Polyvinyl acetal films containing cyclohexane-1,2-dicarboxylic acid esters as a plasticizer
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United States of America Patent
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May 23, 2017
Grant Date -
Mar 17, 2011
app pub date -
May 8, 2009
filing date -
May 8, 2008
priority date (Note) -
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Abstract
A plasticizer-containing film of polyvinyl acetal having a softening temperature Tg of less than 74° C. contains at least one cyclohexane dicarboxylic acid ester as a plasticizer. The plasticizer-containing films have a low tendency for sweating of the plasticizer, and are useful in producing laminate safety glasses and photovoltaic modules.
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