| 摘要 |
1,219,163. Stabilized P.V.C. based composition. TENNECO CHEMICALS Inc. 25 Oct., 1968 [25 Oct., 1967], No. 50862/68. Heading C3P. [Also in Division C2] A composition comprises 100 parts by weight of polyvinyl chloride, 15 parts by wt. of an acrylonitrile-butadiene-styrene terpolymer, 4 parts by wt. of polyacrylonitrile, 1À35 p.b.w. of glyceryl monoricinoleate, 0À5 p.b.w. of stearyl stearate, 0À001 p.b.w. of blue dye and 2 parts by weight of the basic stabilizer, dibutyltin-bis- (thiobenzoate) of the formula The mixture is blended and rolled into sheets, which are tested for colour stability. |
