The present invention is constituted of a curable composition which comprises, as essential components, the following four components: (A) a vinyl polymer having at least one hydrosilylatable alkenyl group within the molecule, (B) a hydrosilyl group-containing compound, (C) a hydrosilylation cataly
The present invention is constituted of a curable composition which comprises, as essential components, the following four components: (A) a vinyl polymer having at least one hydrosilylatable alkenyl group within the molecule, (B) a hydrosilyl group-containing compound, (C) a hydrosilylation catalyst, and (D) an aliphatic unsaturated bond-containing compound, and which may further comprise (E) an amine compound, or the following three components: (A) a vinyl polymer having at least one hydrosilylatable alkenyl group within the molecule, (B) a hydrosilyl group-containing compound, and (G) an organic compound having at least one hydrosilylatable alkenyl or alkynyl group within the molecule [other than the above-mentioned component (A)], or the following three components: (A) a vinyl polymer having at least one hydrosilylatable alkenyl group within the molecule, (B) a hydrosilyl group-containing compound, and (H) carbon black.
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The invention claimed is: 1. A curable composition which comprises, as essential components, the following five components: (A) a vinyl polymer having at least one hydrosilylatable alkenyl group within the molecule, (B) a hydrosilyl group-containing compound, (C) a hydrosilylation catalyst, (D) an
The invention claimed is: 1. A curable composition which comprises, as essential components, the following five components: (A) a vinyl polymer having at least one hydrosilylatable alkenyl group within the molecule, (B) a hydrosilyl group-containing compound, (C) a hydrosilylation catalyst, (D) an aliphatic unsaturated bond-containing compound, and (F) an electric conductivity providing substance; wherein the vinyl polymer (A) has a main chain composed of at least one monomer selected from the group consisting of (meth)acrylic monomers, nitrile group-containing vinyl monomers, and fluorine-containing vinyl monomers, and wherein the vinyl polymer (A) has at least one hydrosilylatable alkenyl group at a molecular chain terminus thereof. 2. The curable composition according to any of claim 1, wherein the electric conductivity providing substance (F) is carbon black. 3. The curable composition according to claim 1, wherein the vinyl polymer (A) has a molecular weight distribution value of less than 1.8. 4. The curable composition according to claim 1, wherein the vinyl polymer (A) is a (meth)acrylic polymer. 5. The curable composition according to claim 4, wherein the vinyl polymer (A) is an acrylic polymer. 6. The curable composition according to claim 5, wherein the vinyl polymer (A) is an acrylic ester polymer. 7. The curable composition according to claim 1, wherein the main chain of the vinyl polymer (A) is one produced by living radical polymerization. 8. The curable composition according to claim 7, wherein the living radical polymerization is carried out in the manner of atom transfer radical polymerization. 9. The curable composition according to claim 8, in which the atom transfer radical polymerization is carried out using; as a catalyst, at least one member selected from among transition metal complexes the central metal of which is an element of the group 7, 8, 9, 10 or 11 of the periodic table of the elements. 10. The curable composition according to claim 9, wherein at least one transition metal complex selected from the group consisting of complexes of copper, nickel, ruthenium or iron is used as the catalyst. 11. The curable composition according to claim 10, wherein the metal complex catalyst is a copper complex. 12. The curable composition according to claim 1, wherein the vinyl polymer (A) is one obtained by the steps of: (1) producing a vinyl polymer having a terminal structure represented by the general formula (1): description="In-line Formulae" end="lead"--C(R 1)(R2)(X) (1)description="In-line Formulae" end="tail" wherein R1 and R2 each represents a group bound to an ethylenically unsaturated group of the vinyl monomer and X represents a chlorine, bromine or iodine atom, by polymerizing a vinyl monomer(s) in the manner of atom transfer radical polymerization and (2) converting the terminal halogen of said polymer to a substituent having a hydrosilylatable alkenyl group. 13. The curable composition according to claim 1, wherein the vinyl polymer (A) is one obtained by the steps of: (1) forming a vinyl polymer molecular chain by polymerizing a vinyl monomer(s) in the manner of living radical polymerization and (2) then reacting a compound having at least two low polymerizable alkenyl groups with the active terminus of the above polymer. 14. The curable composition according to claim 1, wherein the hydrosilyl group-containing compound (B) is an organohydrogenpolysiloxane. 15. The curable composition according to claim 1, wherein the aliphatic unsaturated bond-containing compound (D) is an acetylene alcohol. 16. The curable composition according to claim 1, wherein the aliphatic unsaturated bond-containing compound (D) is an α,β-unsaturated carboxylic acid ester. 17. The curable composition according to claim 16, wherein the aliphatic unsaturated bond-containing compound (D) is a maleic acid ester. 18. The curable composition according to claim 1, wherein the aliphatic unsaturated bond-containing compound (D) has a molecular weight of not lower than 110. 19. The curable composition according to claim 1, wherein the aliphatic unsaturated bond-containing compound (D) has a boiling point at ordinary pressure, of not lower than 140째 C. 20. The curable composition according to claim 1, which further comprises: (E) an amine compound. 21. The curable composition according to claim 20, wherein the amine compound (E) is an amine compound containing two nitrogen atoms in each molecule. 22. The curable composition according to claim 21, wherein the amine compound (E) has the following structural formula: wherein the four R groups may be the same or different and each is a univalent hydrocarbon group containing 1 to 20 carbon atoms or a hydrogen atom and any two R groups may be connected to each other and wherein R' is a divalent hydrocarbon group containing 1 to 24 carbon atoms. 23. The curable composition according to claim 22, wherein the amine compound (E) is N,N,N',N'-tetramethylethylenediamine. 