Aqueous dispersion of olefin resins and continuous process for p

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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264176R, 264185, 264349, C08L 2904

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active

043200419

ABSTRACT:
Aqueous dispersions of olefin resins having a low film-forming temperature can be continuously produced by homogeneously mixing a mixture composed of olefin resin, partially saponified polyvinyl alcohol and water by means of an extruder having a multi-screw, and extruding the resulting dispersion.
If partially saponified polyvinyl alcohol in which residual acetic acid groups are blocked is used, the film-forming temperature thereof is effectively lowered.

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patent: 4043961 (1977-08-01), Beresiewicz et al.
patent: 4126729 (1978-11-01), Richardson et al.
patent: 4201802 (1980-06-01), Vande Kieft

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