Patent ID: 9028734
Filing Date: 2015-05-12
Classification: B29B,B29K,C08J

Abstract:
1. A process for producing fragrance-free pellets having a limonene content of less than about 320 parts per billion from post-consumer recyclable (PCR) polyolefin plastic comprising the steps, performed in the following sequence, of (i) extruding odiferous PCR polyolefin chips to form odiferous pellets; (ii) contacting the odiferous pellets with hot air at a temperature of about 50° C. to about 125° C. for about 3 to about 10 hours in a vessel to form fragrance-free pellets; (iii) flowing the fragrance-free pellets vertically downward to a common outlet; and (iv) discharging the fragrance-free pellets in discrete slugs from the vessel in sequential controlled quantities.