| 摘要 |
A stabiliser combination, mainly for PVC, is described, comprising (A) at least one compound of formula I wherein R*l and R*2 are each independently of the other Cl-C12alkyl, C3- C6lkenyl, C5-C8cycloalkyl that is unsubstituted or substituted by from 1 to 3 Cl-C4alkyl, Cl-C4alkoxy, C5-C8cycloalkyl or by hydroxy groups or by chlorine atoms, or C7-C9phenylalkyl that is unsubstituted or substituted at the phenyl ring by from 1 to 3 Cl-C4alkyl, Cl-C4alkoxy, C5-C8cycloalkyl or by hydroxy groups or chlorine atoms, and R*l and R*2 may additionally be hydrogen and Cl-C12alkyl, and Y is S or O, and (B) at least one compound from the following groups: (B1) perchlorate compounds, (B2) glycidyl compounds, (B3) beta-diketones and beta-keto esters, (B4) dihydropyridines and polydihydropyridines, (B5) polyols and disaccharide alcohols, (B6) sterically hindered amines (tetraalkylpiperidine compounds), (B7) alkali aluminosilicates (zeolites), (B8) hydrotalcites, (B9) alkali aluminocarbonates (dawsonites), (B10) alkali- (or alkaline earth-) carboxylates, -(bi)carbonates or -hydroxides, (B11) antioxidants and lubricants and (B12) organotin stabilisers. |
