1 2015 IPN IWNEST LANGKAWI LANGKAWI, MALAYSIA JUNE 5-6, 2015
2 Welcome to IPN-IWNEST 2015 Conferences Langkawi Dear Professor, Dr and distinguished delegates, Welcome to the IPN - IWNEST 2015 Conferences in Langkawi, Malaysia. On behalf of International Postgraduate Network (IPN.org) and IWNEST, I would like to thank all the Conference Chair, Program Chairs and the Technical Committees. Their high competence and professional advice enable us to prepare the high-quality program. For the participants, we hope all of you have a wonderful time at the conference and also in Langkawi, Malaysia. We believe that by this excellent conference, you can get more opportunity for further communication with researchers and practitioners. For the conferences of ICPRC, ICSM, ICOHS & ICLG than 50 submitted papers have been received and 40 papers have been accepted and published finally. In order to hold more professional and significant international conferences, your suggestions are warmly welcomed. And we are looking forward to meet you again next time. Best Regards, Thank you. Yours Sincerely, Datin MZ Zainab Director Conference Management IPN.org Chairman, IPN IWNEST 2015 Conferences, Langkawi
3 Message from IWNEST President On behalf the IWNEST publications team, it is my privilege to welcome you to the IPN - IWNEST 2015 Conferences Langkawi. IWNEST is an independent, non-political, nongovernmental organization of distinguished scientists dedicated to advancing science around the world. We aim to help scientists and researchers to publish their findings in our scientific journals and to promote and help to organize worldwide conferences. We believe that has no boundaries, regardless of the great distances between countries and continents. Thus IWNEST welcomes contributions from researchers from all concern irrespective to the race, colour, religion and nationality. Best Regards Prof. Dr. Abdel Rahman Mohammad Said Al Tawaha Founder President Honorary Advisor IPN IWNEST 2015 Conferences, Langkawi
4 About International Postgraduate Network (IPN.org) The International Postgraduate Network (IPN.org) is a non-profit international association dedicated to the promotion of international education and university cooperation in the field of Business, Art, Social Science, Management, Education, Science, Technology, Engineering and any other related field. Through the organization of different international events, it brings together institutions, bodies and organizations from different countries of the world for discussion and cooperation IPN.org Mission is to promote and enhance the dialogue in education among the institutions devoted to field mentioned above through: Promotion of best practice standards in the service of international education. The facilitation of relevant forums, training and information exchange. Creation and dissemination of knowledge; exert an influence in public policy. Production of publications used as a database document for research works, projects and innovation activities held on the international education field. IPN.org believes that this is best achieved through international cooperation and promotes the development of closer links among relevant institutions and individuals around the world.ipn.org supports that such international cooperation can help countries learn from each other and promotes the dissemination of scientific and engineering activities. IPN.org intends to achieve the mentioned objectives and get an international visibility by the organization of international conferences and by interacting with public and private organisms from all parts of the world.
5 Announcement Australian Journal of Basic and applied Sciences (ISI /Thomson Reuters Journal) (ISSN ) (abstract and indexing by ISI/Thomson Reuters, Ulrich periodicals, Ebscohost, Cabi International and DOAJ) or Advances in Environmental Biology (ISI/THOMSON REUTERS) (online issue ISSN ) (abstract and indexing by ISI/Thomson Reuters,, Ulrich periodicals, Ebscohost, Cabi International and DOAJ) or Journal of Applied Science Research (online issue ISSN X) Google Scholar, Ulrich Periodicals, EBSCO HOST, CSA, CAB Abstract, U.K., DOAJ, ISC or Research Journal of Social Sciences (online issue ISSN ) (abstract and indexing by Google Scholar, Ulrich, EBSCO HOST, DOAJ One excellent presentation will be selected from each session and the author of excellent presentation will be awarded the certificate.
