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One-component alcohol sealant for photovoltaic assembly and preparation technology thereof

A photovoltaic module, one-component technology, used in adhesives, other chemical processes, adhesive additives, etc., can solve problems such as corrosion and affect the performance of photovoltaic modules, and achieve improved adhesion, excellent adhesion, flame retardant and thermal conductivity. good effect

Active Publication Date: 2012-08-01
深圳市百丽春粘胶实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] CN101353563A provides a single-component silicone sealant for solar cell modules, but the product belongs to oxime-type silicone sealant, and the butanone oxime volatilized in the curing process has a corrosive effect on certain metals, such as copper, lead, zinc, etc.
Existing products use silicone oil as a plasticizer, which may have the problem of plasticizer migration affecting the performance of photovoltaic modules
Among the patents of silicone sealants for photovoltaic modules currently published, few of the above-mentioned properties are taken into account

Method used

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  • One-component alcohol sealant for photovoltaic assembly and preparation technology thereof
  • One-component alcohol sealant for photovoltaic assembly and preparation technology thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0066] 50 parts of α, ω-terminated hydroxyl polydimethylsiloxane, 50 parts of α, ω-aminopropyldiethoxysiloxy-terminated polydimethylsiloxane, 100 parts of surface-treated Alumina, 50 parts of activated aluminum hydroxide, 10 parts of MQ silicone resin and 100 parts of activated calcium carbonate were added to the vacuum kneader, the temperature was controlled at 150 °C, the vacuum degree was 0.1 MPa, blended and dehydrated for 4 hours, and the base rubber was made. Then transfer to a high speed mixer. At room temperature, mix 10 parts of α, ω-alkoxypolydimethylsiloxane, 10 parts of methyltrimethoxysilane, 0.8 parts of platinum complex and 1 part of bis(trimethoxysilylpropyl) ammonia , 2 parts of γ-(2,3-glycidoxy) propyltrimethoxysilane, 6 parts of ethyl acetoacetate chelate of isopropyl titanate and 0.1 part of dibutyltin dilaurate were added at high speed In the disperser, stir with the base gum under vacuum. The vacuum degree is 0.1 MPa, the rotation speed is 50 rpm, and t...

Embodiment 2

[0068] Embodiment 2: The proportion and process are the same as in Embodiment 1, and no platinum-vinylsiloxane complex is added in the formula. Compared with Example 1, without adding platinum or platinum complex, its flame retardant performance drops to V1 level. Therefore, adding a small amount of platinum can greatly improve the flame retardant performance, which can reach the UL94-V0 level.

Embodiment 3

[0069] Embodiment 3: The proportion and process are the same as in Embodiment 1, with 100 parts of alumina replaced by 200 parts of boron nitride. The performance test results are shown in Table 1. Compared with Example 1, the use of boron nitride instead of alumina improves the thermal conductivity to a certain extent, and the thermal conductivity increases from 0.4W / m·K to 0.6W / m·K.

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Abstract

The invention which belongs to the field of organosilicon room temperature vulcanizing silicone sealants especially relates to a one-component alcohol sealant for a photovoltaic assembly, and a preparation technology thereof. The sealant is suitable for sealing the aluminum frame of the photovoltaic assembly, fill-sealing a backboard and the frame, and bonding a conjunction box. The one-component alcohol sealant for the photovoltaic assembly is prepared from 10-100 parts of a polysiloxane-based polymer, 0.1-50 parts of alpha, omega-alkyloxypolydimethylsiloxane plasticizer, 0-500 parts of a heat conduction filler, 0-300 parts of a flame retardant filler, 0.1-500 parts of a reinforcement filler, 0.5-10 parts of a silane crosslinking agent, 0.5-10 parts of a silane tackifier, 0-10 parts of platinum or a platinum complex, and 0.001-15 parts of a catalyst. The sealant of the invention has the advantages of excellent bonding property, rapid curing speed, low water absorption rate, superior performances and the like.

Description

Technical field: [0001] The invention belongs to silicone room temperature vulcanized silicone sealants, in particular to a single-component alcohol-type sealant for photovoltaic modules and its preparation process, which is suitable for sealing aluminum frames of photovoltaic modules, filling and sealing backplanes and frames, and Bonding of junction boxes. Background technique: [0002] In recent years, the country has been advocating the construction of a conservation-oriented society, energy conservation and emission reduction, and low-carbon environmental protection. Under such a large environment, the emergence and development of the solar energy industry has become an inevitable trend under the policy. The continuous upgrading of technology has also become the most favorable support for the solar energy industry. Solar cells are a new technology in the solar industry. It uses the quantum effect of silicon and other semiconductors to directly convert the visible light...

Claims

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Application Information

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IPC IPC(8): C09J183/06C09J183/08C09J183/07C09J9/00C09J11/06C09K3/10
Inventor 潘自鼎曾增明
Owner 深圳市百丽春粘胶实业有限公司
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