Patent ID: 8669297
Filing Date: 2014-03-11
Classification: B29B,B29L,D06N,Y02P,Y02W,Y10T

Abstract:
1. A method of making a textile backing from post-consumer textile backing waste and post-industrial polymeric waste, the method comprising: forming the post-consumer textile backing waste, wherein forming the post-consumer textile backing waste comprises processing the post-industrial polymeric waste, the post-industrial polymeric waste comprising up to 100 wt % compounded polyvinyl chloride; delivering the post-consumer textile backing waste in the shredded condition to an extruder, wherein the post-consumer textile backing waste is delivered to the extruder in the shredded condition without being granulated or densified; extruding a mixture comprising from about 1 to about 3% blowing agent and from about 97 to about 99% combined polymeric waste, wherein the combined polymeric waste comprises from about 40 to about 100 wt % of the post-consumer textile backing waste and from 0 to about 60 wt % of the processed post-industrial polymeric waste; and heating the extruded mixture to a temperature above an activation temperature of the blowing agent to form the textile backing.