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US 2011/0277821 A1Published application
Back-sheet material for photovoltaic module
AssigneeDu Pont Apollo Limited
InventorStephen Yau-Sang CHENG
Life of this patent
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Abstract
Disclosed herein is a back sheet for a photovoltaic module. The back sheet includes a dielectric layer, an adhesive layer disposed on the dielectric layer, a barrier layer disposed on the adhesive layer and a weather resistant layer disposed on the barrier layer. The weather resistant layer includes a bituminous material.
Claims20
A back sheet for a photovoltaic module, comprising:
- a dielectric layer;
- an adhesive layer disposed on the dielectric layer;
- a barrier layer disposed on the adhesive layer;
- and
- a weather resistant layer comprising a bituminous material disposed on the barrier layer.
2 more elements
A photovoltaic module, comprising a back sheet, wherein the back sheet comprises:
- a dielectric layer;
- an adhesive layer disposed on the dielectric layer;
- a barrier layer disposed on the adhesive layer;
- and
- a weather resistant layer comprising a bituminous material disposed on the barrier layer.
2 more elements
A process for manufacturing a back sheet for a photovoltaic module, comprising the steps of:
- providing a polyester dielectric layer;
- applying an adhesive layer over the polyester dielectric layer;
- applying a metal barrier layer over the adhesive layer whereby the metal barrier layer is bonded to the polyester dielectric layer;
- and
- applying a bituminous layer over the metal barrier layer.
2 more elements
Dependencies are inferred from the claim text.