Particulate graft copolymer and thermoplastic molding materials

Details Particulate graft copolymer and thermoplastic molding materials Particulate graft copolymer and thermoplastic molding materials

1993-12-13

1995-08-01

Buttner, David

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

Synthetic resins

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

525 68, 525 71, 525 73, 525 77, 525 78, 525 79, 525279, 525281, 525287, 525291, 525293, 525301, 525303, C08L 5104, C08F29102, C08F26504

Patent

active

054380995

ABSTRACT:
Abstract of the disclosure: A particulate graft copolymer comprises 30 to 90% by weight of at least one elastomeric grafting base A having a weight average particle size of from 30 to 1,000 nm comprising, based on A, 85 to 99.8% by weight of at least one alkyl acrylate A11 having 1 to 8 carbon atoms in the alkyl radical, 0.1 to 5% by weight of at least one polyfunctional, crosslinking monomer A12, and 0.1 to 10% by weight of at least one hydroxyalkyl acrylate or hydroxyalkyl methacrylate A13 or at least 50% by weight of one or more dienes A111, up to 50% by weight of one or more ethylenically unsaturated monomers A112, and 0.1 to 10% by weight of at least one hydroxyalkyl acrylate or hydroxyalkyl methacrylate A113 and
10 to 70% by weight of a graft sheath B comprising, based on B, up to 99.9% by weight of at least one aromatic vinyl monomer B1, up to 99.9% by weight of at least one polar, copolymerizable, ethylenically unsaturated monomer B2, and 0.1 to 20% by weight of at least one monomer B3 containing one or more basic or acid groups.

REFERENCES:
patent: 3055859 (1962-09-01), Vollmert
patent: 3793282 (1974-02-01), Fock et al.
patent: 4138450 (1979-02-01), Fock
patent: 4612347 (1986-09-01), Eichenauer et al.
patent: 4668737 (1987-05-01), Eichenauer et al.
patent: 5252666 (1993-10-01), Seitz

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