C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
C08K 13/02 (2006.01) C08K 3/16 (2006.01) C08K 3/24 (2006.01) C08K 5/16 (2006.01) C08K 5/17 (2006.01) C08K 5/21 (2006.01) C08K 5/3417 (2006.01) C08L 57/08 (2006.01)
Patent
CA 2435035
The invention relates to stabilizer systems, containing at least: a) a perchlorate salt; b) at least one or more compounds from the group consisting of carbamides, indole derivatives and enamines of formula (I), wherein n = 1 or 2 and X = O or NR1; n = 3 - 6 and X = O; R1 = H, C1-C4-alkyl, C2-C6- alkenyl, C6-C10-aryl, C7-C18-alkaryl or C7-C18-aralkyl; R2 (if n = 1) = C1-C22- alkyl, C2-C22-alkenyl or aryl, preferably phenyl, optionally substituted with up to 3 hydroxy, C1-C4-alkoxy or C1-C9-alkyl; or R2 (if n = 2 - 6) = linear or branched C1-22-alkylene, optionally interrupted by one or more O or S atoms, wherein R 2 (if n = 3) can also be a C2-C3-alkyl trisubstituted isocyanurate; if X = NH R2 can also be H. Said stabilizer systems are suitable for stabilizing halogen-containing polymers, more particularly PVC.
L'invention concerne des systèmes stabilisateurs contenant au moins a) un sel de perchlorate et b) au moins un composé des groupes des carbamides, des dérivés d'indol et des énamines de la formule (I) où n = 1 ou 2 et X = O ou NR?1¿, n = 3 - 6 et X = O; R?1¿ = H, C¿1?-C¿4?-alkyle, C¿2?-C¿6?-alcényle, C¿6?-C¿10?-aryle, C¿7?-C¿18?-alkaryle ou C¿7?-C¿18?-aralkyle; R?2¿ (si n = 1) = C¿1?-C¿22?-alkyle, C¿2?-C¿22?-alcényle ou aryle, de préférence phényle, éventuellement substitué par maximum 3 hydroxy, C¿1?-C¿4?- alcoxy ou C¿1?-C¿9?-alkyle; ou R?2¿ (si n = 2 - 6) = C¿1-22?-alkylène linéaire ou ramifié, éventuellement interrompu par au moins 1 atome d'oxygène ou de soufre, R ?2¿ (si n = 3) pouvant également représenter un isocyanurate trisubstitué par C¿2?-C¿3?-alkyle; si X = NH, R?2¿ peut également représenter H. Ces systèmes stabilisateurs conviennent pour stabiliser des polymères halogénés, notamment des PVC.
Friedrich Hans-Helmut
Wehner Wolfgang
Crompton Vinyl Additives Gmbh
Fetherstonhaugh & Co.
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