Bactericidal and antiviral compositions for finishing textiles
An anti-virus and textile technology, applied in textiles and papermaking, chemicals for biological control, fungicides, etc., can solve the problems of poor wettability of fabrics and difficult secondary finishing
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[0035] The preparation method of described biquaternary ammonium salt A comprises the following steps:
[0036]Add epichlorohydrin to the reactor, raise the temperature to 75°C, slowly add long-chain alkyl tertiary amine dropwise, after the dropwise addition, stir for 0.5h, cool down to 60°C, add acetonitrile, and then add 1-β-D in 3 times -ribofuranose-1,2,4-triazole-3-hydroxyamide, heat preservation reaction for 7h, cool to room temperature, concentrate under reduced pressure, add acetone and stir for 0.5h, concentrate under reduced pressure to obtain bisquaternary ammonium salt A; The molar ratio of epichlorohydrin to the long-chain alkyl tertiary amine and the 1-β-D-ribofuranose-1,2,4-triazole-3-hydroxyamide is 1:0.56:0.5; The weight ratio of the epichlorohydrin to the acetonitrile and the acetone is 1:6:4, and the long-chain alkyl tertiary amine is tetradecyldimethyl tertiary amine.
[0037] The preparation method of described double quaternary ammonium salt B comprises ...
Embodiment 1
[0066] The bactericidal and antiviral composition for modifying textiles includes 32 parts of chitosan quaternary ammonium salt, 5 parts of penetrant, 3 parts of cationic surfactant, 6 parts of modified chitosan loaded with nano-silver, and 45 parts of purified water ; In the chitosan quaternary ammonium salt, the weight ratio of the chitosan grafted biquaternary ammonium salt A and the biquaternary ammonium salt B to the biquaternary ammonium salt B is 1:0.4; The long-chain alkyl tertiary amine comprises tetradecyl dimethyl tertiary amine; organosilicon in the modified chitosan is 3-(2,3-glycidyloxy) propyltrimethoxysilane and 3 - glycidyl ether oxypropylmethyldiethoxysilane; the penetrating agent is fatty alcohol polyoxyethylene ether; the cationic surfactant is stearyloxyethyl ammonium chloride; the shell The weight average molecular weight of polysaccharide is 12000;
[0067] The preparation method of the bactericidal antiviral composition for modifying textiles, comprise...
Embodiment 2
[0084] The bactericidal and antiviral composition for modifying textiles comprises 20 parts of chitosan quaternary ammonium salt, 5 parts of penetrant, 3 parts of cationic surfactant, 15 parts of modified chitosan loaded with nano-silver, and 45 parts of purified water ; In the chitosan quaternary ammonium salt, the weight ratio of the chitosan grafted biquaternary ammonium salt A and the biquaternary ammonium salt B to the biquaternary ammonium salt B is 1:0.4; The long-chain alkyl tertiary amine comprises tetradecyl dimethyl tertiary amine; organosilicon in the modified chitosan is 3-(2,3-glycidyloxy) propyltrimethoxysilane and 3 - glycidyl ether oxypropylmethyldiethoxysilane; the penetrating agent is fatty alcohol polyoxyethylene ether; the cationic surfactant is stearyloxyethyl ammonium chloride; the shell The weight average molecular weight of polysaccharide is 12000;
[0085] The preparation method of the bactericidal antiviral composition used for modifying textiles, t...
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