Polyamides of 1,4-cyclohexane dicarboxylic acid and...

Details Polyamides of 1,4-cyclohexane dicarboxylic acid and... Polyamides of 1,4-cyclohexane dicarboxylic acid and...

C - Chemistry, Metallurgy

08

G

402/237

C08G 69/26 (2006.01) D01F 6/60 (2006.01) D01F 6/78 (2006.01)

Patent

CA 1061938

POLYAMIDES OF 1,4-CYCLOHEXANE DICARBOXYLIC ACID AND 5-METHYL-1,9-NONANEDIAMINE AND FIBERS THEREOF ABSTRACT OF THE DISCLOSURE A new polyamide composed at least primarily of 1,4-cyclohexane dicarboxylic acid and 5-methyl-1,9-nonanediamine, the polyamide having less than 5 olefinic double bonds per 100 diamine units, an inherent viscosity of at least about 0.6, a polymer melt temperature of at least about 200°C, a Tg in the range of about 90 to about 130°C, and a Tm in the range of about 260°C to about 310°C can be formed into fibers without the use of plasticizers. Such fibers can be produced with a boiling water shrinkage of less than 30 percent.

202778

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