Patent ID: 6140423
Filing Date: 2000-10-31
Classification: C08L

Abstract:
A chlorinated vinyl chloride resin composition for use in the production of an extruded pipe comprising100 wt. parts of a chlorinated vinyl chloride resin which has a polymerization degree of from 600 to 1500 prior to chlorination and a chlorination degree of from 62 to 70 wt. %,3 to 15 wt. parts of methyl methacrylate-butadiene-styrene copolymer particles having a butadiene content of less than 60 wt. % and a styrene content of larger than 30 wt. % in the whole particles, and1 to 5 wt. parts of a chlorinated polyethylene having a chlorine content of from 10 to 50 wt. %,wherein said methyl methacrylate-butadiene-styrene copolymer particles have an average dispersed particle size of 2,000 angstroms or less in an extruded pipe produced from said composition.