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土木院:Evaluation of effectiveness of methyl methacrylate as retarder additive in polymer concrete
学术地点 土木院院楼A212教室 主讲人 Dr. Nur Hafizah Abd Khalid
讲座时间 2018年1月6日10:00-10:45

Evaluation of effectiveness of methyl methacrylate as retarder additive in polymer concrete



Dr. Nur Hafizah Abd Khalid

Senior Lecturer     Construction    Materials Research Group      Universiti    Teknologi Malaysia (UTM)
Email: nur_hafizah@utm.my

Tel: +60197155316

Website: http://people.utm.my/nurhafizah/

Date: 6 November 2018 (Tuesday)

Time: 10:00-10:45 a.m.

Venue: Room A212, College of Civil Engineering

PIC: Professor T.C Ling (林忠财)

It is a known fact that most  thermoset resins are very sensitive to hot temperature, which hinders its  ability to produce polymer-based products in a large scale. This study aims to  investigate the potential of manufacturing polymer concrete in ambient room  temperature of 30 ± 2 oC. A laboratory test was conducted with the  introduction of polyester retarder additive into polyester resin formulation.  All tests were carried out strictly in ambient room temperature (30 ± 2 oC).  For comparison purpose, polyester resin without retarder additive was prepared  as the control formulation under identical condition. Visual inspection was  done on the fresh working life of polyester resin with different percentage of  retarder additive in two different types of polyester resin-isophthalic and  orthophthalic. Characterization on retarder additive was conducted under X-ray  Diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR) and, 1H and  13C Nuclear Magnetic Resonance (NMR). Investigation on the effects of polymer  retarder additive on the physical and mechanical properties of polymer resin,  polymer blended, and polymer concrete showed that the retarder additive had  prolonged the working life and improved properties of polymer concrete. These  proved the potential of adding retarder additive in polymer concrete in ambient  room temperature of 30 ± 2 oC.

About the Speaker
 Dr. Nur  Hafizah Abd Khalid is a senior lecturer at Faculty of Civil Engineering, UTM  and a research member of Construction Material Research Group (CMRG).  Currently, she has been appointed as Council Member of  Concrete Society Malaysia (CSM). Dr. Nur Hafizah  Abd Khalid started her higher education in Diploma of Civil Engineering with  First Class Honours in 2002 at Polytechnic of Port Dickson. Then she earned her  Bachelor of Engineering (B.Eng) in the same field at Universiti Teknologi  Malaysia (UTM) in 2005; also as a First Class Honours student in 2008. Before  she further her Master’s degree, she gained herself some experiences in  research and worked as an Asisstant Research Officer (ARO) in UTM for one year.  Two years after that, she earned her Master’s degree on structure and materials  in 2011; also from UTM. She has also been awarded as Young Women Scientist  (representing Malaysia) in 2014 in South Korea by KWSE/APNN. Her  research interest focuses on advanced concrete technology (green concrete  technology and fiber reinforced concrete,), any civil engineering materials, polymer  composites, composites and bio-composites. Her biggest interest is to turn  potential waste into civil engineering materials. Microstructural  analysis under spectroscopy testing is part of her expertise and  interest. 

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