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    • 1. 发明授权
    • Process for preparing 2-(4'-hydroxyaryl)-2-(4'-aminoaryl)-propanes
    • 制备2-(4'-羟基芳基)-2-(4'-氨基芳基) - 丙烷的方法
    • US4374272A
    • 1983-02-15
    • US92175
    • 1979-11-07
    • Teruo YuasaNoboru YamazakiYoshio Morimoto
    • Teruo YuasaNoboru YamazakiYoshio Morimoto
    • C07C215/74B01J27/00B01J31/00C07C20060101C07C67/00C07C213/00C07C213/08C07C219/34C07C225/22C07C255/59C07C87/64
    • C07C213/08
    • A process for preparing 2-(4'-hydroxyaryl)-2-(4'-aminoaryl)-propanes of the general formula ##STR1## wherein R represents a hydrogen or halogen atom or an alkyl, aryl, nitro, nitrile, acyl, acyloxy or amino group, R.sup.1 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, and R.sup.2 and R.sup.3, independently from each other, represent a hydrogen or halogen atom, a nitro group or an alkyl group having 1 to 4 carbon atoms,which comprises reacting (A) at least one isopropenyl phenol compound selected from the group consisting of isopropenyl phenol derivatives of the general formula ##STR2## wherein R is as defined, and di- to eicosa-mers of said isopropenyl phenol derivatives with (B) an aromatic amine of the general formula ##STR3## wherein R.sup.1 , R.sup.2 and R.sup.3 are as defined, in the presence of 0.00001 to 0.008 mole, per mole of said isopropenylphenol compound (A) calculated as a monomer, of a acid catalyst and in the presence or absence of a phenolic solvent.
    • 制备通式为(III)的2-(4'-羟基芳基)-2-(4'-氨基芳基) - 丙烷的方法,其中R表示氢或卤素原子或烷基,芳基,硝基,腈 ,酰基,酰氧基或氨基,R 1表示氢原子或碳原子数1〜4的烷基,R 2和R 3彼此独立地表示氢或卤素原子,硝基或具有1个 包括使(A)至少一种选自下列通式的异丙烯基苯酚衍生物(I)中的R定义的异丙烯基苯酚化合物与(A)至少一种异丙烯基苯酚化合物的反应,和 所述异丙烯基苯酚衍生物与(B)通式为其中R 1,R 2和R 3如所定义的芳族胺在0.00001至0.008摩尔存在下,每摩尔所述异丙烯基苯酚化合物(A)计算得到的 作为单体,由酸催化剂和酚类溶剂存在或不存在。
    • 9. 发明授权
    • Phenolic resin composition
    • 酚醛树脂组合物
    • US5525684A
    • 1996-06-11
    • US376146
    • 1995-01-20
    • Tomoyuki KawabataShigeru IimuroTeruo Yuasa
    • Tomoyuki KawabataShigeru IimuroTeruo Yuasa
    • C08L61/06C08L63/00C08L65/00C08L61/04C08L61/10C08L63/02
    • C08L65/00C08L63/00C08L61/06
    • A phenolic resin composition comprises a mixture of 100 parts by weight of a phenol aralkyl resin and 5 to 60 parts by weight of a novolak type phenolic resin having a content of binuclear components of not more than 10% by area, and a content of trinuclear components of not less than 50% by area and a sum content of tri- and tetra-nuclear components of 75% by area based on the total novolak phenolic resin except for the binuclear components, and an epoxy-cured product obtained by curing an epoxy resin while using the phenolic resin composition as set forth in claim 1 as a curing agent. The phenolic resin composition has a low viscosity and, when it is used as a curing agent for epoxy resins, the resulting epoxy-cured product has a low water absorption rate, is excellent in resistance to moisture and has a high glass transition temperature as compared with the cured product obtained using a novolak type phenolic resin as a curing agent.
    • 酚醛树脂组合物包含100重量份苯酚芳烷基树脂和5至60重量份具有不超过10面积%的双核成分含量的酚醛清漆型酚醛树脂和三核含量的混合物 基于除双核成分以外的总酚醛清漆酚醛树脂的面积为面积的不小于50%的三组分和四核组分的总含量为75%的环氧树脂固化产物,以及通过固化环氧树脂 树脂,同时使用如权利要求1所述的酚醛树脂组合物作为固化剂。 酚醛树脂组合物具有低粘度,当用作环氧树脂的固化剂时,得到的环氧固化产物的吸水率低,耐湿性优异,玻璃化转变温度高 使用酚醛清漆型酚醛树脂获得的固化产物作为固化剂。