Curable resin composition, cured film, and composite product

1. A curable resin composition comprising

(A) reactive particles prepared by bonding (A1) at least one of oxide particles of an element selected from the group consisting of silicon, aluminum, zirconium, titanium, zinc, germanium, indium, tin, antimony, ruthenium, rhenium, silver, nickel, cupper and cerium, and (A2) an organic compound which comprises a polymerizable unsaturated group,

(B) a compound having two or more polymerizable unsaturated groups in the molecule,

(C) a terminal reactive polydimethylsiloxane compound having at least one polymerizable unsaturated group and a urethane bond in the molecule, other than organic compound (A2).

2. The curable resin composition according to claim 1 , wherein the number average particle diameter of the oxide particles (A1) is preferably 0.001–2 μm.

3. The curable resin composition according to claim 1 , wherein the oxide particles are conductive particles having a volume resistivity of 300 Ω·cm or less.

4. The curable resin composition according to claim 1 , wherein the composition contains oxide particles used as the conductive particles, that are chosen from the group consisting of tin-doped indium oxide (ITO), antimony-doped tin oxide (ATO), fluorine-doped tin oxide (FTO), phosphorus-doped tin oxide (PTO), zinc antimonate, indium-doped zinc oxide, ruthenium oxide, rhenium oxide, silver oxide, nickel oxide, and copper.

5. The curable resin composition according to claim 1 , wherein the organic compound (A2) comprises a polymerizable unsaturated group in the molecule, and the group [—X—C(═Y)—NH—] shown by the formula

wherein X represents NH, O (oxygen atom), or S (sulfur atom), and Y represents O or S.

6. The curable resin composition according to claim 1 , wherein the organic compound (A2) contains a silanol group or a compound which forms a silanol group by hydrolysis.

7. The curable resin composition according to claim 1 , wherein the compound (C) contains an acryloxy group and methacryloxy group.

8. The curable resin composition according to claim 1 , wherein the polystyrene-reduced number average molecular weight of the compound (C) determined by the GPC method is preferably from 800 to 15000.

9. The curable resin composition according to claim 8 , wherein the compound (C) has the formula

wherein R 7 is an organic group having a functional group selected from the group consisting of an acryloxy group, methacryloxy group, vinylether group and epoxy group, R 8 is an organic group having a valence of (n+1), R 9 is an alkyl group having 1 to 12 carbon atoms, R 10 and R 11 are individually a methyl group or phenyl group, n is a numeral from 0 to 3, and k is a numeral from 1 to 150.

10. The curable resin composition according to claim 1 , wherein the amount of compound (C) is 0.01–5 wt % relative to the total weight of reactive particles (A), compound (B), and compound (C).

11. The curable resin composition according to anyone of claims 1 , wherein, the composition further comprises a phenol-type antioxidant (D) and hindered amine-type light stabilizer (E).

12. The curable resin composition according to claim 11 , wherein the total amount of the antioxidant (D) and the light stabilizer (E) to be added is 0.01–10 by weight for 100 parts by weight of the total solid content of the reaction product (A) and the compounds (B) and (C).

13. A curable resin composition comprising

(A) reactive particles prepared by bonding (A1) at least one of oxide particles of an element selected from the group consisting of silicon, aluminum, zirconium, titanium, zinc, germanium, indium, tin, antimony, ruthenium, rhenium, silver, nickel, cupper and cerium, (A2) an organic compound which comprises a polymerizable unsaturated group and (A3) an organic compound that contains silicon and a radical polymerization initiation group in the same molecule;

(B) a compound having two or more polymerizable unsaturated groups in the molecule,

(C) a terminal reactive polysiloxane compound having at least one polymerizable group in the molecule.

14. A process comprising coating the curable resin composition as defined in claim 1 on a substrate.

15. An optical parts, DVD display panels, touch panels, magneto optical discs, plastic containers, windows or pane having a coating made from the curable resin composition as defined in claim 1 .

16. A products comprising a substrate having a coating obtained by curing a resin composition according to claim 1 , wherein the product has a shear lubricity force of less than 20 N when subjected to a shear lubricity test at a tensile rate of 50 mm/minute with a contact area of 5.4 cm 2 and pressure of 4.7 N/cm 2 applied from two double clips.

17. A product comprising a substrate having a coating obtained by curing a resin composition of claim 1 , wherein the product has a surface resistivity of 10 12 Ω or less.

18. A curable resin composition comprising

(A) reactive particles prepared by bonding (A1) at least one of oxide particles of an element selected from the group consisting of silicon, aluminum, zirconium, titanium, zinc, germanium, indium, tin, antimony, ruthenium, rhenium, silver, nickel, cupper and cerium, comprising silicon oxide on the surface, and (A2) an organic compound which comprises a polymerizable unsaturated group,

(B) a compound having two or more polymerizable unsaturated groups in the molecule, and

(C) a terminal reactive polydimethylsiloxane compound having at least one polymerizable unsaturated group and a urethane bond in the molecule, other than organic compound (A2),

wherein the resin composition has a volume resistivity of 10 12 Ω.cm or less.

19. The curable resin composition according to claim 18 , wherein the volume resistivity is 10 8 Ω.cm or less.

20. A curable resin composition comprising

(A) reactive particles prepared by bonding (A1) at least one of oxide particles of an element selected from the group consisting of silicon, aluminum, zirconium, titanium, zinc, germanium, indium, tin, antimony, ruthenium, rhenium, silver, nickel, cupper and cerium comprising silicon oxide on the surface, and (A2) an organic compound which comprises a polymerizable unsaturated group,

(B) a compound having two or more polymerizable unsaturated groups in the molecule, and

(C) a terminal reactive polydimethylsiloxane compound having at least one polymerizable unsaturated group and a urethane bond in the molecule, other than organic compound (A2),

wherein the oxide particles are conductive particles that comprise silicon oxide on the surface.

21. A curable resin composition comprising

(A) reactive particles prepared by bonding (A1) at least one of oxide particles of an element selected from the group consisting of silicon, aluminum, zirconium, titanium, zinc, germanium, indium, tin, antimony, ruthenium, rhenium, silver, nickel, cupper and cerium comprising silicon oxide on the surface, (A2) an organic compound which comprises a polymerizable unsaturated group, and (A3) an organic compound that contains silicon and a radical polymerization initiation group in the same molecule;

(B) a compound having two or more polymerizable unsaturated groups in the molecule; and

(C) a terminal reactive polydimethylsiloxane compound having at least one polymerizable unsaturated group and a urethane bond in the molecule, other than organic compound (A2).

22. A curable resin composition comprising

(A) reactive particles prepared by bonding (A1) at least one of oxide particles of an element selected from the group consisting of silicon, aluminum, zirconium, titanium, zinc, germanium, indium, tin, antimony, ruthenium, rhenium, silver, nickel, cupper and cerium comprising silicon oxide on the surface, (A2) an organic compound which comprises a polymerizable unsaturated group, and (A3) an organic compound that contains silicon and a radical polymerization initiation group in the same molecule;

(B) a compound having two or more polymerizable unsaturated groups in the molecule; and

(C) a terminal reactive polysiloxane compound having at least one polymerizable group in the molecule,

wherein the oxide particles are conductive particles that comprise silicon oxide on the surface.