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US 2013/0172569 A1Published application
Base generator
AssigneeEternal Chemical Co., Ltd.
InventorsPi-Jen Cheng, Meng-Yen Chou, Chuan Zong Lee, Chung-Jen Wu
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Abstract
The present invention provides a base generator having the structure of formula (1): wherein R1, R2, R3, R4, R5, and Y{circle around (−)} are defined as in the specification. The base generator of the present invention can be used for imidization of a polyimide precursor, promoting crosslinking of epoxy monomers, or crosslinking of polyurethane or polyurea.
Claims9
A base generator having the structure of formula (1);
- wherein
- R1 and R2 are the same or different and are each independently H, linear or branched C1-C6 alkyl, linear or branched C1-C6 haloalkyl, or linear or branched C1-C6 alkyl substituted with one or more C6-C14 aryl,
- wherein
- R6 is linear or branched C1-C6 alkyl, linear or branched C1-C6 haloalkyl, linear or branched C1-C8 alkoxy unsubstituted or substituted with one or more C6-C14 aryl, or —NR10R11, and
- R7, R8, R9, R10 and R11, are the same or different, and are each independently H, linear or branched C1-C14 alkyl unsubstituted or substituted with one or more C6-C14 aryl, or C6-C14 aryl;
- R3, R4 and R5 are the same or different, and are each independently H, linear or branched C1-C6 alkyl unsubstituted or substituted with one or more C6-C14 aryl, linear or branched C1-C6 hydroxyalkyl, linear or branched C1-C6 cyanoalkyl, or C6-C14 aryl;
- and
- Y{circle around (−)} is an anionic group.
5 more elements
Dependencies are inferred from the claim text.