6 Keynote Speakers Keynote Speaker 1: Dr. Syd Gilani Dubai Maritime Authority Biography: Dr. Syd Gilani is a recipient of the British High Commissioner s Award. He holds a Ph.D. in Management from Edith Cowan University, Australia and an MBA in Corporate Planning & Advanced Financial Management from Bradford University, UK. He has extensive experiences in the areas of strategy development and implementation, having held roles as Chief Strategist and Director of Strategy in MNCs internationally. He has also been COO and Group CEO of several conglomerates, having experience in development, implementation and improvement of systems on a large and extremely profitable scale. Dr. Gilani drives corporate culture to ensure that strategy, performance and results are prioritised whilst implementing structures for governance, growth and performance management. He steers vision and mission, restructuring core systems and accomplishing quick and comprehensive turnarounds. He is skilled with takeovers, international ventures, alliances between corporations and governments, subsidiary management and new opportunity development. Dr. Gilani brings together strategic rationale with financial reasoning to ensure best policies. For the higher education sector, Dr. Gilani has developed the Bachelor of Applied Business Studies (BABS) in New Zealand, a degree accredited by the New Zealand Qualifications Authority and still in use to this day. He has also been the Deputy Dean of Business at the University of Dubai where he helped implement the AACSB accreditation program for the College of Business Administration. As Chair of Business at the American University in Dubai, he introduced and implemented the co-operative education program for business students, a first in the GCC. Known for his meticulous supervision of his Ph.D. students and inspiring experience-based MBA classes, Dr. Gilani has mentored several Emirati students who have gone on to become leaders in their respective fields while contributing to the corporate and government sectors across the GCC. Currently, Dr. Gilani is the Director of Strategy & Excellence at the Government of Dubai s Maritime Authority. In this capacity, he has spearheaded the development and implementation of the Emirate of Dubai s Maritime Sector Strategy He was also responsible for development and implementation of the second chapter of this work which is the Maritime Sector Strategy In 2014, he single-handedly visualized and created the Maritime Vision 2030 for the Emirate of Dubai. Within the same year, Dr. Gilani produced the Emirate s first comprehensive Maritime Safety Policy and Strategy
7 for its territorial waters. Under the patronage of H.H. Sheikh Hamdan Bin Mohammed Rashid Al Maktoum, the Crown Prince of the Emirate of Dubai, and under the supervision of The Dubai Executive Council, Dr. Gilani was part of the team that contributed to the development of the new Dubai Strategic Plan In tandem with Dubai World Central (DWC) and Dubai Airport Engineering Projects (DAEP), he is responsible for the development of the Emirates Logistics and Transportation Competitive Strategy to position Dubai internationally as the key shipping and logistical Super Gateway. Dr. Gilani also serves as board advisor and board member to companies in New Zealand, Australia, Singapore and the GCC. Abstract The Pre-Strategy Preparedness Check Developing a strategic plan takes discipline, foresight and a lot of honesty. Regardless of how well prepared, a strategic plan is bound to encounter challenges along the way. Even the best-laid of organisational strategies are rendered useless without proper implementation. This is far from straightforward as corporate strategy by nature is often conceptual and complex. Numerous researchers and authors cite reasons behind these strategy failures and categorize them into fundamental internal and external causes. A plethora of research has also provided guidance on rectifying these problems. However, there is a necessity to look beyond into an area in between Strategy Formulation and Strategy Implementation, which Dr. Syd Gilani terms the Pre-Strategy Preparedness Check. Dr. Gilani explains the importance of understanding the architectural configuration of the Pre-Strategy Preparedness Check, both in terms of its hard and soft elements and components, in order to help organizations prepare for better success in strategy achievement and implementation. Keywords: strategy failure, internal and external causes, strategy implementation, Pre- Strategy Preparedness Check, hard and soft elements
8 Keynote Speaker 2: Dr. Razif Bin Muhammed Nordin Universiti Teknologi MARA Abstract Preparation and biodegradation characteristic of polyethylene Polyethylene s are widely utilized in many applications, ranging from household items to engineering and advanced application. In fact they are part and parcel of our daily life, which can be easily attributed to several factors. Among those include versatility and large window of properties, ease of design and applications and development of materials and processing, to quote a few. This paper will attempt to discuss the pertinent issues, current and future, pertaining to biodegradability of polyethylene, based on a specific example. This is amid at illustrating on how to improve biodegradation of polyethylene without sacrifice the tensile properties.
