Concrete surface protection system
A technology for concrete surface and protection system, applied in coating and other directions, can solve the problems of inability to guarantee long-term waterproof requirements of concrete structures, limited waterproof ability, complicated preparation process, etc., to maintain natural texture and texture, excellent waterproof, and improve anti-corrosion. Effect
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[0032] Example 1 Preparation of primer
[0033] The primer mainly consists of the following components in parts by weight:
[0034] Methyltriethoxysilane 55 g;
[0035] Polymethyltriethoxysiloxane 15 g;
[0036] Sodium lauryl sulfate 2 g;
[0037] 1,2-Benzisothiazolin-3-one 1 g.
[0038] The preparation method is specifically:
[0039] At room temperature, first mix sodium lauryl sulfate and an appropriate amount of water to obtain solution I. Disperse polymethyltriethoxysiloxane into solution I to obtain solution II. Solution II is stirred at 1000 rpm Stir for 15 minutes, and then keep the same stirring speed. Add methyltriethoxysilane to solution II at a rate of 3-5 drops per second. After the addition is complete, solution III is obtained. Add anti-corrosion to solution III. The agent 1,2-benzisothiazolin-3-one is then stirred at 1000 rpm for 45 minutes.
Example Embodiment
[0040] Example 2 Preparation of primer
[0041] The primer mainly consists of the following components in parts by weight:
[0042] Isobutyl triethoxysilane 75g;
[0043] Polymethyltriethoxysiloxane 25 g;
[0044] Sodium lauryl sulfate 3 g;
[0045] 1,2-Benzisothiazolin-3-one 2 g.
[0046] The preparation method is specifically:
[0047] At room temperature, first mix the dispersant sodium lauryl sulfate and an appropriate amount of water to obtain solution I. Disperse polymethyltriethoxysiloxane into solution I to obtain solution II. Solution II is set at 2000 rpm The stirring speed is first stirred for 20 minutes, and then the same stirring speed is maintained. Isobutyltriethoxysilane is added dropwise to solution II at a rate of 3-5 drops per second. After the addition is completed, solution III is obtained. Add to solution III The preservative 1,2-benzisothiazolin-3-one is then stirred at 2000 rpm for 30 minutes.
Example Embodiment
[0048] Example 3 Preparation of primer
[0049] The primer mainly consists of the following components in parts by weight:
[0050] 25 g of methyl triethoxy silane, 50 g of isobutyl triethoxy silane;
[0051] Polymethyltriethoxysiloxane 10 g, cyclomethicone 10 g;
[0052] Sodium lauryl sulfate 4 g;
[0053] 1,2-Benzisothiazolin-3-one 3 g.
[0054] The preparation method is specifically:
[0055] At room temperature, first mix the dispersant sodium lauryl sulfate and an appropriate amount of water to obtain solution I. Disperse polymethyltriethoxysiloxane and cyclomethicone into solution I to obtain Solution II and Solution II were stirred for 20 minutes at a stirring speed of 2000 rpm, and then the same stirring speed was maintained, and methyltriethoxysilane and isobutyltriethoxy were added dropwise to solution II at a rate of 3-5 drops per second The mixed solution of silane, the solution III is obtained after the dripping is completed, the preservative 1,2-benzisothiazolin-3-one is ...
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