US 7,446,158 B2
Curable composition
Toshihiko Okamoto, Takasago (Japan); and Katsuyu Wakabayashi, Settsu (Japan)
Assigned to Kaneka Corporation, Osaka (Japan)
Appl. No. 11/579,726
PCT Filed Apr. 25, 2005, PCT No. PCT/JP2005/007803
§ 371(c)(1), (2), (4) Date Nov. 06, 2006,
PCT Pub. No. WO2005/108494, PCT Pub. Date Nov. 17, 2005.
Claims priority of application No. 2004-139110 (JP), filed on May 07, 2004; application No. 2004-139111 (JP), filed on May 07, 2004; application No. 2004-146972 (JP), filed on May 17, 2004; application No. 2004-146973 (JP), filed on May 17, 2004; application No. 2004-146974 (JP), filed on May 17, 2004; application No. 2004-146976 (JP), filed on May 17, 2004; and application No. 2004-146977 (JP), filed on May 17, 2004.
Prior Publication US 2007/0219299 A1, Sep. 20, 2007
Int. Cl. C08F 30/08 (2006.01)
U.S. Cl. 526—279  [516/319; 516/328] 20 Claims
 
1. A curable composition comprising:
(A) an organic polymer having a silicon-containing group capable of crosslinking by siloxane bond formation, which polymer is a polyoxyalkylene polymer and/or a (meth)acrylate polymer,
(B) a titanium chelate represented by the following general formula (1) or (2), and
(C) a photostabilizer,
wherein a main component of the photostabilizer (C) is a photostabilizer (C-1) having no benzotriazole ringGeneral formula (1):

OG Complex Work Unit Drawing
wherein each of n R1s is independently a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms, each of (4-n) R2s is independently hydrogen atom or a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms, each of (4-n) R3s and (4-n) R4s is independently a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms, n is 0, 1, 2 or 3;General formula (2):

OG Complex Work Unit Drawing
wherein R2, R3 and R4 are the same as defined above, R5 is a substituted or unsubstituted divalent hydrocarbon group having 1 to 20 carbon atoms.