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SALT RESISTANT POLYAMIDE COMPOSITION AND ARTICLE COMPRISING SAID COMPOSITION AND ITS USE
SALT RESISTANT POLYAMIDE COMPOSITION AND ARTICLE COMPRISING SAID COMPOSITION AND ITS USE
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机译:耐盐聚酰胺组合物和包含所述组合物的制品及其用途
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摘要
A salt resistant composition comprising a polyamide selected from the group consisting of: polyepsiloncaprolactam, polyhexamethylene adipamide; copolymers of caprolactam, hexamethylene diamine, and adipic acid; and mixtures thereof. The composition contains from 2 to 30 percent, and preferrably 4 to 30 percent based on the weight of the polyamide of a water insoluble plasticizer, and a copolymer of an alpha-olefin and an unsaturated carboxylic acid and derivatives thereof. The plasticizer has been found to enable the polyamide composition to maintain its flexibility upon exposure to a variety of salts. Preferred plasticizers include lauryl lactam and sulfonamides. Preferred are sulfonamide type plasticizers such as n-ethyl o,p-toluenesulfonamide; o,p-toluene sulfonamide, and toluene sulfonamide formaldehyde resin. The invention includes articles made from the composition.
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