Impregnation composition, and primer composition for resin concrete, method for its coating and composite body employing it

• US 5,912,086 A
• Filed: 02/24/1997
• Issued: 06/15/1999
• Est. Priority Date: 03/06/1996
• Status: Expired due to Term

• Current Assignee: Denki Kagaku Kogyo Kabushiki Kaisha (TDK Corporation)
• Original Assignee: Denki Kagaku Kogyo Kabushiki Kaisha (TDK Corporation)
• Inventors: Ando, Toshihiro, Ito, Shunji
• Primary Examiner(s): Raymond, Richard L.
• Assistant Examiner(s): Rao, Deepak R.
• Application Number:
  US08/805,249
• Time in Patent Office: 841 Days
• Field of Search: 428/500, 428/515, 428/516, 428/518, 428/519
• US Class Current: 428/500
• CPC Class Codes: C04B 41/52 Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
• CPC Class Codes: C08F 220/10 Esters
• CPC Class Codes: C08F 290/048 Polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00
• CPC Class Codes: C09D 4/00 Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
• CPC Class Codes: C09D 4/06 Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
• CPC Class Codes: Y10T 428/31855 Of addition polymer from unsaturated monomers
• CPC Class Codes: Y10T 428/31909 Next to second addition polymer from unsaturated monomers
• CPC Class Codes: Y10T 428/31913 Monoolefin polymer
• CPC Class Codes: Y10T 428/3192 Next to vinyl or vinylidene chloride polymer
• CPC Class Codes: Y10T 428/31924 Including polyene monomers

Abstract

An impregnation composition comprising (a) a polyfunctional (meth)acrylate having at least two ethylenically unsaturated double bonds in one molecule, (b) a monofunctional (meth)acrylate, (c) a polymerization initiator, and (d) a decomposition accelerator.

Claims

1. A method for coating a primer composition for resin concrete, which comprises coating a primer composition for resin concrete on cement concrete, wherein said primer composition comprises

(a) a both terminal (meth)acryl-modified liquid polybutadiene, a both terminal (meth)acryl modified polyacrylonitrilebutadiene or a both terminal (meth)acryl-modified liquid partially hydrogenated polybutadiene,

(b) a monofunctional (meth)acrylate,

(c) a polymerization initiator,

(d) a decomposition accelerator, and

(f) a coupling agent.

2. The method according to claim 1, wherein the decomposition accelerator comprises a metal salt of an organic acid and/or an organometal chelate compound.

3. A cured body of the cement concrete obtained by the method as defined in claim 1.

4. The method according to claim 1, wherein the coupling agent is a silane or titanate.

5. The method according to claim 1, wherein (a) is present in an amount of 1 to 90 parts by weight per 100 parts by weight of (a) and (b), (b) is present in an amount of 10 to 99 parts by weight per 100 parts by weight of (a) and (b), (c) is present in an amount of from 0.2 to 10 parts by weight per 100 parts by weight of (a) and (b), (d) is present in an amount of 0. 1 to 10 parts by weight per 100 parts by weight of (a) and (b), and (f) is present in an amount of from 0.001 to 5 parts by weight per 100 parts by weight of (a) and (b).

6. A composite body of cement concrete and resin concrete, which comprises cement concrete having a primer composition for resin concrete coated thereon, and resin concrete coated on the coated surface of the cement concrete, wherein said primer composition comprises (a)

a both terminal (meth)acryl-modified liquid polybutadiene, a both terminal (meth)acryl modified polyacrylonitrilebutadiene or a both terminal (meth)acryl-modified liquid partially hydrogenated polybutadiene,

(b) a monofunctional (meth)acrylate,

(c) a polymerization initiator,

(d) a decomposition accelerator, and

(f) a coupling agent.

7. The composite body of cement concrete and resin concrete according to claim 6, wherein the resin concrete is radical polymerizable resin concrete.

8. A method for producing a composite body of cement concrete and resin concrete, which comprises coating resin concrete on the surface of cement concrete having a primer composition for resin concrete coated thereon, wherein said primer composition comprises

(a) both terminal (meth)acryl-modified liquid polybutadiene, a both terminal (meth)acryl modified polyacrylonitrilebutadiene or a both terminal (meth)acryl-modified liquid partially hydrogenated polybutadiene,

(b) a monofunctional (meth)acrylate,

(c) a polymerization initiator,

(d) a decomposition accelerator, and

(f) a coupling agent.

9. The method for producing a composite body of cement concrete and resin concrete according to claim 8, wherein the resin concrete is radical polymerizable resin concrete.

10. The method according to claim 8, wherein the decomposition accelerator comprises a metal salt of an organic acid and/or an organometal chelate compound.

11. A cured body of the cement concrete obtained by the method as defined in claim 8.

12. A method for coating a primer composition for resin concrete, which comprises coating a primer composition for resin concrete on said concrete, wherein said primer composition comprises

(a) a both terminal (meth)acryl-modified liquid polybutadiene, a both terminal (meth)acryl modified polyacrylonitrilebutadiene or a both terminal (meth)acryl-modified liquid partially hydrogenated polybutadiene,

(b) a monofunctional (meth)acrylate,

(c) a polymerization initiator,

(d) a decomposition accelerator,

(e) a polyfunctional (meth)acrylate not having at least two ethylenically unsaturated double bonds in one molecule, and

(f) a coupling agent.

13. The method according to claim 12, wherein the coupling agent is a silane or titanate.

14. The method according to claim 12, wherein (a) is present in an amount of 1 to 90 parts by weight per 100 parts by weight of (a) and (b), (b) is present in an amount of 10 to 99 parts by weight per 100 parts by weight of (a) and (b), (c) is present in an amount of from 0.2 to 10 parts by weight per 100 parts by weight of (a) and (b), (d) is present in an amount of 0.2 to 10 parts by weight per 100 parts by weight of (a) and (b), and (f) is present in an amount of from 0.001 to 5 parts by weight per 100 parts by weight of (a) and (b).

15. A composite body of cement concrete and resin concrete, which comprises cement concrete having a primer composition for resin concrete coated thereon, and resin concrete coated on the coated surface of the cement concrete, wherein said primer composition comprises

(a) a both terminal (meth)acryl-modified liquid polybutadiene, a both terminal (meth)acryl modified polyacrylonitrilebutadiene or a both terminal (meth)acryl-modified liquid partially hydrogenated polybutadiene,

(b) a monofunctional (meth)acrylate,

(c) a polymerization initiator,

(d) a decomposition accelerator,

(e) a polyfunctional (meth)acrylate not having at least two ethylenically unsaturated double bonds in one molecule, and

(f) a coupling agent.

16. The composite body of cement concrete and resin concrete according to claim 15, wherein the resin concrete is radical polymerizable resin concrete.

17. A method for producing a composite body of cement concrete and resin concrete, which comprises coating resin concrete on the surface of cement concrete having a primer composition for resin concrete coated thereon, wherein said primer composition comprises

(a) a both terminal (meth)acryl-modified liquid polybutadiene, a both terminal (meth)acryl modified polyacrylonitrilebutadiene or a both terminal (meth)acryl-modified liquid partially hydrogenated polybutadiene,

(b) a monofunctional (meth)acrylate,

(c) a polymerization initiator,

(d) a decomposition accelerator,

(e) a polyfunctional (meth)acrylate not having at least two ethylenically unsaturated double bonds in one molecule, and

(f)a coupling agent.

18. The method for producing a composite body of cement concrete and resin concrete according to claim 17, wherein the resin concrete is radical polymerizable resin concrete.