Emulsion for vibration damping materials

• US 20070049697A1
• Filed: 08/22/2006
• Published: 03/01/2007
• Est. Priority Date: 08/22/2005
• Status: Abandoned Application

• Current Assignee: Nippon Shokubai Company Limited
• Original Assignee: Nippon Shokubai Company Limited
• Inventors: Nagaishi, Dai, Miyawaki, Yukihiro
• Application Number:
  US11/507,528
• Publication Number:
  US 20070049697A1
• Time in Patent Office: Days
• US Class Current: 525/320
• CPC Class Codes: C08F 2/26 anionic
• CPC Class Codes: C08F 265/04 on to polymers of esters
• CPC Class Codes: C08F 265/06 Polymerisation of acrylate or methacrylate esters on to polymers thereof
• CPC Class Codes: C08L 2666/02 Organic macromolecular compounds, natural resins, waxes or and bituminous materials
• CPC Class Codes: C08L 51/003 grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds C08L51/04, C08L51/06 take precedence
• CPC Class Codes: C09D 151/003 grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds C09D151/04, C09D151/06 take precedence

Abstract

To provide an emulsion for vibration damping materials: excellent in vibration damping property in a wide temperature range, drying property, and mechanical stability; and capable of improving skinning property of the coating film surface. An emulsion for vibration damping materials, comprising an emulsion produced using an anionic emulsifier, wherein the anionic emulsifier is at least one selected from the group consisting of polyoxyethylene alkyl ether sulfate ester salts, alkyl diphenyl ether disulfonates, and alkenyl disuccinates, and a use amount of the anionic emulsifier is 1.0 part or more relative to 100 parts by weight of a total amount of a monomer component used for producing the emulsion.

Claims

1. An emulsion for vibration damping materials, comprising an emulsion produced using an anionic emulsifier,

wherein the anionic emulsifier is at least one selected from the group consisting of polyoxyethylene alkyl ether sulfates, alkyl diphenyl ether disulfonates, and alkenyl disuccinates, and

a use amount of the anionic emulsifier is 1.0 part or more relative to 100 parts by weight of a total amount of a monomer component used for producing the emulsion.

2. The emulsion for vibration damping materials according to claim 1,

wherein the emulsion for vibration damping materials further comprises at least one anionic emulsifier selected from the group consisting of polyoxyethylene alkyl ether sulfates, alkyl diphenyl ether disulfonates, and alkenyl disuccinates, and

a content of the anionic emulsifier is 1.0 part by weight or more relative to 100 parts by weight of a total amount of the monomer component used for producing the emulsion.

3. The emulsion for vibration damping materials according to claim 1,

wherein the anionic emulsifier is at least one selected from the group consisting of polyoxyethylene alkyl ether sulfates to which an ethylene oxide chain composed of 7 or more ethylene oxide units is added and alkyl diphenyl ether disulfonates.

4. A vibration damping composition comprising the emulsion for vibration damping materials of claim 1.

5. A use method of the emulsion for vibration damping materials of claim 4, wherein the vibration damping composition is used as an aqueous vibration damping material.

6. A coating method of the vibration damping composition of claim 4,

wherein the vibration damping composition is coated so as to have a face weight of 2.0 to 6.0 kg/m² after drying, and dried.

7. A vibration damping material obtainable by the coating method of the vibration damping composition of claim 4.

8. The emulsion for vibration damping materials according to claim 2,

wherein the anionic emulsifier is at least one selected from the group consisting of polyoxyethylene alkyl ether sulfates to which an ethylene oxide chain composed of 7 or more ethylene oxide units is added and alkyl diphenyl ether disulfonates.

9. A vibration damping composition comprising the emulsion for vibration damping materials of claim 8.

10. A vibration damping composition comprising the emulsion for vibration damping materials of claim 2.

11. A vibration damping composition comprising the emulsion for vibration damping materials of claim 3.

12. A use method of the emulsion for vibration damping materials of claim 9, wherein the vibration damping composition is used as an aqueous vibration damping material.

13. A use method of the emulsion for vibration damping materials of claim 10, wherein the vibration damping composition is used as an aqueous vibration damping material.

14. A use method of the emulsion for vibration damping materials of claim 11, wherein the vibration damping composition is used as an aqueous vibration damping material.

15. A coating method of the vibration damping composition of claim 9,

wherein the vibration damping composition is coated so as to have a face weight of 2.0 to 6.0 kg/m² after drying, and dried.

16. A coating method of the vibration damping composition of claim 10,

wherein the vibration damping composition is coated so as to have a face weight of 2.0 to 6.0 kg/m² after drying, and dried.

17. A coating method of the vibration damping composition of claim 11,

wherein the vibration damping composition is coated so as to have a face weight of 2.0 to 6.0 kg/m² after drying, and dried.

18. A vibration damping material obtainable by the coating method of the vibration damping composition of claim 9.

19. A vibration damping material obtainable by the coating method of the vibration damping composition of claim 10.

20. A vibration damping material obtainable by the coating method of the vibration damping composition of claim 11.