Process for preparing negative ion far infrared acrylic yarn
A negative ion far-infrared, manufacturing process technology, applied in the direction of rayon manufacturing, textiles and papermaking, single-component synthetic polymer rayon, etc., can solve the problems that cannot produce permanent effects, improve wearing performance, and purify the air , the effect of improving human health
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[0034]Take 75 parts of finely ground (325 mesh) ilmenite concentrate, put it in a reaction kettle, add 15 parts of concentrated sulfuric acid, stir evenly, heat up, and keep stirring frequently. When the temperature rises to 120°C, keep it warm for 30 minutes , and keep stirring the reactant to make it react fully and then gradually cool down to 60°C, keep it warm for 60 minutes, then slowly add 8 parts of Na 2 CO 3 solution, forming Ti(OH) 4 After that, add 2 parts of ZnSO4 solution to it, raise the temperature to 150°C, roast for 60 minutes, lower the temperature, cool down, wash the obtained product with water, filter, dry, and pulverize it to make TiO with a particle size of 30-50 nanometers. 2 Ultrafine powder component A.
[0035] Take 5Kg tourmaline, crush it into powder particles with a particle size of about 15mm through a rotary pulverizer, and then pulverize it with a Raymond mill to a particle size of about 20 μm. After wet grinding in a sand mill for 3 hours, an...
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