Preparation of ethylene-acrylic acid copolymer or salt thereof

Details Preparation of ethylene-acrylic acid copolymer or salt thereof Preparation of ethylene-acrylic acid copolymer or salt thereof

1985-06-24

1987-01-20

Schofer, Joseph L.

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

Synthetic resins

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

5253306, C08F 800

Patent

active

046380345

ABSTRACT:
Ethylene-acrylic acid copolymers or salts thereof are prepared by first preparing an ethylene-alkyl acrylate copolymer, saponifying such ethylene-alkyl acrylate copolymer in the molten state, in the absence of solvent or water other than by-product alkanol, with selected metal hydroxides to form alkanol and a salt, or an ionomer, of ethylene-acrylic acid copolymer, and optionally acidifying such salt to form ethylene-acrylic acid copolymer.

REFERENCES:
patent: 2451178 (1948-06-01), Semegen
patent: 2865898 (1958-12-01), Hiatt et al.
patent: 3029228 (1962-04-01), Glavis
patent: 3547858 (1970-12-01), Worrall
patent: 3876452 (1975-04-01), Anspon et al.
patent: 3943111 (1976-03-01), Fritze et al.
patent: 3970626 (1976-07-01), Hurst et al.
patent: 4394483 (1983-07-01), Hobes et al.

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