9 List of the Conference Committee IPN IWNEST 2015 Conferences Langkawi, Honorary Advisor Prof. Dr. Abdel Rahman Mohammad Said Al-Tawaha (Ph.D McGill University) Founder President of Islamic World Network for Environmental Science and Technology Editor in Chief, Journal of Applied Science and Agriculture Editor in Chief, Australian Journal of Basic and Applied Sciences Al Talal Bin Hussein University, Jordan IPN IWNEST 2015 Conferences Langkawi, Chairman Datin MZ Zainab IPN IWNEST 2015 Conferences Langkawi, Academic Committee Conference Chair Prof. Dr. Abdel Rahman Mohammad Said Al-Tawaha (Ph.D McGill University) Technical Committee Dr. Ismail Khalaf Abbas, Iraq Dr. Sana A. Al-Khashab, Iraq Dr. Wafa'a Abdelrahman Abdulla Al Taisan, Saudi Arabia Dr. Samah Djeddi, Algeria Dr. Nada Fadhil Tawfiq, Iraq Dr. Ajay Verma.India Dr. Sarwoko Mangkoedihardjo, Indonesia Dr. Sharif Hossain, Saudi Arabia Dr. Babak Daneshvar Rouyendegh, Turkey Dr. Sunil Kumar, India Dr. Ezzeddine Ben Mohamed, Tunis Dr. Mahboub Sheikhalizadeh Heris, Iran Dr. Azimi Anaraki, Iran Dr. Cheevin Limsiri, Thailand Dr. Prayong Keeratiurai, Thailand Assistant Prof. Dr. Cheevin Limsiri, Thailand Dr. Sureeporn Nipithwittaya, Thailand Dr. Kamran Mohamadkhani, Iran Dr. Piotr Tryjanowski, Poland. Dr. Rafael Caballero, Spain. Dr. Ömür Baysal, Turkey. Dr. Aamir Nazir, Usa. Dr. Li, Feng-Rui,China. Dr. Zafer Olmez, Turkey. Dr. Yasir Hasan Siddique Fibr, India. Dr. S. Karthikeyan, India. Dr. Bragadeeswaran, India Dr. Sevil Toroglu, Turkey. Dr. Ezekiel Olatunji, Nigeria. Prof. Dr. Mohammed Rahmatullah, Bangladesh Prof. T.R.Mankhand, India Prof. Bhaskar Bhattacharya.India Prof. Dr. Kyung-Dong Lee, Korea Prof. P. Ramkumar M., India Prof. Dr. Abubakr Gomaa, Egypt Dr. Anuchit Uchaipichat, Thailand
10 IPN IWNEST 2015 Conference Langkawi, Organising Committee YKY Nurul Shaiful Rafie Wafiy Instruction for Oral Presentation Devices Provided by the Conference Organizer: Laptop (with MS-Office & Adobe Reader) Projector & Screen Laser Sticks Materials Provided by the Presenters: PowerPoint or PDF files Duration of each Presentation (Tentatively): Regular oral presentation: about 15 minutes (including Q&A) Keynote speech: about 40 minute (including Q&A) Notice: Please keep your belongings (laptop and camera etc) with you! During registration: Original Receipt Representative / Pass Card with lanyard Printed Program Participation Certificate (collected from Session Chair after the session) Conference Souvenir Conference Bag
11 IPN IWNEST 2015 Conferences Langkawi Conference Program June 5, 2015 Venue : Lobby Registration Venue: Adya Opening Remarks Plenary Speech Plenary Speech 2 IPN.org Dr. Syd Gilani Dubai Maritime Authority Dr. Razif Muhammed Nordin UiTM Group Photo and Coffee Break Venue:Adya Session 1 June 6, 2015 Venue: Adya Session 2 Venue: Restaurant Jelapang Lunch Venue: Adya Session 3 Venue: Adya Session 4 Venue: Adya Venue: Restaurant Jelapang Dinner Coffee Break Best Presenter/Best Paper Awards Ceremony
12 Session 1 Time: Venue: Adya 5 Session Chair: Dr Ekwipoo Kalkornsurapranee No Paper ID Presenter icprc Novel Rubber Hot Tear Test by Using Suction Cups Mechanism. An Investigation for Two Vulcanizates of Different Crosslink Densities Soh Tiak Chuan, Qumrul Ahsan, Noraiham Mohamad Universiti Teknikal Malaysia icprc Literature Mapping of Electrical Discharge Machining (EDM) System Dana Dehghani, Azli Yahya, Norhalimah Idris, Muhammad Arif Universiti Teknologi Malaysia icprc The Effect of Process Parameter for Graft Copolymerization of Sorbic Acid Onto Polypropylene Film by Full