Patent ID: 6495622
Filing Date: 2002-12-17
Classification: C07C,C08K,C08L

Abstract:
A composition comprisingA) a polyolefin or polyolefin copolymer, and B) as stabilizer against damage by light, oxygen and/or heat a compound of the formula I whereinR1 is O or Oâ€”Xâ€”O; R2, R3, R4 and R5 independently are hydrogen, halogen, C1-C8alkyl, C1-C8alkoxy, SR10, SO2R10, phenyl, CF3, COOR11; and wherein R2 and R3 also may be OH; R6 and R7 are H or C1-C8alkyl; R8 and R9 are H, C1-C8alkyl or allyl; R10 is phenyl or C1-C12alkyl; R11 is C1-C8alkyl; C3-C50alkylene interrupted by O; or R11 is cyclohexyl; benzyl; or allyl; X is C2-C18alkylene; C3-C12hydroxyalkylene; or a group selected from those of the formulae â€ƒwhere D and Dâ€² independently are a direct bond or C1-C3alkylene; and Y is O, S, SO2, or C1-C3alkylene.