Stock material or miscellaneous articles – Article of intermediate shape
Patent
1994-09-23
1995-07-11
Krass, Frederick
Stock material or miscellaneous articles
Article of intermediate shape
264135, 264137, 264258, 264324, 26433112, 428 74, 428114, 428224, 428236, 428237, 428239, 428240, 428245, 428246, 428260, 428261, 428262, 428268, 428281, 428282, 428283, 428284, 428286, 428290, 428327, 428339, 428413, B29C 4320, B29C 4120, D04H 158, D04H 160
Patent
active
054320100
ABSTRACT:
The invention relates to a resin transfer molding preform binder resin that comprises at least one aromatic polyepoxide, a fluorene epoxide that is different than the aromatic polyepoxide and having a defined structure, and a 9,9-bis(aminophenyl)fluorene curing agent. The binder resin is a solid, room temperature stable, essentially nonsintering powder that displays a glass transition temperature greater than about 40.degree. C. Also disclosed are preforms made with the binder resin and a method for preparing the preforms.
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Hackett Steven C.
Ko Chan U.
Griswold Gary L.
Kirn Walter N.
Krass Frederick
Minnesota Mining and Manufacturing Company
Skolnick Steven E.
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