Adhesive tape used for solar cell assembly and preparation method thereof
A technology of solar cells and tapes, applied in the direction of electrical components, circuits, adhesives, etc., can solve the problems of affecting the sealing performance of adhesives, affecting the application effect, slow curing speed, etc., and achieve good initial adhesion, cost reduction, and easy bonding.
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Embodiment 1
[0028] The adhesive coated on the front side of the adhesive tape substrate is mainly used for bonding. In parts by weight, the components and content of the adhesive are:
0.5 parts
Methyl methacrylate (MMA)
8 servings
Butyl Acrylate (BA)
65 copies
Hydroxymethylacrylamide (HAM)
27 copies
complex emulsifier
1.5 servings
2-Acrylamido-2-methylpropanesulfonic acid (AMPS)
1.3 parts
[0030] tackifying resin
60 copies
Acrylic (AA)
0.5 parts
Hydroxyethyl Methacrylate (HEA)
0.9 parts
3-Methacryloxypropyltrimethoxysilane (MPTS)
2 copies
[0031]The binder is first prepared in a reactor equipped with a condenser, mechanical stirrer and dropping funnel, nitrogen inlet and outlet, and a thermometer. Adopt the pre-emulsification process, pass through the nitrogen protection, weigh the components according to the above formula: HAM, ...
Embodiment 2
[0034] 1. The adhesive coated on the front of the tape base material is mainly used for bonding. In parts by weight, the components and contents of the adhesive are:
[0036] 3-Methacryloxypropyltrimethoxysilane (MPTS)
[0037] The binder is first prepared in a reactor equipped with a condenser, mechanical stirrer and dropping funnel, nitrogen inlet and outlet, and a thermometer. Weigh the components according to the above formula: HAM, BA, MMA, AA, HEA, AMPS, SDS, OP-10 and 300ml of deionized water are loaded into the reactor, stirred and pre-emulsified for 1 hour. Then take 200ml of pre-emulsion, add sodium bicarbonate to adjust the pH to about 5, add 15ml of initiator APS (20%) solution, add in the reactor, continue nitrogen protection, control the temperature at 85 ° C, start the stirrer, and control the speed At 400r / min. When the material in the reactor gradually turned into a micro-blue seed emulsion, the remaining mo...
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