Copolyamides

Details Copolyamides Copolyamides

C - Chemistry, Metallurgy

08

G

402/229

C08G 69/36 (2006.01) C09J 3/16 (1980.01)

Patent

CA 1076742

ABSTRACT OF THE DISCLOSURE: Copolyamides which are manufactured using A) from 1 to 60 parts by weight of a cyclic lactam of 6 to 12 carbon atoms and/or an .omega.-aminocarboxylic acid of 6 to 20 carbon atoms and B) from 40 to 99 parts by weight of the salt of at least two different dicarboxylic acids of the general formula HOOC-R-COOH where R is an aliphatic and/or cycloaliphatic radical of 4 to 46 carbon atoms and/or terephthalic acid and/or isophthalic acid and/ or phenylenediacetic acid with (a) cycloaliphatic and/or aliphatic diamines of 4 to 20 carbon atoms, which possess at least one secon- dary amino group and (b) optionally, up to 0.3 equivalent of primary .alpha.,.omega. -diamines of 2 to 20 carbon atoms, are excellent hot-melt ad- hesives.

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