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 Cross linked polystyrene Polyamides Polyesters Phenol formaldehyde resins Cross linked polystyrene Polyamides Polyesters Phenol formaldehyde resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology A chain growth polymerisation reaction consists of three different types of reaction namely initiation reaction, propagation reaction & termination reaction. Chain growth polymerisation reaction is not involved in the manufacture of Siloxane elastomers Vinyl polymers Polyamides Urea-formaldehyde resins Siloxane elastomers Vinyl polymers Polyamides Urea-formaldehyde resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycondensation reaction of polymerisation Does not need any catalyst Produces only thermoplastic material Does not produce linear polymers Produces epoxy polymers Does not need any catalyst Produces only thermoplastic material Does not produce linear polymers Produces epoxy polymers ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The only natural thermoplastic resin, which is a product of animal life is Shellac Copal Rosin Amber Shellac Copal Rosin Amber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cation exchange resins used in water treatment is made from __________ resin. Phenolic Urea formaldehyde Epoxy Amino Phenolic Urea formaldehyde Epoxy Amino ANSWER DOWNLOAD EXAMIANS APP