Patent ID: 7939617

Claim:
A polysiloxane represented by the formula (1): where in the formula (1): R independently represents alkyl having 1 to 45 carbon atoms whereby optional hydrogen may be replaced by fluorine and optional —CH 2 — may be replaced by —O—, —CH═CH—, or cycloalkylene; cycloalkyl having 4 to 8 carbon atoms; substituted or unsubstituted aryl whereby optional hydrogen on aryl may be replaced by halogen or alkyl having 1 to 10 carbon atoms in which optional hydrogen may be replaced by fluorine and optional —CH 2 — may be replaced by —O—, —CH═CH—, or phenylene; or substituted or unsubstituted arylalkyl whereby optional hydrogen on aryl may be replaced by halogen or alkyl having 1 to 10 carbon atoms in which optional hydrogen may be replaced by fluorine, and optional —CH 2 — may be replaced by —O—, —CH═CH—, or phenylene, and alkylene of the arylalkyl has 1 to 10 carbon atoms whereby optional hydrogen may be replaced by fluorine and optional —CH 2 — may be replaced by —O—, —CH═CH—, or phenylene; m and n independently represent an integer of 1 to 1,000; wherein when m=1, R 1 is independently selected from the group consisting of alkoxy, acetoxy, and —OSi(A) 3 , and when 2≦m≦1,000, R1 is independently selected from the group consisting of hydrogen, hydroxyl, halogen, alkoxy, acetoxy, —OSi(A) 3 , and a group defined in the same manner as R; in —OSi(A) 3 , A independently represents hydrogen; alkyl having 1 to 10 carbon atoms whereby optional hydrogen may be replaced by hydroxyl, halogen, carboxyl, ester, 2,4-dioxo-3-oxacyclopentyl, acetoxy, amino group, isocyanate, oxiranyl, 3,4-epoxycyclohexyl, oxetanyl, cyano, vinyl, (meth)acryloyl, 4-vinylphenyl, alkyleneoxy, or mercapto, and optional —CH 2 — may be replaced by —O—, —CH═CH— or phenylene; or phenyl.