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    • 8. 发明授权
    • Pullulan aminoalkyl ether
    • 支链淀粉氨基烷基醚
    • US4167623A
    • 1979-09-11
    • US848033
    • 1977-11-03
    • Fumio FujitaKosuke FukamiMasanori Fujimoto
    • Fumio FujitaKosuke FukamiMasanori Fujimoto
    • C08B37/00C07H15/04
    • C08B37/0018
    • Pullulan aminoalkyl ether is obtained by reacting pullulan with an aminoalkylating agent in a solvent in the presence of an alkali. This ether may be used as a cationic polymer of considerable utility in industries. For instance, when used in a paper coating material, it gives desirable effects on gloss, RI dry pick, and RI wet pick and, furthermore, as compared with pullulan, markedly improves physical properties of the coated paper such as tearing strength, tensile strength and wrinkle recovery; it improves also retention of loading materials such as clay and calcium carbonate.
    • 支链淀粉氨基烷基醚通过在碱存在下在溶剂中将支链淀粉与氨基烷基化试剂反应得到。 该醚可用作工业中相当实用的阳离子聚合物。 例如,当在纸张涂布材料中使用时,其对光泽度,RI干性接枝和RI湿腻子具有期望的效果,此外,与支链淀粉相比,显着改善涂布纸的物理性能如撕裂强度,拉伸强度 和皱纹恢复; 它还改善了载体材料如粘土和碳酸钙的保留。