Polymer Technology Most commonly used rubber vulcanisation agent is Platinum Bromine Alumina Sulphur Platinum Bromine Alumina Sulphur ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Branched chain polymers compared to linear polymers have higher Melting point Tensile strength Degree of irregularity in atomic packing Density Melting point Tensile strength Degree of irregularity in atomic packing Density ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Poly tetra flouro ethylene (PTFE) is known as Bakelite Celluloid Teflon Dacron Bakelite Celluloid Teflon Dacron ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The process involved in converting rubber into a thin sheet or coating it on fabric is called Vulcanisation Extrusion Mastication Calendering Vulcanisation Extrusion Mastication Calendering ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to Reduce the time of vulcanisation and quantity of vulcanising agent Protect rubber goods from attack by oxygen & ozone present in the atmosphere Increase its viscosity Reduce its viscosity to permit easier processing Reduce the time of vulcanisation and quantity of vulcanising agent Protect rubber goods from attack by oxygen & ozone present in the atmosphere Increase its viscosity Reduce its viscosity to permit easier processing ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Starting material for the production of butadiene in India is Benzol Naphthalene Ethyl alcohol Phthalic anhydride Benzol Naphthalene Ethyl alcohol Phthalic anhydride ANSWER DOWNLOAD EXAMIANS APP