Manufacturing method of low warpage deformation composite material plate

A manufacturing method of low warpage deformation composite material plate is disclosed, which comprises: to mix the reinforcing material containing fibers and the thermosetting resin to form a mixture; to proceed the first stage of heating to the mixture so that the mixture can reach about 50% degr...

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Bibliographische Detailangaben
Hauptverfasser:	CHU, CHUNG-YI, YU, JEN-PIN, CHEN, WEIUNG, JUANG, DAR-PING, HUANG, MAU-YI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A manufacturing method of low warpage deformation composite material plate is disclosed, which comprises: to mix the reinforcing material containing fibers and the thermosetting resin to form a mixture; to proceed the first stage of heating to the mixture so that the mixture can reach about 50% degree of cure; to proceed the second stage of heating to the mixture so that the mixture can reach about 70% degree of cure; wherein the temperature of the second-stage heating is higher than the temperature of the first-stage heating, and is slightly lower than the curing temperature of the thermosetting resin; to proceed the third-stage heating to the mixture so that the mixture can reach more than 95% degree of cure; wherein the temperature of the third-stage heating is higher than the curing temperature of the thermosetting resin. In this way, a low warpage deformation composite material plate with high planarity (less than 0.1mm per meter) can be manufactured.