Mould-proof sponge material and method for preparing same
A sponge and anti-mildew technology, applied in the field of sponge materials, can solve the problems of difficult cleaning of starch, deterioration of starch products, and limited application scope of products, and achieve good anti-mildew and antibacterial effects, high porosity, and easy industrialized production.
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Embodiment 1
[0030] (1) Weigh 80kg of 20wt% polyvinyl alcohol aqueous solution, 11kg of tristyrylphenol polyoxyethylene ether, 2kg of sodium alginate, 1kg of sorbitol fatty acid ester, 0.2kg of sodium diamylsuccinate sulfonate, carbonic acid Sodium hydrogen 0.1kg, sodium silicate 0.1kg and azobisisobutyronitrile 0.01kg, mix well;
[0031] (2) Slowly add 1kg of glutaraldehyde, 1kg of polyvinyl butyral and 0.01kg of carbon black, stir for 0.5 hours, put into the mold and solidify at 18MPa, rinse and dry after molding to obtain mildew-proof sponge material.
[0032] Among them, the specific process of curing and molding includes: successively holding heat at 100°C, 110°C, and 120°C under airtight conditions for 10 minutes, cooling down to 60°C, and holding the heat until the curing is completed.
[0033] The performance test results of the mold-proof sponge material are shown in Table 1.
Embodiment 2
[0035] (1) Weigh 80kg of 20wt% polyvinyl alcohol aqueous solution, 11kg of tristyrylphenol polyoxyethylene ether, 2kg of sodium alginate, 1kg of sorbitol fatty acid ester, 0.2kg of sodium diamylsuccinate sulfonate, carbonic acid Sodium hydrogen 0.1kg, sodium silicate 0.1kg, azobisisobutyronitrile 0.01kg and polyoxyethylene oleate 1kg, mix well;
[0036] (2) Slowly add 1kg of glutaraldehyde, 1kg of polyvinyl butyral and 0.01kg of carbon black, stir for 0.5 hours, put into the mold and solidify at 18MPa, rinse and dry after molding to obtain mildew-proof sponge material.
[0037] Among them, the specific process of curing and molding includes: successively holding heat at 100°C, 110°C, and 120°C under airtight conditions for 10 minutes, cooling down to 60°C, and holding the heat until the curing is completed.
[0038] The performance test results of the mold-proof sponge material are shown in Table 1.
Embodiment 3
[0040] (1) Weigh 100kg of 30wt% polyvinyl alcohol aqueous solution, 18kg of tristyrylphenol polyoxyethylene ether, 3kg of sodium alginate, 2kg of sorbitol fatty acid ester, 0.8kg of sodium diamylsuccinate sulfonate, carbonic acid Sodium hydrogen 0.2kg, sodium silicate 0.2kg, azobisisobutyronitrile 0.03kg and polyoxyethylene oleate 1kg, mix well;
[0041] (2) Slowly add 2kg of glutaraldehyde, 2kg of polyvinyl butyral and 0.02kg of carbon black, stir for 2 hours, add to the mold and solidify at 25MPa, rinse and dry after molding to obtain a mildew-proof sponge material.
[0042] Among them, the specific process of curing and molding includes: successively holding heat at 105°C, 115°C, and 130°C under airtight conditions for 30 minutes, cooling down to 70°C, and holding the heat until the curing is completed.
[0043] The performance test results of the mold-proof sponge material are shown in Table 1.
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