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    • 5. 发明公开
    • 폴리프로필렌 수지 조성물, 이의 제조 방법 및 폴리프로필렌 수지 성형품
    • 聚丙烯树脂组合物及其制备方法和树脂成型方法
    • KR1020130059951A
    • 2013-06-07
    • KR1020110126213
    • 2011-11-29
    • 롯데케미칼 주식회사
    • 마성원유영규박승욱김영범김세훈이동우
    • C08L23/12C08K7/14C08K3/34C08J5/08
    • PURPOSE: A polypropylene resin composition is provided to obtain high impact strength and tensile strength, to obtain high elasticity and excellent heat resistance, and to minimize deformation after molding. CONSTITUTION: A polypropylene resin composition comprises 50-95wt% of polypropylene resin, 1-30wt% of glass long fiber, and 1-25wt% of phlogopite. The polypropylene resin is a highly crystalline polypropylene resin with a melt index of 30-100g/10minutes(ASTM D1238, 230 deg. C). A manufacturing method of the polypropylene resin composition comprises: a step of melting and extruding a raw material including a master batch containing the polypropylene resin and phlogopite; and a step of impregnating the raw glass long fiber into the raw material.
    • 目的:提供聚丙烯树脂组合物以获得高冲击强度和拉伸强度,以获得高弹性和优异的耐热性,并使成型后的变形最小化。 构成:聚丙烯树脂组合物包含50-95wt%的聚丙烯树脂,1-30wt%的玻璃长纤维和1-25wt%的金云母。 聚丙烯树脂是熔体指数为30-100g / 10分钟(ASTM D1238,230℃)的高度结晶的聚丙烯树脂。 聚丙烯树脂组合物的制造方法包括:熔融挤出含有聚丙烯树脂和金云母的母料的原料的工序; 以及将原料玻璃长纤维浸渍到原料中的工序。
    • 9. 发明授权
    • 저비중, 고탄성 및 저휨 특성의 열가소성 장섬유 폴리프로필렌 수지 조성물
    • 长玻璃纤维增​​强聚丙烯树脂组合物具有低密度,高弹性和低温度
    • KR101317596B1
    • 2013-10-11
    • KR1020120070090
    • 2012-06-28
    • 롯데케미칼 주식회사
    • 장은화유영규마성원조성민여천천황태룡
    • C08L23/12C08K7/14C08K5/54C08J5/08
    • PURPOSE: A polypropylene resin composition is provided to show an excellent elasticity, post-deformation prevention property and low warpage while maintaining a low density by using a flat glass fiber having a high aspect ratio as an inorganic filler. CONSTITUTION: A polypropylene resin composition comprises (a) 50-80 parts by weight of polypropylene resin; (b) 15-30 parts by weight of long glass fibers; and (c) 5-30 parts by weight of an inorganic filler. The inorganic filler is a flat glass fiber having a non-annular cross section, and has a 2-4:1 range of an aspect ratio of a minor axis length to a major axis of the fiber. The flat glass fiber has 20-30 micron of the major axis length of the fiber, and 5-10 micron of the minor axis length. (a) polypropylene resin is a highly crystalline polypropylene resin having a melting index (MI) of 30-150 g/10 min (ASTM D-1238, 230deg.C).
    • 目的:通过使用具有高纵横比的平板玻璃纤维作为无机填料,提供了一种聚丙烯树脂组合物,以显示出优异的弹性,变形后防止性和低翘曲性,同时保持低密度。 构成:聚丙烯树脂组合物包含(a)50-80重量份的聚丙烯树脂; (b)15-30重量份的长玻璃纤维; 和(c)5-30重量份的无机填料。 无机填料是具有非环形横截面的扁平玻璃纤维,并且具有短轴长度与纤维长轴的纵横比的2-4:1范围。 扁平玻璃纤维具有20-30微米的长轴长度的纤维,5-10微米的短轴长度。 (a)聚丙烯树脂是熔融指数(MI)为30-150g / 10min(ASTM D-1238,230℃)的高结晶性聚丙烯树脂。