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    • 2. 发明公开
    • 개질 아스팔트 조성물 및 이를 이용한 개질 아스팔트의 제조방법
    • 沥青改性剂及其改性沥青组合物
    • KR1020120031633A
    • 2012-04-04
    • KR1020100093118
    • 2010-09-27
    • 주식회사 엘지화학
    • 김진영서유석윤병훈전문석
    • C08L53/02C08F236/10C08F279/06C08L95/00
    • PURPOSE: An asphalt modifier is provided to prevent gel generation in an improved asphalt wherein the improved asphalt contains a large amount of sulfur, and to improve the physical properties of asphalt like the softening point, viscosity, low temperature elongation, elastic recovery, etc. CONSTITUTION: An asphalt modifier comprises two or more kinds of vinyl aromatic hydrocarbon-conjugated diene block copolymer mixtures having different conjugated diene structures from each other. In the vinyl aromatic hydrocarbon-conjugated diene block copolymer, the content of vinyl aromatic hydrocarbons is 5-50 parts by weight based on 100.0 parts by weight of the vinyl aromatic hydrocarbon-conjugated diene block copolymer, and the number average molecular weight is 5,000-1,000,000 g/mol. The modified asphalt composition comprises asphalt, the asphalt modifier and sulfur.
    • 目的:提供沥青改性剂以防止改性沥青中发生凝胶,其中改良沥青含有大量硫,并改善沥青的物理性能,如软化点,粘度,低温伸长率,弹性回复率等。 构成:沥青改性剂包含两种或更多种彼此具有不同共轭二烯结构的乙烯基芳族烃 - 共轭二烯嵌段共聚物混合物。 在乙烯基芳香族烃共轭二烯嵌段共聚物中,乙烯基芳香族烃的含量相对于乙烯基芳香族烃共轭二烯嵌段共聚物100.0重量份为5〜50重量份,数均分子量为5000〜 1,000,000 g / mol。 改性沥青组合物包括沥青,沥青改性剂和硫。
    • 8. 发明公开
    • 변성 공액 디엔계 중합체 및 이의 제조방법
    • 改性共轭二烯聚合物及其制备方法
    • KR1020140098716A
    • 2014-08-08
    • KR1020140027763
    • 2014-03-10
    • 주식회사 엘지화학
    • 이로미이상미이춘화윤병훈김진영전문석
    • C08K5/5415C08K5/544C08F8/30C08F236/10C08L9/06C08L15/00C08K3/36
    • C08F236/10C07F7/184C08C19/44C08K3/36C08K5/5415C08K5/544C08L9/06
    • The present invention relates to a modified conjugated diene-based polymer and a method for producing the same. More specifically, the present invention relates to a modified conjugated diene-based polymer represented by Chemical Formula 1 and a method for producing the same. [Chemical Formula 1] (R_1 is an alkyl group or an alkylsilyl group; R_2 is an alkyl group or an alkylene group; R_3 and R_4 are alkyl groups; a is an integer of 1 to 3; l and k are integers of 0 to 2; m is an integer of 1 to 3; l+k+m satisfies 3; p is a v polymer chain; b is an integer of 1 to 3; when k is 2 or more, two or more R_1s bonding with nitrogen may be the same or different from each other; and when l and m are 2 or more in the same manner, groups corresponding to the same can be the same or different from each other.) According to the present invention, the modified conjugated diene-based polymer has excellent v with an inorganic filler, pyrogenicity, tensile strength, wear resistance, low fuel consumption properties, and wet surface resistance.
    • 本发明涉及一种改性共轭二烯系聚合物及其制造方法。 更具体地说,本发明涉及由化学式1表示的改性共轭二烯系聚合物及其制造方法。 [化学式1](R 1是烷基或烷基甲硅烷基; R 2是烷基或亚烷基; R 3和R 4是烷基; a是1-3的整数; l和k是0〜 2; m为1〜3的整数; l + k + m满足3; p为av聚合物链; b为1〜3的整数;当k为2以上时,与氮键合的2个以上的R_1可以 相同或不同;当l和m以相同的方式为2或更多时,相应的基团可以相同或不同。)根据本发明,改性共轭二烯系 聚合物具有优异的v与无机填料,热原性,拉伸强度,耐磨性,低燃料消耗性能和湿表面电阻。