Patent ID: 8741972
Filing Date: 2014-06-03
Classification: B29B,C08J,C08L,D01D,D01F,D06N,D10B,Y02P,Y02W,Y10T

Abstract:
1. An extruded polymer composition comprising polyethylene terephthalate present as from about 25% to about 100% homogeneously blended deposit post-consumer polyethylene terephthalate by weight and balance virgin polyethylene terephthalate, wherein the homogeneously blended deposit post-consumer polyethylene terephthalate comprises impurities absent from virgin polyethylene terephthalate; wherein the impurities comprise floatable contamination in an amount less than 15 ppm, PVC contamination in an amount less than 50 ppm, green PET contamination in an amount less than 1000 ppm, and black PET contamination in an amount less than 25 ppm, and wherein the homogeneously blended deposit post-consumer polyethylene terephthalate comprises one or more of the following specifications: bulk density (lb/ft 3 ) of 20-27 and pressure rise (psi per pound) of <75 psi/lb.