Aqueous emulsions comprising polyvinyl butyral

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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523336, 524366, 524376, 524377, 524378, 524379, 524389, 524503, 524512, 524513, 524517, 524557, 524589, 524591, 524839, 4273722, 4273855, C08J 300, C08K 320, C08L 7500, C08L 2904

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055256694

ABSTRACT:
Aqueous emulsions which include polyvinyl butyral are prepared by mixing a nonionic emulsifier with polyvinyl butyral and, if desired, with a plasticizer resin and, if desired, with one or more solvents, and adding water under the action of shear forces.

REFERENCES:
patent: 2509667 (1950-05-01), Ballinger
patent: 2532223 (1950-11-01), Bromley, Jr.
patent: 2611755 (1952-09-01), Bromley, Jr.
patent: 2686724 (1954-08-01), Chenicek
patent: 3234161 (1966-02-01), Snelgrove et al.
patent: 4886845 (1989-12-01), Becker et al.
Derwent Publications, Ltd., AN 79-53570B and JP-A-54 072 255, published Jun. 9, 1979.
Derwent Publications, Ltd., AN 72-78296T and JP-B-53 035 980, published Sep. 29, 1978.

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