Product Bulletin. Prepolymers
|
|
- Scott Jefferson
- 7 years ago
- Views:
Transcription
1 Product Bulletin Prepolymers
2 Krasol Prepolymers Polyurethanes based on hydroxyl terminated polybutadiene resins are known for outstanding hydrolytic stability, very low moisture vapor transmission rates, low temperature flexibility and electric insulation properties. These materials can be extended with asphalt, hydrocarbon oils and effectively loaded and reinforced with fillers. The preparation of polyurethanes is typically classified by the sequence of addition of the reactants (one-step, two-step process) or by the number of components, which the user has to mix together (a one-component or a two-component system). In the one-step (or one-shot) process, the components are mixed together and the resulting mixture is then reacted. In contrast, the two-step process is carried out in two discreet reaction steps. In the first step, the polyol and isocyanate are reacted to form a prepolymer with terminal isocyanate groups. In the second step, the prepolymer is reacted with the chain extender and/or with a crosslinker to form the final product. The two-step synthesis of elastomers from the basic polyurethane components is often employed to reduce the potential exposure to free isocyanate. However, this procedure is time consuming and requires special equipment. It is therefore often simpler to use prepolymers supplied by a manufacturer. Until recently, TDI and MDI prepolymers based on hydroxyl terminated polybutadiene resins that have good storage stability were not readily available. Kaucuk developed hydroxyl terminated polybutadiene resins, Krasol LBH polyols, based on anionic polymerization technology. These products have a very narrow molecular weight distribution with polydispersity indices (Mw/Mn) of about 1.2 and functionalities close to 2. These polybutadiene resins have now been used as the basis for the manufacture of relatively low viscous prepolymers with good storage stability by reaction with toluene diisocyanate (TDI), Krasol LBD prepolymers, or diphenylmethane diisocyanate (MDI), Krasol NN series prepolymers. Sartomer is now the exclusive worldwide distributor of these prepolymers in addition to the remainder of the Krasol product line. The following table summarizes the properties of the primary commercial Krasol prepolymers. Table 1 Typical Properties of Krasol Prepolymers Prepolymer LBD2000 LBD3000 NN-22 NN-23 NN-25 Isocyanate type TDI TDI MDI MDI MDI NCO content, wt % Viscosity, C Free TDI, wt % Paraffin Oil wt % For the preparation of these prepolymers, only a slight excess of TDI is necessary to obtain a product with viscosity below 100,000 mpa.s at 25 C. To achieve the same viscosity with the liquid, modified MDI type isocyanate used here, the NCO/OH ratio must be 3:1 or higher. In the synthesis of polyurethane elastomers based on these prepolymers the stoichiometric ratio of the reacting groups, the NCO of the prepolymer and the OH or NH group of the chain extender and/or crosslinker is a critical factor. Optimum physical properties of the elastomers are obtained with the NCO/OH or NH ratio between 1.0 and 1.1. For best results, chain extenders or crosslinkers that are compatible with the polybutadiene structure of the prepolymer are suggested. Low molecular weight diols such as N, N-diisopropanol amine and 2-ethyl-1,3-hexanediol are recommended. Commonly used diols 1,4-butanediol and diethylene glycol have limited miscibility with the polybutadiene prepolymers. Low molecular weight 2
3 diamines, for example, Lonzacure M-CDEA, can be used to cure polybutadiene-isocyanate prepolymers. Catalysts commonly used with polyurethane systems can also be employed to increase the rate of reaction. For example, the organometallic catalyst dibutyltin dilaurate and the amine catalyst triethylene diamine are often used for this purpose. An important feature of polybutadiene elastomers is the ability to incorporate relatively high amounts of hydrocarbon oils without a substantial deterioration in the mechanical properties of the final product. Elastomers, prepared by the reaction of TDI prepolymer KRASOL LBD 3000, with diamine Lonzacure M-CDEA, were extended with a naphthenic oil, Enerthene 2368, in amounts from 0 to 17 weight percent. The addition of the oil reduces the viscosity of the prepolymer thus improving processability. With increasing amounts of oil essentially no change in mechanical properties is observed. Table 2 Polyurethane elastomers prepared by the reaction of Krasol LBD 3000 and Lonzacure M-CDEA (NCO/NH 2 =1.00) extended with Enerthene 2368 Naphthenic Oil Formulation (parts by weight) Krasol LBD Enerthene Lonzacure M-CDEA Amount of oil in the elastomer (%) Viscosity of the oil extended prepolymer At 25 C (mpa.s) 75,000 46,000 40,000 30,000 21,000 At 40 C (mpa.s) 22,000 12,000 10,500 6,200 6,000 At 80 C (mpa.s) 1,500 1, Processing characteristics Pot life at 80 C (min) Demolding time at 100 C (minutes) Properties of the elastomer Hardness (Shore A) Tensile strength (MPa) ,2 Elongation at break (%) Rebound resilience (%) Abrasion resistance (ARI %) Thermal characteristics a Glass transition temperature ( C) Softening temperature ( C) a dilatometric measurement by thermomechanical analyzer TMA-CX04R (Intertec Ltd., Czech Republic) The hydrolytic and chemical resistance of polybutadiene-urethanes in aqueous media is much higher than that of conventional polyurethanes based on polyesters and polyethers. For example, elastomer samples based on Krasol LBD 3000 as shown in formulation 1 of Table 2 were subjected to a variety of aqueous systems for 28 days including immersion in acid and base. Although the stress-strain properties were affected, the samples retained their integrity. In contrast, a similar polyurethane elastomer based on polytetramethylene glycol (PTMG), under these conditions was completely destroyed after only 3 days. 3
