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    • 3. 发明授权
    • Process for preparing colorless rosins
    • 无色松香的制备方法
    • US5606016A
    • 1997-02-25
    • US373222
    • 1995-01-18
    • Masao MaedaYukiharu YamadaYutaka Koba
    • Masao MaedaYukiharu YamadaYutaka Koba
    • C09F1/04C08F1/00C08F1/02C08F1/04
    • C09F1/04
    • A process for preparing colorless rosins characterized by dehydrogenating purified hydrogenated rosins in the presence of a dehydrogenating catalyst. The colorless rosins obtained according to the process of the present invention are nearly colorless in appearance, odorless and excellent in stabilities, particularly are excellent in various properties such as odor, stabilities and compatibility in a heated state. Accordingly the above-mentioned colorless rosins are suitably used not only as modifiers for soap-type cleaning compositions, but also as emulsifiers for synthetic rubbers and emulsion polymerization in the form of alkali metal salts thereof. The esterified colorless rosins are suitably used as tackifiers for hotmelt-type adhesives, modifiers for rubbers and various plastics, starting materials for traffic paints, base materials for chewing gums, modifiers for inks and paints, coating agents for pigments, fluxes for solders, and the like, and thus the commercial values of final products for those uses can be increased.
    • PCT No.PCT / JP94 / 00792 Sec。 371 1995年1月18日第 102(e)1995年1月18日PCT PCT 1994年5月16日PCT公布。 公开号WO94 / 26833 日期1994年11月24日一种制备无色松香的方法,其特征在于在脱氢催化剂存在下使纯化的氢化松香脱氢。 根据本发明的方法获得的无色松香在外观上几乎无色,无臭,稳定性优异,特别是在加热状态下的气味,稳定性和相容性等各种性能优异。 因此,上述无色松香不仅用作皂型清洗组合物的改性剂,而且适用于合成橡胶的乳化剂和其碱金属盐形式的乳液聚合。 酯化的无色松香适合用作热熔型粘合剂,橡胶和各种塑料的改性剂,交通漆用起始材料,口香糖基料,油墨和油漆用改性剂,颜料用涂料,焊料助熔剂和 因此可以增加用于这些用途的最终产品的商业价值。