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    • 6. 发明授权
    • Fibrous binder and a method for the preparation thereof
    • 纤维粘合剂及其制备方法
    • US4744830A
    • 1988-05-17
    • US935203
    • 1986-11-26
    • Yoshinari KobayashiRyukichi Matsuo
    • Yoshinari KobayashiRyukichi Matsuo
    • A61L15/28A61L15/60C08L5/00C09J105/04D01F9/04D04H1/542D21H13/10
    • D21H5/1227A61L15/28A61L15/60C09J105/04D01F9/04D21H13/32
    • The invention provides a fibrous binder capable of exhibiting a bonding ability in a dry condition for fibers having no self-adhesiveness in paper making but capable of imparting the paper made by use of the same with disintegrability into discrete fibers in a wet condition so that the paper is disposable in water. The fibrous binder is prepared by wet-spinning of an aqueous dope containing a water-soluble salt, e.g. sodium salt, of alginic acid and an alkyleneglycol ester of alginic acid in a specified proportion into a coagulation bath containing a water-soluble salt of certain metals, e.g. calcium, of which the ions are replaceable with the sodium ions of the water-soluble salt of alginic acid to convert the acid into a water-insoluble salt so as to form a water-insoluble gel in a fibrous form of a blend composed of the water-insoluble metal salt of alginic acid and the alkyleneglycol ester of alginic acid.
    • 本发明提供了一种纤维粘合剂,其能够在干燥条件下对造纸中没有自粘性的纤维表现出粘合能力,但能够在湿润状态下将其使用具有崩解性的纸赋予离散纤维, 纸是一次性的在水中。 纤维粘合剂通过将含有水溶性盐的水溶液湿法纺丝制备, 钠盐,海藻酸和藻酸的亚烷基二醇酯以特定比例加入到含有某些金属的水溶性盐的凝固浴中, 钙,其中离子可与藻酸的水溶性盐的钠离子替代,以将酸转化成不溶于水的盐,以形成纤维形式的共混物,其由 藻酸的水不溶性金属盐和藻酸的亚烷基二醇酯。