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    • 3. 发明专利
    • Production of fiber-reinforced phenolic resin molding
    • 生产纤维增强酚醛树脂模塑
    • JPS61136527A
    • 1986-06-24
    • JP25769184
    • 1984-12-07
    • Showa Highpolymer Co Ltd
    • HASHIBA TAKASHI
    • C08L61/00C08J5/24C08K5/52C08L61/04C08L61/14
    • PURPOSE: To obtain a room temperature or medium temperature-curable fiber- reinforced phenolic resin molding excellent in workability, curability and corrosiveness, by impregnating fiber with a liquid resol phenolic resin containing a specified acidic curing agent and curing the resin.
      CONSTITUTION: The desired fiber-reinforced phenolic resin molding is obtained by adding an acidic curing agent comprising 90W20wt% (in terms of solids) sulfonated resin of a degree of sulfonation (100 × the ratio of the number of sulfonated phenolic nuclei to the total number of phenolic nuclei) of 20W70 and 10W80wt% (in terms of solids) acidic phosphate ester to a liquid resol phenolic resin, impregnating fiber with the obtained mixture and curing the mixture.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:通过用含有特定酸性固化剂的液体酚醛树脂浸渍纤维并固化树脂,获得加工性,固化性和腐蚀性优异的室温或中温固化纤维增强酚醛树脂成型。 构成:所需的纤维增强酚醛树脂成型是通过加入含有90〜20wt%(以固体计)的磺化磺化树脂的酸性固化剂(100X,磺化酚醛核的数量与 酚核的总数)为20-70和10-80wt%(以固体计)的酸性磷酸酯与液体酚醛树脂酚醛树脂,用所得混合物浸渍纤维并固化该混合物。
    • 4. 发明专利
    • Production of phenolic resin foam
    • 苯酚树脂泡沫的生产
    • JPS59140236A
    • 1984-08-11
    • JP1379583
    • 1983-02-01
    • Showa Highpolymer Co Ltd
    • HASHIBA TAKASHI
    • C08J9/04
    • PURPOSE: To obtain a phenolic resin foam improved in corrosiveness, by mixing a resol phenolic resin with sodium sulfite, adding an acidic curing agent, and foaming and curing the mixture.
      CONSTITUTION: The desired phenolic resin foam is produced by adding 5W 40pts.wt. sodium sulfite to 100pts.wt. resol phenolic resin in the presence of an acidic curing agent, a blowing agent, and a surfactant, and foaming and curing the mixture. The sodium sulfite to be used above may be anhydrous or hydrated, and its form is preferably fine powder of about 40W100 mesh. It is preferably predispersed in the resol phenolic resin.
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:通过将酚醛树脂酚醛树脂与亚硫酸钠混合,加入酸性固化剂,发泡和固化混合物,获得改善了腐蚀性的酚醛树脂泡沫。 构成:所需的酚醛树脂泡沫是通过加入5-40pts.wt。 亚硫酸钠至100pts.wt。 在酸性固化剂,发泡剂和表面活性剂的存在下,分解酚醛树脂,并使混合物发泡和固化。 上述使用的亚硫酸钠可以是无水或水合的,其形式优选为约40-100目的细粉末。 优选在分解酚醛树脂中预先分散。