A flexible low-density porous polymer material, its preparation method and its application as a human body protection material
A porous polymer, low-density technology, applied in the field of preparation, application of human protection materials, flexible low-density porous polymer materials, can solve the problem of large amplification effect of gel emulsion formulations, unsuitable for the field of human protection materials, porous polymers The problem of high material cost, to achieve the effect of large-scale production stability guarantee, low production cost and low price
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Embodiment 1
[0038] 1) Preparation of gel emulsion
[0039] In terms of mass percentage, the ratio of each component is: compound II 0.1%, oil phase 19.9%, water phase 80%; wherein, the oil phase components are: methyltrimethoxysilane 5%, nitrile rubber 9.9% %, n-hexane 5%;
[0040] At room temperature, stir the oil phase system for 10-20 minutes, dissolve compound II as a stabilizer in the oil phase system, oscillate / stir to form a uniform mixed solution, quickly add the water phase, oscillate / stir for 10-30 min, and form a milky white , Emulsion in viscoelastic state, static until the system becomes micro-fluid / semi-fluid, and gel emulsion is obtained;
[0041] 2) Preparation of flexible low-density porous polymer materials
[0042] The prepared gel emulsion is aged at room temperature for 10-30 minutes, and put into an oil bath for polymerization. The polymerization conditions are as follows: polymerize at room temperature for 4 hours, heat up to 60°C for 12 hours, and then raise the...
Embodiment 2
[0051] 1) Preparation of gel emulsion
[0052] In terms of mass percentage, the ratio of each component is: compound II 0.1%, oil phase 19.9%, water phase 80%; wherein, the oil phase components are: ethyl trimethoxysilane 8%, nitrile rubber 6.9% %, n-hexane 5%;
[0053] At room temperature, stir the oil phase system for 10-20 minutes, dissolve the stabilizer compound II in the oil phase system, oscillate / stir to form a uniform mixed solution, quickly add the water phase, oscillate / stir for 10-30 min, and form a milky white, viscous Elastic emulsion, stand still until the system becomes micro-fluid / semi-fluid, and then make a gel emulsion;
[0054] 2) Preparation of flexible low-density porous polymer materials
[0055] The prepared gel emulsion is aged at room temperature for 10-30 minutes, and put into an oil bath for polymerization. The polymerization conditions are: polymerize at room temperature for 4 hours, raise the temperature to 60°C for 12 hours, and then raise the...
Embodiment 3
[0062] 1) Preparation of gel emulsion
[0063] In terms of mass percentage, the ratio of each component is: compound II 0.1%, oil phase 19.9%, water phase 80%; wherein, the oil phase components are: vinyltrimethoxysilane 7%, nitrile rubber 5% %, n-hexane 7.9%;
[0064] At room temperature, stir the oil phase system for 10-20 minutes, dissolve the stabilizer compound II in the oil phase system, oscillate / stir to form a uniform mixed solution, quickly add the water phase, oscillate / stir for 10-30 min, and form a milky white, viscous Elastic emulsion, stand still until the system becomes micro-fluid / semi-fluid, and then a gel emulsion is obtained.
[0065] 2) Preparation of flexible low-density porous polymer materials
[0066] The prepared gel emulsion is aged at room temperature for 10-30 minutes, and put into an oil bath for polymerization. The polymerization conditions are as follows: polymerize at room temperature for 4 hours, raise the temperature to 60°C for 12 hours, t...
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