24. A method of using a curable composition which comprises, as essential components, the following four components: (A) a vinyl polymer having at least one hydrosilylatable alkenyl group within the molecule, (B) a hydrosilyl group-containing compound, (C) a hydrosilylation catalyst, and (D) an aliphatic unsaturated bond-containing compound, which method comprises causing the curable composition to flow at a temperature of not lower than 30째 C. but lower them 100째 C. 25. The method according to claim 24, wherein the flowing temperature is not lower than 40째 C. but lower than 80째 C. 26. A method of using a curable composition which comprises, as essential components, the following four components: (A) a vinyl polymer having at least one hydrosilylatable alkenyl group within the molecule, (B) a hydrosilyl group-containing compound, (C) a hydrosilylation catalyst, and (D) an aliphatic unsaturated bond-containing compound, which method comprises causing the curable composition to flow at a temperature of not lower than 30째 C. but lower than 100째 C. and further carrying out the curing reaction while allowing the composition to flow. 27. A curable composition which comprises, as essential components, the following three components: (A) a vinyl polymer having at least one hydrosilylatable ailcenyl group within the molecule, (B) a hydrosilyl group-containing compound, and (H) carbon black, and wherein the carbon black has a pH of not higher than 9.5, wherein the vinyl polymer (A) has a main chain composed of at least one monomer selected from the group consisting of (meth)acrylic monomers, nitrile group-containing vinyl monomers, and fluorine-containing vinyl monomers; wherein the vinyl polymer (A) has at least one hydrosilylatable alkenyl group at a molecular chain terminus thereof. 28. The curable composition according to claim 27, wherein the vinyl polymer (A) has a molecular weight distribution value of less than 1.8. 29. The curable composition according to claim 27, wherein the vinyl polymer (A) is a (meth)acrylic polymer. 30. The curable composition according to claim 29, wherein the vinyl polymer (A) is an acrylic polymer. 31. The curable composition according to claim 30, wherein the vinyl polymer (A) is an acrylic ester polymer. 32. The curable composition according to claim 27, wherein the main chain of the vinyl polymer (A) is one produced by living radical polymerization. 33. The curable composition according to claim 32, wherein the living radical polymerization is carried out in the manner of atom transfer radical polymerization. 34. The curable composition according to claim 33, in which the atom transfer radical polymerization is carried out using, as a catalyst, at least one member selected from among transition metal complexes the central metal of which is an element of the group 7, 8, 9, 10 or 11 of the periodic table of the elements. 35. The curable composition according to claim 34, wherein at least one transition metal complex selected from the group consisting of complexes of copper, nickel, ruthenium or iron is used as the catalyst. 36. The curable composition according to claim 35, wherein the metal complex catalyst is a copper complex. 37. The curable composition according to claim 27, wherein the vinyl polymer (A) is one obtained by the steps of: (1) producing a vinyl polymer having a terminal structure represented by the general formula (1): description="In-line Formulae" end="lead"--C(R 1)(R2)(X) (1)description="In-line Formulae" end="tail" wherein R1 and R2 each represents a group bound to an ethylenically unsaturated group of the vinyl monomer and X represents a chlorine, bromine or iodine atom, by polymerizing a vinyl monomer(s) in the manner of atom transfer radical polymerization and (2) converting the terminal halogen of said polymer to a substituent having a hydrosilylatable alkenyl group. 38. The curable composition according to claim 27, wherein the vinyl polymer (A) is one obtained by the steps of: (1) forming a vinyl polymer molecular chain by polymerizing a vinyl monomer(s) in the manner of living radical polymerization and (2) then reading a compound having at least two low polymerizable alkenyl groups with the active terminus of the above polymer. 39. The curable composition according to claim 27, wherein the hydrosilyl group-containing compound (B) is an organohydrogenpolysiloxane. 40. A curable composition which comprises, as essential components, the following three components: (A) a vinyl polymer having at least one hydrosilylatable alkenyl group within the molecule, (B) a hydrosilyl group-containing compound, and (H) carbon black, and wherein a curing product derived from the curable composition has a tensile strength at break of not lower than 1 MPa. 41. The curable composition according to claim 40, wherein a curing product derived from the curable composition has a tensile strength at break of not lower than 1.5 MPa. 42. A curable composition which comprises, as essential components, the following three components: (A) a vinyl polymer having at least one hydrosilylatable alkenyl group within the molecule, (B) a hydrosilyl group-containing compound, and (H) carbon black, and wherein a curing product derived from the curable composition has a breaking elongation of not less than 50%. 43. The curable composition according to claim 42, wherein a curing product derived from the curable composition has a breaking elongation of not less than 100%. 44. A curable composition which comprises, as essential components, the following three components: (A) a vinyl polymer having at least one hydrosilylatable alkenyl group within the molecule, (B) a hydrosilyl group-containing compound, and (H) carbon black, and wherein, owing to its containing carbon black (H), the curable composition gives a curing product showing a tensile strength at break at least 1.5 times higher as compared with the case of its being free of carbon black. 45. The curable composition according to claim 44, wherein, owing to its containing carbon black (H), the curable composition can give a curing product showing a tensile strength at break at least 2 times higher as compared with the case of its being free of carbon black.
Bilgrien Carl J. (Midland MI) Lutz Michael A. (Midland MI) Nguyen Binh T. (Midland MI), Curable compositions containing an anaerobically inactive hydrosilation catalyst and method for preparing said compositi.
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