Factorial Experimental Design Nor Azwin Shukri, Zulkafli Ghazali, Nor Azillah Fatimah Othman, Mat Uzir Wahit Malaysian Nuclear Agency icprc Development of PTFE-filled NR/NBR/CR Rubber Blend for Chemical Resistant Applications M.N Noorzalila, M. Buvearasan, R. Muhammad Izzuan Universiti Teknologi MARA icprc Sound Absorption Properties of Epoxidized Natural Rubber Mahmud Iskandar Seth A Rahim, Mohamad Asri Ahmad Lembaga Getah Malaysia icprc Functionalization of Gma-Grafted Banana Fibers With Ethylenediamne for Metal Ion Adsorption Selambakkannu, S., Othman, N.A.F., Mohamad, F. Bakar, K.A. and Saidi, H. Malaysian Nuclear Agency
13 7 005-icprc Studying the Effects of Alkali Treatment on the Properties of Kenaf Fiber for Reinforced Concrete Elements Lam Tian Fook, Jamaludin Mohamad Yatim Universiti Teknologi Malaysia icprc Particleboard from Para Rubber Wood bonded with Natural Rubber-g- Methyl (methacrylate) Dr Ekwipoo Kalkornsurapranee, Wisut Kaewsakul, Phontipa Daengli, Padinya Aree, Sitisaiyidah Saiwari and Anoma Thitithammawong Prince of Songkla University, Songkhla
14 Session 2 Time: Venue: Adya 6 Session Chair: Dr Norma Alias No Paper ID Presenter icprc Microorganism as plastic biodegradation agent towards sustainable environment W Naimatul Asiah W Muhamad, Rashidi Othman, Ruhul Izzati Shaharuddin, Mohd Shah Irani Hasni International Islamic University Malaysia icprc Characterization of Spent Bleaching Earth After Thermal And Chemical Treatment Tuan Amran Tuan Abdullah, Safwanah Salleh, Mohd Johari Kamaruddin, Ramli Mat, Anwar Johari, Nor Azillah Fatimah Othman Malaysian Nuclear Agency icprc Preparation of a Novel 1-Vinylimidazole/2-Hydroxyethyl Methacrylate Grafted Polyethylene Terephthalate/Kenaf Adsorbent via Radiationinduced Graft Copolymerization Nor Azillah Fatimah Othman, Wan Nur Shahida Wan Jusoh, Nor Azwin Shukri, Tuan Amran Tuan Abdullah Malaysian Nuclear Agency icprc Some Studies On The Preparation And Characterization Of Natural Rubber Grafted Poly (Methyl Methacrylate), Polystyrene And Poly (Styrene-Co-Methyl Methacrylate) Wanida Yung-Aoon, Preeyaporn Khunmaung, Parichat Chaisongkram, Nitinart Seatung, Jobish Johns, Ekwipoo Kalkornsurapranee Prince of Songkla University, Songkhla icprc Study The Effect of Milling Parameters on Surface Roughness During Milling Kenaf Fibre Reinforced Plastic Azmi bin Harun, Che Hassan bin Che Haron, Jaharah binti A. Ghani, Suhaily binti Mokhtar, Sia Ting Ting
15 Universiti Kebangsaan Malaysia icprc Silica filled Epoxidised Natural Rubber / cis 1,4-Polybutadiene Dr Mazlina Mustafa Kamal, Malaysian Rubber Board icprc Nucleation and Compatibilization of Poly (butylene adipate-coterephthalate) and Polylactide Biodegradable Composite Films Dr Worasak Phetwarotai, Ekwipoo Kalkornsurapranee, PoonpailinJan homklai, TunsudaSuparanon, Neeranuch Phusunti Prince of Songkla University icprc HPCL: Integrated Software for Parameter Characterization and Mechanical Properties of Rubber Nanocomposite Dr Norma Alias, Nadia Nofri Yeni Suhari Universiti Teknologi Malaysia
