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    • 8. 发明公开
    • PHENOL RESIN COMPOSITION, PROCESS FOR PRODUCTION THEREOF, CURABLE RESIN COMPOSITION, CURED PRODUCTS TEHREOF, AND PRINTED WIRING BOARD
    • PHENOLHARZZUSAMMENSETZUNG,HERSTELLUNGSVERFAHRENDAFÜR,HÄRBAREHARZZUSAMMENSETZUNG,GEHÄRTETEPRODUKTE DARAUS UNDBESTÜCKTELEITERPLATTE
    • EP2532710A4
    • 2017-05-03
    • EP11739622
    • 2011-01-19
    • DAINIPPON INK & CHEMICALS
    • SATOU YUTAKAARITA KAZUOOGURA ICHIROU
    • C08L61/10C08G8/08C08G8/10C08G8/12C08J5/24C08K5/13H05K1/03
    • H05K1/0326C08G8/08C08G8/12C08K5/13H05K2201/012Y10T428/31515C08L61/06
    • The present invention provides a curable resin composition exhibiting excellent performance as a cured product, such as excellent heat resistance and flame retardancy, and further exhibiting excellent interlayer adhesive strength when applied to a printed circuit board. A phenol resin composition used as a curing agent for an epoxy resin includes a naphthol novolac resin (a1) represented by general formula (1) (wherein R 1 and R 2 each independently represent a hydrogen atom, an alkyl group, or an alkoxy group, and n is a repeating unit and an integer of 1 or more), and a compound (a2) represented by general formula (2) (wherein R 1 and R 2 each independently represent a hydrogen atom, an alkyl group, or an alkoxy group), wherein the total ratio of compounds with n = 1 and n = 2 in the general formula (1) present in the composition is in the range of 10 to 35%, the average of n in the general formula (1) is in the range of 3.0 to 7.0, and the content of the compound (a2) in the composition is 1 to 6%.
    • 本发明提供固化性树脂组合物,该固化性树脂组合物作为固化物表现出优异的性能,例如优异的耐热性和阻燃性,并且当应用于印刷电路板时还表现出优异的层间粘合强度。 用作环氧树脂固化剂的酚醛树脂组合物包括由通式(1)表示的萘酚酚醛清漆树脂(a1)(其中R 1和R 2各自独立地表示氢原子,烷基或烷氧基 ,n是重复单元和1以上的整数)和通式(2)表示的化合物(a2)(式中,R 1和R 2分别独立地表示氢原子,烷基或烷氧基 组),其中组合物中存在的通式(1)中n = 1和n = 2的化合物的总比例为10-35%,通式(1)中n的平均值为 在3.0〜7.0的范围内,组合物中的化合物(a2)的含量为1〜6%。