Block copolymer latex composition

Chemistry of carbon compounds – Miscellaneous organic carbon compounds

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Other Related Categories

260 297NR, 260 297W, 260 297H, 260 297T, 260 297EM, 260 297PT, 260 5, 525 95, 525 96, 525 98, 525 99, C08L 5300

Type

Patent

Status

active

Patent number

041994906

Description

ABSTRACT:
A block copolymer latex composition comprising (A) an aqueous latex containing at least one of block copolymers consisting of conjugated diolefin blocks and monovinyl-substituted aromatic compound blocks prepared by solution-polymerization, and having a molecular weight of 5,000 to 500,000 and a content of monovinyl-substituted aromatic compound of 10 to 70% by weight, and (B) a latex of rubber system, latex of synthetic resin system or a mixture thereof, the composition containing 5 to 87% by weight of (A) and 95 to 13% by weight of (B) in terms of solid matters, has very superior film-forming properties and provides films having improved strength.

REFERENCES:
patent: 3265765 (1966-08-01), Holden et al.
patent: 3293197 (1966-12-01), Vincent et al.
patent: 3304281 (1967-02-01), Tucker
patent: 3458602 (1962-12-01), Pollock
patent: 3539475 (1970-11-01), Yoshioka et al.
patent: 3700757 (1972-10-01), LaHeij et al.
patent: 3878153 (1975-04-01), Driscoll
Blackley, High Polymer Latices, I, (Applied Science 1966), pp. 265-266.

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