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EPOXY RESIN CURING AGENT, PRODUCTION OF PHENOLIC RESIN AND EPOXY RESIN MOLDING MATERIAL FOR SEALING ELECTRONIC COMPONENT
EPOXY RESIN CURING AGENT, PRODUCTION OF PHENOLIC RESIN AND EPOXY RESIN MOLDING MATERIAL FOR SEALING ELECTRONIC COMPONENT
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机译:环氧树脂密封剂,酚醛树脂的生产和用于密封电子部件的环氧树脂成型材料
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摘要
PURPOSE: To obtain the subject agent having a high Tg and excellent reflow crack resistance. ;CONSTITUTION: This curing agent is the one comprising a phenolic resin obtained by reacting a phenol containing 20-90mol% naphthol with an aldehyde at 120-180°C at atmospheric pressure in the presence of a strong acid or a super acid.;COPYRIGHT: (C)1995,JPO
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