Process for producing thermoplastic resin

Details Process for producing thermoplastic resin Process for producing thermoplastic resin

1983-01-12

1984-05-22

Ziegler, J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525261, 525263, 525292, 525310, C08F27904

Patent

active

044502567

ABSTRACT:
A thermoplastic resin which is outstanding in impact resistance and heat distortion resistance and is discolored only little by heat is produced by polymerizing, in the presence of diene type synthetic rubber, a monomer mixture of acrylonitrile and styrene, adding thereto a monomer mixture containing more than 80 wt % of .alpha.-methylstyrene, and then adding thereto little by little a monomer mixture containing more than 70 wt % of acrylonitrile, whereby 95-70 parts by weight of monomer is polymerized in the presence of 5-30 parts by weight of the diene type synthetic rubber.

REFERENCES:
patent: 4007234 (1977-02-01), Schuddemage et al.

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