Summary of the invention
The object of the present invention is to provide and a kind ofly have strong detergency and sterilization is mothproof, the biological easily preparation method of the mothproof soft type fabric detergent of sterilization of characteristics such as degraded, environmental protection.
For achieving the above object, the technical solution used in the present invention is:
1) mono-esterification of citric acid and chitosan
7~12 parts of citric acids and 4~8 parts of chitosans, 0.1~0.6 part of tosic acid are mixed in dry, anhydrous reactor and be stirred and heated to 100 ℃~130 ℃ by mass fraction, be incubated 3.5~4 hours, be down to room temperature and obtain citric acid chitosan monoester type tensio-active agent;
2) preparation of the mothproof soft type fabric detergent of sterilization
Press mass fraction with 1~5 part of citric acid chitosan monoester type tensio-active agent and 2~8 parts of oleic acid polyoxyethylene glycol (PEG600) ester, 8~12 parts of Witco 1298 Soft Acids, 1~5 part of trimethyl-glycine, 0.5~3 part of Virahol and an amount of spices and 67~87.5 parts of water mixing and stirring, regulating mixture pH with sodium hydroxide is 6.5, namely obtains the mothproof soft type fabric detergent of sterilization.
The present invention makes citric acid and chitosan generate the citric acid chitosan monoesters of the mothproof effect of tool sterilization by single-esterification earlier, its structural formula is seen formula one, carry out compositely with the oleic acid macrogol ester with softening fabrics fiber effect and component again, it is mothproof and improve multi-functional such as fabric feeling to make that washing composition of the present invention has sterilization concurrently.
Embodiment
Embodiment 1:
1) mono-esterification of citric acid and chitosan
7 parts of citric acids and 4 parts of chitosans, 0.1 part of tosic acid are mixed in dry, anhydrous reactor and be stirred and heated to 100 ℃ by mass fraction, be incubated 4 hours, be down to room temperature and obtain citric acid chitosan monoester type tensio-active agent;
2) preparation of the mothproof soft type fabric detergent of sterilization
Press mass fraction with 5 parts of citric acid chitosan monoester type tensio-active agents and 4 parts of oleic acid polyoxyethylene glycol (PEG600) ester, 8 parts of Witco 1298 Soft Acids, 1 part of trimethyl-glycine, 0.5 part of Virahol and an amount of spices and 87.5 parts of water mixing and stirring, regulating mixture pH with sodium hydroxide is 6.5, namely obtains the mothproof soft type fabric detergent of sterilization.
Embodiment 2:
1) mono-esterification of citric acid and chitosan
9 parts of citric acids and 5 parts of chitosans, 0.2 part of tosic acid are mixed in dry, anhydrous reactor and be stirred and heated to 120 ℃ by mass fraction, be incubated 3.5 hours, be down to room temperature and obtain citric acid chitosan monoester type tensio-active agent;
2) preparation of the mothproof soft type fabric detergent of sterilization
Press mass fraction with 2 parts of citric acid chitosan monoester type tensio-active agents and 2 parts of oleic acid polyoxyethylene glycol (PEG600) ester, 10 parts of Witco 1298 Soft Acids, 3 parts of trimethyl-glycines, 2 parts of Virahols and an amount of spices and 67 parts of water mixing and stirring, regulating mixture pH with sodium hydroxide is 6.5, namely obtains the mothproof soft type fabric detergent of sterilization.
Embodiment 3:
1) mono-esterification of citric acid and chitosan
11 parts of citric acids and 6 parts of chitosans, 0.4 part of tosic acid are mixed in dry, anhydrous reactor and be stirred and heated to 110 ℃ by mass fraction, be incubated 3.5 hours, be down to room temperature and obtain citric acid chitosan monoester type tensio-active agent;
2) preparation of the mothproof soft type fabric detergent of sterilization
Press mass fraction with 3 parts of citric acid chitosan monoester type tensio-active agents and 6 parts of oleic acid polyoxyethylene glycol (PEG600) ester, 12 parts of Witco 1298 Soft Acids, 4 parts of trimethyl-glycines, 2 parts of Virahols and an amount of spices and 77 parts of water mixing and stirring, regulating mixture pH with sodium hydroxide is 6.5, namely obtains the mothproof soft type fabric detergent of sterilization.
Embodiment 4:
1) mono-esterification of citric acid and chitosan
10 parts of citric acids and 7 parts of chitosans, 0.5 part of tosic acid are mixed in dry, anhydrous reactor and be stirred and heated to 105 ℃ by mass fraction, be incubated 4 hours, be down to room temperature and obtain citric acid chitosan monoester type tensio-active agent;
2) preparation of the mothproof soft type fabric detergent of sterilization
Press mass fraction with 4 parts of citric acid chitosan monoester type tensio-active agents and 7 parts of oleic acid polyoxyethylene glycol (PEG600) ester, 9 parts of Witco 1298 Soft Acids, 5 parts of trimethyl-glycines, 3 parts of Virahols and an amount of spices and 82 parts of water mixing and stirring, regulating mixture pH with sodium hydroxide is 6.5, namely obtains the mothproof soft type fabric detergent of sterilization.
Embodiment 5:
1) mono-esterification of citric acid and chitosan
8 parts of citric acids and 4 parts of chitosans, 0.3 part of tosic acid are mixed in dry, anhydrous reactor and be stirred and heated to 115 ℃ by mass fraction, be incubated 4 hours, be down to room temperature and obtain citric acid chitosan monoester type tensio-active agent;
2) preparation of the mothproof soft type fabric detergent of sterilization
Press mass fraction with 1 part of citric acid chitosan monoester type tensio-active agent and 2 parts of oleic acid polyoxyethylene glycol (PEG600) ester, 11 parts of Witco 1298 Soft Acids, 1 part of trimethyl-glycine, 1 part of Virahol and an amount of spices and 83.5 parts of water mixing and stirring, regulating mixture pH with sodium hydroxide is 6.5, namely obtains the mothproof soft type fabric detergent of sterilization.
Embodiment 6:
1) mono-esterification of citric acid and chitosan
12 parts of citric acids and 8 parts of chitosans, 0.6 part of tosic acid are mixed in dry, anhydrous reactor and be stirred and heated to 130 ℃ by mass fraction, be incubated 3.5 hours, be down to room temperature and obtain citric acid chitosan monoester type tensio-active agent;
2) preparation of the mothproof soft type fabric detergent of sterilization
Press mass fraction with 4 parts of citric acid chitosan monoester type tensio-active agents and 8 parts of oleic acid polyoxyethylene glycol (PEG600) ester, 8 parts of Witco 1298 Soft Acids, 2 parts of trimethyl-glycines, 1.5 parts of Virahols and an amount of spices and 77.5 parts of water mixing and stirring, regulating mixture pH with sodium hydroxide is 6.5, namely obtains the mothproof soft type fabric detergent of sterilization.
Mothproof soft type fabric detergent of the present invention is with composite forming such as citric acid chitosan mono-esterification, oleic acid polyoxyethylene glycol, trimethyl-glycine, Witco 1298 Soft Acids, have washing, sterilization is mothproof and multiple function such as softening, environmentally friendly, performance is gentle, to characteristics such as human body nonirritant, susceptibility, therefore, can be widely used in washings such as various clothings, household supplies, bedclothes, be specially adapted to the washing arrangement of natural fabrics such as high-grade real silk, linen-cotton.The mothproof soft type fabric detergent of the inventive method gained has characteristics such as function is remarkable, environmental protection, prescription is reasonable, preparation technology is simple.