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    • 5. 发明授权
    • 열가소성 수지용 충격 보강제의 제조방법
    • 热塑性树脂的冲击强化工艺
    • KR1019960007319B1
    • 1996-05-30
    • KR1019930003832
    • 1993-03-13
    • 주식회사 엘지
    • 김동렬김노마
    • C08L51/04
    • (1) to manufacturing graft polymer of small diameter by polymerizing rubber polymer with 75-95% gel content and 0.08-0.15 Pm diameter and 30-60% monomer mixture made of aromatic vinyl compound and alkyl metacrylate at the rate of 43: 57 or 50/50; (2) manufacturing graft polymer of large diameter by polymerizing 55-80% rubber polymer with 0.15-0.28 Pm diameter made by condensing the rubber polymer used at step (1) and 20-45% monomer mixture made of aromatic vinyl compound and alkyl metacrylate at the rate of 40:60 or 50/50; and (3) mixing the graft polymer obtained from step (1) and (2) at the rate of 1:99-40:60.
    • (1)通过聚合具有75-95%凝胶含量和0.08-0.15μm直径的橡胶聚合物和30-60%由芳族乙烯基化合物和甲基丙烯酸烷基酯组成的单体混合物以43:57的比例制备小直径的接枝聚合物,或 50/50; (2)通过将通过将步骤(1)中使用的橡胶聚合物缩合制备的具有0.15-0.28Pm直径的55-80%橡胶聚合物和20-45%由芳族乙烯基化合物和甲基丙烯酸烷基酯组成的单体混合物制备大直径接枝聚合物 以40:60或50/50的比例; 和(3)以1:99-40:60的比例混合由步骤(1)和(2)获得的接枝聚合物。
    • 10. 发明授权
    • 내충격성 및 기계적 강도가 우수한 열가소성 수지의 제조방법
    • 制备具有良好耐冲击性和机械强度的热塑性树脂的方法
    • KR1019930002705B1
    • 1993-04-09
    • KR1019900002529
    • 1990-02-27
    • 주식회사 엘지
    • 김동렬이찬홍
    • C08F253/00C08F279/02
    • The thermoplastic resin is prepared by (1) mixing gamma-latex (A) (weight average particle diameter = 0.03-0.2 μm) and rubber latex (B) (weight average particle diameter = 0.03-0.2 μm), (2) enlarging the mixture to form the latex (C) having weight average particle diameter of 0.25-0.5 μm, (3) adding a monomer mixture consisting of above 60 wt.% of aroamatic vinyl monomer (D) and below 40 wt.% of vinyl compound (E) copolymerizable with (D), initiator and chain transfer agents into the latex (C) obtained in (2), and (4) emulsion graft polymerizing it. The resin has an excellent impact resistance and mechanical strength.
    • 热塑性树脂通过(1)将γ-胶乳(A)(重均粒径=0.03-0.2μm)和橡胶胶乳(B)(重均粒径=0.03-0.2μm)混合,(2) 混合物以形成重均粒径为0.25-0.5μm的胶乳(C),(3)加入由60重量%以上的芳香族乙烯基单体(D)组成的单体混合物和低于40重量%的乙烯基化合物( E)与(D),引发剂和链转移剂共聚合到(2)中获得的胶乳(C)中,和(4)乳液接枝聚合。 该树脂具有优异的抗冲击性和机械强度。