| 摘要 |
PURPOSE:To provide a vinyl chloride resin compsn. which gives a tube, hose, sheetlike molding, gasket, or packing having enhanced heat resistance to instantaneous high-temp. CONSTITUTION:The compsn. comprises 100 pts.wt. vinyl chloride resin having an average degree of polymn. of 500-4,000, 40-200 pts.wt. plasticizer, and 5-40 pts.wt. organopolysiloxane of the general formula: (R<1>)a(R<2>)bSiO(4-a-b)/2 (wherein R<1> is an epoxy-modified 1-16C alkyl group; R<2> is H or a 1-20C monovalent hydrocarbon group provided there may be R<2>'s which are the same or different from each other; and a and b are each an integer satisfying the relations: 0<a<=1 and 1.95<=a+b<=3). |
