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    • 6. 发明授权
    • 높은 니트릴함량의 열안정성이 우수한 스티렌계 수지조성물
    • 具有高腈含量和优异的热稳定性的苯乙烯类树脂组合物
    • KR1019960016625B1
    • 1996-12-16
    • KR1019930018486
    • 1993-09-14
    • 주식회사 엘지
    • 이태홍김영민이찬홍
    • C08L51/04
    • a first step wherein 50 to 90 wt.parts a monomer mixture of 50 to 80 wt.% a vinyl cyanide, 20 to 50 wt.% an aromatic vinyl compound, 5 wt.% or less of an unsaturated carboxylic acid or esters thereof or a vinyl acetate and 15 wt.% or less of a vinyl amide compound are graft-polymerized in the presence of 10 to 50 wt.parts a rubber latex and also in the presence of 0.001 to 2.0 wt. parts of a polymerization inhibitor to prepare a graft polymer(A); a second step wherein 50 to 80 wt.% a vinyl cyanide, 20 to 50 wt.% an aromatic vinyl compound and 5 wt.% or less of an unsaturated carboxylic acid or esters thereof are polymerized, while adding 2.0 wt.parts or less of a polymerization inhibitor to the mixture, to prepare a copolymer(B); or a third step wherein 100 wt.parts a styrene resin provided by mixing a copolymer(C) consisting of 25 to 40 wt.% a vinyl cyanide and 60 to 75 wt.% an aromatic vinyl compound are used in combination with 3-6 wt.parts a lubricant of one or more than two elements selected from paraffin wax, polyethylene wax, polypropylene wax, ethylenebis steamide, stearate ester, barium stearate or calcium stearate to form the composition wherein the rubber content in the composition falls within the range of 10 to 30 wt.%.
    • 第一步,其中50-90重量份为乙烯基氰的50至80重量%,芳族乙烯基化合物20至50重量%,不饱和羧酸或其酯的5重量%或更少的单体混合物或 乙酸乙烯酯和15重量%或更少的乙烯基酰胺化合物在10至50重量份的橡胶胶乳存在下接枝聚合,并且在0.001-2.0重量%存在下, 制备接枝聚合物(A)的阻聚剂的一部分; 第二步,其中将乙烯基氰,50至80重量%,20至50重量%的芳族乙烯基化合物和5重量%或更少的不饱和羧酸或其酯聚合,同时加入2.0重量份或更少 的聚合抑制剂,以制备共聚物(B); 或第三步骤,其中通过将由25至40重量%的乙烯基氰和60至75重量%的芳族乙烯基化合物组成的共聚物(C)混合提供的苯乙烯树脂100重量份与3-6 重量份为选自石蜡,聚乙烯蜡,聚丙烯蜡,亚乙基双硬脂酸酯,硬脂酸酯,硬脂酸钡或硬脂酸钙中的一种或多种元素的润滑剂,以形成组合物中的橡胶含量落在 10〜30重量%。
    • 9. 发明授权
    • 내열성 및 저온 내충격성이 우수한 열가소성 수지 조성물의 제조방법
    • 热塑性树脂组合物的制备
    • KR1019940004852B1
    • 1994-06-02
    • KR1019900020912
    • 1990-12-18
    • 주식회사 엘지
    • 이찬홍
    • C08L51/04
    • The thermoplastic resin compsn. is prepd. by mixing and kneading 2-14 wt.pts. of the resin (A) with 100 wt.pts. of the heat-resistant acrylonitrile-butadiene-stylene (ABS) resin comprising 40-55 wt.pts. of heat-resistant stylene-acrylonitrile (SAN) copolymer resin, 40-55 wt.pts. of common ABS resin and 0-5 wt.pts. of common SAN resin. The resin (A) is prepd. by graft polymerization of: the monomer mixture comprising 10-60 wt.pts. of the mixd. rubber latex contg. 20-95 wt.pts. of a larger rubber particle of 0.25-0.4 μ ave. particle size and 5-80 wt.pts. of a smaller rubber particle of 0.06-0.15 ave. particle size, lower than 60 wt.pts. of aromatic vinyl cpd. 5-20 wt.pts. of vinyl cyanide, 2-10 wt.pts. of methacrylamide and 2-10 wt.pts. of unsatd. carboxylic acid; initiating agent; and a chain extender.
    • 热塑性树脂组成。 是prepd 通过混合和捏合2-14重量份。 的树脂(A)100重量份。 的耐热丙烯腈 - 丁二烯 - 苯乙烯(ABS)树脂,其包含40-55wt .pts。 的耐热的苯乙烯 - 丙烯腈(SAN)共聚物树脂,为40-55wt。 的普通ABS树脂和0-5重量ppm。 的常见SAN树脂。 树脂(A)是制备的。 通过接枝聚合:单体混合物包含10-60重量份。 的混合 橡胶胶乳 20-95重量 的0.25-0.4μA的较大橡胶颗粒。 粒度和5-80重量ppm。 的较小的橡胶颗粒为0.06-0.15平均。 粒径小于60wt .pts。 的芳族乙烯基cpd。 5-20重量 的氰化乙烯,2-10重量ppm。 的甲基丙烯酰胺和2-10重量ppm。 不满足 羧酸; 起始剂; 和扩链剂。