Polymer Technology __________ are produced by reacting polybasic acid (e.g. phthalic anhydride) with polyhydric alcohol (e.g., glycerol). Unsaturated polyester Alkyd resins Saturated polyester Amino resins Unsaturated polyester Alkyd resins Saturated polyester Amino resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Epoxy resins (i.e., epoxide polymers) Contain an epoxy group ( ##### ) at the ends of the polymer Are cross-linked polymers only Use emulsion polymerisation methods Are made by addition polymerisation reaction only Contain an epoxy group ( ##### ) at the ends of the polymer Are cross-linked polymers only Use emulsion polymerisation methods Are made by addition polymerisation reaction only ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Properties of a polymer is affected by the Intermolecular forces Branching & cross-linking Chain length All of these Intermolecular forces Branching & cross-linking Chain length All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is a homopolymer. Bakelite Terylene Neoprene Nylon-66 Bakelite Terylene Neoprene Nylon-66 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 Which of the following polymers shows the highest anti-tacking properties? Epoxy resin Phenolic resin Melamine formaldehyde resin Alkyd resin Epoxy resin Phenolic resin Melamine formaldehyde resin Alkyd resin ANSWER DOWNLOAD EXAMIANS APP