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    • 24. 发明公开
    • 폴리아릴렌계 수지 조성물
    • 聚氨酯树脂组合物
    • KR1020150072376A
    • 2015-06-29
    • KR1020140184720
    • 2014-12-19
    • 주식회사 엘지화학
    • 이지혜홍은표김지선최기대이언석
    • C08L81/02C08L63/00C08L23/00C08L83/04C08J5/00
    • C08L81/02C08J5/00C08L23/00C08L63/00C08L83/04D10B2331/301
    • 본발명은다른물성의저하없이충격강도가우수한폴리아릴렌계수지조성물을제공하기위한것으로, 특히워터해머(water hammer) 현상에대하여내구성을가질수 있어온수기및 보일러배관용부품에적합한폴리아릴렌계수지조성물에관한것으로, 폴리아릴렌계수지 57 내지 69.9 중량%, 탄성중합체 1 내지 9 중량%, 에폭시화합물 0.1 내지 1 중량% 및충전제 25 내지 34 중량%를포함하는것을특징으로한다. 본발명에따르면내열성과내화학성이우수하고, 높은기계적강도를가지나충격강도가약하여파괴되기쉬운취성을갖는폴리아릴렌계수지, 특히폴리페닐렌설파이드수지에탄성중합체를 1 내지 9 중량%, 바람직하게는 5 내지 9 중량%의범위이내의최적의범위의양으로혼합하고, 충전제로보강함으로써다른물성의큰 저하없이효과적으로충격강도를향상시키는효과가있다.
    • 本发明提供一种聚亚芳基系树脂组合物,其具有优异的冲击强度而不降低其它机械性能,特别涉及一种聚乙烯系树脂组合物,其适用于热水器部件和锅炉管, 组合物可以具有相对于水击现象的耐久性,并且包括:57-69.9重量%的聚亚芳基系树脂,1-9重量%的弹性体,0.1-1重量%的环氧化合物和25-34重量% %的填料。 根据本发明,通过以下方法可以提高聚亚芳基系树脂组合物的冲击强度,而不会明显地降低其它物理性能:将耐热性和耐化学性优异的聚亚芳基系树脂,特别是聚苯硫醚树脂混合, 具有低的冲击强度,同时具有高的机械强度,因此脆性容易断裂,具有1-9重量%,或优选在弹性体的5-9重量%范围内的优化量; 并用填料加强聚苯硫醚树脂。
    • 28. 发明公开
    • 내구성 향상을 위해 실링 마진을 가진 파우치형 이차 전지
    • 具有密封性的POUCH类型的二次电池用于改善耐久性
    • KR1020140082585A
    • 2014-07-02
    • KR1020130162629
    • 2013-12-24
    • 주식회사 엘지화학
    • 박승엽신영준박효석김지선
    • H01M2/08H01M2/02
    • H01M2/0207H01M2/021H01M2/0275H01M2/0277H01M2/0285H01M2/029H01M2/06H01M10/0436H01M10/0463H01M10/052H01M10/0583H01M2220/30Y02T10/7011
    • Disclosed in the present invention is a pouch-type secondary battery having a sealing margin to improve the durability. In the pouch-type secondary battery, a cell assembly is covered using a pouch packing material including an upper and a lower pouch film in which at least an outer protection layer, a metal substrate, and a sealing layer are laminated, and the pouch packing material is sealed through a thermal-sealing process. Along the edge of the pouch packing material is a sealing area formed as the sealing layers of the upper and the lower pouch film are fused. The sealing margin, which is a distance to the boundary of the sealing area from the intersecting point between a first line which is horizontally extended from the surface of the sealing area and a second line which is the tangent having the average inclination among possible tangents formed at each point on the cross-sectional inclined line of the pouch packing material close to the sealing area, taking the cross section of the secondary battery as a reference, is greater than the moving distance of the sealing residue leaking from the sealing area.
    • 在本发明中公开了具有密封边缘以提高耐久性的袋型二次电池。 在袋式二次电池中,使用包括上层和下层膜的袋包装材料覆盖电池组件,其中至少外保护层,金属基板和密封层被层压,并且袋包装 材料通过热密封过程进行密封。 沿着袋包装材料的边缘是由上,下袋膜的密封层熔合而形成的密封区域。 密封边界距密封区域的从密封区域的表面水平延伸的第一线和第二线之间的交叉点的边界的距离,该第二线是在形成的切线之间具有平均倾斜度的切线 在接近密封区域的袋式包装材料的横截面倾斜线上的每个点处,以二次电池的横截面为参考,大于密封区域从密封区域泄漏的移动距离。