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Method for preparing composite plate combining butyronitrile rubber with metal

A technology of metal composite board and nitrile rubber, which is applied in the direction of surface coating liquid devices, coatings, anti-corrosion coatings, etc., can solve the problems of endangering the safety of the workplace, personnel health and atmospheric environment, and achieve good product adhesion , workers' health assurance, and the effect of clean production sites

Pending Publication Date: 2018-10-12
桂林市金谷新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the defect that the volatilization of organic solvents endangers workplace safety, personnel health and atmospheric environment during the preparation and use of solvent-based nitrile rubber coatings in the prior art, and provides a product that does not use organic solvents and is environmentally friendly. Preparation method of nitrile rubber metal composite board with good adhesion, ozone resistance, excellent low temperature performance, resistance to fuel oil and Freon and other media, and excellent sealing effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The preparation method of the nitrile rubber metal composite board in this example is to coat the special thickening promoter on one or both sides of the metal sheet after cleaning the surface, heat it to make it surface dry, and then roll coating, spraying, flow coating or Dip coating is used to coat the water-based nitrile rubber coating on the metal sheet. After heating in the drying tunnel to volatilize the water in the water-based nitrile rubber coating, it is transferred to a blast oven for high-temperature vulcanization to obtain a nitrile rubber metal composite board;

[0027] The water-based nitrile rubber coating, in parts by weight, consists of 100 parts of nitrile latex, 1.5 parts of carbon black, 3 parts of zinc oxide, 0.2 part of sulfur, 35 parts of deionized water, 2 parts of lye, 5 parts of silicon dioxide , 0.5 part of anionic surfactant, 0.08 part of 2-mercaptobenzothiazole zinc salt (ZMBT), 0.04 part of 2-mercaptobenzothiazole (M), 0.5 part of acrylate...

Embodiment 2

[0039] The preparation method of the nitrile rubber metal composite board of the present example, the water-based nitrile rubber coating, in parts by weight, consists of 100 parts of nitrile latex, 5 parts of carbon black, 1.5 parts of zinc oxide, 0.5 part of sulfur, deionized water 20 parts, 1 part of lye, 3 parts of silicon dioxide, 0.2 parts of anionic surfactant, 0.03 parts of 2-mercaptobenzothiazole zinc salt (ZMBT), 0.01 part of 2-mercaptobenzothiazole (M), acrylate emulsion 0.1 part and 0.2 part of polyether modified silicone oil are mixed and stirred evenly, and then filtered.

[0040] The solid content of the nitrile latex is 35% by weight, and the acrylonitrile content is 27% by weight.

[0041] The solid content of the carbon black master paste is 50% by weight, and the solid content of the silica colloid is 40% by weight.

[0042] The average particle size D50 of zinc oxide is 10um.

[0043] The lye is 30% ammonia solution in weight percent.

[0044] The acrylate ...

Embodiment 3

[0047] The preparation method of the nitrile rubber metal composite board of the present example, the water-based nitrile rubber coating, in parts by weight, consists of 100 parts of nitrile latex, 2 parts of carbon black, 5 parts of zinc oxide, 0.3 part of sulfur, deionized water 25 parts, 3.5 parts of lye, 5 parts of silicon dioxide, 0.5 parts of anionic surfactant, 0.1 part of 2-mercaptobenzothiazole zinc salt (ZMBT), 0.06 part of 2-mercaptobenzothiazole (M), acrylate emulsion 1 part, 0.6 part of polyether modified silicone oil, mixed and stirred evenly, and then filtered.

[0048] The solid content of the nitrile latex is 30% by weight, and the acrylonitrile content is 34% by weight.

[0049] The solid content of the carbon black master paste is 50% by weight, and the solid content of the silica colloid is 30% by weight.

[0050] The average particle size D50 of zinc oxide is 0.5um.

[0051] The lye is 20% ammonia solution in weight percentage.

[0052] The acrylate emu...

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Abstract

The invention belongs to the field of preparation of rubber-metal composite materials, and particularly relates to a method for preparing a composite plate combining butyronitrile rubber with metal. The method is characterized in that after one surface or two surfaces of a metal thin plate of which the surfaces are cleaned up are coated with a special adhesion promoter, heating is carried out so that the surfaces of the metal thin plate can be dried, then the metal thin plate is coated with a water-based butyronitrile rubber coating through roller coating, spraying, shower coating or dip coating, heating is carried out in a drying tunnel so that water in the water-based butyronitrile rubber coating can volatilize, and then the metal thin plate is transferred into a blast air oven for high-temperature vulcanization so as to obtain the composite plate combining the butyronitrile rubber with the metal. According to the method for preparing the composite plate combining the butyronitrile rubber with the metal, the defect in the prior art, an organic solvent volatilizes in the preparation and using processes of a solvent type butyronitrile rubber coating, and therefore the safety of operation places, the health of the personnel and the atmospheric environment are endangered is overcome; the organic solvent is not used, and the environment-friendly effect is achieved; and the composite plate has good adhesive force, and is resistant to ozone, excellent in low-temperature performance, resistant to fuel oil, freon and other media, and excellent in sealing effect.

Description

Technical field: [0001] The invention belongs to the field of preparation of rubber-metal composite materials, and in particular relates to a preparation method of a nitrile rubber-metal composite board. Background technique: [0002] Nitrile rubber has excellent oil resistance and chemical medium resistance, and is widely used in various oil-resistant products. It is usually provided in the form of gaskets, sealing rings, hoses, oil seals and other parts. In high pressure applications, such as gaskets of internal combustion engines of automobiles and motorcycles, gaskets of refrigerators, and air-conditioning compressors, rubber-metal composite plates with metal skeletons must be used as sealing materials. High temperature resistance is required, and at the same time, the nitrile rubber is required to be firmly bonded to the metal plate to ensure its sealing performance. Existing nitrile-butadiene rubber metal composite boards are all prepared by dissolving nitrile-butadie...

Claims

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Application Information

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IPC IPC(8): B05D7/14C09D109/04C09D7/61C09D7/63C09D5/08C09D7/20
CPCB05D7/14B05D2530/00C08K2003/2296C09D5/08C09D7/20C09D7/61C09D7/63C09D109/04C08L33/04C08K13/02C08K3/04C08K3/22C08K3/06C08K3/36C08K5/47
Inventor 唐干庾国新周祺康李丽
Owner 桂林市金谷新材料有限公司
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