Particulate graft polymer, and thermoplastic molding material pr

Details Particulate graft polymer, and thermoplastic molding material pr Particulate graft polymer, and thermoplastic molding material pr

1993-06-28

1994-08-30

Jagannathan, Vasu S.

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

Synthetic resins

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

525 70, 525 73, 525 77, 525 78, 525 80, 525 83, 525 85, 525 86, 525289, 525293, 525301, 525309, 525310, C08F26502, C08F26504, C08F27102, C08F27902

Patent

active

053428986

ABSTRACT:
A particulate graft polymer comprising
A: from 30 to 80% by weight of one or more elastomeric polymers A having a mean particle size of from 30 to 1000 run, comprising, based on A,
A1: from 85 to 99.8% by weight of one or more alkyl acrylates A1 having from 1 to 8 carbon atoms in the alkyl radical,
A2: from 0.1 to 5% by weight of one or more polyfunctional, crosslinking monomers A2, and
A3: from 0.1 to 10% by weight of one or more monomers A3 containing one or more acid groups, or
A11: up to 100% by weight of a diene A11,
A12: up to 50% by weight of one or more vinyl-aromatic monomers A12,
A13: up to 10% by weight of one or more monomers A13 containing one or more acid groups, as the graft base, and
B: from 20 to 70% by weight of a shell B grafted onto the elastomeric polymer A and comprising, based on B,
B1: from 50 to 89.9% by weight of one or more vinylaromatic monomers B1,
B2: from 10 to 49.9% by weight of one or more polar, copolymerizable, ethylenically unsaturated monomers B2, and
B3: from 0.1 to 10% by weight of one or more monomers B3 containing one or more basic groups.

REFERENCES:
patent: 3055859 (1962-09-01), Vollmert
patent: 4393164 (1983-07-01), McKee et al.
patent: 4634734 (1987-01-01), Hambrecht et al.
patent: 4764563 (1988-08-01), Meredith et al.
patent: 4788253 (1988-11-01), Hambrecht et al.
patent: 4912162 (1990-03-01), Kishida et al.
patent: 5120788 (1992-06-01), Seitz et al.

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