Thermoplastic moulding compositions of cellulose ester graft cop

Details Thermoplastic moulding compositions of cellulose ester graft cop Thermoplastic moulding compositions of cellulose ester graft cop

1980-12-12

1982-11-23

Kight, III, John

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

Synthetic resins

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

525 5421, 525 5423, 525 543, 52623821, 527311, 527313, 527314, C08L 5100, C08F29106

Patent

active

043606350

ABSTRACT:
Transparent thermoplastic moulding compositions having improved mechanical properties consist of graft copolymers or mixtures thereof with a cellulose ester of aliphatic C.sub.1 -C.sub.5 carboxylic acids, wherein the graft copolymers consist of an ethylene vinyl ester copolymer and a cellulose ester of aliphatic C.sub.1 -C.sub.5 -carboxylic acids as the graft substrate, at least part of which being bridged with polymerized grafted units of vinyl esters and/or alkyl esters of acrylic and/or methacrylic acid, and, optionally, C.sub.2 -C.sub.4 -olefins.

REFERENCES:
patent: 2787602 (1957-04-01), Groves
patent: 3088791 (1963-05-01), Cline et al.
patent: 3645939 (1972-02-01), Gaylord
patent: 3682850 (1972-08-01), Coates
patent: 4267090 (1981-05-01), Heimberg et al.

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