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    • 2. 发明专利
    • Epoxy compound, resin composition, resin sheet, laminate and printed wiring board
    • 环氧化合物,树脂组合物,树脂片,层压板和印刷线路板
    • JP2013194167A
    • 2013-09-30
    • JP2012063718
    • 2012-03-21
    • Tdk CorpTdk株式会社
    • SEKI JUNICHITOKUHISA KENJIENOMOTO KEIJI
    • C08G59/24B32B15/08B32B15/092B32B27/38C08G59/62H05K1/03
    • PROBLEM TO BE SOLVED: To provide an epoxy compound which can sufficiently uniformly melt at a melting temperature on lamination molding and has excellent moldability; an epoxy resin composition; a resin sheet having the epoxy resin composition; a laminate having high heat conductivity and characterized by heat resistance for a long period at high temperature as a laminate containing the resin sheet in at least one layer; and a printed wiring board.SOLUTION: An epoxy compound containing at least a mesogenic epoxy resin having a specific chemical structure having biphenyl structures and a mesogenic phenol compound having a specific chemical structure, having a (a)/(b) ratio of ≤4.0, wherein (a) is the peak height of the first peak, and (b) is the peak height of the second peak; the first peak is a peak having the longest elution time, and the second peak is a peak just before the first peak (a), when analyzing the molecular weight of the epoxy compound with GPC, and having a weight-average mol.wt. of 2,100-21,000.
    • 要解决的问题:提供在层压成型时在熔融温度下能够均匀熔融的环氧化合物,并且具有优异的成型性; 环氧树脂组合物; 具有环氧树脂组合物的树脂片; 具有高导热性并且特征在于高温下长时间耐热性的层压体,作为在至少一层中含有树脂片的层压体; 和(a)/(b)比≤4.0的环氧化合物,其具有特定化学结构的具有联苯结构的介晶环氧树脂和具有特定化学结构的介晶酚化合物 其中(a)是第一峰的峰高,(b)是第二峰的峰高; 第一峰是具有最长洗脱时间的峰,第二峰是在第一峰(a)之前的峰,当用GPC分析环氧化合物的分子量,并且具有重均分子量 2,100-21,000。