High temperature resistant pre-coating type anaerobic adhesive and preparation method thereof
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A high temperature resistant, anaerobic adhesive technology, used in adhesives, non-polymer organic compound adhesives, etc., can solve the problem of high temperature resistance, and achieve the effect of improving heat aging resistance and wide application fields
Inactive Publication Date: 2014-03-05
TONSAN ADHESIVES INC
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Abstract
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Problems solved by technology
Solve the problem that ordinary anaerobic adhesives cannot withstand high temperatures, so that pre-coated anaerobic adhesives can withstand temperatures above 200°C and have long-term heat-aging resistance
Method used
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Embodiment 1
[0043] Proportion
[0044] A component:
[0045] Deionized water 45% Wt;
[0046] Acrylate emulsion 6%Wt;
[0047] Propyl ferrocene 0.1%Wt;
[0048] Oil-soluble red pigment 1.5%Wt;
[0049] Silica powder 5%Wt;
[0050] Sodium hydroxide solution of styrene-maleic anhydride-acrylic acid terpolymer 1%wt;
[0051] Ethoxylated bisphenol A dimethacrylate 35.5%Wt;
[0052] N,N-m-phenylene bismaleimide 10% Wt;
[0053] B component:
[0054] microcapsule initiator.
[0055] Preparation:
[0056] A component:
[0057] 1. Put 35%~60%Wt water, 3~10%Wt water-soluble thickener, 1%~5%Wt adhesive into the reactor and stir at low speed for 30min~70min, mix well;
[0058] 2. Add 0.01%~1%Wt polymerization accelerator, 0.5%~2%Wt pigment, 3%~15%Wt filler to the reaction kettle, stir rapidly for 30mim~40min, and mix well;
[0059] 3. Add 35%~50%Wt methacrylate monomer into the reaction kettle, stir rapidly for 30min-60min, and mix well;
[0060] 4. Add 1%~20% heat-resistant agent to th...
Embodiment 2
[0064] A component:
[0065] Deionized water 45% Wt;
[0066] Acrylate emulsion 6%Wt;
[0067] Propyl ferrocene 0.5%Wt;
[0068] Oil-soluble red pigment 1.5%Wt;
[0069] Silica powder 5%Wt;
[0070] Sodium hydroxide solution of styrene-maleic anhydride-acrylic acid terpolymer 1%wt;
[0071] Ethoxylated bisphenol A dimethacrylate 35.5.%Wt;
[0072] Polyimide 10% Wt;
[0073] B component:
[0074] The preparation technology of microcapsule initiator is the same as embodiment 1.
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Abstract
The invention is a high temperature resistant pre-coating type anaerobic adhesive, which is composed of a component A and a component B. The component A comprises the following components by weight: 35-55% of water, 3%-10% of a water-soluble thickening agent, 1%-5% of an adhesive, 0.01%-3% of a polymerization accelerator, 0.1%-2% of a red pigment, 3%-15% of a filler, 25%-50% of methacrylate monomer and 1%-20% of heat resistant additive; and the component B is a micro capsule initiator. The invention is applicable to thread locking and fixing under high temperature condition of 200 DEG C; and the product has significantly improved heat aging resistance and wide range of application, meets the demand of high temperature condition, which can not be achieved by a current ordinary pre-coating anaerobic adhesive, and especially makes up for the deficiency of unsuitability to locking and fixing under high temperature.
Description
technical field [0001] The invention relates to a precoatable anaerobic adhesive and a preparation method thereof, which can be cured anaerobically and can be used in automobile manufacturing, aviation, military industry, general machinery, transportation machinery, oil fields, industrial and civil pipelines, and mold manufacturing Locking and sealing of various industrial threaded fasteners. Background technique [0002] The pre-coated anaerobic adhesive is composed of anaerobic emulsion and initiator-containing microcapsules. Compared with traditional liquid anaerobic adhesives, the sizing process can be carried out in advance and in a concentrated manner, eliminating the need for numerous coating equipment and construction personnel on the production line, and simplifying the production process. On-site operation improves production efficiency and ensures the quality of sizing. Therefore, pre-applied adhesives have made great progress in the field of modern machinery indu...
Claims
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Application Information
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