Thin film for solar cell backplane and preparation method of thin film
A technology for solar cells and backplanes, applied in circuits, electrical components, photovoltaic power generation, etc., can solve the problems of low EVA binding force, poor coating adhesion, and low coating hardness, so as to reduce surface tension, improve toughness, Improve the effect of high temperature resistance
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Embodiment 1
[0027] A kind of thin film for solar cell back sheet of the present embodiment, comprises the raw material of following weight part:
[0028] 11 parts of polyethylene adipate-1,4-butylene glycol ester diol, 18 parts of fluorine-containing resin, 8 parts of polybutylene terephthalate resin, 4 parts of polyether ether ketone, silicon dioxide 4 parts, 3 parts of titanium dioxide, 3 parts of decabromodiphenylethane, 7 parts of acetyl tributyl citrate, 0.1 part of ultraviolet absorber, 0.5 part of coupling agent, and 1 part of surfactant.
[0029] In this embodiment, the fluorine-containing resin is vinylidene fluoride, trifluoroethylene-vinyl ether copolymer, trifluoroethylene-vinyl ester copolymer, tetrafluoroethylene-vinyl ether copolymer, tetrafluoroethylene-vinyl ester A mixture of copolymers.
[0030] In this embodiment, the mesh number of silicon dioxide is 325 mesh, and the mesh number of titanium dioxide is 400 mesh.
[0031] In this embodiment, the ultraviolet absorber ...
Embodiment 2
[0042] A kind of thin film for solar cell back sheet of the present embodiment, comprises the raw material of following weight part:
[0043] 12 parts of polyethylene adipate-1,4-butylene glycol ester diol, 20 parts of fluorine-containing resin, 9 parts of polybutylene terephthalate resin, 5 parts of polyether ether ketone, silicon dioxide 5 parts, 4 parts of titanium dioxide, 4 parts of decabromodiphenylethane, 8 parts of acetyl tributyl citrate, 0.2 parts of ultraviolet absorber, 1 part of coupling agent, and 2 parts of surfactant.
[0044] In this embodiment, the fluorine-containing resin is vinylidene fluoride, trifluoroethylene-vinyl ether copolymer, trifluoroethylene-vinyl ester copolymer, tetrafluoroethylene-vinyl ether copolymer, tetrafluoroethylene-vinyl ester A mixture of copolymers.
[0045] In this embodiment, the mesh number of silicon dioxide is 325 mesh, and the mesh number of titanium dioxide is 400 mesh.
[0046] In this embodiment, the ultraviolet absorber ...
Embodiment 3
[0057] A kind of thin film for solar cell back sheet of the present embodiment, comprises the raw material of following weight part:
[0058] 13 parts of polyethylene adipate-1,4-butylene glycol ester diol, 22 parts of fluorine-containing resin, 10 parts of polybutylene terephthalate resin, 6 parts of polyether ether ketone, silicon dioxide 6 parts, 5 parts of titanium dioxide, 5 parts of decabromodiphenylethane, 9 parts of acetyl tributyl citrate, 0.3 parts of ultraviolet absorber, 1.5 parts of coupling agent, and 3 parts of surfactant.
[0059] In this embodiment, the fluorine-containing resin is vinylidene fluoride, trifluoroethylene-vinyl ether copolymer, trifluoroethylene-vinyl ester copolymer, tetrafluoroethylene-vinyl ether copolymer, tetrafluoroethylene-vinyl ester A mixture of copolymers.
[0060] In this embodiment, the mesh number of silicon dioxide is 325 mesh, and the mesh number of titanium dioxide is 400 mesh.
[0061] In this embodiment, the ultraviolet absor...
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