Fireproof coating
A kind of fire-proof coating and fire-proof technology, applied in fire-proof coating, polyurea/polyurethane coating, coating, etc., can solve the problems of poor dispersion effect, lower stability of polymer micelles, lower production efficiency, etc., and achieve a higher ratio Effect of surface area, achieved water loss and water retention properties
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Embodiment 1
[0030] The present embodiment provides a fireproof sepiolite fiber slurry, which comprises the following parts by weight: 30 parts of modified sepiolite wool, 5 parts of talcum powder, 12 parts of vegetable rubber powder, 15 parts of polypropylene fiber, 3 parts of cellulose ether, 2 parts of surfactant, 80 parts of deionized water, its preparation method is:
[0031] (1) Preparation of modified sepiolite wool: acid activation: mix sepiolite and acid solution according to the ratio of solid to liquid weight ratio of 1:1.5, stir for 12 hours, and the volume fraction of acid solution is 2% mixed acid to obtain sepiolite slurry 1; wherein, the mixed acid is a mixture of hydrochloric acid and phosphoric acid, and its molar ratio is 1:1;
[0032] (2) Alkali neutralization: the first sepiolite slurry after acid activation is mixed with ammonia according to the ratio of solid-to-liquid weight ratio of 1:1.5, and stirred for 12 hours to obtain the second sepiolite slurry, wherein , t...
Embodiment 2
[0035] On the basis of Example 1, step (1) changes sepiolite and acid liquid according to the ratio of solid-to-liquid weight ratio from 1:1.5 to the ratio of 1:2 according to the solid-to-liquid weight ratio, and the other preparation steps are the same to obtain Fireproof sepiolite fiber slurry B
Embodiment 3
[0037] On the basis of Example 1, hydrochloric acid in step 1 was replaced with sulfuric acid, and other preparation steps were the same to obtain fireproof sepiolite fiber slurry C.
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