Copolyamide of branched c10 diamine,...

Details Copolyamide of branched c10 diamine,... Copolyamide of branched c10 diamine,...

C - Chemistry, Metallurgy

08

G

402/223

C08G 69/32 (2006.01)

Patent

CA 1076741

25328 COPOLYAMIDE OF BRANCHED C10 DIAMINE, BIS(4-AMINOCYCLOHEXYL)- ALKANE, ISPHTHALIC ACID AND TEREPHTHALIC ACID Abstract of the Disclosure A normally solid, transparent, amorphous polyamide having: first diamine-derived primary structural units of the formula Image wherein each A is individually selected from the group consisting of 5-methyl- nonamethylene, 2,4-dimethyloctamethylene, 2,4,6-trimethylheptamethylene and 4-isopropylheptamethylene; second diamine-derived primary structural units of the formula Image wherein each R is individually selected from the group consisting of hydrogen and methyl; first diacid-derived primary structural units of the formula Image ; and second diacid-derived primary structural units of the formula Image ; and process of preparation thereof. Other diamine-derived structural units and/or diacid-derived structural units can be present in small amounts.

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