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 Polyamides Cross linked polystyrene Polyesters Phenol formaldehyde resins Polyamides Cross linked polystyrene Polyesters 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 Polyamides Vinyl polymers Siloxane elastomers Urea-formaldehyde resins Polyamides Vinyl polymers Siloxane elastomers Urea-formaldehyde resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycondensation reaction of polymerisation Does not need any catalyst Produces only thermoplastic material Produces epoxy polymers Does not produce linear polymers Does not need any catalyst Produces only thermoplastic material Produces epoxy polymers Does not produce linear polymers ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The only natural thermoplastic resin, which is a product of animal life is Shellac Amber Rosin Copal Shellac Amber Rosin Copal ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cation exchange resins used in water treatment is made from __________ resin. Amino Urea formaldehyde Epoxy Phenolic Amino Urea formaldehyde Epoxy Phenolic ANSWER DOWNLOAD EXAMIANS APP