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Patent Searching and Data


Title:
BACK SHEET FOR USE WITH SOLAR PHOTOVOLTAIC PANEL
Document Type and Number:
WIPO Patent Application WO/2018/218592
Kind Code:
A1
Abstract:
Provided is a back sheet for use with a solar photovoltaic panel, the back sheet being provided in sequence from top to bottom with a first surface layer, an adhesive layer and a second surface layer. The first surface layer comprises: 100 parts by weight of a polyamide resin; 40-42 parts by weight of a polyurethane resin, 8-10 parts by weight of polystyrene; 5-6 parts by weight of polytrimethylene terephthalate; and 0.6-0.8 parts by weight of isopropyl hydroxybenzoate. The adhesive layer comprises: 100 parts by weight of polymethylmethacrylate; 14-16 parts by weight of an ethylene-octyl methacrylate copolymer; and 2-3 parts by weight of ammonium xylenesulfonate. By means of improvements to both the traditional back sheet structure and formulation, the adhesive strength between layers is improved, and the structural strength, corrosion resistance and weather resistance of a single-layer body are enhanced such that the back sheet has a long service life, has low manufacturing costs, and is easy to popularize and apply.

Inventors:
ZHU GUILIN (CN)
Application Number:
PCT/CN2017/086808
Publication Date:
December 06, 2018
Filing Date:
June 01, 2017
Export Citation:
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Assignee:
SUZHOU JIA YI DA ELECTRIC APPLIANCE CO LTD (CN)
International Classes:
B32B27/08; B32B27/20; B32B27/30; B32B27/36
Foreign References:
CN104985895A2015-10-21
CN104553209A2015-04-29
US20070074755A12007-04-05
Attorney, Agent or Firm:
CHINA FARFIR INTELLECTUAL PROPERTY (CN)
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