Patent ID: 7057008
Filing Date: 2006-06-06
Classification: C08G,C08J,C11D,Y10T

Abstract:
1. A packaging material comprising a water-soluble polyamide copolymer with a solubility in water at 23 C of at least 1.0 weight percent and derived from the reaction of adipic acid and ether diamines with caprolactam and/or one or more alkylene diamines, wherein the ether diamines have a molecular weight of 148 to 396 and are represented by the general formulas wherein R 1 and R 2 are either —CH 2 —CH 2 — or —CH 2 —CH 2 —CH 2 —; wherein R 1 is either —CH 2 —CH 2 — or —CH 2 —CH 2 —CH 2 — and X has an average value of 2 to 6; and mixtures thereof.