Composition for preparing sponge powder puff and preparation method of composition
A technology of composition and powder puff, which is applied in the container, application, and household appliances of cosmetic powder, etc., can solve the problems of complex raw materials and processes, environmental protection impact, etc., and achieve simple preparation method, easy operation, excellent hydrophilicity and hand feeling The effect of comfort
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Embodiment 1
[0026] Prepolymer component: Weigh ethylene oxide-propylene oxide copolyether polyol DGL-8000 (customized by Bluestar Dongda Company, with ethylene oxide content of 50%, molecular weight of 8000, and average functionality of 3) 70g, polytetrahydrofuran ether polyol PTMG2000, BASF product, molecular weight is 2000, average functionality is 2) 30g, 1,4-butanediol 3g, placed in a reaction kettle, heated to 105 ℃ under vacuum (-0.09MPa) Dehydration for 1.5 hours, then cooling to 45°C, adding 30g of toluene diisocyanate (TDI), slowly warming up to 80°C in 30min, holding the reaction for 2.5 hours, sampling and detecting, the mass content of -NCO is 7.0%, cooling to 50°C for discharging , sealed and stored.
[0027] Foaming agent components: Weigh 1.0g of silicone oil DC6070 into 100g of distilled water, stir evenly, and store in a sealed container.
[0028] Weigh 100 g of the prepolymer component and 70 g of the foaming agent component and mix quickly and evenly, pour it into a mo...
Embodiment 2
[0030] Prepolymer components: Weigh ethylene oxide-propylene oxide copolyether polyol DGL-800080g, ethylene oxide-propylene oxide copolyether polyol DEL-5000 (customized by Bluestar Dongda Company, ethylene oxide The content of alkane is 80%, the molecular weight is 5000, the average functionality is 2) 20g, and diethylene glycol 4g is placed in the reactor, heated to 100°C and dehydrated under vacuum (-0.09MPa) for 1.5 hours, and then cooled to 45°C , add 28g of toluene diisocyanate (TDI), slowly heat up to 80°C in 40min, keep the reaction for 2.5 hours, sample and detect, the mass content of -NCO is 6.5%, cool to 50°C for discharging, and seal it for storage.
[0031] Foaming agent components: Weigh 1.5g of silicone oil AK7703 into 100g of distilled water, stir evenly, and store in a sealed container.
[0032] Weigh 100 g of the prepolymer component and 90 g of the foaming agent component and mix quickly and evenly, pour it into a mold, and cure for 3 minutes to obtain a spo...
Embodiment 3
[0034] Prepolymer components: Weigh 100 g of polyether polyol DGL-8000 (customized by Bluestar Dongda Company) and 5 g of dipropylene glycol, put them in a reaction kettle, heat up to 100 °C and dehydrate under vacuum (-0.09MPa) for 1.5 hour, then be cooled to 50 ℃, add the toluene diisocyanate (TDI) of 26g, be slowly warmed up to 65 ℃ in 20min, heat preservation reaction 2.0 hours, take a sample and detect, the mass content of -NCO is 6.0%, be cooled to 50 ℃ of discharge, seal save.
[0035] Foaming agent components: Weigh 0.5g of silicone oil Y-10366 into 100g of distilled water, stir evenly, and store in a sealed container.
[0036] Weigh 100 g of the prepolymer component and 50 g of the foaming agent component and mix quickly and evenly, pour it into a mold, and cure for 3 minutes to obtain a sponge puff material.
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