Polymer Technology Polyvinyl chloride (PVC) Softening temperature is 200°C Uses either emulsion or suspension polymerisation methods Is produced by polycondensation reaction Can be made thermosetting by adding a plasticiser Softening temperature is 200°C Uses either emulsion or suspension polymerisation methods Is produced by polycondensation reaction Can be made thermosetting by adding a plasticiser ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The rate controlling step in the manufacture of silicone rubber is the Polymer termination step None of these Condensation of siloxane to silicone Initial hydrolysis of silicone monomer Polymer termination step None of these Condensation of siloxane to silicone Initial hydrolysis of silicone monomer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Acrylonitrile-butadiene-styrene (ABS) copolymer, which is produced by blending styrene-acrylonitfile copolymer with butadiene based elastomer, is a/an Thermosetting polymer Rigid foam Spongy rubber Engineering plastic Thermosetting polymer Rigid foam Spongy rubber Engineering plastic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Silicone resins, which are highly water repellant and has good heat resistance can not be used As room temperature adhesive As grease & lubricant Hydraulic fluid for heat transfer Resin for lamination As room temperature adhesive As grease & lubricant Hydraulic fluid for heat transfer Resin for lamination ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is produced by polymerisation of chloroprene. Polyurathane rubber Neoprene Thiokol (a polysulphide rubber) Butyl rubber Polyurathane rubber Neoprene Thiokol (a polysulphide rubber) Butyl rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The inter particle forces between linear chains in nylon-66 are __________ bonds. Covalant Ionic Hydrogen None of these Covalant Ionic Hydrogen None of these ANSWER DOWNLOAD EXAMIANS APP
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