Preparation method for corrosion-resistant and flame retardant crude wood
A log and flame-retardant technology, applied in wood treatment, impregnated wood, manufacturing tools, etc., can solve the problem that wood is not easy to be corroded, and achieve the effect of improving water resistance and stability
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[0012] A method for preparing anticorrosive and flame retardant logs, which includes the following steps:
[0013] (1) Preparation of combustion-supporting preservative: Mix amidine urea phosphate, boric acid, borax, N-(2-benzimidazolyl)-methyl carbamate and water, and the ratio of the raw materials of the amidine urea phosphate is The molar ratio of urea, dicyandiamide, and phosphoric acid is 0.005~0.07:1:0.85-1, the weight of the amidine urea phosphate, boric acid, borax, N-(2-benzimidazolyl)-methyl carbamate and water The proportion is 60~70%: 20~30%: 2~8%: 0.05~0.2%: 10~15%; the urea, dicyandiamide and phosphoric acid are added to water and reacted at 80~100℃ to obtain the amidino phosphate Urea, when the pH value is adjusted to 4.0, add boric acid and borax, keep it at 80~100℃ for 60 minutes, and finally add N-(2-benzimidazolyl)-methyl carbamate to prepare anticorrosive flame retardant;
[0014] (2) Carry out vacuum pressure impregnation treatment on the wood to make the wood...
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