PROCEDIMIENTO DE FABRICACION, EN UNA SOLA OPERACION, DE OB- JETOS DE RESINA VINILICA ARMADOS DE FIBRAS DE VIDRIO.

摘要

1498450 Glass fibre-reinforced vinyl resins PRODUITS CHIMIQUES UGINE KUHLMANN 2 Sept 1975 [13 Sept 1974] 36126/75 Heading C3P An extrusion composition comprises 100 parts by wt. of a vinyl resin of viscosity index 50- 180, 10-60 parts of a mineral filler of 0À05 to 50 micron particle size, 1-5 parts of at least one lubricant and 5-40 parts of glass fibres. In the examples the vinyl resin used is polyvinyl chloride, the mineral fillers are calcium carbonate, calcium magnesium-aluminosilicate and the lubricants are liquid paraffin, glycerol monostearate, oxidized polyethylene wax, 1,2- hydroxystearic acid. Calcium stearate, barium/cadmium laurate, dibasic lead phosphite, dibasic lead stearate, an organic phosphite, and tin butyl mercaptide are also used.