16 Session 3 Time: Venue: Adya 5 Session Chair: Dr. Kavitha Palaniappan No Paper ID Presenter icohs Blood Cholinesterase Level and Cognitive Functioning among Primary School Children near Paddy Field in Tanjung Karang, Selangor Noor Aishah Hamzah, Zailina Hashim, Nurul Husna Miswon and David Baguma Universiti Putra Malaysia icohs Blood Cholinesterase Level and Neurobehavioral Performance among Primary School Children at Tanjung Karang, Selangor, Malaysia Nur Naqibah Lokhman, Zailina Hashim, Vivien How, Raihanah Chokeli University Putra Malaysia icohs Women Left Behind After Workplace Accidents: Legend of Human Pillar and Safety Campaign Ryoichi HORIGUCHI Kinki University icohs The Construct Validity of Health and safety executive HSE Tools for Measuring a organizational Performance: Evidence from the aviation industry in Yemen Mohammed Alkhawlani, Prof. Dr. Zaini Abdullah Universiti Teknologi MARA icohs Integration of Quality Management and Construction Accident Causation: Development of Accident Causation Theories. Noor Aisyah Asyikin Mahat, Faridah Ismail, Sharifah Nur Aina Syed Alwee Universiti Teknologi MARA icohs Study of Performance of Thyroid Counter for Monitoring of Intake of Iodine-131 among Radiation Workers in Malaysia Norhayati Abdullah, Siti Sara Deraman, Saleha Safie, Mohd Syafiq Jawari, Raabiatun Adawiyah Mat Zin Malaysian Nuclear Agency
17 7 012-icohs Theoretical Review of Safety Climate in Malaysian Construction Industry Syamsul Hendra Mahmud and Roslan Amirudin Universiti Teknologi Malaysia icohs Knowledge Management in Human Error in Accident Prevention Ahmad Soyuti Hj Sabran SapuraKencana-TL Offshore icohs Toxicity, Occupational Exposure Risks and Management Framework for Nanomaterials used in Singapore Kavitha Palaniappan University of Newcastle Singapore
18 Session 4 Time: Venue: Adya 6 Session Chair: Assoc. Prof. Dr. Abdul Talib Bin Bon No Paper ID Presenter iclg Local population: A study in the influence of learning styles in computing field Sin-Ban Ho, Chuie-Hong Tan Multimedia University, icsm Business Model Innovation beyond Resource Constraint Hui-Hua Ou yang, Hsiao-Yu Chang Chien Hsin University of Science and Technology icsm From Vision to Strategy Achievement - A Strategic Leadership Case in Focus: HH Sheikh Mohammed bin Rashid Al Maktoum, Ruler of Dubai Dr. Syd Gilani, Berina E.O. Gilani Dubai Maritime Authority icsm Measuring Framework for Information System Evaluation Lew Sook Ling Multimedia University icsm Assessment Of Items Premeditated For Trust Philosophies Integrated Into Technology Adoption Solomon Oluyinka, Alina Shamsuddin, Eta Wahab University Tun Hussein Onn Malaysia icsm Model of Customer Loyalty on Professional Services: Empirical Study on Independent Surveyor Service Industry In Indonesia Hannan S., Suharjo B, Kirbrando and Nurmalina R Bogor Agricultural University, Indonesia icsm Determining Core Business for Aquaculture in Indramayu District - West Java Rostika, R. and R. Ahmad Universitas Padjadjaran
19 8 008-icsm The Determinant Factors Of Technology Adoption For Improving Firm s Performance; An Empirical Research Of Indonesia Electricity Company Zainal Arifin, Firmanzah, Avanti Fontana PLN Indonesia icsm The Validation of Self Efficacy Instrument for Franchise Entrepreneur Fosa Sarassina, Nik Kamariah Nik Mat, Ruswiati Suryasaputra Universiti Utara Malaysia icsm Mediating Role of Organization s Continuous Commitment between Strategy Implementation and Organizational Performance in Libya s Industrial Sector Ahmed Alghazali Mohammed Alghannai, Abdul Talib Bin Bon University Tun Hussein Onn Malaysia
20 Conference Venue ADYA HOTEL LANGKAWI No 1 PT, 4001, Persiaran Mutiara 2 Mukim Kuah Langkawi Phone : Conference Secretariat Contact: International Postgraduate Network (IPN.org) 37B Jalan Pelabur 23/B, Seksyen Shah Alam Selangor Darul Ehsan Malaysia Phone No. : (call/sms/whatsapp) Tel no: / Fax: Programme website: Contact Person: Mr Mohd Shaiful Shariffuldin
