Hansen Chan Email & Phone Number

Singapore

Singapore

• Formulated two-component polyurethane adhesives used in flexible plastic packaging for food, beverages, consumer goods, medical supplies, etc • Synthesized isocyanate & hydroxyl terminated polyurethane polymers to improve adhesive products and meet customer's requirements such as heat & chemical resistance, cost, regulatory compliance (FDA 175.105, 177.1390)• Performed solid phase micro-extraction (SPME) to concentrate carcinogenic primary aromatic amines (PAAs) generated from adhesives, simulating their migration into food after lamination• Quantified PAAs using UV Vis to ensure compliance with EU regulations (EU 2020/1245)• Assisted in the product development, troubleshooting and application of R&D projects and technical requests• Conducted failure analyses on customers’ samples and provided technical support via analytical testing (GC-FID: solvent retention, GC-MS: identification of unknown solvents, FTIR: curing studies, mixing ratio determination, HPLC: free isocyanate monomer content)• Supported Sales department by synthesizing bulk adhesive samples to be sent for product trials at customer sites• Wrote meeting minutes for weekly R&D discussions, comprehensively detailing key pointers and recording action plan moving forward• Approved new suppliers of raw materials by conducting lab trials and subsequent analytical testing to determine material quality and suitability for large scale production

Singapore

• Supported Technical Leader on the development of new products and applications for waterborne coatings• Formulated water-based paint, carried out application tests and systematically recorded data in reports for customer’s reference• Conducted emulsion polymerization of styrene-acrylate latexes for waterborne industrial coatings• Evaluated coating corrosion resistance and adhesion according to ASTM D714 and ASTM D3359 respectively• Characterized coating properties such as MFFT, particle size, scrub resistance, opacity to determine latex performance• Assessed the effectiveness of specialty paint additives like wetting agents and defoamers by comparing parameters such as corrosion resistance, dry film thickness, foaming

Singapore

• Formulated cement-free geopolymers as an eco-friendly substitute to conventional concrete• Investigated the enhancement of properties of geopolymers by incorporating polypropylene fibres to recycle plastic waste•Conducted tests such as 3-point bend, TGA, DSC, FTIR, XRD to evaluate physical and mechanical properties• Presented research findings to the Board of Directors at the 2015 ACI Project Competition• Competed against external companies and universities and clinched Silver

Bachelor Of Science With Merit, Chemistry

Diploma With Merit, Chemical Engineering