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    • 2. 发明公开
    • 발포성 스티렌 중합체의 제조방법 및 이로부터 제조된 발포성 스티렌 중합체
    • 制造可膨胀的聚苯乙烯聚合物和可膨胀的聚苯乙烯聚合物的方法
    • KR1020160038312A
    • 2016-04-07
    • KR1020140130946
    • 2014-09-30
    • 현대이피 주식회사
    • 지용희이종환황기호우정한
    • C08J9/16C08L25/06C08F2/18C08F2/44C08F12/08C08K3/08
    • 본발명은기존의발포성스티렌중합체가갖는우수한기계적특성을유지하면서뛰어난단열성과직사광선에의한변형현상이일어나지않는발포성스티렌중합체및 이러한발포성스티렌중합체의생산성향상을위한제조방법에관한것이다. 본발명은스티렌중합체및 알루미늄을포함한미니펠릿을제조하고, 수중에서현탁시키고, 아조계개시제를포함한스티렌모노머조성물을천천히연속적으로투입하고중합하는발포성스티렌중합체의제조방법을제공한다. 본발명에따르면, 흑색의불투열성재료를함유하는기존의단열재가태양광노출에의한열화현상이나타나는것과비교하여, 본발명의발포성스티렌중합체는태양광노출에의한열화현상을억제하여건축용단열자재로서효과적으로사용될수 있으며, 발포성스티렌중합체의중합시간을단축시켜생산성이향상된다.
    • 本发明涉及一种发泡性苯乙烯聚合物,其不受直接阳光直接转化,并表现出优异的隔热性能,同时保持了现有的可发性苯乙烯聚合物的优异的机械特性。 本发明还涉及提高可发性苯乙烯聚合物的生产率的制备方法。 根据本发明,制造可发性苯乙烯聚合物的方法包括以下步骤:制备含有苯乙烯聚合物和铝的微小丸; 暂停在水中; 并通过缓慢且连续地插入含有偶氮类引发剂的苯乙烯单体组合物进行聚合。 与现有的含有黑色惰性材料的绝缘材料相比,在暴露于太阳光之后显示退化,可发性苯乙烯聚合物可以防止由于暴露于太阳光而导致的劣化,因此可以有效地使用 作为建筑的绝缘材料。 因此,由于可发性苯乙烯聚合物的聚合时间的减少,生产率增加。
    • 7. 发明公开
    • 스티렌계 수지 조성물, 이로부터 얻어진 중합 결과물 및 성형품
    • 苯乙烯树脂组合物,聚合产物和从其获得的模具
    • KR1020100079682A
    • 2010-07-08
    • KR1020080138224
    • 2008-12-31
    • 현대이피 주식회사
    • 박경배박찬문황승준
    • C08L25/04C08L53/02C08F12/08C08J5/00
    • PURPOSE: A styrenic resin composition, and a polymerized product and a molded product obtained therefrom are provided to secure the shock resistance at a floor or a corner portion of the product after a vacuum molding process. CONSTITUTION: A styrenic resin composition contains 100 parts of monomer composition by weight, 0.001~1,500 ppm of initiator, 50~200 ppm of divinyl compound capable of polymerizing with a styrene compound, and 200~1,000 ppm of chain transfer agent. The monomer composition includes 88~96.5wt% of styrene compound, 3~10wt% of rubber compound, 0.5~2wt% of plasticizer, and 5~20wt% of organic solvent. A polymerized product obtained from the styrenic resin composition, contains a styrenic resin with the rubber average granularity over 7 microns, the tolerant product elongation over 60%, and the extensional viscosity over 1,000,000 pascal-second.
    • 目的:提供苯乙烯树脂组合物,聚合产物和由其获得的模塑产品,以确保在真空模制过程之后的产品的地板或角部处的抗冲击性。 构成:苯乙烯树脂组合物含有100重量份的单体组合物,0.001〜1500ppm的引发剂,50〜200ppm的能与苯乙烯化合物聚合的二乙烯基化合物和200〜1,000ppm的链转移剂。 单体组成包括苯乙烯化合物88〜96.5wt%,橡胶化合物3〜10wt%,增塑剂0.5〜2wt%,有机溶剂5〜20wt%。 由苯乙烯树脂组合物获得的聚合产物含有橡胶平均粒度超过7微米的苯乙烯树脂,耐受产品伸长率超过60%,拉伸粘度超过1,000,000帕斯卡 - 秒。
    • 9. 发明公开
    • 고충격성 및 저수축 특성을 지닌 폴리프로필렌-폴리에틸렌복합 조성물
    • 具有高冲击强度和低收缩特性的聚丙烯 - 聚乙烯复合材料
    • KR1020100002794A
    • 2010-01-07
    • KR1020080062826
    • 2008-06-30
    • 현대자동차주식회사현대이피 주식회사
    • 이동성차준호
    • C08L23/16C08L23/20C08L23/06C08K7/18
    • PURPOSE: A polypropylene-polyethylene composite composition is provided to ensure high impact resistance, low shrinkage, weather resistance, excellent moldability, and to be used in exterior parts of vehicles and electronics. CONSTITUTION: A polypropylene-polyethylene composite composition comprises (A) 10~50 parts by weight of ethylene-polyethylene copolymer in which the content of ethylene monomer is 1~10 wt%, an average molecular weigh is 100,000~400,000 g/mol, and a melt flow index(230 °C, 2.16 kg) is 0.5~100 g/10 min; (B) 5~25 parts by weight of ethylene-α-olefin copolymer in which the content of octane is 25~50 weight%, mooney viscosity is 5~50 ML1+4(121 °C), and glass transition temperature is (-65)~(-50) °C; 5-25 parts by weight of ethylene-propylene-diene in which the of propylene is 20~50 weight%, Mooney viscosity is 10~50 ML 1+4 at 125 °C; 5~50 parts by weight of polyethylene in which an average molecular weight is 50,000~100,000 g/mol and a melt flow index(230 °C, 2.16 kg) is 0.5~100 g/10 min; and 5~30 parts by weight of inorganic filler with average particle size 0.5~10 micron.
    • 目的:提供聚丙烯 - 聚乙烯复合组合物,以确保高抗冲击性,低收缩率,耐候性,优异的成型性,并用于车辆和电子设备的外部部件。 构成:聚丙烯 - 聚乙烯复合组合物包含(A)10〜50重量份乙烯 - 聚乙烯共聚物,其中乙烯单体的含量为1〜10重量%,平均分子量为100,000〜400,000g / mol, 熔体流动指数(230℃,2.16kg)为0.5〜100g / 10min; (B)5〜25重量份的辛烷值为25〜50重量%的乙烯-α-烯烃共聚物,门尼粘度为5〜50ML1 + 4(121℃),玻璃化转变温度为( -65)〜(-50)℃; 丙烯为20〜50重量%的乙烯 - 丙烯 - 二烯5-25重量份,125℃时门尼粘度为10〜50ML1 + 4; 5〜50重量份的平均分子量为50,000〜100,000g / mol,熔体流动指数(230℃,2.16kg)的聚乙烯为0.5〜100g / 10分钟; 和5〜30重量份的平均粒度为0.5〜10微米的无机填料。