Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to Reduce its viscosity to permit easier processing Increase its viscosity Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce the time of vulcanisation and quantity of vulcanising agent Reduce its viscosity to permit easier processing Increase its viscosity Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce the time of vulcanisation and quantity of vulcanising agent ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is Polyester Bakelite Nylon-66 Teflon Polyester Bakelite Nylon-66 Teflon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Celluloid is Cellulose nitrate Regenerated cellulose Cellulose acetate Cellulose acetate butyrate Cellulose nitrate Regenerated cellulose Cellulose acetate Cellulose acetate butyrate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Temperature and gage pressure maintained during the manufacture of cold SBR (styrene butadiene rubber) are - 20°C and 1 kgf/cm² 0°C and 3 kgf/cm² 5°C and 1 kgf/cm² 0°C and 1 kgf/cm² - 20°C and 1 kgf/cm² 0°C and 3 kgf/cm² 5°C and 1 kgf/cm² 0°C and 1 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Linear polymers are normally Thermosetting Elastometric Having extremely high softening point Thermosplastic Thermosetting Elastometric Having extremely high softening point Thermosplastic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Silicone resins, which are highly water repellant and has good heat resistance can not be used Hydraulic fluid for heat transfer Resin for lamination As grease & lubricant As room temperature adhesive Hydraulic fluid for heat transfer Resin for lamination As grease & lubricant As room temperature adhesive ANSWER DOWNLOAD EXAMIANS APP
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