| 摘要 |
<p>1535647 Rubber latex-polyvinyl chloride compositions UNIROYAL Inc 27 Oct 1977 [27 Oct 1976] 44765/77 Heading C3M [Also in Division B2] Carpet backsizing compositions comprise (1) an aqueous rubber latex having dispersed therein (2) polyvinyl chloride resin particles of size 10-350 microns, in a ratio of rubber solids to resin of 90 : 10 to 50 : 50. The rubber may be a butadiene/styrene/itaconic acid copolymer and the compositions may also contain 100- 1000 parts filler per 100 parts rubber and resin.</p> |
