A soil release promoting copolymer of poly(ethylene terephthalate/ethylene isophthalate) and poly(oxyethylene terephthalate/oxyethylene isophthalate) having a weight average molecular weight in the range of 6,000 to 40,000 is prepared by reacting an ethylene terephthalate/ethylene isophthalate copolymer...http://www.google.fr/patents/US4999128?utm_source=gb-gplus-shareBrevet US4999128 - Soil release polymers having improved performance, stability and economy
Soil release polymers having improved performance, stability and economy
