Polymer Technology Plexiglass (also called lucite) because of its high optical transparency is used for making lenses. It is chemically Polytetraflouroethylene(PTFE) Polymethyl methacrylate (PMMA) Polycarbonates Phenolic resins Polytetraflouroethylene(PTFE) Polymethyl methacrylate (PMMA) Polycarbonates Phenolic resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation of bisphenol A with phosgene produces __________ which possess very good heat resistance. Polyurathane Polyester Polycarbonate Polysulphone Polyurathane Polyester Polycarbonate Polysulphone ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is generally not drawn into fibre? Polyamide Saturated polyesters Unsaturated polyesters Polyacrylonitrile Polyamide Saturated polyesters Unsaturated polyesters Polyacrylonitrile ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Trade name of __________ is neoprene. Poly vinyl acetate Polychloroprene Polytetraflouroethylene Polyisoprene Poly vinyl acetate Polychloroprene Polytetraflouroethylene Polyisoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Epoxy resins (i.e., epoxide polymers) Are cross-linked polymers only Contain an epoxy group ( ##### ) at the ends of the polymer Use emulsion polymerisation methods Are made by addition polymerisation reaction only Are cross-linked polymers only Contain an epoxy group ( ##### ) at the ends of the polymer Use emulsion polymerisation methods Are made by addition polymerisation reaction only ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycaprolactum is also known as Teflon Nylon-66 Nylon-6 SBR Teflon Nylon-66 Nylon-6 SBR ANSWER DOWNLOAD EXAMIANS APP
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