Sound absorbing, flame-retardant and flame-retardant wall cloth and preparation method thereof
A technology of wall covering and polypropylene, which is applied in the manufacture of fire-resistant and flame-retardant filaments, non-woven fabrics, and rayon. It can solve problems such as poor flame-retardant and wear-resistant properties, violent combustion, and endangering the safety of indoor personnel. , to achieve the effect of improving viscosity, increasing compatibility and enhancing wear resistance
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preparation example Construction
[0045] Preparation of the mixture:
[0046] Weigh the corn stalk fiber and put it into a pulverizer for pulverization, and mix the pulverized product with a sodium hydroxide solution with a concentration of 0.5 mol / L and a potassium permanganate solution with a concentration of 0.3 mol / L at a mass ratio of 1:10:4 Finally, put it into a water bath, stir and mix to obtain a mixed solution;
[0047] Preparation of pretreated corn stover fiber:
[0048] Raise the temperature of the above-mentioned water bath to 90-100°C, heat preservation pre-oxidation treatment for 40-60 minutes, filter and separate the filter residue after the pre-oxidation treatment, and obtain the filter residue, magnesium chloride solution with a concentration of 2mol / L and chlorine with a concentration of 1mol / L The zinc chloride solution was mixed according to the mass ratio of 1:7, placed on a shaker for oscillating reaction for 1 to 2 hours, then filtered, and the filter residue was obtained by separatio...
example 1
[0058] Preparation of the mixture:
[0059] Weigh the corn stalk fiber and put it into a pulverizer for pulverization, and mix the pulverized product with a sodium hydroxide solution with a concentration of 0.5 mol / L and a potassium permanganate solution with a concentration of 0.3 mol / L at a mass ratio of 1:10:4 Finally, put it into a water bath, stir and mix to obtain a mixed solution;
[0060] Preparation of pretreated corn stover fiber:
[0061] Raise the temperature of the above-mentioned water bath to 90°C, heat the pre-oxidation treatment for 40 minutes, filter and separate the filter residue after the pre-oxidation treatment is completed, and combine the obtained filter residue and the magnesium chloride solution with a concentration of 2mol / L and the zinc chloride solution with a concentration of 1mol / L by Mix at a mass ratio of 1:7, place on a shaker to vibrate for 1 hour, filter, and separate to obtain a filter residue;
[0062] Mix the filter residue and deionize...
example 2
[0071] Preparation of the mixture:
[0072] Weigh the corn stalk fiber and put it into a pulverizer for pulverization, and mix the pulverized product with a sodium hydroxide solution with a concentration of 0.5 mol / L and a potassium permanganate solution with a concentration of 0.3 mol / L at a mass ratio of 1:10:4 Finally, put it into a water bath, stir and mix to obtain a mixed solution;
[0073] Preparation of pretreated corn stover fiber:
[0074] Raise the temperature of the above-mentioned water bath to 95°C, heat preservation and pre-oxidation treatment for 50 minutes, filter and separate the filter residue after the pre-oxidation treatment is completed, and obtain the filter residue and the magnesium chloride solution with a concentration of 2mol / L and the zinc chloride solution with a concentration of 1mol / L. Mixed at a mass ratio of 1:7, placed on a shaker and oscillated for 2 hours, filtered, and separated to obtain a filter residue;
[0075] Mix the filter residue ...
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