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    • 8. 发明公开
    • 열접착성 폴리프로필렌계 수지 조성물
    • 热密封聚丙烯基树脂组合物
    • KR1020040041728A
    • 2004-05-20
    • KR1020020069582
    • 2002-11-11
    • 한화토탈 주식회사
    • 차승엽최연범김창희
    • C08L23/16C08L23/22C08L53/00
    • C08L23/16C08L23/22C08L53/00C08L2201/10C08L2205/02C08L2205/03
    • PURPOSE: A heat sealable polypropylene-based resin composition is provided, to improve a heat sealing property and to suppress the generation of low crystalline materials, thereby enhancing the blocking resistance of films. CONSTITUTION: The polypropylene-based resin composition comprises 80-98 wt% of a crystalline ethylene-propylene-1-butene terpolymer having a melt index of 1.0-10.0 g/10 min (230 deg.C) and a melting point of 125-135 deg.C; 1-10 wt% of a 1-butene-alpha-olefin copolymer having a melt index of 1.0-10.0 g/10 min (230 deg.C) and a density of 0.89-0.91 g/cm¬3; and 1-10 wt% of an ethylene-propylene random block copolymer having a melt index of 1.0-10.0 g/10 min (230 deg.C) and a melting point of 140-150 deg.C. Preferably the 1-butene-alpha-olefin copolymer contains an alpha-olefin of C2-C8; and the ethylene-propylene random block copolymer comprises 80-95 wt% of a crystalline ethylene-propylene copolymer containing 1-5 wt% of ethylene and 5-20 wt% of an elastic ethylene-propylene copolymer containing 25-60 wt% of ethylene.
    • 目的:提供可热封的聚丙烯类树脂组合物,以提高热封性,并抑制低结晶性物质的产生,从而提高膜的抗粘连性。 构成:聚丙烯类树脂组合物包含80-98重量%的熔体指数为1.0-10.0g / 10min(230℃)和熔点为125℃的结晶乙烯 - 丙烯-1-丁烯三元共聚物, 135℃; 1-10重量%的熔体指数为1.0-10.0克/ 10分钟(230℃)和密度为0.89-0.91克/厘米3的1-丁烯-α-烯烃共聚物; 和1-10wt%的熔体指数为1.0-10.0g / 10min(230℃)和熔点为140-150℃的乙烯 - 丙烯无规嵌段共聚物。 优选地,1-丁烯-α-烯烃共聚物含有C 2 -C 8的α-烯烃; 乙烯 - 丙烯无规嵌段共聚物包含80-95重量%的含有1-5重量%乙烯和5-20重量%含25-60重量%乙烯的弹性乙烯 - 丙烯共聚物的结晶乙烯 - 丙烯共聚物 。
    • 9. 发明公开
    • 흐름성 및 내열성이 우수한 폴리프로필렌 수지조성물
    • 聚丙烯树脂组合物在流动性和耐热性方面优异
    • KR1020000041504A
    • 2000-07-15
    • KR1019980057385
    • 1998-12-22
    • 한화토탈 주식회사
    • 이영준전용최연범
    • C08L23/10
    • C08L23/10C08K3/34C08K5/0083C08K5/56
    • PURPOSE: A polypropylene resin comprising a highly stereo regular polyolefin resin and a nucleating agent is provided which is excellent in flowability, heat resistance, mechanical strength and surface hardness and has strong scratch resistance. CONSTITUTION: A resin comprises 100 parts by weight of a polypropylene resin, 0.05 to 0.3 parts by weight of an organic metal-based nucleating agent and 0.1 to 0.5 parts by weight of an inorganic-based nucleating agent. The polypropylene resin is a highly stereo regular polypropylene polymer having a molecular weight dispersion of 7 to 12 (as measured by a gel permeation chromatography) and a melt index of 10 to 70g/10min(230°C). The resin composition is suitable for use in automobile parts or home electric appliances.
    • 目的:提供包含高立体规则聚烯烃树脂和成核剂的聚丙烯树脂,其流动性,耐热性,机械强度和表面硬度优异,并且具有很强的耐擦伤性。 构成:树脂包含100重量份的聚丙烯树脂,0.05至0.3重量份的有机金属基成核剂和0.1至0.5重量份的无机基成核剂。 聚丙烯树脂是分子量分数为7〜12(通过凝胶渗透色谱法测定),熔体指数为10〜70g / 10min(230℃)的高度立体规则的聚丙烯。 该树脂组合物适用于汽车部件或家用电器。