23 List of Abstract No Paper ID Presenter icprcjasr Novel Rubber Hot Tear Test by Using Suction Cups Mechanism. An Investigation for Two Vulcanizates of Different Crosslink Densities Soh Tiak Chuan*1, Qumrul Ahsan2, Noraiham Mohamad 3 1,2,3 Faculty of Manufacturing Engineering, Universiti Teknikal Malaysia, Melaka, Malaysia *Corresponding author: Soh Tiak Chuan, Faculty of Manufacturing Engineering, Universiti Teknikal Malaysia, Durian Tunggal, Melaka, Malaysia. Tel: , Fax: , icprcjasa Abstract- A new test method to analyze the hot tear resistance of rubber vulcanizates comparable to the molding temperature of 165 0C was investigated. A mold consists of 18 suction cups in complicated shape was made. Quantities of fractured suction cups were analyzed after the suction cups were stripped off automatically from the heated mold through a special mold opening mechanism. Two industrial applied formulations at different levels of crosslink density were analyzed under this new test method. Hot tear test reveals the vulcanizate with lower crosslink density is lesser in the amount of fractured suction cups than the one with higher crosslink density with an improvement of %. The advancement level is profoundly higher than the result of conventional trouser tear test conducted at ambient temperature with an improvement of just %. Hot tear test exhibits better sensitivity to different levels of rubber crosslink density pertaining to the tear resistances of vulcanizates at high temperature. Statistical t-test and SEM micrographs analyses are consistence to the results of hot tear test. Keywords: Rubber Vulcanizate; Hot Tear Resistance; Crosslink Density; Trouser Tear Test. Development of PTFE-filled NR/NBR/CR Rubber Blend for Chemica l Resistant Applications M.N Noorzalila *1, M. Buvearasan 2, R. Muhammad Izzuan3 1 Faculty of Chemical Engineering, Universiti Teknologi MARA Pulau Pinang, Permatang Pau h, Pulau Pinang, Malaysia 2,3 Harvik Rubber Industries Sdn. Bhd, 1414 Lorong Perusahaan 4, (Off Jalan Perusahaan), Free Ind ustrial Zone (1), 1300 Prai, Pulau Pinang, Malaysia Abstract- Rubbers may come in contact with different types, combinations and concentration of chemicals and solvents which
24 3 003-icprcjasa ultimately reduces its functionality and deteriorate over the time. The blends of natural rubber (NR), nitrile rubber (NBR) and chloroprene rubber (CR) have been designed for products being exposed with solvents. In this work, the NR/NBR and NR/CR/NBR have been blended with polytetrafluoroethylene (PTFE) to enhance chemical resistance of the rubber blends. The rubber blends have been investigated for its characteristics such as rheological properties, mechanical analysis and immersions with respective solvents. The results showed that the incorporation of PTFE in rubber blends could enhance the tensile strength and hardness of the NR/NBR rubber, reduce the degree of swelling and decrease in its penetration rate and diffusion coefficient. This study showed that the PTFE-filled NR/NBR rubber have the potentiality to be used for application and products working in contact with chemicals or solvents. Sound Absorption Properties of Epoxidized Natural Rubber Mahmud Iskandar Seth A Rahim *1, Mohamad Asri Ahmad 2 1 High Value-Added Rubber Products and Nanostructured Materials, Technology and Engineering D ivision, Stesen Penyelidikan RRIM, Lembaga Getah Malaysia, 47000, Sungai Buloh, Selangor, Malay sia. 2 Industrial Technical and Advisory Services, Quality and Technical Services Division, Stesen Penyeli dikan RRIM, Lembaga Getah Malaysia, 47000, Sungai Buloh, Selangor, Malaysia icprcjasa Abstract- This study presents the process to develop a green rubber using Epoxidized Natural