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    • 2. 发明公开
    • Process for producing highly reactive modified phenolic resin
    • Verfahren zur Herstellung von hochreaktiven modifizierten Phenolharzen。
    • EP0665249A1
    • 1995-08-02
    • EP95101064.4
    • 1995-01-26
    • KASHIMA OIL CO., LTD
    • Tsumura, Masahiro, c/o Kashima Oil Co.,Ltd.Tashima, Masao, c/o Kashima Oil Co.,Ltd.Miyasita, Hiromi, c/o Kashima Oil Co.,Ltd.
    • C08G8/28C08L61/06C08L63/00H01B3/36
    • H01B3/36C08G8/28C08G10/04C08G14/04C08L61/14C08L63/00C08L2666/22C08L61/04
    • A process for producing a highly reactive modified phenolic resin, comprising the steps of polycondensing a petroleum heavy oil or pitch, a formaldehyde polymer and a phenol in the presence of an acid catalyst to thereby prepare a modified phenolic resin; and reacting the resultant modified phenolic resin with a phenol in the presence of an acid catalyst but in the absence of a crosslinking agent such as a formaldehyde polymer to thereby lower the molecular weight of the modified phenolic resin. This highly reactive modified phenolic resin has a low number average molecular weight and a high phenol content, so that its resin melt viscosity is low and that it exhibits a markedly improved reactivity with an epoxy resin. Accordingly, the combination thereof with an epoxy resin provides a molding material suitable for producing a molding which is excellent in not only thermal resistance and moldability but also dimensional stability and other mechanical properties, especially a material for electrical or electronic part and a semiconductor sealer.
    • 一种生产高反应性改性酚醛树脂的方法,包括在酸催化剂存在下使石油重油或沥青,甲醛聚合物和苯酚缩聚的步骤,从而制备改性酚醛树脂; 在酸催化剂的存在下,使所得改性酚醛树脂与苯酚反应,但不存在交联剂如甲醛聚合物,从而降低改性酚醛树脂的分子量。 该高反应性改性酚醛树脂具有低的数均分子量和高的苯酚含量,使得其树脂熔体粘度低,并且显示出与环氧树脂显着改善的反应性。 因此,与环氧树脂的组合提供了适合于制造不仅具有优异的耐热性和成型性,而且尺寸稳定性和其它机械性能优异的成型体的成型材料,特别是电气或电子部件的材料以及半导体密封剂。
    • 8. 发明公开
    • Process for treatment of a resist
    • 维尔法赫恩zur Behandlung eines抗议
    • EP0986072A2
    • 2000-03-15
    • EP99117797.3
    • 1999-09-09
    • USHIODENKI KABUSHIKI KAISHA
    • Komori, Minoru
    • H01B3/36
    • G03F7/38G03F7/40H01B3/36Y10S430/143
    • A process for curing a resist in which a resist is cured quickly and with high efficiency without gas, which is formed by irradiation with electron beams with which the resist is irradiated for curing, remaining in it and thereby increase its thermostability, is achieved by the following process steps:

      a first, the resist is irradiated with electron beams and kept at a temperature such that gas is produced and released in the resist, but no gas bubbles are formed in the resist;
      second, the resist is heated so that the gas produced in the first process step is dissipated to the outside from the resist; and
      third, the resist is irradiated with electron beams so that macromolecules are formed in the resist and the resist is cured.
    • 一种固化抗蚀剂的方法,其中抗蚀剂快速且高效率地固化,通过用照射抗蚀剂照射固化的电子束照射而形成的气体,残留在其中并由此增加其热稳定性,这是通过 以下处理步骤:首先,用电子束照射抗蚀剂并保持在气体在抗蚀剂中产生和释放的温度,但在抗蚀剂中不形成气泡; 第二,将抗蚀剂加热,使得在第一工艺步骤中产生的气体从抗蚀剂消散到外部; 第三,用电子束照射抗蚀剂,从而在抗蚀剂中形成大分子,并且抗蚀剂固化。