Method of adhering textiles with a polyamide melt adhesive

Abstract

A polyamide melt adhesive having a melt viscosity, measured at 220.degree. C., of 25-600 Pas and adaptable for the adhesion of textiles, said polyamide comprising A. 1. dimerized fatty acid having a content of 70-100 percent by weight of dimeric fatty acid, and optionally comprising 2. a monocarboxylic acid as a molecular-weight regulator (chain stopper), whereby up to 50 equivalent percent of the total carboxy groups of the mixture (a) (1) and (2) can be derived from the monocarboxylic acid; and comprising B. one or more aliphatic straight chain co-dicarboxylic acids having 6-13 carbon atoms, wherein the ratio of carboxylic acids according to (a) (1) and (2) to carboxylic acid according to (b) is from 0.05:1 to 5:1, calculated on the carboxy groups; and further comprising in an amount approximately equivalent to the acids mentioned under (a) and (b) above C. an aliphatic straight chain diprimary diamine having 6-12 carbon atoms, and D. caprolactam and/or .epsilon.-aminocaproic acid, wherein from 0.5 to 1.5 mols of caprolactam and/or .epsilon.-aminocaproic acid are employed per mol of carboxy groups of the acids mentioned under (a) and (b) above.

Dependencies are inferred from the claim text.