| 摘要 |
New diorganosiloxane compounds (1) and (2) with a 4,4-diarylbutadiene group singly or as a mixture and a composition comprising them. The diorganosiloxanes are of Formula (1) or Formula (2). [Image] A : a residue of formula (3); R 1OH, 1-10C alkyl or alkoxy; R 1+R 11-3C alkylene dioxy cycle; R 2, R 3, R 41-10C alkyl optionally comprising one or more halogen, phenyl; p : 0,1; A : H, 1-8C alkyl, phenyl, Si(CH 3) 3; n : 0, 2; Z 1H, -(C=O)OR 2, -(C=O)R 3, -(C=O)NR 4R 5, - SO 2R 6, -CN, -(C=O)-X-L; R 5H, 1-20C alkyl; R 61-20C optionally cyclic alkyl, 6- 12C aryl; R 7, R 8H, 1-20 C alkyl; X : -O-, -NR 4-; L : -CH 2-C(Y 1)-(W 1) p-, CH=CH-(W 1) p-, C(=CH 2)-(W 1) p-; W 11-6C alkylene optionally substituted with OH or 1-8C alkyl; Y 1H, 1-8C alkyl; p : 0,1; R : 1-20C alkyl, phenyl, trifluoro-3,3,3-propyl, trimethylsilyloxy; B 1R, A; r : 0-50; s : 0-20; u : 1-6; t : 0-10; t+u : 3 or more; R 2H, 1-20C alkyl; R 3, R 61-20C alkyl, 6-12C aryl; and R 4, R 5H, 1-20C alkyl. [Image] Provided that if s is 0 then at least one of B is A. If 2 (C+O)-X-L are present L is only linked to one group A or B. Independent claims are included for the use of the claimed compounds (1) as agents to control variations in skin color caused by UV radiation of wavelength 320-400 nm; (2) as photostabilizers for polymers or glasses. |