4 Table 3 Resistance of a KRASOL LBD 3000 / Lonzacure M-CDEA elastomer to aqueous media Conditions Change of properties (%) Hardness Shore A Tensile strength Elongation at break Volume Water vapor, 100 C, 28 days % sulfuric acid, 23 C, 28 days % nitric acid, 23 C, 28 days % sodium hydroxide, 23 C, 28 days It is also possible to modify polyurethane elastomers based on Krasol with various types of asphalt and a large selection of solid fillers such as calcium carbonate, clay, carbon black, silica, etc. Such modification provides the user with a wide range of possible formulations for sealants, potting compounds, coatings, mastics and adhesives. As previously mentioned, one distinct advantage of using prepolymers in the preparation of polyurethane elastomers is the reduction in the potential exposure to free isocyanates. Some differences in the physical properties of the polyurethanes prepared by a one-step versus a two-step process are often observed. One-step polyurethanes are typically softer in comparison with two-step products and have lower tensile strength and higher elongation at break. Table 4 Elastomers based on Krasol NN-22 or Krasol NN-23 prepolymer and Krasol LBH 3000 and glycerol as curatives Formulation (parts by weight) Part A Krasol LBH Glycerol ,4-Butanediol Asphalt AP Paraffinic oil Part B Krasol NN Krasol NN Mixing ratio A/B DBTL 1% in paraffinic oil, g/100g of prepolprepolymer Processing characteristics Pot life at 23 C (min.) Demold time at 23 C (hours) Elastomer properties Hardness (Shore A) Tensile Strength (MPa) Elongation at break (%) Rebound resilience (%) Abrasion resistance (ARI%) Glass trans temp. ( C) Softening temp. ( C) Compression set 72h/25 C (%) Volume resistivity (Ω.m) Surface resistivity (Ω)
5 The Krasol prepolymers based on liquid MDI can be used as high quality binders for the production of composite materials from ground rubber scrap, polyurethane foam and cork. Crosslinking of these one-component polyurethane binders by ambient moisture may occur at normal or elevated temperature. The mode of curing affects the final properties of the composite material. The processing characteristics can be adjusted by the addition of the catalyst. Depending on the nature and particulate size of the ground material, it is possible to obtain a large number of products for varied applications. The binder content is usually weight percent depending on the ground material and the application of the final product. Polybutadiene-urethane binders based on these prepolymers exhibit outstanding adhesion to the ground cured rubber material and other nonpolar materials. Composite materials prepared using these binders have excellent physical and mechanical properties, good elasticity at low temperatures and outstanding resistance to aqueous environments. However, they exhibit lower resistance to solvents, oils, gasoline and diesel oil. In contact with these materials the binder itself swells but after evaporation of the liquid the composite regains its original properties. These polybutadiene prepolymer binders contain an aromatic diisocyanate. As a result, they tend to turn yellow and degrade when exposed to UV radiation. However, this degradation of the composite materials is only on the surface and therefore does not affect the physical and mechanical properties and utility of the product. If necessary, the products from composite materials can be coated with protective layers or coatings. Additional information on the use of these prepolymers as binders for the production of composite materials is contained in a separate bulletin. One-component polyurethane coatings are used in a great variety of applications, such as for protection of steel structures and poles against corrosion. Binders for these coatings are isocyanate prepolymers based on the reaction of a polyol with an aromatic or an aliphatic diisocyanate. The Krasol NN-22 prepolymer offers exceptional properties as a special polyurethane binder for coatings. These polyurethane/polyurea coatings exhibit very good resistance to water and aqueous solutions of acids, bases and salts. However, materials prepared from the prepolymer based on MDI exhibit a low resistance to UV radiation. Therefore these prepolymers are predominantly recommended for base anticorrosion coatings. Additional information on the use of these prepolymers in coatings is contained in a separate bulletin. 5
6 Corporate Headquarters Cray Valley USA, LLC 468 Thomas Jones Way, Suite 100 Exton, PA Tel: 877-US1-CRAY ( ) For contact information worldwide, please refer to Cray Valley's web site at: /10 The information in this bulletin is believed to be accurate, but all recommendations are made without warranty since the conditions of use are beyond Cray Valley Company's control. The listed properties are illustrative only, and not product specifications. Cray Valley Company disclaims any liability in connection with the use of the information, and does not warrant against infringement by reason of the use of its products in combination with other material or in any process.
