Polymer Technology In step growth polymerisation, generally only one type of reaction & some basic mechanism is involved. Step growth polymerisation reaction is not involved in the manufacture of Polyesters Polyamides Cross linked polystyrene Phenol formaldehyde resins Polyesters Polyamides Cross linked polystyrene Phenol formaldehyde resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is produced by polymerisation of chloroprene. Thiokol (a polysulphide rubber) Butyl rubber Neoprene Polyurathane rubber Thiokol (a polysulphide rubber) Butyl rubber Neoprene Polyurathane rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Catalyst used in the production of high density polythene by low pressure Ziegler process is Aluminium triethyl activated with TiCl₄ Nickel Platinum Molybdenum Aluminium triethyl activated with TiCl₄ Nickel Platinum Molybdenum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The starting material used for the manufacture of caprolactum is DMT Ethylene glycol Ethyl benzene Cyclohexane DMT Ethylene glycol Ethyl benzene Cyclohexane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting polymers as compared to thermoplastic polymers Are formed by addition polymerisation Have three dimensional structure Have linear structure None of these Are formed by addition polymerisation Have three dimensional structure Have linear structure None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The inter particle forces between linear chains in nylon-66 are __________ bonds. Covalant None of these Hydrogen Ionic Covalant None of these Hydrogen Ionic ANSWER DOWNLOAD EXAMIANS APP
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