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    • 1. 发明申请
    • A MANUFACTURING METHOD OF ORGANIC MODIFIER-FREE EXFOLIATED NANO CLAY-POLYMER COMPOSITE
    • 有机改性无纺布纳米粘土聚合物复合材料的制造方法
    • WO2008105575A1
    • 2008-09-04
    • PCT/KR2007/002495
    • 2007-05-23
    • SEOUL NATIONAL UNIVERSITY INDUSTRY FOUNDATIONKWAK, Seung-YeopSON, Se-BumCHUN, Sang-Wook
    • KWAK, Seung-YeopSON, Se-BumCHUN, Sang-Wook
    • C08J3/12
    • C08J5/005B82Y30/00C08J2367/02
    • The present invention relates to a manufacturing method of organic modifier-free exfoliated nano clay-polymer composite. The manufacturing method of organic modifier- free exfoliated nano clay-polymer composite includes (Sl) dispersing layered clay nanoparticles and dissolving a thermoplastic polymer in an acidic solvent; (S2) adding the product of step (Sl) to a polymer non-solvent incapable of dissolving the polymer, but capable of dissolving the organic modifier separated from the organized layered clay nanoparticles; and (S3) separating an organic modifier- free exfoliated nano clay -polymer composite from the product of step (S2). The inventive manufacturing method can maximally improve the physical properties of composites through the addition of the exfoliated clay nanoparticles by removing the organic modifier that may deteriorate physical properties of the composite from the exfoliated clay nanoparticles dispersed therein.
    • 本发明涉及不含有机改性剂的剥离纳米粘土 - 聚合物复合材料的制造方法。 不含有机改性剂的剥离纳米粘土 - 聚合物复合材料的制造方法包括(S1)分散层状粘土纳米颗粒并将热塑性聚合物溶解在酸性溶剂中; (S2)将步骤(S1)的产物加入到不能溶解聚合物但能够溶解从有组织的层状粘土纳米颗粒分离的有机改性剂的聚合物非溶剂中; 和(S3)从步骤(S2)的产物中分离出不含有机改性剂的剥离的纳米粘土 - 聚合物复合材料。 本发明的制造方法可以通过除去可能劣化复合材料从其中分散的剥离粘土纳米粒子的物理性质的有机改性剂,最大限度地改善复合材料的物理性能。