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    • 35. 发明公开
    • 폴리프로필렌-층상구조점토 나노복합체 조성물 및 그의제조방법
    • 聚丙烯层状硅酸盐纳米复合体组合物及其制备方法
    • KR1020040069564A
    • 2004-08-06
    • KR1020030006000
    • 2003-01-29
    • 주식회사 엘지화학
    • 곽민한이봉근
    • C08K3/00B82B3/00
    • PURPOSE: A polypropylene-layered silicate nanocomposite composition and its preparation method are provided, to improve stiffness, heat resistance, impact resistance, affinity with a polymer resin, dispersion and releasability. CONSTITUTION: The composition comprises 0.1-40 wt% of a modified polypropylene; 0.1-40 wt% of an organic layered clay; 16-99 wt% of a polypropylene resin; and 0001-4 wt% of a chain extender. Preferably the modified polypropylene is obtained by modifying at least one polypropylene selected from the group consisting of a propylene homopolymer, a propylene-α -olefin copolymer and a propylene-unconjugated diene-based compound copolymer, with a functional group, and has a weight average molecular weight of 5,000-5,000,000; and the organic layered clay is a clay substituted with an organic onium ion. The method comprises the steps of mixing an organic layered clay with a modified polypropylene and a polypropylene resin to prepare a master batch; and adding a polypropylene resin and a chain extender to the master batch and melting the mixture.
    • 目的:提供聚丙烯层状硅酸盐纳米复合材料组合物及其制备方法,以提高刚性,耐热性,耐冲击性,与聚合物树脂的亲和性,分散性和脱模性。 组成:组合物包含0.1-40重量%的改性聚丙烯; 0.1-40重量%的有机层状粘土; 16-99重量%的聚丙烯树脂; 和0001-4重量%的增链剂。 优选地,改性聚丙烯通过将至少一种选自丙烯均聚物,丙烯-α-烯烃共聚物和丙烯 - 未共轭二烯基化合物共聚物的聚丙烯与官能团进行改性而得到,并具有重均分子量 分子量5,000-5,000,000; 有机层状粘土是用有机鎓离子取代的粘土。 该方法包括将有机层状粘土与改性聚丙烯和聚丙烯树脂混合以制备母料的步骤; 并向母料中加入聚丙烯树脂和扩链剂并使混合物熔化。
    • 36. 发明公开
    • 전이금속 착화합물의 형성을 이용한 유기점토 조성물 및그 제조방법
    • 使用形成过渡金属配合物的组织组成物及其制备方法
    • KR1020020072693A
    • 2002-09-18
    • KR1020010012666
    • 2001-03-12
    • 주식회사 엘지화학
    • 이인수이봉근이민희곽민한
    • C01B33/44
    • C01B33/44C08K9/04
    • PURPOSE: An organoclay composition is provided which is usefully used in preparation of clay composite of polymer having high melting point or glass transition temperature by having a longer interlayer distance and showing higher heat stability than existing organoclay, and a process for preparing the composition is provided. CONSTITUTION: The organoclay composition comprises a complex compound of transition metal cations and hydrophobic organic compound between layers of stratified clay mineral, wherein the stratified clay mineral is smectite mineral having cation substitution capability of 80 to 150 meq/100g, the transition metal cations are one or more ions selected from the group consisting of monovalent, bivalent, trivalent and quadrivalent cations of first row transition metal or second row transition metal, the first row transition metal is a metal selected from the group consisting of Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu and Zn, the second row transition metal is a metal selected from the group consisting of Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag and Cd, the hydrophobic organic compound comprises electron donor functional groups and one or more hydrophobic carbon chains having 5 to 30 carbon numbers, the electron donor functional groups are one or more functional groups selected from the group consisting of aliphatic amine, aromatic amine, phosphine, arsine, and derivatives thereof, the complex compound has a coordination number of 1 to 6, and the hydrophobic organoclay comprises 25 wt.% or more of organic matter. The process for preparing the organoclay comprises the steps of a) preparing clay mineral in which cations between layers of the clay mineral are substituted into transition metal cations by dispersing the stratified clay mineral into water in which transition metal salts are dissolved, or a mixed solvent of water and alcohol; and b) forming a complex compound of transition metal cations and organic compound by adding a hydrophobic organic compound to the transition metal cation substituted clay mineral.
    • 目的:提供一种有机粘土组合物,其有效地用于制备具有高熔点或玻璃化转变温度的聚合物的粘土复合材料,其具有比现有有机粘土更长的层间距离和更高的热稳定性,并且提供了制备该组合物的方法 。 构成:有机粘土组合物包含层状粘土矿物层之间的过渡金属阳离子和疏水性有机化合物的复合化合物,其中分层粘土矿物是阳离子取代能力为80-150meq / 100g的绿土矿物,过渡金属阳离子为一 或更多选自第一列过渡金属或第二列过渡金属的一价,二价,三价和四价阳离子的离子,所述第一行过渡金属是选自Sc,Ti,V,Cr, Mn,Fe,Co,Ni,Cu和Zn,第二列过渡金属是选自Y,Zr,Nb,Mo,Tc,Ru,Rh,Pd,Ag和Cd的金属,疏水性有机化合物 包括电子供体官能团和一个或多个碳数为5至30个的疏水性碳链,电子供体官能团是一个或多个选自以下的官能团: 脂肪族胺,芳香胺,膦,胂及其衍生物,络合物的配位数为1〜6,疏水性有机粘土占有机物的25重量%以上。 制备有机粘土的方法包括以下步骤:a)制备粘土矿物,其中通过将分层的粘土矿物分散在其中溶解过渡金属盐的水中,将粘土矿物的层之间的阳离子取代为过渡金属阳离子,或混合溶剂 的水和酒精; 和b)通过向过渡金属阳离子取代的粘土矿物中加入疏水性有机化合物,形成过渡金属阳离子和有机化合物的络合物。