Composition for flexible substrate and flexible substrate
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United States of America Patent
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Dec 1, 2015
Grant Date -
Dec 25, 2014
app pub date -
Jun 9, 2014
filing date -
Jun 21, 2013
priority date (Note) -
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Abstract
The present invention relates to a composition for a flexible substrate having thermal yellowing resistance. The composition for the flexible substrate comprises a polymer (A), an inorganic oxide particle (B), a silane compound containing an amino group (C) and a solvent (D). The polymer (A) is selected from the group consisting of a polyamic acid resin, a polyimide resin and any combination thereof. The polymer (A) is obtained by reacting a mixture that includes a tetracarboxylic dianhydride component and a diamine component. In a preferred embodiment, the polyamic acid resin and polyimide resin are prepared from a bicyclic alicyclic tetracarboxylic dianhydride or a fluorine containing tetracarboxylic dianhydride compound. In another embodiment, a polydiorganosiloxane having from 2 to 11 Si atoms and having terminal amine groups is included in the composition.
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