Rubber (ENR) with sound insulating properties that could compete with commercial rubber sound insulator. The aim of this paper is to evaluate performances of this green rubber material in order to assess the feasibility of use in sound insulation application. A two-microphone impedance tube was used to investigate the sound absorption properties of the rubber formulated. The data obtained show clearly that the ENR based sound insulation materials performance is promising that almost match to commercial rubber sound insulator. The data set obtained here could be a fundamental study with available sound insulation materials model to take the approach further and extended to other mechanical and thermal properties performances. Literature Mapping of Electrical Discharge Machining (EDM) System Dana Dehghani *1, Azli Yahya 2, Norhalimah Idris 3, Muhammad Arif 4 1 Faculty of Electrical Engineering, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia 2 Faculty of Biosciences and Medical Engineering, Universiti Teknologi Malaysia, 81310, Skudai, Joh or, Malaysia 3Faculty of Management, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia 4Faculty of Electrical Engineering, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia Abstract- Electrical Discharge Machining (EDM) is a non-traditional machining process used for end pieces in application of aerospace, automotive industry and many manufacturing industries. The process
25 5 005-icprcaeb removes the material from a workpiece by a series of frequent electrical discharges between the electrode tool and the work piece in a dielectric fluid environment. Due to the non-direct contact between the workpiece and the electrode during the machining process, mechanical stresses and chatter vibration issues are eliminated. This paper presents a review of EDM particularly in control system, Material Removal Rate (MRR) and power generator design and development. Studying the Effects of Alkali Treatment on the Properties of Kenaf Fiber for Reinforced Concrete Elements Lam Tian Fook 1, Jamaludin Mohamad Yatim 2 1 Department of Structure and Materials, Faculty of Civil Engineering, Universiti Teknologi Malaysi a, UTM Skudai, Malaysia. 2 Department of Structure and Materials, Faculty of Civil Engineering, Universiti Teknologi Malaysi a, UTM Skudai, Malaysia. Abstract- Kenaf fibers are coming into interest to use in reinforced concrete elements in recent years due to its attractive properties such as lightweight, non-abrasive, degradable, renewable and inexpensive. However, lack of good interfacial adhesion and high moisture absorption make the use of kenaf fiber reinforced concrete elements less attractive. Alkali treatment is one of the best used chemical treatment for natural fibers. It can clean the fiber surface, chemically modify the surface and increase the surface roughness. The purpose of this study is to do a fundamental study on the effects of kenaf fiber in different ph of NaOH. In this study, various alkali ph of NaOH were used and the effects on the color of fiber, weight loss and water absorption of treated kanef fibers were evaluated. From the study, It found that the color of kenaf fiber was significantly changed due to alkali treatment and become more and more yellowish whenever the ph of NaOH increased. Treated kenaf fibers were lighter than untreated fibers. The water absorption for fiber was also higher for treated kenaf fiber and the time to reach saturation level was reduced after alkaline treatment icprcaeb Microorganism as plastic biodegradation agent towards