Uvioresistant and antifouling windshield washer fluid and preparation method thereof
An anti-ultraviolet and glass water technology, which is applied in the direction of chemical instruments and methods, preparation of detergent mixture compositions, anti-corrosion compositions, etc., can solve the problems of erosion, strong cleaning ability, and impact on windshield and other substrates, Achieve the effects of improving anti-ultraviolet function, improving ecological balance, and improving decontamination effect
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[0034]The diamond-shaped aster, water hyacinth, lavender, rosemary, and grape (mass ratio of 1:1:1:1:1) are pre-dried in an oven at 27~32℃ for 4h, and then fully crushed in a medicine crusher , Soak in 75% ethanol aqueous solution, and add a small amount of baking soda, the mass ratio of dry biological material, ethanol aqueous solution, and baking soda is 1.5:22.5:0.15, mix the whole system evenly, soak for 8 hours and filter to get the preliminary Extract
[0035]The preliminary extract obtained by filtration is separated by dialysis with a dialysis membrane with a molecular weight cut-off of 400-800. The separation time is 1 to 3 days. After the dialysis is completed, it is concentrated by rotary evaporation, and then the entire system is pumped through a filter paper with a pore size of 1 to 5 μm. Filter, the pump pressure is 0.03MPa, to obtain the bio-mass anti-ultraviolet active extract;
[0036]Heat the dried aster, water hyacinth, lavender, rosemary, and grapes (mass ratio 1:1:1:1...
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