Sugar modified silicone oil and application thereof
A technology of modifying silicon and silicone oil, applied in the field of daily chemicals, can solve the problems of skin physiology and metabolic function obstruction, airtight and other problems
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Embodiment 1
[0033] S1. Preparation of aminopolysiloxane
[0034] Add 8.0g of aminopropylmethyldimethoxysilane to the reaction flask in the nitrogen atmosphere, 4.23g of silicone oil containing hydroxyl groups with a molecular weight of 400, catalyst potassium hydroxide and diethylene glycol ether are 0.0005g and 0.1g respectively . The reaction was carried out under stirring condition at 80° C. for 3 hours, and silicon-based phosphate was added to neutralize potassium hydroxide. Aminopolysiloxane A1 was prepared. The amino group content of the aminopolysiloxane A1 was 3.9mmol / g, and the viscosity was 300mpa·s.
[0035] S2. Preparation of sugar-modified silicone oil
[0036] Add 0.694g of gluconolactone, 1.0g of aminopolysiloxane A1 prepared by S1, and 2.93g of pure water into a reaction flask in a nitrogen atmosphere, and react for 3 hours under stirring at 70°C to obtain the sugar-modified Silicone oil B1, pH is neutral.
[0037] Add 0.694g of gluconolactone, 1.0g of aminopolysiloxan...
Embodiment 2
[0040] S1. Preparation of aminopolysiloxane
[0041] Add 8.0g of aminopropylmethyldimethoxysilane to the reaction flask in the nitrogen atmosphere, 4.23g of silicone oil containing hydroxyl groups with a molecular weight of 400, catalyst potassium hydroxide and diethylene glycol ether are 0.0005g and 0.1g respectively . The reaction was carried out under stirring condition at 80° C. for 5 hours, and silicon-based phosphate was added to neutralize potassium hydroxide. Aminopolysiloxane A2 was prepared, the amino group content of the prepared aminopolysiloxane A2 was 3.9 mmol / g, and the viscosity was 600 mPa·s.
[0042] S2. Preparation of sugar-modified silicone oil
[0043] Add 0.694g of gluconolactone, 1.0g of aminopolysiloxane A2 prepared by S1, and 2.93g of pure water into a reaction flask in a nitrogen atmosphere, and react for 3 hours under stirring at 70°C to obtain the sugar-modified Silicone oil B4, pH is neutral.
[0044]Add 0.694g of gluconolactone, 1.0g of aminop...
Embodiment 3
[0047] S1. Preparation of aminopolysiloxane
[0048] Add 8.0g of aminopropylmethyldimethoxysilane to the reaction flask in the nitrogen atmosphere, 2.23g of silicone oil containing hydroxyl groups with a molecular weight of 400, catalyst potassium hydroxide and diethylene glycol ether are 0.0005g and 0.8g respectively . The reaction was carried out under stirring condition at 80° C. for 3 hours, and silicon-based phosphate was added to neutralize potassium hydroxide. Aminopolysiloxane A3 was prepared, the amino group content of the prepared aminopolysiloxane A3 was 4.7mmol / g, and the viscosity was 3000mpa·s.
[0049] S2. Preparation of sugar-modified silicone oil
[0050] Add 0.694g of gluconolactone, 0.828g of amino polysiloxane A3 prepared by S1, and 3.098g of pure water into a reaction flask in a nitrogen atmosphere, and react for 3 hours under stirring at 70°C to obtain the sugar-modified Silicone oil B7, pH is neutral.
[0051] Add 0.694g of gluconolactone, 0.828g of ...
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