Polyurethane Elastomers Derived from Krasols and Hydrogenated Krasols and Their Weathering and Thermal Aging Properties
Polyurethane Elastomers Derived from Krasols and Hydrogenated Krasols and Their Weathering and Thermal Aging Properties By H. Chao*, J. Pytela, and N. Tian* Cray Valley USA, LLC Exton, Pennsylvania USA
More informationAPPLICATION BULLETIN
APPLICATION BULLETIN Compatibility Between Poly bd R45HTLO and Polyether or Polyester Polyols Introduction Poly bd resin polyols are liquid, hydroxyterminated homopolymers of butadiene. Through the use
More informationAPPLICATION BULLETIN
APPLICATION BULLETIN Poly bd Resins Hydroxyl Terminated Polybutadiene Resins Starting formulations Poly bd R-45HTLO Resin s 1. Poly bd R-45HTLO Control Isonate 143L 2. Poly bd R-45HTLO/Voranol 220-530
More informationSnapCure TM 1010. Physical and Chemical Properties. Titanium content (wt%): 7.7
SnapCure TM 1010 SnapCure TM 1010 (Stock# H30611) is a reactive, proprietary titanium chelate with less than 10% alcohol (propanol) solvent. It is sensitive to moisture. The catalyst is soluble in most
More informationNew Advances in Polymeric MDI Variants
New Advances in Polymeric MDI Variants Thorsten Gurke Application and Product Development Manager - Adhesives Huntsman Polyurethanes Everslaan 45 B3078 Everberg, Belgium Tel. +32 2 758 9298 thorsten_gurke@huntsman.com
More informationHydroxyl-Terminated Poly bd Resins In Electric Applications
Hydroxyl-Terminated Poly bd Resins In Electric Applications Cray Valley USA, LLC Oaklands Corporate Center 468 Thomas Jones Way, Suite 100 Exton, PA 19341 877-US1-CRAY (877-871-2729) Web: www.crayvalley.com
More informationTaking Quality and Performance to the Next Level
Polyurethanes Asia Pacific Taking Quality and Performance to the Next Level Sustainable Solutions for Coatings, Adhesives, Sealants and Elastomers Supplying a multitude of products for measurable results
More informationEpoxy Curing Agents and Modifiers
Epoxy Curing Agents and Modifiers Ancamine 2432 Curing Agent Technical Datasheet DESCRIPTION is a modified aliphatic amine intended for use with liquid epoxy resins. imparts very rapid development of physical
More informationCapa Polyols. For excellent properties in crosslinked coatings. European Coating SHOW 2013 Nürnberg Pär Jörgensen Specialist
Capa Polyols For excellent properties in crosslinked coatings European Coating SHOW 2013 Nürnberg Pär Jörgensen Specialist Outline Introduction of Perstorp Introduction of Caprolactones (Capa ) Use of
More informationK-KAT Guide to Tin-Free Catalysts For Urethane Coatings
SPECIALTY CHEMICALS K-KAT Guide to Tin-Free Catalysts For Urethane Coatings K-KAT catalysts are metal compounds designed for accelerating the crosslinking reaction of isocyanates with polyols. In addition
More informationRadiation Curable Components and Their use in Hard, Scratch Resistant Coating Applications
Radiation Curable Components and Their use in Hard, Scratch Resistant Coating Applications William Schaeffer Steven Tyson Indu Vappala Robert Kensicki Sartomer USA, LLC 502 Thomas Jones Way Exton, PA 19343
More informationAutomotive Base Oil Presentation
Automotive Base Oil Presentation What is a Base Oil? The refined petroleum mineral or synthetic material that is produced by a refinery to a required set of specifications. A lubricant s quality can depend
More informationTiangang TM BW-10LD (622)
Tiangang TM BW-10LD Oligomeric Hindered Amine Light Stabilizer (HALS) Poly-(N-β-hydroxyethyl-2,2,6,6-tetramethyl-4-hydroxy-piperidyl-succinate) CAS number 65447-77-0 BW-10LD BW-10LD is a highly effective
More informationPlastics and Polymer Business. Properties enhancement for Plastics
News Letter Vol. 18, issue October-December, 2012 Hyperdispersants and Coupling Agents for Thermoplastics and Thermosets Solplus, Ircolplus and Solsperse hyperdispersants and coupling agents have been
More informationTHE EFFECTS OF RETORT CONDITIONS ON CLEAR HIGH BARRIER LAMINATED STRUCTURES
THE EFFECTS OF RETORT CONDITIONS ON CLEAR HIGH BARRIER LAMINATED STRUCTURES Thomas R. Mueller Rohm and Haas Company ABSTRACT Retort packaging is rapidly developing as a flexible alternative to cans. The
More informationEpoxy Curing Agents and Modifiers
Epoxy Curing Agents and Modifiers 2489 Curing Agent DESCRIPTION 2489 curing agent is a low-color cycloaliphatic amine adduct intended for use with liquid epoxy resins. It has a very low viscosity which
More informationEPOXY RESINS. Product Overview Guide NORTH AMERICA
EPOXY RESINS Product Overview Guide NORTH AMERICA Expanding Opportunities for Performance and Differentiation Epoxy technology is a fundamental building block for innovation across broad and diverse industries
