Polymer Technology In step growth polymerisation, generally only one type of reaction & some basic mechanism is involved. Step growth polymerisation reaction is not involved in the manufacture of Polyesters Cross linked polystyrene Polyamides Phenol formaldehyde resins Polyesters Cross linked polystyrene Polyamides Phenol formaldehyde resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as Transparency improver Anti-shrinkage agents Hardeners Plasticisers Transparency improver Anti-shrinkage agents Hardeners Plasticisers ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Hot drink (e.g, tea) cups are usually made of Polystyrene Polythene PVC Polypropylene Polystyrene Polythene PVC Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers are produced by employing all bulk polymerisation, solution polymerisation & suspension polymerisation technique of addition (chain) polymerisation? Epoxy resin Bakelite PTFE PVC Epoxy resin Bakelite PTFE PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is generally not drawn into fibre? Polyacrylonitrile Unsaturated polyesters Saturated polyesters Polyamide Polyacrylonitrile Unsaturated polyesters Saturated polyesters Polyamide ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycaprolactum (Nylon - 6) is produced by the condensation polymerisation of caprolactum at 240-280°C in which the conversion of caprolactum is about __________ percent. 50 99 75 90 50 99 75 90 ANSWER DOWNLOAD EXAMIANS APP
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