sustainabl e environment W Naimatul Asiah W Muhamad 1, Rashidi Othman *2, Ruhul Izzati Shah aruddin 3, Mohd Shah Irani Hasni 4 International Islamic University Malaysia (IIUM), Kulliyyah of Architecture and Environmental Des ign (KAED), International Islamic University Malaysia, Jalan Gombak, Kuala Lumpur, Malaysia Abstract- The usage of plastic is critically in demand due to its character which can be shaped into almost any desired shape and its ability to retain that shape. Unfortunately, the wastage of those plastics leads to many environmental issues and hazards towards human health. Basically, plastics can degrade in the environment through four
26 7 007-icprcjasr mechanisms which are photodegradation, thermooxidative, hydrolytic degradation and microbial degradation. Microbial degradation is subject to microorganism which acts as biodegradation agent. In this case, microorganism will secrete an active enzyme to break down long chain polymers. Microbial enzymes are attractive because the cost to grow and maintain them is less and they are easy to manipulate. Rhizopus delemar, Rhizophus arrizus and Pseudomonas sp. were among the most cited bacteria that have successfully degraded certain type of plastics. Whereas, fungal species of Aspergillus flavus and Penicillium funiculosum were recorded by scientist which react with certain plastic s substrate. The objective of this paper is to review several species of microorganism that have been experimented by scientist and were claimed to have the capability to degrade plastic towards eco-friendly approaches in order to sustain our environment. In conclusion, microorganisms are very effective agent to fasten degradation process of plastics without causing any side effect like chemical or synthetic method does. The Effect of Epoxide Functionality on Basic and Compound Proper ties of In-House and Industrial Epoxidized Natural Rubbers Patompong Pummor and Wisut Kaewsakul* Department of Materials Science and Technology, Faculty of Science, Prince of Songkla University, Hat Yai Campus, Songkhla Thailand *Corresponding author: Kaewsakul W., Ph.D., Department of Materials Science, Faculty of Science, P rince of Songkla University, Songkhla Thailand. Tel.: , Fax: , Ema il: icprcaeb Abstract- The intrinsic properties of the raw rubbers are an important factor which determines the overall properties of the compounds and end-use vulcanizate rubber products. The epoxidized natural rubber (ENR) is one of the most commonly used modified natural rubber materials in industry. Many research works have been carrying out on ENR-related subjects. But a very few of those has paid an attention on the difference between raw epoxidized natural rubbers produced from laboratory and from industry. In the present work, the ENRs from the two production sources were studied for their basic and compound properties. Based on the results, ENRs at the same level of epoxidation degree from both sources show the similar basic properties in terms of chemical structure, thermal dependence, specific gravity, and cure characteristics of compounds, except for their viscosity. The epoxide groups play a significant role on basic characters and compound properties of the epoxidized natural rubbers when compared to the unmodified natural rubbers. Keywords: Epoxidezed Natural Rubber, ENR, NR, Compound, Properties Some studies on the preparation and characterization of Natural rubber Grafted poly (methyl methacrylate), polystyrene and poly (styrene-co-methyl methacrylate)
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