Environment-friendly efficient filter filtering paper and preparation method thereof
A filter and high-efficiency technology, applied in chemical instruments and methods, filter paper, separation methods, etc., can solve the problems of poor performance such as high temperature resistance and burst resistance, low filtration efficiency of filters, and short service life, etc., to achieve Good water resistance, stable performance index, and strong bursting strength
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[0019] An environmentally friendly high-efficiency filter paper, made of the following raw materials in parts by weight: 50 parts of softwood pulp, 40 parts of waste paper pulp, 30 parts of high-silica glass fiber, 5 parts of modified vermiculite, 3 parts of zeolite molecular sieve, nano 4 parts of calcium, 2 parts of modified fly ash, 3 parts of water-soluble silicone resin emulsion, 2 parts of water-soluble polytetrafluoroethylene emulsion, 0.8 parts of ammonium polyphosphate, 4 parts of triacetin, 1 part of diethanolamide, Silane coupling agent KH560 1 part, sodium lauryl sulfate 0.8 part, antioxidant DSTP 1 part, polyethyleneimine 6 parts.
[0020] The modified vermiculite is prepared by the following method: first grind the vermiculite into a 120 mesh powder, add an appropriate amount of 6mol / L hydrochloric acid solution, stir with an electric stirrer for 30min, let stand for 12h, suction filter, and use distilled water to Neutral, then add 1% vinyltriethoxysilane and 2% ...
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