Method for Producing Fiber-Reinforced Thermally Meltable Epoxy Resin
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United States of America Patent
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Issued Date -
Aug 27, 2009
app pub date -
May 12, 2006
filing date -
May 18, 2005
priority date (Note) -
Abandoned
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Abstract
Disclosed herein are a method for producing a fiber-reinforced thermally meltable epoxy resin having excellent heat resistance using a thermally meltable epoxy resin having a high melting initiation temperature and a fiber-reinforced plastic molded by the method. The method for producing a fiber-reinforced thermally meltable epoxy resin comprises the steps of: (I) impregnating reinforcing fibers with a compound (A) having two epoxy groups in one molecule and a compound (B) having two phenolic hydroxyl groups in one molecule; and (II) linearly polymerizing the compounds (A) and (B) impregnated into the reinforcing fibers by polyaddition reaction, wherein at least a part of the compound (A) and/or at least a part of the compound (B) are/is a compound having a fluorene skeleton, and the compound (A) and the compound (B) are mixed in such a ratio that the number of moles of epoxy groups in the compound (A) is 0.9 to 1.1 times the number of moles of phenolic hydroxyl groups in the compound (B).
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