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    • 1. 发明公开
    • 용융장력이 우수한 폴리프로필렌계 수지 조성물 및 그 제조방법
    • 具有改进的熔体强度和制造方法的聚丙烯树脂组合物
    • KR1020130057025A
    • 2013-05-31
    • KR1020110122734
    • 2011-11-23
    • 롯데케미칼 주식회사
    • 박천민최창휴박승빈김찬준
    • C08L23/12C08L27/12C08K3/00B29C47/40
    • PURPOSE: A polypropylene-based resin composition is provided to set contents of fluorine resin and inorganic filler to improve melting tension of the resin composition and to have a simple mixing and molding process through an extruder. CONSTITUTION: A polypropylene-based resin composition comprises 100.0 parts by weight of a polypropylene resin or high melting tension polypropylene resin; 0.1-20 parts by weight of a fluorine resin; and 0.1-20 parts by weight of inorganic filler. The weight average molecular weight of the polypropylene resin is a propylene homopolymer or copolymer which has a weight average molecular weight of 300,000 or more and a melt index(ASTM D1238) of 0.1-10 g/10min. The polypropylene-based resin composition has a melting tension of 0.3 N or more.
    • 目的:提供一种聚丙烯类树脂组合物,用于设置氟树脂和无机填料的含量,以提高树脂组合物的熔融张力,并通过挤出机进行简单的混合和模塑加工。 构成:聚丙烯系树脂组合物含有100.0重量份聚丙烯树脂或高熔点拉伸聚丙烯树脂; 0.1-20重量份氟树脂; 和0.1-20重量份的无机填料。 聚丙烯树脂的重均分子量是重均分子量为300000以上,熔体指数(ASTM D1238)为0.1-10g / 10min的丙烯均聚物或共聚物。 聚丙烯类树脂组合物的熔融张力为0.3N以上。
    • 3. 发明授权
    • 폴리프로필렌-클레이 나노복합재
    • 폴리프로필렌 - 클레이나노복합재
    • KR100684929B1
    • 2007-02-22
    • KR1020050116356
    • 2005-12-01
    • 롯데케미칼 주식회사
    • 김세훈박상현한상민박천민
    • C08L23/12C08K9/06C08K5/14B82Y30/00
    • A polypropylene-clay nanocomposite is provided to suppress side-reactions by using proper organic peroxide and to have both improved mechanical strength and impact strength. The polypropylene-clay nanocomposite is prepared by the steps of: mixing (A) 10-99.8wt% of polypropylene resin having a melt index(ASTM 1238, g/10min) of 0.1-50.0g/10min, (B) 0.1-40wt% of modified polypropylene resin, (C) 0.1-40wt% of organic clay, and (D) 0.1-2.0 parts by weight, based on 100 parts by weight of the [A+B+C], of organic peroxide in a Henschel mixer under the ambient-temperature nitrogen atmosphere for 1-4 minutes at a speed of 500rpm, and then for 1-4 minutes at a speed of 1,500rpm; and subjecting the mixture to a melt reaction using a single-screw extruder, a multi-screw extruder, a kneader, or a banbury mixer having a L/D of 20 or more at 160-240‹C.
