Copolyamide, composition containing such copolyamide and use...

C - Chemistry – Metallurgy – 08 – G

Patent

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Details

C08G 69/36 (2006.01) C08G 69/26 (2006.01) C08L 77/00 (2006.01) C08L 77/06 (2006.01) C09J 101/00 (2006.01) C09J 103/00 (2006.01) C09J 103/02 (2006.01) C09J 177/00 (2006.01) C09J 177/06 (2006.01)

Patent

CA 2678023

The invention relates to a copolyamide containing at least two patterns and of the general formula A/(Cz diamine). (Cw diacid), in which : z is the number of carbon atoms of the diamine and w is the number of carbon atoms of the diacid; and A is selected from a pattern obtained from an amino acid and a pattern of the general formula (Cx diamine). (Cy diacid), wherein x is the number of carbon atoms of the diamine and y is the number of carbon atoms of the diacid; the amino acid, each diamine and each diacid being obtained from a renewable raw material according to the ASTM D6866 standard. The invention also relates to a composition containing the copolyamide, and to the use of this copolyamide and of the composition, essentially for producing thermofusible glues, in any form thereof.

La présente invention concerne un copolyamide comprenant au moins deux motifs et répondant à la formulation générale A/(diamine en Cz). (diacide en Cw), dans laquelle : z représente le nombre de carbones de la diamine et w représente le nombre de carbones du diacide, et A est choisi parmi un motif obtenu à partir d'un aminoacide et un motif répondant à la formule (diamine en Cx). (diacide en Cy), avec x représentant le nombre de carbones de la diamine et y représentant le nombre de carbones du diacide, l'aminoacide, chaque diamine et chaque diacide étant obtenus à partir d'une matière première renouvelable selon la norme ASTM D6866. L'invention concerne également une composition comprenant ce copolyamide ainsi que l'utilisation de ce copolyamide et d'une telle composition, notamment pour fabriquer des colles thermofusibles, dans toutes leurs formes.

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