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    • 70. 发明专利
    • Manufacture of thermosetting resin composition for forming
    • 热成型树脂组合物的制备
    • JPS59215810A
    • 1984-12-05
    • JP9089083
    • 1983-05-24
    • Shin Kobe Electric Mach Co Ltd
    • TAGAMI YOSHITAKAMUYA KAZUHIKO
    • B29C43/00B29B9/00B29B9/04B29B13/00B29B15/00B29C33/00B29C43/24B29C43/32B29C43/46B29C43/52B29C43/58B29B1/00
    • B29B9/04
    • PURPOSE:To form granular pieces of a thermosetting resin by reducing the generation of fine particles through such an arrangement wherein the thermosetting resin is melted and then it is converted into a sheet between cooled rollers, and lastly the sheet-like resin is crushed into pieces. CONSTITUTION:A thermosetting resin such as phenol resin, epoxy resin or polyester resin is homogenized by rollers, kneaders, etc. at a temperature higher than its melting point and then it is converted into a sheet between cooled rollers arranged so that their space is kept less than 4mm.. The sheet body thus obtained is changed into pieces of a resin composition for forming by being crushed by a crusher. When the thickness of the sheet exceeds 4mm., pieces of the thermosetting resin composition for forming to be obtained by being crushed in a later stage of processing contain much fine particles and tend to be easily scattered around.
    • 目的:通过将热固性树脂熔融并将其转化成冷却辊之间的片材的方式,通过减少微粒的产生来形成热固性树脂的颗粒状片,最后将片状树脂粉碎成片 。 构成:将酚醛树脂,环氧树脂或聚酯树脂等热固性树脂在高于其熔点的温度下通过辊,捏合机等进行均化,然后将其转化成冷却辊之间的片材,使其保持空间 小于4mm。将由此获得的片材体通过被破碎机粉碎而变成用于形成的树脂组合物的片。 当片材的厚度超过4mm时,在后续加工阶段被粉碎而形成的热固性树脂组合物片段含有很多细小的颗粒,并且易于在周围散落。