Polymer Technology Commercial production of polypropylene employs __________ polymerisation. Bulk Suspension Emulsion Solution Bulk Suspension Emulsion Solution ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Epoxy resins (i.e., epoxide polymers) 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 Contain an epoxy group ( ##### ) at the ends of the polymer Are cross-linked polymers only Use emulsion polymerisation methods 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 Which of the following is a copolymer? Bakelite Teflon Polythene PVC Bakelite Teflon Polythene PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Softening point of high density polythene is about __________ °C. 165 85 205 135 165 85 205 135 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The conversion of caprolactum in the above case is about __________ percent. 25 90 50 70 25 90 50 70 ANSWER DOWNLOAD EXAMIANS APP