Inherently light- and heat-stabilized polyamides

Details Inherently light- and heat-stabilized polyamides Inherently light- and heat-stabilized polyamides

C - Chemistry, Metallurgy

08

G

C08G 69/04 (2006.01) C08G 69/48 (2006.01) C08K 5/3435 (2006.01) C08L 77/00 (2006.01) D01F 6/60 (2006.01)

Patent

CA 2187821

The invention relates to a process for the production of inherently light- and heat-stabilized polyamides, in which polymerisation and polycondensation take place in the presence of at least one tri-acetone diamine compound of formula (I), wherein R is hydrogen or hydrocarbon groups with 1-20 carbon atoms, preferably a1kyl groups with 1-18 carbon atoms, or.a benzyl group.

L'invention concerne un procédé de production de polyamides intrinsèquement stables à la lumière et à la chaleur. La polymérisation ou la polycondensation s'effectue en présence d'au moins un composé diamine de triacétone de la formule (I) dans laquelle R désigne hydrogène ou des restes d'hydrocarbure ayant entre 1 et 20 atomes de C, de préférence des groupes alkyle ayant entre 1 et 18 atomes de C ou un groupe benzyle.

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