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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 10661541 B1

PDFFull Text
Date of Patent:
May. 26, 2020

Filed:

Oct. 11, 2012

Backing film for photovoltaic module with improved pigment dispersion

Applicants:

Andreas Pawlik, Recklinghausen, DE;

Martin Wielpuetz, Senden, DE;

Michael Beyer, Raesfeld, DE;

Inventors:

Andreas Pawlik, Recklinghausen, DE;

Martin Wielpuetz, Senden, DE;

Michael Beyer, Raesfeld, DE;

Assignee:

Evonik Operations GmbH, Essen, DE;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Bethany L Martin

Int. Cl.
CPC ...
H01L 31/049 (2014.01); B32B 27/30 (2006.01); B32B 27/20 (2006.01); B32B 27/34 (2006.01); H01L 31/048 (2014.01); B32B 27/08 (2006.01); B32B 27/32 (2006.01); B32B 37/15 (2006.01);
U.S. Cl.
CPC ...
B32B 27/302 (2013.01); B32B 27/08 (2013.01); B32B 27/20 (2013.01); B32B 27/32 (2013.01); B32B 27/34 (2013.01); H01L 31/0481 (2013.01); B32B 37/153 (2013.01); B32B 2250/03 (2013.01); B32B 2250/24 (2013.01); B32B 2250/40 (2013.01); B32B 2264/102 (2013.01); B32B 2270/00 (2013.01); B32B 2274/00 (2013.01); B32B 2307/206 (2013.01); B32B 2307/416 (2013.01); B32B 2307/702 (2013.01); B32B 2307/704 (2013.01); B32B 2307/71 (2013.01); B32B 2307/712 (2013.01); B32B 2457/12 (2013.01); Y02E 10/50 (2013.01); Y10T 428/24967 (2015.01); Y10T 428/31728 (2015.04);
Abstract

A multilayered laminate film containing dispersed pigment which is suitable as a back cover for a solar module is provided. The film comprises, in the order listed: a) a layer of a moulding composition which comprises: at least 35% by weight, of polyamide; and from 1 to 65% by weight of a light-reflecting filler; b) optionally, a layer of a thermoplastic moulding composition; and c) a layer of a moulding composition which comprises at least 35% by weight, of polyamide; and from 1 to 65% by weight of a light-reflecting filler; wherein at least one of layers a) and c) further comprises from 1 to 25% by weight of the layer composition of a polyamide elastomer which is a polyetheresteramide, a polyetheramide or a combination thereof. A solar module containing the multilayered laminate film is also provided.

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