Protective adhesive and preparation method thereof, and aluminum alloy workpiece surface treatment process
A technology of protective glue and aluminum alloy, which is applied in the direction of surface reaction electrolytic coating, adhesive, adhesive additive, etc., can solve the problems of secondary pollution of micro-arc oxidation film, unsuitable local protection, and difficulty in tooling processing, etc.
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[0028] A preparation method of protective glue, its preparation method is: first weigh each component according to the mass percentage of claim 1, then add silicone rubber, acrylate, epoxy resin, benzoyl peroxide, p- Hydroquinone and silane coupling agent are added while stirring until they are evenly stirred to obtain a protective glue.
[0029] A surface treatment process for an aluminum alloy workpiece, mainly comprising the following steps:
[0030] (1) Pretreatment: Use an alkaline degreasing agent to degrease the surface of the aluminum alloy workpiece, then clean it with water, and dry it with compressed air;
[0031] (2) Preparation of protective glue: Weigh 20%~40% of silicone rubber, 5~30% of acrylate, 30%~50% of epoxy resin, and 5~10% of benzoyl peroxide according to the mass percentage , 3~5% hydroquinone and 3~5% silane coupling agent, and then add the above components into the container in turn, and stir while adding until evenly stirred to obtain the protective...
Embodiment 1
[0037] A protective glue, the protective glue includes the following components in mass percentage: 20% silicone rubber, 20% acrylate, 45% epoxy resin, 7% benzoyl peroxide, 3% hydroquinone, silane di Joint agent 5%.
[0038] A surface treatment process for an aluminum alloy workpiece, mainly comprising the following steps:
[0039] (1) Pretreatment: At room temperature, use an alkaline degreaser to degrease the surface of the aluminum alloy workpiece, then clean it with water, and dry it with compressed air;
[0040] (2) Preparation of protective glue: Weigh 20% of silicone rubber, 20% of acrylate, 45% of epoxy resin, 7% of benzoyl peroxide, 3% of hydroquinone and 5% % silane coupling agent, then add the above-mentioned components into the container in turn, and stir while adding until the stirring is even, that is, the protective glue is obtained;
[0041] (3) Protection of the non-micro-arc oxidation area: first use paper tape to enclose the area into a closed area along t...
Embodiment 2
[0046] A protective glue, the protective glue includes the following components by mass percentage: 30% silicone rubber, 20% acrylate, 35% epoxy resin, 6% benzoyl peroxide, 4% hydroquinone, silane di Joint agent 5%.
[0047] A surface treatment process for an aluminum alloy workpiece, mainly comprising the following steps:
[0048] (1) Pretreatment: At room temperature, use an alkaline degreaser to degrease the surface of the aluminum alloy workpiece, then clean it with water, and dry it with compressed air;
[0049] (2) Preparation of protective glue: Weigh 30% of silicone rubber, 20% of acrylate, 35% of epoxy resin, 6% of benzoyl peroxide, 4% of hydroquinone and 5% % silane coupling agent, then add the above-mentioned components into the container in turn, and stir while adding until the stirring is even, that is, the protective glue is obtained;
[0050] (3) Protection of the non-micro-arc oxidation area: first use paper tape to enclose the area into a closed area along t...
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