US 2015/0090318 A1Published application

Novel film for solar cells

AssigneeRhein Chemie Rheinau GmbH

InventorsWilhelm Laufer, Armin Eckert

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Abstract

The present invention relates to novel foils for solar cells which feature improved hydrolysis resistance, and to the solar cells comprising said foils.

Claims6

Dependent claims

A foil comprising at least one polyester and from 1.0-2.0% by weight of at least one polymeric carbodiimide based on 1,3,5-triisopropyl-2,4-diisocyanatobenzene with weight-average molar mass Mw from 10 000 to 30 000 g/mol, based on the polyester.

Dependencies are inferred from the claim text.

Facts

Application: 14/237,918Filed 20 Aug 2012
Priority: EP 11178233.022 Aug 2011
Published: 2 Apr 2015
Term ends: Not estimatedThe source records don’t support an estimate.

Classification13 codes

H10F 19/804
Encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells: materials of encapsulations
C08J 5/18
Manufacture of articles or shaped materials containing macromolecular substances: manufacture of films or sheets
C08L 67/02
Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain ; Compositions of derivatives of such polymers:…
H10F 19/85
Encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells: protective back sheets

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No related US applications are recorded in the indexed filing history.

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Abstract

The present invention relates to novel foils for solar cells which feature improved hydrolysis resistance, and to the solar cells comprising said foils.

Facts

Application

14/237,918Filed 20 Aug 2012

Priority

EP 11178233.022 Aug 2011

Published

2 Apr 2015

Term ends

Not estimatedThe source records don’t support an estimate.

Classification13 codes

H10F 19/804
Encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells: materials of encapsulations
C08J 5/18
Manufacture of articles or shaped materials containing macromolecular substances: manufacture of films or sheets
C08L 67/02
Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain ; Compositions of derivatives of such polymers:…
H10F 19/85
Encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells: protective back sheets