Fluorine-containing polymer and resin composition

1. A polymer comprising:

a constitutional unit A that is derived from fluorosilsesquioxane having one additional polymerizable functional group in a molecule;

a constitutional unit B that is derived from organopolysiloxane having an additional polymerizable functional group; and

a constitutional unit C that is derived from an additional polymerizable monomer and has a group having a polymerizable unsaturated bond on a side chain, and

optionally comprising a constitutional unit D that is derived from an additional polymerizable monomer other than the fluorosilsesquioxane having one additional polymerizable functional group in a molecule, the organopolysiloxane having an additional polymerizable functional group and the additional polymerizable monomer having a functional group capable of introducing a group having a polymerizable unsaturated bond.

2. The polymer according to claim 1 , wherein the fluorosilsesquioxane having one additional polymerizable functional group in a molecule is represented by the following formula (1):

wherein R f 1 to R f 7 each independently represent fluoroalkyl having 1 to 20 carbon atoms, in which arbitrary methylene may be replaced by oxygen, fluoroaryl having 6 to 20 carbon atoms, in which at least one hydrogen is replaced by fluorine or trifluoromethyl, or fluoroarylalkyl having 7 to 20 carbon atoms, in which at least one hydrogen in aryl is replaced by fluorine or trifluoromethyl; and A 1 represents an addition polymerizable functional group.

3. The polymer according to claim 2 , wherein in the formula (1), R f 1 to R f 7 each independently represent 3,3,3-trifluoropropyl, 3,3,4,4,4-pentafluorobutyl, 3,3,4,4,5,5,6,6,6-nonafluorohexyl, tridecafluoro-1,1,2,2-tetrahydrooctyl, heptadecafluoro-1,1,2,2-tetrahydrodecyl, henicosafluoro-1,1,2,2-tetrahydrodecyl, pentacosafluoro-1,1,2,2-tetrahydrotetradecyl, (3-heptafluoroisopropoxy)propyl, pentafluorophenylpropyl, pentafluorophenyl, or α,α,α-trifluoromethylphenyl.

4. The polymer according to claim 2 , wherein in the formula (1), R f 1 to R f 7 each independently represent 3,3,3-trifluoropropyl, 3,3,4,4,5,5,6,6,6-nonafluorohexyl, or tridecafluoro-1,1,2,2-tetrahydrooctyl.

5. The polymer according to claim 1 , wherein the organopolysiloxane having an additional polymerizable functional group is represented by the following formula (2):

wherein n represents an integer of 1 to 1,000; R 1 , R 2 , R 3 , R 4 and R 5 each independently represent hydrogen, alkyl having 1 to 30 carbon atoms, in which arbitrary hydrogen may be replaced by fluorine, and arbitrary —CH 2 — may be replaced by —O— or cycloalkylene, substituted or unsubstituted aryl, or arylalkyl containing substituted or unsubstituted aryl and alkylene, in which arbitrary hydrogen may be replaced by fluorine, and arbitrary —CH 2 — may be replaced by —O— or cycloalkylene; and A 2 represents an addition polymerizable functional group.

6. The polymer according to claim 5 , wherein in the formula (2), R 1 and R 2 each independently represent hydrogen or alkyl having 1 to 8 carbon atoms, in which arbitrary hydrogen may be replaced by fluorine; R 3 and R 4 each independently represent alkyl having 1 to 20 carbon atoms, in which arbitrary hydrogen may be replaced by fluorine, aryl having 6 to 20 carbon atoms, in which arbitrary hydrogen may be replaced by fluorine, or arylalkyl having 7 to 20 carbon atoms, in which arbitrary hydrogen may be replaced by fluorine; and R 5 represents alkyl having 1 to 20 carbon atoms, in which arbitrary hydrogen may be replaced by fluorine, aryl having 6 to 20 carbon atoms, in which arbitrary hydrogen may be replaced by fluorine, or arylalkyl having 7 to 20 carbon atoms, in which arbitrary hydrogen may be replaced by fluorine.

7. The polymer according to claim 5 , wherein in the formula (2), R 1 and R 2 each independently represent methyl, phenyl, or 3,3,3-trifluoropropyl; R 3 and R 4 each independently represent methyl or phenyl; and R 5 represents methyl, ethyl, propyl, butyl, isobutyl, phenyl, 3,3,3-trifluoropropyl, 3,3,4,4,4-pentafluorobutyl, 3,3,4,4,5,5,6,6,6-nonafluorohexyl, tridecafluoro-1,1,2,2-tetrahydrooctyl, heptadecafluoro-1,1,2,2-tetrahydrodecyl, henicosafluoro-1,1,2,2-tetrahydrodecyl, pentacosafluoro-1,1,2,2-tetrahydrotetradecyl, (3-heptafluoroisopropoxy)propyl, pentafluorophenylpropyl, pentafluorophenyl, or α,α,α-trifluoromethylphenyl.

8. The polymer according to claim 5 , wherein in the formula (2), R 1 , R 2 , R 3 and R 4 each are methyl simultaneously.

9. The polymer according to claim 5 , wherein A 1 in the formula (1) and the A 2 in the formula (2) are each a radical polymerizable functional group.

10. The polymer according to claim 9 , wherein A 1 in the formula (1) and the A 2 in the formula (2) each contain (meth)acryl or styryl.

11. The polymer according to claim 10 , wherein A 1 in the formula (1) is represented by the following formula (3) or (5), and the A 2 in the formula (2) is represented by the following formula (3), (4), or (5):

wherein

in the formula (3), Y 1 represents alkylene having 2 to 10 carbon atoms; and R 6 represents hydrogen, alkyl having 1 to 5 carbon atoms, or aryl having 6 to 10 carbon atoms,

in the formula (4), R 7 represents hydrogen, alkyl having 1 to 5 carbon atoms, or aryl having 6 to 10 carbon atoms; X 1 represents alkylene having 2 to 20 carbon atoms; Y represents —OCH 2 CH 2 —, —OCHCH 3 CH 2 —, or —OCH 2 CH(CH 3 )—; and p represents an integer of 0 to 3, and

in the formula (5), Y 2 represents a single bond or alkylene having 1 to 10 carbon atoms.

12. The polymer according to claim 11 , wherein

in the formula (3), Y 1 represents alkylene having 2 to 6 carbon atoms; and R 6 represents hydrogen or methyl,

in the formula (4), X 1 represents —CH 2 CH 2 CH 2 —; Y represents —OCH 2 CH 2 —; p represents 0 or 1; and R 7 represents hydrogen or methyl, and

in the formula (5), Y 2 represents a single bond or alkylene having 1 or 2 carbon atoms.

13. The polymer according to claim 1 , wherein the group having a polymerizable unsaturated bond in the constitutional unit C is a radical polymerizable functional group.

14. The polymer according to claim 1 , wherein the group having a polymerizable unsaturated bond in the constitutional unit C is (meth)acryl or styryl.

15. A resin composition comprising the polymer according to claim 1 , and at least one resin selected from a thermoplastic resin, a thermosetting resin and an active radiation-curable resin.

16. A surface modifier comprising the polymer according to claim 1 .

17. A film comprising the surface modifier according to claim 16 .

18. A surface modifier comprising the resin composition according to claim 15 .

19. A film comprising the surface modifier according to claim 18 .