B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
154/140
B32B 27/08 (2006.01) B32B 27/18 (2006.01) C08K 5/00 (2006.01)
Patent
CA 1152882
Abstract of the Disclosure The invention relates to obtaining weather- ability or U.V. light stability in vinyl polymeric translucent and transparent materials, which are des- igned for use in corrugated roofing, films for green- houses and the like, and provides a composite of a vinyl polymeric material, where the main material or substrate is a transparent or translucent vinyl polymer capped with a plasticized vinyl polymer containing a clear U.V. light absorber or stabilizer, for example, l-cyano-2,2-diphenyl ethylacrylate, having excellent weatherability, preferably a poly vinyl chloride substrate is capped with a thin film of a plasticized poly vinyl chloride capstock containing a high level of a clear U.V. light absorber and the U.V. stabilizer is concentrated at the surface of the composite.
384934
Rabinovitch Elvira B.
Summers James W.
Goodrich (b.,f.) Company (the)
Sherman
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