Polymer Technology Most of the plastics are safe to be used upto a maximum temperature of __________ °C. 150 450 100 350 150 450 100 350 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of __________ produces bakelite. Propylene Urea & formaldehyde Phenol & formaldehyde Phenol & acetaldehyde Propylene Urea & formaldehyde Phenol & formaldehyde Phenol & acetaldehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as Hardeners Plasticisers Anti-shrinkage agents Transparency improver Hardeners Plasticisers Anti-shrinkage agents Transparency improver ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycondensation reaction of polymerisation Produces epoxy polymers Does not produce linear polymers Does not need any catalyst Produces only thermoplastic material Produces epoxy polymers Does not produce linear polymers Does not need any catalyst Produces only thermoplastic material ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology A copolymer of vinyl and vinylidine chloride is called Saran Treylene Orlon Dacron Saran Treylene Orlon Dacron ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Flexible foam (for mattresses) are usually made of PVC Polyurethanes Polyamides Silicone rubber PVC Polyurethanes Polyamides Silicone rubber ANSWER DOWNLOAD EXAMIANS APP