UV USE OF SILANE AND SILOXANE BISBIPHENYLTRIAZINE DERIVATIVES AS UV ABSORBERS

摘要

Discloses the use of silane and siloxane bis (biphenyl) triazine derivatives of formula 1 as UV absorbers. Formula 1 In this formula, n is a number from 1 to 4; When n = 1, X is * -L-Sil; Or Lt; / RTI L is a chemical formula 2 Lt; / RTI R ₁ , R ₂ , R ₃ are independently of each other C ₁ -C ₂₂ alkyl; C ₆ -C ₂₀ aryl; C ₁ -C ₂₂ alkoxy; Or OC ₆ -C ₂₀ aryl; R ₄ , R ₅ , R ₆ and R ₇ are independently of each other hydrogen; C ₁ -C ₂₂ alkyl; C ₆ -C ₂₀ aryl; C ₁ -C ₂₂ alkoxy; Or OC ₆ -C ₂₀ aryl; b is a number from 0 to 30; c is a number from 0 to 6; d is a number from 0 to 1; p is a number from 1 to 250; q is a number from 0 to 250; Sil, Sil ₁ and Sil ₂ are, independently of each other, a silane-, oligosiloxane or polysiloxane moiety; When n = 2, X is RTI ID = ; Or 1b Lt; / RTI x is a number from 2 to 250; y is a number from 0 to 250; z is a number from 1 to 50; When n = 3, X is a trivalent radical containing a silane-, oligosiloxane or polysiloxane moiety; When n = 4, X is Lt; / RTI A is a group of formula Lt; / RTI