Method for modifying cotton fabrics by adopting tetrabutyl titanate
A technology of butyl titanate and cotton fabrics, which is applied to the modification of cotton fabrics. The use of butyl titanate to modify cotton fabrics can solve the problem of poor bonding fastness between nanoparticles and fibers, and easy aggregation of nanoparticles. The fabric is not resistant to washing and other problems, so as to achieve the effect of saving raw materials, excellent anti-ultraviolet and antibacterial ability, and good washing resistance
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Embodiment 1
[0028]Weigh 10 g of cotton fabric and 5 g of butyl titanate, respectively. Cotton fabrics were washed with deionized water and absolute ethanol solution with a volume ratio of 1:1 at a temperature of 80°C, ultrasonically oscillated at 50KHz and 100W for 30 minutes, dried at 60°C, and deionized butyl titanate was used at a ratio of 1:10. Dilute with water; then soak the cotton fabric in the butyl titanate aqueous solution for 10 minutes, add the cotton fabric together with the butyl titanate solution into a 200ml high-temperature and high-pressure reactor, and fill it with deionized water to 60% of the reactor volume, Put the sealed reactor in an oven at 80°C for 3 hours at a constant temperature; after the reaction, wash with 2g / L soap flakes and 2g / L soda ash solution at 90°C for 15 minutes at a bath ratio of 1:30, then wash with Repeated washing in hot water and cold water at 90°C, and drying at 60°C. Figure 4 It is the ultraviolet reflection spectrum curve of cotton fabri...
Embodiment 2
[0031] Weigh 20g of cotton fabric and 5g of butyl titanate respectively. Cotton fabrics were washed with deionized water and absolute ethanol solution with a volume ratio of 1:1 at a temperature of 80°C, ultrasonically washed at 50KHz and 100W for 30min, and dried at 60°C; Dilute with water; then soak the cotton fabric in the butyl titanate aqueous solution for 30min, add the cotton fabric together with the butyl titanate solution into a 200ml high-temperature and high-pressure reactor, and fill it with deionized water to 80% of the reactor volume, Put the sealed reactor in an oven at 130°C for 6 hours; after the reaction, wash with 2g / L soap flakes and 2g / L soda ash solution at 90°C with a bath ratio of 1:30 for 15 minutes, then wash with 90 ℃ hot water, cold water wash repeatedly, 60 ℃ drying. Figure 5 It is the ultraviolet reflection spectrum curve of cotton fabric before and after modification by the above process. It can be seen that after the cotton fabric is hydrothe...
Embodiment 3
[0034] Weigh 15g of cotton fabric and 5g of butyl titanate respectively. Cotton fabrics were washed with deionized water and absolute ethanol solution with a volume ratio of 1:1 at a temperature of 80°C, ultrasonically washed at 50KHz and 100W for 30min, and dried at 60°C; Dilute with water; then soak the cotton fabric in the butyl titanate aqueous solution for 15min, add the cotton fabric together with the butyl titanate solution into a 200ml high temperature and high pressure reactor, and fill it with deionized water to 70% of the reactor volume, Put the sealed reaction kettle in an oven at 120°C for 5 hours; after the reaction, wash with 2g / L soap flakes and 2g / L soda ash solution at 90°C for 15 minutes at a bath ratio of 1:30, then wash with 90 ℃ hot water, cold water wash repeatedly, 60 ℃ drying. Figure 6 It is the ultraviolet reflection spectrum curve of cotton fabric before and after modification by the above process. It can be seen that after the cotton fabric is hy...
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