C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/6550, 117/47
C08L 27/06 (2006.01) C08F 265/04 (2006.01)
Patent
CA 2012829
ABSTRACT OF THE DISCLOSURE An elasticized, dispersion-grade vinyl chloride resin powder is pro- vided which not only imparts improved elasticity and reduced hysteresis losses to fluid plastisols made therewith, but also has excellent stability under adverse environmental conditions, insuring consistent performance in plastisols even after said powder has been in storage for several months. This resin powder has an average particle size between about 0.4 and about 4 microns and contains between about 0.5 and about 20% by weight of an elaso- meric acrylic polymer having a Tg below about -10°C which is present as discrete particles most of which are at least partly occluded by hard thermo- plastic vinyl chloride polymer formed in situ, which vinyl chloride polymer represents substantially all of the remaining mass of said powder. Fluid plastisols prepared from said resin powder are also described as well as finished articles of improved resiliency and elasticity, which are made from said plastisols. Also disclosed, are preferred methods of preparing said elasticized resin powders.
Mikofalvy Bela K.
Poledna David J.
Goodrich (b.,f.) Company (the)
Mikofalvy Bela K.
Poledna David J.
Swabey Ogilvy Renault
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