Fast setting water sensitive polyamides having a high tg

D - Textiles – Paper – 21 – H

Patent

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D21H 23/04 (2006.01) C08G 69/40 (2006.01) C09J 7/04 (2006.01) C09J 177/00 (2006.01) C08L 77/02 (2006.01)

Patent

CA 2297128

The present invention relates to a fast setting water sensitive polyamide composition which is the reaction product of at least one reactant which is a dicarboxylic acid, ester or anhydride thereof and at least one reactant is a diamine wherein at least one of said diamines is polyoxyalkylene diamine and at least one of said other reactants is aromatic and said polyamide composition has a Tg of greater than about 15 ~C and a .DELTA.H greater than 0 Joules/gram.

La présente invention traite d'une composition polyamide sensible à l'eau et à fixation rapide qui est le produit réactionnel d'au moins un réactif acide dicarboxylique, ester ou anhydride de cet acide, et d'au moins un réactif diamine. Au moins l'une de ces diamines est une diamine de polyoxyalkylène et au moins l'un desdits autres réactifs est aromatique. Ladite composition polyamide présente une température de transition vitreuse (T¿g?) supérieure à environ 15 ·C et une enthalpie .DELTA.H supérieure à 0 Joule/gramme.

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