    • 提供聚丙烯 - 粘土纳米复合材料以通过使用适当的有机过氧化物来抑制副反应并且具有改善的机械强度和冲击强度。 聚丙烯 - 粘土纳米复合材料通过以下步骤制备:将(A)10-99.8wt%熔体指数(ASTM 1238,g / 10min)为0.1-50.0g / 10min的聚丙烯树脂,(B)0.1-40wt% (C)0.1-40重量%有机粘土和(D)0.1-2.0重量份,基于100重量份的[A + B + C]有机过氧化物在亨舍尔 在环境温度的氮气氛中以500rpm的速度搅拌1-4分钟,然后以1,500rpm的速度搅拌1-4分钟; 并使用单螺杆挤出机,多螺杆挤出机,捏合机或L / D为20或更大的班伯里密炼机在160-240℃下对混合物进行熔融反应。
    • 7. 发明授权
    • 내열성 및 고유동성이 우수한 스티렌계 열가소성 탄성체조성물
    • 具有耐热性和高流动性的苯乙烯热塑性树脂组合物
    • KR100828620B1
    • 2008-05-09
    • KR1020060135911
    • 2006-12-28
    • 롯데케미칼 주식회사
    • 최창휴이우영박천민
    • C08L25/08C08L23/12
    • A styrene-based thermoplastic elastomer composition, and a method for preparing a styrene-based thermoplastic elastomer by using the composition are provided to improve heat resistance and fluidity. A styrene-based thermoplastic elastomer composition comprises 20-80 parts by weight of a styrene-ethylene-butylene-styrene(SEBS) block copolymer; 20-80 parts by weight of metallocene polypropylene; 20-80 parts by weight of a paraffin oil; and 0.05-50 parts by weight of an additive. The additive is at lest one selected from the group consisting of at least one inorganic additive selected from the group consisting of silica, clay, talc, titanium dioxide, zinc oxide and lead oxide; carbon black; a flame retardant; and a heat stabilizer.
    • 提供苯乙烯类热塑性弹性体组合物,以及使用该组合物制备苯乙烯类热塑性弹性体的方法,以提高耐热性和流动性。 苯乙烯类热塑性弹性体组合物包含20-80重量份苯乙烯 - 乙烯 - 丁烯 - 苯乙烯(SEBS)嵌段共聚物; 20-80重量份茂金属聚丙烯; 20-80重量份的石蜡油; 和0.05-50重量份的添加剂。 添加剂至少选自由二氧化硅,粘土,滑石,二氧化钛,氧化锌和氧化铅组成的组中的至少一种无机添加剂; 碳黑; 阻燃剂; 和热稳定剂。
    • 10. 发明授权
    • 고강성 폴리프로필렌-클레이 나노복합재, 이의 제조방법,및 복합재를 포함하는 차량용 웨더 스트립
    • 聚丙烯/粘土纳米复合树脂具有高机械强度的制备及其包裹纳米复合材料的天然条纹
    • KR100902179B1
    • 2009-06-10
    • KR1020070140677
    • 2007-12-28
    • 롯데케미칼 주식회사
    • 이우영최창휴고성록남병국박천민
    • C08L23/12C08J3/20C08K3/00B82Y30/00
    • A method for manufacturing polypropylene/clay nanocomposite resin is provided to secure high dispersion even if small amount of a compatibilizer and nanoclay, low density and high flexural elasticity. A method for manufacturing polypropylene/clay nanocomposite resin comprises the steps of: injecting polypropylene 70-99.8 weight% with flexural modulus of 12,000-20,000 Kg/cm^2 in a reaction extruder; fusing the polypropylene at 180-220 °C; injecting a compatibilizer 0.1-10 weight% of modified polypropylene in the molten material and melting and mixing them, wherein the modified polypropylene is attached with reactive group selected from the group consisting of maleic acid, maleic anhydride, carboxylic acid and hydroxyl group; and adding nanoclay 0.1-20 weight% to the molten mixture, dispersing the mixture and extruding the dispersion.
    • 提供一种制造聚丙烯/粘土纳米复合材料树脂的方法,即使少量的增容剂和纳米粘土,低密度和高弯曲弹性也能确保高分散性。 制备聚丙烯/粘土纳米复合材料树脂的方法包括以下步骤:在反应挤出机中注射聚丙烯70-99.8重量%,弯曲模量为12,000-20,000Kg / cm 2; 将聚丙烯在180-220℃下熔化; 在所述熔融材料中注入0.1-10重量%的改性聚丙烯,并将其熔融和混合,其中所述改性聚丙烯与选自马来酸,马来酸酐,羧酸和羟基的反应性基团连接; 并向熔融混合物中加入0.1-20重量%的纳米粘土,分散混合物并挤出分散体。