More informationAraldite GY 6010 A Medium Viscosity, Unmodified Liquid Epoxy Resin
Advanced Materials DATA SHEET Araldite GY 6010 A Medium Viscosity, Unmodified Liquid Epoxy Resin General Chemical Description Araldite GY 6010 is a general purpose unmodified liquid epoxy resin applied
More informationDerakane epoxy vinyl ester resins: The Evolution of Corrosion Resistant FRP
A Brief History on Corrosion Derakane epoxy vinyl ester resins: The Evolution of Corrosion Resistant FRP Corrosion in industrial processes has always threatened pipes, ducting, process equipment, scrubbers
More informationPolyurea spray coatings
Polyurea spray coatings The technology and latest developments Marc Broekaert Application and Product Development Manager - Coatings Huntsman Polyurethanes Everslaan 45 B3078 Everberg, Belgium Tel. +32
More informationUNITED STATES PATENT AND TRADEMARK OFFICE BEFORE THE BOARD OF PATENT APPEALS AND INTERFERENCES
UNITED STATES PATENT AND TRADEMARK OFFICE BEFORE THE BOARD OF PATENT APPEALS AND INTERFERENCES Ex parte BRUCE D. LAWREY, ROBERT F. REBELLO, ROGER DALE LANE and W. BRENT SMITH Appeal 2009-002289 Technology
More informationUrethane Surface Coatings Blocked Isocyanates
Urethane Surface Coatings Blocked Isocyanates Urethane Surface Coatings Blocked Isocyanates Our Company, a Chemtura Company, is a world leader in polyurethane technology, with an excellent reputation for
More informationTechnical Data Sheet February 2014
Scotch-Weld Technical Data Sheet February 2014 Product Description s are high performance, two-part acrylic adhesives that offer excellent shear, peel, and impact performance. These toughened products
More informationHigh Performance Coating Systems THIOKOL. P r i m a r y a n d S e c o n d a r y C o n t a i n m e n t
THIOKOL High Performance Coating Systems FNEC 2515 RLP 2378+ P r i m a r y a n d S e c o n d a r y C o n t a i n m e n t The name THIOKOL has long been synonymous with elastomeric polysulfide based coatings
More informationWaterproofing System for Wastewater Tanks in Petrochemical Industries and Refineries
Waterproofing System for Wastewater Tanks in Petrochemical Industries and Refineries Introduction Wastewater of petrochemical industries and refineries contains high amounts of emulsified aliphatic or
More informationBasic Properties and Application of Auto Enamels
Basic Properties and Application of Auto Enamels Composition of Ceramic Automotive Glass Enamels Ceramic automotive glass colours are glass enamels that fire on to the glass during the bending process
More informationWater-based Polyurethane and Acrylate Dispersions. for Flexible Substrates
Water-based Polyurethane and Acrylate Dispersions for Flexible Substrates Exemption clause: The aforesaid information is based on our present state of knowledge and shall inform on our products and their
More informationScotch-Weld TM. Acrylic Adhesives. DP8405NS Green. Product Data Sheet. Date: March 2014 Supersedes: August 2013
Scotch-Weld TM Product Data Sheet Acrylic Adhesives Date: Supersedes: August 2013 Product Description 3M TM Scotch-Weld Acrylic Adhesives are high performance, twopart acrylic adhesives that offer good
More informationTAN Triaminononane H 2 N NH 2. (4 aminomethyl 1,8 octanediamine) Trifunctional amine with low molecular weight CAS NO. 1572-55-0
TA Triaminononane (4 aminomethyl 1,8 octanediamine) Trifunctional amine with low molecular weight AS. 1572-55-0 Triaminononane (TA) is a low molecular weight specialty performance material with three amine
More informationDOWEX Resins as Organic Solvent Desiccants
Product Information DOWEX Resins as Organic Solvent Desiccants DOWEX* ion exchange resins can be used as desiccants for organic solvents, after having been dried to a low moisture level, in a manner similar
More informationPRODUCT DATA SHEET DESCRIPTION:
DESCRIPTION: SP-9888 Pipe Lining is based on the latest Zero VOC Novolac Technology. The product cures to a highly cross-linked coating with excellent chemical, solvent and water immersion resistance.
More informationClosing the loop: Rubber Recycling. Joint seminar Kumi-instituutti instituutti & MOL
Closing the loop: 1 Rubber Recycling Joint seminar Kumi-instituutti instituutti & MOL Contents 2 - Introduction - Present: Rubber crumb Surface activated rubber crumb Reclaim / devulcanizate - Future Introduction
More informationUrethane Prepolymers Polyols - Additives
Urethane Prepolymers Polyols - Additives Urethane Prepolymers Polyols - Additives Our Company, a Chemtura Company, is a world leader in polyurethane technology, with an excellent reputation for innovation
More informationAraldite AV 170. Advanced Materials. One component epoxy adhesive. Structural Adhesives. Key properties. Description. Product data.
