UV curing adhesive glue, solar reflective strip and solar reflective strip seamless film connecting production process
A production process and solar energy technology, applied in the field of solar cells, can solve problems such as low production yield, high repair rate, and appearance differences, and achieve good weather resistance, strong mechanical strength, and yield improvement effects
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[0069] Example 1
[0070] The UV curing adhesive provided by the present invention (abbreviated as UV adhesive) includes the following components: 52 parts of carboxyl-free polyurethane acrylate oligomer, with a molecular weight of 35,000 to 40,000, and a glass transition temperature Tg of -26 ℃, 42 parts of monofunctional acrylate monomer without carboxyl group, 1 part of acrylate leveling agent, 5 parts of TPO photoinitiator. The components are mixed together to obtain the UV curing adhesive. Among them, the carboxyl-free polyurethane acrylate oligomer and the carboxyl-free monofunctional acrylate monomer were provided by Changxing Materials Industry Co., Ltd., the leveling agent was provided by BYK in the United States, and the photoinitiator was provided by BASF. Apply the above-mentioned UV curing adhesive to UV-1 tape (transparent adhesive tape) and attach it to the substrate layer of the joint part of the solar reflective strip (such as Figure 4 (Shown), UV curing is per...
Example Embodiment
[0072] Example 2
[0073] The UV curable adhesive provided by the present invention includes the following components: 57 parts of carboxyl-free polyurethane acrylate oligomer, with a molecular weight of 30000-35000, glass transition temperature Tg of -24°C, and 38 parts without carboxyl group Monofunctional acrylate monomer, 0.8 parts acrylate leveling agent, 4.2 parts TPO photoinitiator are mixed together. Among them, the carboxyl-free polyurethane acrylate oligomer and the carboxyl-free monofunctional acrylate monomer were provided by Changxing Materials Industry Co., Ltd., the leveling agent was provided by BYK in the United States, and the photoinitiator was provided by BASF. The above-mentioned UV curing adhesive is coated on the UV-1 tape, attached to the joint part of the solar reflective strip, and cured by ultraviolet light, and normally slit to obtain a 1.2mm solar reflective strip.
[0074] The thickness of the joint part of the solar reflective strip is 60μm (the thic...
Example Embodiment
[0075] Example 3
[0076] The UV curing adhesive provided by the present invention includes the following components: 55 parts of carboxyl-free polyurethane acrylate oligomers, with a molecular weight of 30000-35000, glass transition temperature Tg of -24°C, and 40 parts without carboxyl groups Monofunctional acrylate monomer, 0.5 parts of acrylate leveling agent, 4.5 parts of TPO photoinitiator are mixed together. Among them, the carboxyl-free polyurethane acrylate oligomer and the carboxyl-free monofunctional acrylate monomer were provided by Changxing Materials Industry Co., Ltd., the leveling agent was provided by BYK in the United States, and the photoinitiator was provided by BASF. The above-mentioned UV curing adhesive is coated on the UV-1 tape, attached to the joint part of the solar reflective strip, and cured by ultraviolet light, and normally slit to obtain a 1.2mm solar reflective strip.
[0077] The thickness of the joint part of the solar reflective strip is 60μm (t...
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