Polymer Technology The organic acid monomer in nylon 66 is Adipic acid Terephthalic acid Sebasic acid Benzoic acid Adipic acid Terephthalic acid Sebasic acid Benzoic acid ANSWER DOWNLOAD EXAMIANS APP
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 Phenol formaldehyde resins Cross linked polystyrene Polyesters Polyamides Phenol formaldehyde resins Cross linked polystyrene Polyesters Polyamides ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Epoxy resin is An elastomer Not used for surface coating A polyester A good abrasive An elastomer Not used for surface coating A polyester A good abrasive ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ polythene is most prone to stress-cracking Linear low density Cross-linked Low density High density Linear low density Cross-linked Low density High density ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Molecular sizes Polymerisation mechanism Magnitude of intermolecular forces Resistance to heat Molecular sizes Polymerisation mechanism Magnitude of intermolecular forces Resistance to heat 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 Nylon-66 Bakelite Teflon Polyester Nylon-66 Bakelite Teflon ANSWER DOWNLOAD EXAMIANS APP