Polymer Technology Temperature maintained in the emulsion polymerisation reactor for PVC manufacture is about __________ ° C. 250 -20 500 50 250 -20 500 50 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cross linked polymers formed from bi-and trifuctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties. Elastometric Brittleness Thermosetting Thermoplastic Elastometric Brittleness Thermosetting Thermoplastic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rexin (also called artificial leather), which is used for making table cover, automobile seat cover, shoes etc. is made by coating thick cloth with molten PVC SBR Teflon Bakelite PVC SBR Teflon Bakelite ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m². Which of the following polymers has the maximum film elongation (of the order of 100%) ? Teflon Water impermeable cellophane Cellulose acetate Polythene Teflon Water impermeable cellophane Cellulose acetate Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its Plasticity Weathering characteristics Strength Elasticity Plasticity Weathering characteristics Strength Elasticity ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Neoprene is rendered non-inflammable, because of The absence of chlorine atoms in its monomer The presence of chlorine atoms in its monomer Its linear chain structure Its cross-linked structure The absence of chlorine atoms in its monomer The presence of chlorine atoms in its monomer Its linear chain structure Its cross-linked structure ANSWER DOWNLOAD EXAMIANS APP