Multilayered weatherable film for solar cell
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United States of America Patent
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May 12, 2015
Grant Date -
Aug 11, 2011
app pub date -
Oct 6, 2009
filing date -
Oct 8, 2008
priority date (Note) -
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Abstract
Disclosed is a multilayered weatherable film for a solar cell, which has superior elongation change rate, strength change rate and haze and thus is suitable for use in a solar cell, and includes a hard layer having a polyester or copolyester polymer resin and a soft layer having polybutylene terephthalate containing polytetramethylene ether glycol, which are regularly or irregularly laminated in a multilayer form.
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