Polymer Technology SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at 1:2 3:1 1:3 2:1 1:2 3:1 1:3 2:1 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. Thermosetting Elastometric Thermoplastic Brittleness Thermosetting Elastometric Thermoplastic Brittleness ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Orion is A condensation polymer All of these A copolymer Obtained by polymerising vinyl cyanide A condensation polymer All of these A copolymer Obtained by polymerising vinyl cyanide ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as Hardeners Transparency improver Plasticisers Anti-shrinkage agents Hardeners Transparency improver Plasticisers Anti-shrinkage agents ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Antioxidants are added to rubber to protect it from the attack of light, heat & atmospheric ozone. Which of the following is an antioxident used in rubber? Magnesium Alkylated diphenyl amine Carbon Thiokol Magnesium Alkylated diphenyl amine Carbon Thiokol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymethyl methacrylate, which is an acrylic resin, is also called Plexiglass or lucite Dacron Teflon Thiokol Plexiglass or lucite Dacron Teflon Thiokol ANSWER DOWNLOAD EXAMIANS APP