Advanced Materials Araldite AV 170 Structural Adhesives Araldite AV 170 One component epoxy adhesive Key properties Cures at 140-180 C Heat resistant to 120 C Very good peel strength Good chemical resistance
More informationComparisons of Epoxy Technology for Protective Coatings and Linings in Wastewater Facilities
Comparisons of Epoxy Technology for Protective Coatings and Linings in Wastewater Facilities By John D. Durig, General Polymers, Cincinnati, Ohio, USA Editor s Note: This article was first presented at
More informationMONOETHYLENE GLYCOL (MEG) (Monoethylene Glycol / MEG)
MONOETHYLENE GLYCOL (MEG) (Monoethylene Glycol / MEG) Monoethylene glycol (MEG) in its pure form, it is an odorless, colorless, syrupy liquid with a sweet taste. Ethylene Glycol: HOCH 2CH 2OH CAS Registry
More informationOSP-New Group V Base Fluid for Manufacture of Sulfonate Greases
OSP-New Group V Base Fluid for Manufacture of Sulfonate Greases Dr. Govind Khemchandani The Dow Chemical Company Perry Byrd Mid-South Sales, Inc NLGI s 81STAnnual Meeting, Palm Beach Gardens, Florida,
More informationSIGMACOVER 300. PRODUCT DATA SHEET December 12, 2014 (Revision of November 1, 2013) DESCRIPTION
DESCRIPTION Two-component, high-build, polyamine adduct-cured, coal tar epoxy coating PRINCIPAL CHARACTERISTICS Outstanding (sea)water resistance (outside hull and ballast tanks) Outstanding water- and
More informationVULCOFAC TAIC-70 O N O . N CAS : 1025 15 6. N EINECS : 213 834 7. . Main function :. Crosslinking agent for peroxide cure elastomers
- Composition :. Active ingredient :. Triallyl isocyanurate. Formula : ( C12 H15 N3 O3 ) O N O N N O. N CAS : 1025 15 6. N EINECS : 213 834 7 - Supplier :. Origin : Safic-Alcan UK. Availability : regularly
More informationACUSOL 820 Rheology Modifier and Stabilizer
ACUSOL 820 Rheology Modifier and Stabilizer Description ACUSOL 820 is a Hydrophobically modified Alkali Soluble acrylic polymer Emulsion (HASE) with unusually high aqueous thickening and stabilising efficiency.
More informationScotch-Weld TM. Epoxy Adhesive 1838 B/A Green 1838 B/A Tan 1838-L B/A Translucent. Technical Data February, 2016. Product Description
3 Scotch-Weld TM 1838 1838 1838-L Technical Data February, 2016 Description 3M TM Scotch-Weld TM s 1838 and are controlled flow products; Scotch-Weld 1838-L is flowable. These epoxy adhesives are two-part,
More information3 Single-Coated Foam Tapes
3 Single-Coated Foam Tapes Technical Data May, 2008 Product Description 3M Single-Coated Foam Tapes will adhere to a variety of substrates, including latex-painted wood, lacquered wood, enameled steel,
More informationChapter 5 Classification of Organic Compounds by Solubility
Chapter 5 Classification of Organic Compounds by Solubility Deductions based upon interpretation of simple solubility tests can be extremely useful in organic structure determination. Both solubility and
More informationCREATING TOMORROW S SOLUTIONS
CREATING TOMORROW S SOLUTIONS Construction I Hybrid polymers WaterProofing starts here: α-hybrids for Liquid membranes Moisture damage in buildings is fairly common, even in advanced economies. In 2008,
More informationPhysical & Chemical Properties. Properties
Physical & Chemical Properties Properties Carbon black can be broadly defined as very fine particulate aggregates of carbon possessing an amorphous quasi-graphitic molecular structure. The most significant
More information3M Bumpon Protective Products Molded Shapes - Colored and Clear Series SJ5000 SJ5300 SJ5400 SJ5500 SJ5700 SJ6100
Technical Data July 2015 3M Bumpon Protective Products Molded Shapes - Colored and Clear Series SJ5000 SJ5300 SJ5400 SJ5500 SJ5700 SJ6100 Product Description 3M Bumpon Protective Products Molded Shapes
More informationCEO Statement. Mission
These are challenging and exiting times... CEO Statement These are challenging and exciting times in the Kingdom of Saudi Arabia as we move away from an oil-dependent economy to a fully diversified industrial
More informationPRETREATMENT TECHNICAL DATA SHEET WATER EMULSIFIABLE RUST PREVENTATIVE PRODUCT DESCRIPTION
INDUSTRIAL COATINGS RA260 WATER EMULSIFIABLE RUST PREVENTATIVE PRODUCT DESCRIPTION is water emulsifiable rust preventative oil, which provides outstanding corrosion protection for all phosphate metals.
