Cross-linked graphene heat insulating board preparation method
A thermal insulation board and graphene technology, applied in the field of materials, can solve the problems of poor compatibility between inorganic fillers and polymer matrix, and reduced stability of finished products, so as to improve dispersion compatibility, increase mechanical strength, and good UV resistance Effect
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Embodiment 1
[0024] A kind of cross-linked graphene insulation board, it is made up of the raw material of following weight part:
[0025] Divinyl benzene 1, ethylene bis stearamide 0.8, graphene 16, sodium antimonate 1, phosphocellulose 4, diethylene glycol dibenzoate 2, styrene 110, sodium peroxide 2, sol dispersion 20.
[0026] Described sol dispersion liquid is made up of the raw material of following parts by weight:
[0027] Binaphthol 0.7, tetraethyl orthosilicate 40, alkylphenol polyoxyethylene ether 1, benzotriazole 0.5.
[0028] The preparation method of described sol dispersion liquid, comprises the following steps:
[0029] (1) Take benzotriazole, add it to absolute ethanol 10 times its weight, add ethyl naphthol, keep stirring at 50°C for 3 minutes, and obtain an alcohol dispersion;
[0030] (2) Take ethyl orthosilicate, add it to deionized water 25 times its weight, mix with the above alcohol dispersion, add dropwise ammonia water with a concentration of 10%, adjust the pH...
Embodiment 2
[0039] A kind of cross-linked graphene insulation board, it is made up of the raw material of following weight part:
[0040] Divinylbenzene 2, ethylene bisstearamide 1, graphene 20, sodium antimonate 2, phosphocellulose 5, diethylene glycol dibenzoate 4, styrene 120, sodium peroxide 4, sol dispersion 30.
[0041] Described sol dispersion liquid is made up of the raw material of following parts by weight:
[0042] Binaphthol 1, tetraethyl orthosilicate 50, alkylphenol polyoxyethylene ether 2, benzotriazole 1.
[0043] The preparation method of described sol dispersion liquid, comprises the following steps:
[0044] (1) Take benzotriazole, add it to 14 times the weight of absolute ethanol, add ethyl naphthol, keep stirring at 60°C for 10 minutes, and obtain an alcohol dispersion;
[0045] (2) Take ethyl orthosilicate, add it to deionized water 30 times its weight, mix with the above alcohol dispersion, add dropwise ammonia water with a concentration of 12%, adjust the pH to ...
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