Polyester film for sealing backside of solar cell
US8912427B2 · kind B2 · utility
2Cited by
1References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 13, 2011 |
| Grant date | Dec 16, 2014 |
| Priority date | — |
| Expiry date | Oct 15, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present invention provides a polyester film for sealing the backside of solar cell having excellent light reflectivity and durability and good electric insulation. A polyester film for sealing the backside of solar cell having a light reflectance at 550 nm wavelength of 50% or more and containing 3 to 50% by mass of inorganic fine particles, characterized in that acid value of the film is 1 to 30 eq/ton and limiting viscosity of the film is 0.60 to 0.80 dL/g.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.