More informationLight metal corrosion protection with water-borne silane systems
Platzhalter Titelbild Light metal corrosion protection with water-borne silane systems Dr. Philipp Albert 14.06.2011 Agenda 1. lanes, hydrolysis and condensation, sol-gel process 2. Water-borne sol-gel
More informationProduct Sheet. Silicone Adhesive Sealants. RTV Silicone Adhesive Sealants
Product Sheet Silicone Adhesive Sealants Adhesives come in a wide array of chemistries each having its specialist properties and applications. In this context silicones are often referred to as sealants
More information3 Scotch-Weld TM. Urethane Adhesives 3532 B/A 3535 B/A 3549 B/A. Technical Data January, 2010
3 Scotch-Weld TM Technical Data January, 2010 Product Description 3M Scotch-Weld 3532 B/A, 3535 B/A and 3549 B/A are two-component, polyurethane adhesives which cure at room temperature or with heat to
More informationCopyright 2010 Pearson Education, Inc. Chapter Fourteen 1
An alcohol has an OH bonded to an alkyl group; a phenol has an OH bonded directly to an aromatic ring; and an ether has an O bonded to two organic groups. Chapter Fourteen 1 Ethyl alcohol, dimethyl ether,
More informationCharacteristics of New Oil Soluble Polyalkylene Glycols
Characteristics of New il Soluble Polyalkylene Glycols Dr. Govind Khemchandani The Dow chemical Company SP STLE HUSTN CHAPTER FEBURARY 9, 2011 gvkhemchandani@dow.com Tel: 1-979-238-4045 Introduction New
More informationThis presentation is courtesy of
This presentation is courtesy of Advances in Flexible Packaging Adhesives CPP Expo Presentation September, 2005 Nancy Smith Agenda Basic types/ functions of adhesives used in flexible packaging Laminating
More informationBenefits of Thermax N990 in EPDM Compounds
TECHNICAL BULLETIN EPDM Compounds Thermax medium thermal carbon black N990 is manufactured by the thermal decomposition of natural gas. The thermal process provides a unique carbon black characterized
More informationConstruction. 3-part thixotropic epoxy patching mortar. Product Description. Tests
Product Data Sheet Edition 05/12/2014 Identification no: 020204030010000044 Sikadur -41 CF Rapid 3-part thixotropic epoxy patching mortar Construction Product Description Uses Characteristics / Advantages
More informationYour specialist for PUR. recycling, blending, storing
Your specialist for PUR recycling, blending, storing The company H&S Anlagentechnik develops equipment and processing technologies for the efficient, flexible, reliable and environmentally friendly storage,
More informationBlack epoxy paste adhesive system
Advanced Materials Araldite 2031 Structural Adhesives Araldite 2031 Black epoxy paste adhesive system Key properties Thixotropic non slumping Toughened adhesive, resilient bond Suitable for metal and composite
More informationRTV162. Electronic Grade Silicone Adhesive Sealant
RTV162 Product Description Electronic Grade Silicone Adhesive Sealant RTV162 adhesive sealant from GE Silicones is one-component, readyto-use electronic grade silicone sealant. It cures to a tough, resilient
More informationENVIRONMENTAL EFFECTS ON COATINGS
ENVIRONMENTAL EFFECTS ON COATINGS Surfaces exposed to the environment, may be damaged by elements such as water, snow, ice, heat, dirt, smog, humidity, brake dust, grime, salts, chemical attack, and acid
More informationNew Developments in Adhesive Resins for Oriented Barrier // PP Film Applications. Development Center Materials Lab.
New Developments in Adhesive Resins for Oriented Barrier // PP Film Applications Development Center Materials Lab. HIROTAKA UOSAKI Contents 1. Characteristics of Adhesive Resins 2. New Developments in
More information# 12 Condensation Polymerization: Preparation of Two Types of Polyesters
# 12 Condensation Polymerization: Preparation of Two Types of Polyesters Submitted by: Arturo Contreras, Visiting Scholar, Center for Chemical Education, Miami University, Middletown, OH; 1996 1997. I.
More information3.3 Monomers and oligomers
46 Raw materials water-borne UV curable formulations are gaining importance since a few years: the photoinitiator industry correspondingly developed dispersions of acylphosphine oxide well incorporable
More informationInspired By Challenge. Technical information polymer characteristics
Inspired By Challenge Technical information polymer characteristics Technical Information Seat materials - overview Habonim s extensive field experience, which lets us design valves that meet the diverse
More informationIn addition, the associated but indirect activities involve more than 71,000 companies employing about 2,040,000 people.
INDUSTRY DATA Socio- Economic Information on the European Polyurethanes INTRODUCTION This publication summarises the value of the polyurethanes industry, based on aromatic diisocyanates and associated
More informationCHAPTER 7 THE DEHYDRATION AND SWEETENING OF NATURAL GAS
CHAPTER 7 THE DEHYDRATION AND SWEETENING OF NATURAL GAS Natural gases either from natural production or storage reservoirs contain water, which condense and form solid gas hydrates to block pipeline flow
More informationCARBOWAX Polyethylene Glycols Innovation, Performance, Flexibility and Quality from the Global Leader in PEGs
CARBOWAX Polyethylene Glycols Innovation, Performance, Fleibility and Quality from the Global Leader in PEGs CARBOWAX PEGs and MPEGs Improving Formulations and Processes for More than 70 Years Polyethylene
More informationTAIYO PSR-4000 AUS703
TAIYO PSR-4000 AUS703 LIQUID PHOTOIMAGEABLE SOLDER MASK Designed for Flip Chip Packaging Applications Halogen-Free (300ppm) Excellent Thermal and Crack Resistance Low Water Absorption RoHS Compliant Excellent
More informationFLAME RETARDANT USAGE AND OTHER FACTORS AFFECTING BURN CHARACTERISTICS OF POLYURETHANE RIGID FOAMS
Blowing Agents & Foaming Processes 2014 13-14 May 2014 Vienna, Austria FLAME RETARDANT USAGE AND OTHER FACTORS AFFECTING BURN CHARACTERISTICS OF POLYURETHANE RIGID FOAMS David Modray Foam Supplies, Inc.
