Aminated gelatin-polypropylene composite air filter material and preparation method thereof
An air filter material, a technology of aminated gelatin, applied in chemical instruments and methods, filtration separation, membrane filters, etc., can solve the problems of easy breeding of harmful microorganisms in filter materials, secondary pollution, and insufficient removal of fine particles, etc., to achieve Excellent filtration efficiency, reduced filtration resistance, and improved air filtration performance
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[0029] An aminated gelatin-polypropylene composite electret air filter material, composed of the following raw material components in parts by weight: polypropylene 55, silicon monoxide 10, powdered activated carbon 11, 3-aminopropyltriethoxysilane coupling Agent 3, glacial acetic acid 0.9, deionized water amount, low density polyethylene wax 2, antioxidant 1010 1.2, titanate coupling agent 1, gelatin phosphate buffer solution amount, gelatin 8, diethylenetriamine 14, 1- (3-Dimethylaminopropyl)-3-ethylcarbodiimide salt 3, an appropriate amount of 5mol / L hydrochloric acid solution.
[0030] Specific steps are as follows:
[0031] (1) Preparation of amino gelatin:
[0032] Prepare a gelatin phosphate buffer solution with a pH value of 5 and a mass concentration of 1%, add diethylenetriamine, 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide salt and mix well, and use 5mol / L hydrochloric acid solution to adjust the pH value of the solution to 5, react at 30°C for 5 hours, dialyze ...
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