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    • 129. 发明申请
    • METHOD FOR PREPARING A SOL-GEL RESIN
    • 制备溶胶凝胶的方法
    • US20140323680A1
    • 2014-10-30
    • US14259884
    • 2014-04-23
    • Momentive Specialty Chemicals Inc.
    • Stephen W. ARBUCKLEGabriele BadiniJohn HugginsSanjay Gangal
    • C08G8/24
    • C08G8/24C08G8/22C08J3/12C08J2361/08C08J2361/12C08L61/12
    • Sol-gel resins can be prepared using one or two-step processes to produce small granules or pellets of resin that are easy to handle. The methods include agitating phenolic compounds and aldehydes in the presence of a catalyst and a solvent. The reactants are brought together over a period of time to avoid an undesirable buildup of heat within the reaction mass. Condensation of the material continues under agitation sufficient to knead the material as it gels. During this gelation, the material begins to form into smaller parts until particles, the shape of granules, are produced. The condensation continues to the degree that the material is no longer capable of sintering during packaging and storage. The material thus made can be easily discharged, packaged, portioned, and further processed.
    • 溶胶 - 凝胶树脂可以使用一步或两步法制备,以生产易于处理的小颗粒或树脂颗粒。 所述方法包括在催化剂和溶剂的存在下搅拌酚类化合物和醛。 将反应物在一段时间内聚合在一起,以避免反应物料内不希望的热积聚。 材料的冷凝在搅拌下持续,足以在其凝胶时捏合材料。 在这种凝胶化过程中,材料开始形成较小的部分,直到产生颗粒的形状。 冷凝继续到在包装和储存期间材料不再能够烧结的程度。 由此制成的材料可以容易地排出,包装,分割和进一步加工。