Core-shell ABS copolymers and method for their preparation

Details Core-shell ABS copolymers and method for their preparation Core-shell ABS copolymers and method for their preparation

1993-11-08

1995-01-24

Seidleck, James J.

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

Synthetic resins

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

525 77, 525 78, 525902, C08L 5104, C08L 5502

Patent

active

053843614

ABSTRACT:
Core-shell ABS copolymers having an SAN shell completely surrounding the diene core are provided by melt blending an aliphatic diene polymer with an SAN copolymer, said copolymer containing functional groups capable of reacting with the diene polymer. For example, the SAN copolymer may contain azide groups capable of reacting with the olefinic groups in the diene polymer, or both the SAN copolymer and the diene polymer may contain other functional groups capable of interreaction, such as acidic (e.g., maleic anhydride) groups in the diene and epoxy (e.g., glycidyl methacrylate) groups in the SAN copolymer.

REFERENCES:
patent: 3971743 (1976-07-01), Breslow
patent: 4761463 (1988-08-01), Matsumoto et al.
patent: 4870131 (1989-09-01), Pisipati et al.
patent: 4886856 (1989-12-01), Chen et al.
patent: 5047475 (1991-09-01), Ogawa et al.
patent: 5055519 (1991-10-01), Ono et al.

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