Water retention aids

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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Details

5263182, C08F22202, C08K 1302, C08L 3106

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active

047805005

ABSTRACT:
Copolymers of (1) from about 80% to about 98% by weight of acrylic acid and (2) from about 2% to about 20% by weight of itaconic acid and having a weight average molecular weight of between about 100,000 to about 800,000 and which are at least water dispersible are useful as retention aids for paper coating compositions.

REFERENCES:
patent: 4016124 (1977-04-01), Crisp
patent: 4143018 (1979-03-01), Crisp
patent: 4167502 (1979-09-01), Lewis
patent: 4425452 (1984-01-01), Nakata et al.
Paper Coating Additives--Landes et al., (TAPPI Press--1978), pp. 74, 75 and 78.
Encyclopedia of Chemical Technology, Kirk-Othmer, (Third Edition, 1981), vol. 16, p. 822.
Paper Coating Additives Description of Functional Properties and List of Available Products and Suppliers, CA Report No. 48 (Mar. 1973--Technical Association of the Pulp and Paper Industry), pp. 23 and 24.

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