Preparation method of SiO2 modified natural latex compact condom
A natural rubber latex and condom technology, applied in the direction of coating, etc., can solve the problems of poor condom effect, achieve good affinity, small particles, and improve compatibility
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Embodiment 1
[0023] A SiO 2 The preparation method of modified natural latex compact type condom, comprises the following steps:
[0024] 1) Preparation of plant extract solution: weigh 10% wild chrysanthemum flower extract, 3.2% Pingpingjia O-25, 1.4% polyacrylamide and 85.4% deionized water according to the mass fraction, heat the deionized water to 60°C and add natural Stir the plant extract until it is completely dissolved, then add Pingpingjia O-25 and polyacrylamide and stir for 30 minutes, then let it stand for 1 hour, filter and take the filtrate to obtain the plant extract solution;
[0025] 2) Preparation of nano-SiO 2 Dispersion: Weigh 100 parts by weight of deionized water, add 0.8 parts by weight of dispersant 5040 and 0.4 parts by weight of diffusing agent NF, adjust the pH to 9-10 with ammonia water, add 15 parts by weight of SiO with a particle size of 20nm 2 Powder and 1 weight part of coupling agent A-171, ground for 3 hours with a ball mill, then ultrasonically oscilla...
Embodiment 2
[0034] A SiO 2 The preparation method of modified natural latex compact type condom, comprises the following steps:
[0035] 1) Preparation of plant extract solution: weigh 10% honeysuckle extract, 3.2% Pingpinga O-25, 1.4% polyacrylamide and 85.4% deionized water according to mass fraction, heat the deionized water to 60°C and add natural plants Stir the extract until it is completely dissolved, then add Pingpingjia O-25 and polyacrylamide and stir for 30 minutes, then let it stand for 1 hour, filter and take the filtrate to obtain a plant extract solution;
[0036] 2) Preparation of nano-SiO 2 Dispersion: Weigh 100 parts by weight of deionized water, add 0.8 parts by weight of dispersant 5040 and 0.4 parts by weight of diffusing agent NF, adjust the pH to 9-10 with ammonia water, add 15 parts by weight of SiO with a particle size of 10nm 2 Powder and 1 weight part of coupling agent A-171, ground for 3 hours with a ball mill, then ultrasonically oscillated for 1 hour, filte...
Embodiment 3
[0045] A SiO 2 The preparation method of modified natural latex compact type condom, comprises the following steps:
[0046] 1) Preparation of plant extract solution: weigh 10% wild chrysanthemum flower extract, 3.2% Pingpingjia O-25, 1.4% polyacrylamide and 85.4% deionized water according to the mass fraction, heat the deionized water to 60°C and add natural Stir the plant extract until it is completely dissolved, then add Pingpingjia O-25 and polyacrylamide and stir for 30 minutes, then let it stand for 1 hour, filter and take the filtrate to obtain the plant extract solution;
[0047] 2) Preparation of nano-SiO 2 Dispersion: Weigh 100 parts by weight of deionized water, add 0.8 parts by weight of dispersant 5040 and 0.4 parts by weight of diffusing agent NF, adjust the pH to 9-10 with ammonia water, add 15 parts by weight of SiO with a particle size of 30nm 2 Powder and 1 weight part of coupling agent A-171, ground for 3 hours with a ball mill, then ultrasonically oscilla...
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