More informationWire Drawing Soap Lubrication: Principles And Factors Affecting Selection
Wire Drawing Soap Lubrication: Principles And Factors Affecting Selection 1 Wire Products 2 Rod: The Starting Material 3 The tool: Wire Drawing machines Dry Draw Bench Courtesy of Lamnea Bruk, Ljusfallshammar,
More informationThe Advantages & Challenges of Phase Change Materials (PCMs) In Thermal Packaging. Author Richard M. Formato, R&D Manager Cold Chain Technologies
The Advantages & Challenges of Phase Change Materials (PCMs) In Thermal Packaging Author Richard M. Formato, R&D Manager Cold Chain Technologies OVERVIEW Cold Chain Technologies, Inc. (CCT) designs and
More informationAdvantages and Disadvantages of Low VOC Vegetable Based Metalworking Fluids
Advantages and Disadvantages of Low VOC Vegetable Based Metalworking Fluids John Burke, CMFS STLE Fellow Global Director of Engineering Services Alan Cross, Senior Project Engineer Houghton International
More informationAdhesive Bonding of Natural Stone
Adhesive Bonding of Natural Stone Section I: Basics of Stone Adhesion Adhesive Theory There are many theories concerning the forces that are at work in forming an adhesive bond between two (2) different
More informationDouble Coated Urethane Foam Tapes
3 Double Coated Urethane Foam Tapes 4004 4008 4016 4026 4032 4052 4056 4085 Technical Data April, 2009 Product Description 3M Double Coated Urethane Foam Tapes are conformable foams that offer high shear
More informationHandling Corrosive or Abrasive Liquids
Handling Corrosive or Abrasive Liquids Defining abrasion and corrosion An abrasive liquid is one that has particles in it. Some, like inks, have very fine particles, while others, like some paints, contain
More informationRigid Panel Foams with Unique Properties from CO 2 -based Polyols
Rigid Panel Foams with Unique Properties from CO 2 -based Polyols Anna Cherian, Chris Fordice, Kimberly Jaskula, Mike Nagridge, Simon Waddington, Wayne Willkomm UTECH North America June 2014 Charlotte,
More information3 Scotch-Weld TM. Urethane Adhesives 3532 B/A 3535 B/A 3549 B/A. Technical Data March, 2002
3 Scotch-Weld TM Technical Data March, 2002 Product Description 3M TM Scotch-Weld TM 3532 B/A, 3535 B/A and 3549 B/A are two-component, polyurethane adhesives which cure at room temperature or with heat
More information3M Ionic Liquid Antistat FC-4400
Technical Data September 14 3M Ionic Liquid Antistat FC-40 Introduction 3M Ionic Liquid Antistat FC-40 is a high purity antistatic additive compatible with a variety of high performance polymer systems,
More informationSILICONE PRODUCTS FOR THE ELECTRONICS INDUSTRY CREATING TOMORROW S SOLUTIONS
SILICONE PRODUCTS FOR THE ELECTRONICS INDUSTRY CREATING TOMORROW S SOLUTIONS BONDING, SEALING, COATING, ENCAPSULATION: PROCESSES IN THE ELECTRONICS INDUSTRY BOLTING, SOLDERING, RIVETING: WHY NOT JUST BOND?
