Ultraviolet-resistant fabric and preparation method thereof
An anti-ultraviolet and ultraviolet technology, applied in the field of anti-ultraviolet fabric and its preparation, can solve the problem that the fabric cannot meet the requirements of anti-ultraviolet radiation, and achieve the effect of reducing ultraviolet transmittance, good anti-ultraviolet effect and good moisture absorption performance
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[0026] Example 1
[0027] An anti-ultraviolet fabric, comprising a fabric surface layer and an anti-ultraviolet layer coated on the fabric surface layer. The fabric surface layer is woven from pure cotton. The anti-ultraviolet layer is made of polyurethane, sodium alginate, and hydroxyethyl. A blend layer of methyl cellulose, hindered amine light stabilizer, hydroxyphenyl benzotriazole ultraviolet absorber, nano ultraviolet absorber and rare earth fluorescent compound.
[0028] The preparation method of the aforementioned anti-ultraviolet fabric includes the following steps:
[0029] (1) Preparation of polyurethane
[0030] First, 70 parts of poly 1,4-butanediol adipate diol was put into the reaction flask for vacuum dehydration, and then 22 parts of hexamethylene diisocyanate, 3 parts of chain extender, and 0.55 parts of catalyst were added. React at 70° C. for 4 hours, cool to room temperature, add 10 parts of ethyl acetate, add 150 parts of distilled water after reacting at room t...
Example Embodiment
[0037] Example 2
[0038] An anti-ultraviolet fabric, comprising a fabric surface layer and an anti-ultraviolet layer coated on the fabric surface layer. The fabric surface layer is woven from cupra and bamboo fibers. The anti-ultraviolet layer is made of polyurethane and alginic acid. Blend layer of sodium, hydroxyethyl methyl cellulose, hindered amine light stabilizer, hydroxyphenyl benzotriazole ultraviolet absorber, nano ultraviolet absorber and rare earth fluorescent compound.
[0039] The preparation method of the aforementioned anti-ultraviolet fabric includes the following steps:
[0040] (1) Preparation of polyurethane
[0041] First put 100 parts of poly(1,4-butanediol adipate) into the reaction flask for vacuum dehydration, then add 15 parts of hexamethylene diisocyanate, 8 parts of chain extender, and 0.02 parts of catalyst. Reacted at 130°C for 3 hours, cooled to room temperature, added 50 parts of ethyl acetate, reacted at room temperature for 2 hours, and then added 18...
Example Embodiment
[0048] Example 3
[0049] An anti-ultraviolet fabric, comprising a fabric surface layer and an anti-ultraviolet layer coated on the fabric surface layer. The fabric surface layer is woven from vinylon, and the anti-ultraviolet layer is made of polyurethane, sodium alginate, and hydroxyethyl. Blend layer of methyl cellulose, light stabilizer HS-112, UV-384, nano-peroxide and europium (Ⅲ) organic complex.
[0050] The preparation method of the aforementioned anti-ultraviolet fabric includes the following steps:
[0051] (1) Preparation of polyurethane
[0052] First put 80 parts of poly 1,4-butanediol adipate diol into the reaction flask for vacuum dehydration, then add 20 parts of hexamethylene diisocyanate, 5 parts of diethylene glycol, 0.1 One part of dimethylethanolamine was reacted at 100°C for 3.2 hours, cooled to room temperature, 30 parts of ethyl acetate were added, and after 2.5 hours of reaction at room temperature, 160 parts of distilled water were added to obtain an aqueou...
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