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Silicone-based Pressure Sensitive Adhesives for Solar Applications

IP.com Disclosure Number: IPCOM000244428D
Publication Date: 2015-Dec-10
Document File: 1 page(s) / 10K

Publishing Venue

The IP.com Prior Art Database

Abstract

Silicone-based PSAs can be used to attach flexible photovoltaic panels to new or existing architectural structures. These adhesive systems can withstand the stresses of the module and the environmental stresses caused by UV light, heat, and moisture. Furthermore, due to excellent transparency of these PSAs, the light entering the architectural structures is not impacted.

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Silicone-based Pressure Sensitive Adhesives for Solar Applications

Silicone-based PSAs can be used in the solar energy market. Flexible photovoltaic (PV) modules can be attached at ambient temperatures directly to membrane materials such as ethylene tetrafluoroethylene (ETFE) or even polytetrafluoroethylene (PTFE) with silicone-based PSAs, even on already standing architectural constructions. These types of adhesives include, for example, polymers and copolymers of certain silicone materials. They can be processed by commonly employed thermoplastic methods. These materials are highly transparent, and contain no catalysts, fillers, or plasticizers. Such characteristics make them particularly suitable in the electronic and optical areas, including solar applications. As a result of the inherent qualities of silicones (UV resistance, gas permeability, and good release and slip properties), these materials can serve as a flexible bonding agent between plastics and glass or metal such as in crystalline silicon photovoltaic (PV) cells of a PV module. These adhesive systems can withstand the stresses of the weight of the module and the environmental stresses caused by heat, UV light and moisture. Furthermore, due to the excellent transparency of these silicone-based pressure sensitive adhesive (PSA) systems, the amount of light entering into the building would not be impacted by these adhesives.

Through the use of the application of silicone-based PSAs on the backside...