More informationPolymer Laboratory: Teaching Polymer Chemistry
Polymer Laboratory: Teaching Polymer Chemistry O. Ferreira 1, P.M. Plasencia 2, M.J. Afonso 2, A. Silva 3 and M.F. Barreiro 1 1 Polytechnic Institute of Bragança and Laboratory of Separation and Reaction
More informationTwo component epoxy paste adhesive
Advanced Materials Araldite 2015 Structural Adhesives TECHNICAL DATA SHEET Araldite 2015 Two component epoxy paste adhesive Key properties Toughened paste Ideal for bonding GRP, SMC and dissimilar substrates
More informationTemperature C 10 15 23 40. Cure time to reach hours - - - - LSS > 1MPa minutes 20 12 8 2
Advanced Materials Araldite 2021 Structural Adhesives TECHNICAL DATA SHEET Araldite 2021 Two component toughened methacrylate adhesive system Key properties Rapid curing High peel strength Multi purpose
More informationIntroduction: Background of the OIT Test:
The Effect of Hindered Phenol Stabilizers on Oxygen Induction Time (OIT) Measurements, and The Use of OIT Measurements to Predict Long Term Thermal Stability Philip Jacoby, Vice President of Technology,
More informationSilane Coupling Agents
Silane Coupling Agents Table of Contents Introduction 2-4 Characteristics 5 Amino Functional Silane Coupling Agents 6 Epoxy Functional Silane Coupling Agents 6 Vinyl Functional Silane Coupling Agents 7
More informationRTV159. RTV157 and RTV159 High Strength Silicone Adhesive Sealants
RTV159 RTV157 and RTV159 High Strength Silicone Adhesive Sealants Product Description RTV157 and RTV159 are one-component, ready-to-use, high strength silicone rubber adhesive sealants. They cure to tough
More informationAdvanced Materials. From design to parts manufacturing. Tooling solutions selector guide
Advanced Materials From design to parts manufacturing Tooling solutions selector guide Rely on us with confidence A global partner As a global partner and innovator working in close collaboration with
More informationROVACE HP-2931 High Performance Vinyl Acetate/Acrylic Copolymer Emulsion
ROVACE HP-2931 High Performance Vinyl Acetate/Acrylic Copolymer Emulsion Description ROVACE HP-2931, vinyl acetate acrylic copolymer emulsion, is designed for use in formulation high performance adhesives
More information3 Scotch-Weld TM. Structural Adhesive Films AF 6 AF 10 AF 13. Technical Data July, 2001
3 Scotch-Weld TM Technical Data July, 2001 Introduction 3M Scotch-Weld AF 6, AF 10, AF 13 are unsupported, thermosetting adhesives in film form developed for the structural bonding of metals. These products
More informationFinding the Most Suitable Chemical Resistant Gloves for the Application
Finding the Most Suitable Chemical Resistant Gloves for the Application By Nelson Schlatter Technical Applications Chemist, Ansell Workers in the chemical processing and handling industry could certainly
More informationOMG Borchers. Driers and Catalysts. Cobalt Replacement Driers Catalysts
OMG Borchers Driers and Catalysts Cobalt Replacement Driers Catalysts COBALT REPLACEMENT OMG Borchers Product Borchi OXY Metal content [%] / Metal Description / Solvent Borchi OXY - Coat is Borchers patented
More informationDispersions for the adhesive industry Innovative raw materials for numerous applications
Dispersions for the adhesive industry Innovative raw materials for numerous applications Not all are the same! These days, almost all industries are dependent on innovative adhesive technologies. Modern
More informationHow To Make A Hot Melt Adhesive
Types of Bonding Physically hardening adhesives 2 2 Drying Adhesives They are made of polymers dissolved in solvent (Polychloroprene, Polyurethane) or dispersed in water (white glue based on PVA (Polyvinyl
More informationAraldite LY 3505* / Hardeners XB 3403* / Hardener XB 3404-1* / Aradur 3405*
Advanced Materials Araldite * / Hardeners * / Hardener * / Aradur 3405* WARM CURING EPOXY SYSTEMS Araldite is an epoxy resin Hardeners, and Aradur 3405 are based on aliphatic polyamines APPLICATIONS PROPERTIES
More informationSIGMAFAST 210. PRODUCT DATA SHEET December 12, 2014 (Revision of April 1, 2013) DESCRIPTION
DESCRIPTION Two-component, high-build zinc phosphate polyurethane primer/finish PRINCIPAL CHARACTERISTICS Specially designed for in-shop application Fast-curing Easy application by airless spray Unlimited
More informationCOMPARING STRENGTH PROPERTIES OF NATURAL AND SYNTHETIC RUBBER MIXTURES
COMPARING STRENGTH PROPERTIES OF NATURAL AND SYNTHETIC RUBBER MIXTURES T. Renner, L. Pék Institute for Mechanical Engineering Technology, Faculty of Mechanical Engineering, www.geti.gek.szie.hu Abstract:
More informationTechnical Bulletin 1301. Talc in Plastics
Technical Bulletin 131 Talc in Plastics Contents Introduction Benefits of Talc in Polypropylene Compounds 1. Stiffness (E-Modulus) 2. Thermal Conductivity 3. Nucleation 4. Impact Strength 5. Deflection
More information07 21 19 Guide Specification STAYFLEX CORROSION CONTROL AND THERMAL INSULATION SYSTEM
07 21 19 STAYFLEX CORROSION CONTROL AND THERMAL INSULATION SYSTEM 7819 Broadview Road Cleveland, OH 44131 800-522-4522 February, 2011 SPEC NOTE: This guide specification is intended for use when specifying
More informationB05: Cable protection and sheathing
SHEATHING MATERIALS MDPE, BLACK This is the standard sheathing material for cables for outdoor use. The material is UV stabilised with using 2.5 ± 0.5 % carbon black. It has excellent weathering resistance.
More informationSTYRENIC BLOCK COPOLYMERS IN ADHESIVES FOR CO-EXTRUDED FILMS
STYRENIC BLOCK COPOLYMERS IN ADHESIVES FOR CO-EXTRUDED FILMS M. Dupont, Research Chemist, Kraton Polymers Belgium, Mont St Guibert, Belgium D. St. Clair, Research Chemist, Kraton Polymers U.S. LLC, Houston,
More informationColorado State University. Durrell Center Roof Repair
Colorado State University Durrell Center Roof Repair SPECIFICATION: POLYURETHANE FOAM ROOFING l.0 GENERAL REQUIREMENTS The successful application of a polyurethane foam roofing system is dependent upon
More information