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    • 3. 发明公开
    • 화염 전처리 도장시 도장부착력이 우수한 자동차 범퍼커버용 폴리프로필렌 수지 조성물
    • 聚丙烯树脂组合物,包含结晶聚丙烯树脂,乙烯-α-烯烃共聚物橡胶,无机填充材料和有机过氧化物
    • KR1020050010216A
    • 2005-01-27
    • KR1020030049222
    • 2003-07-18
    • 롯데케미칼 주식회사주식회사 프라코
    • 조성민최현민김정수이석우이영진
    • C08L23/14C08L23/16C08K3/34C08K5/14
    • PURPOSE: Provided is a polypropylene resin composition for a car bumper cover, which shows excellent coating adhesion in flame plasma pretreatment painting system with no use of CPP primers. CONSTITUTION: The polypropylene resin composition for a car bumper cover comprises (a) 50-80 parts by weight of a crystalline polypropylene resin having a melt index of 20-80 g/10min(230deg.C), which is a homopolymer of propylene or binary copolymer of propylene and ethylene; (b) 10-30 parts by weight of low Mooney ethylene-alpha-olefin copolymer rubber having a Mooney viscosity(ML 1+4, 100deg.C) of 4-9; (c) 10-20 parts by weight of talc as an inorganic filling material; and (d) 0.1-0.5 PHR of an organic peroxide having a half-life(10 hours) of 140deg.C or more, based on 100 parts by weight of (a+b+c).
    • 目的:提供一种用于汽车保险杠盖的聚丙烯树脂组合物,其在不使用CPP底漆的火焰等离子体预处理涂装系统中表现出优异的涂层粘附性。 构成:用于汽车保险杠盖的聚丙烯树脂组合物包含(a)50-80重量份熔体指数为20-80g / 10min(230℃)的结晶聚丙烯树脂,其为丙烯均聚物或 丙烯和乙烯的二元共聚物; (b)10-30重量份门尼粘度(ML 1 + 4,100℃)为4-9的低门尼乙烯-α-烯烃共聚物橡胶; (c)10-20重量份作为无机填充材料的滑石; 和(d)基于100重量份的(a + b + c),半衰期(10小时)为140℃以上的有机过氧化物的0.1-0.5PHR。
    • 5. 发明授权
    • 고함량 나노클레이 마스터배치 제조 및 이를 이용한 고강성폴리프로필렌/나노클레이 복합재 제조
    • 高强度聚丙烯/纳米复合材料的制备使用高分子纳米管主板
    • KR100872859B1
    • 2008-12-10
    • KR1020070122524
    • 2007-11-29
    • 롯데케미칼 주식회사
    • 고성록남병국최창휴김정수
    • C08L23/12C08J3/22B82Y40/00
    • A nanoclay masterbatch composition, and a high rigidity polypropylene/nanoclay composite using the composition are provided to induce a sufficient dispersion of nanoclay and to increase flexural modulus, flexural strength and tensile strength without the decrease of heat distortion temperature. A nanoclay masterbatch composition comprises 20~70 wt% of a polypropylene resin; 40~50 wt% of a nanoclay; and 10~40 wt% of a modified polymer, wherein the modified polymer has a weight average molecular weight of 30,000~100,000 and is a maleic anhydride graft polypropylene resin containing 4-8 weight part of maleic anhydride based on 100 parts by weight a polypropylene resin, and the masterbatch has a flexural modulus of 30,000~50,500 kg/cm^2 and a heat distortion temperature of 100~140 ‹C.
    • 提供纳米粘土母料组合物和使用该组合物的高刚性聚丙烯/纳米粘土复合材料以诱导纳米粘土的充分分散,并增加弯曲模量,弯曲强度和拉伸强度,而不会降低热变形温度。 纳米粘土母料组合物包含20〜70重量%的聚丙烯树脂; 40〜50wt%的纳米粘土; 和10〜40重量%的改性聚合物,其中改性聚合物的重均分子量为30,000〜100,000,是含有4-8重量份马来酸酐的马来酸酐接枝聚丙烯树脂,基于100重量份聚丙烯 树脂,母料的挠曲模量为30,000〜50,500 kg / cm ^ 2,热变形温度为100〜140℃。
    • 9. 发明公开
    • 내충격성보강용무정형폴리프로필렌계수지조성물
    • 用于抗冲击强化的非晶聚丙烯树脂组合物
    • KR1020000025221A
    • 2000-05-06
    • KR1019980042211
    • 1998-10-09
    • 롯데케미칼 주식회사
    • 조성민이승욱황진구김정수
    • C08L23/10C08K3/00
    • C08L23/10C08K3/013C08L2205/025
    • PURPOSE: An amorphous polypropylene resin composition for impact resistance reinforcement mixed with crystalline polypropylene and inorganic fillers is provided which improves formability and productivity. CONSTITUTION: A specified amount of crystalline polypropylene and inorganic fillers is mixed with amorphous polypropylene which is added as a modifier for reinforcing the flexibility and impact resistance of a polypropylene resin composition such that the composition has not only flexibility at ordinary temperatures and high impact resistance at ordinary and low temperatures, but also excellent formability and productivity in the case of incorporating in a molding composition. The composition can be used for a base material of injection moldings such as wrapping films, sheets, automobile parts, electric product parts, electronic product parts, and toys or blending with a resin composition comprising a material of the injection moldings and a substitute for polyvinylchloride and low density polyethylene of a jacket for communication cables, a fiber and a tape.
    • 目的:提供与结晶聚丙烯和无机填料混合的抗冲击强化的无定形聚丙烯树脂组合物,其提高成形性和生产率。 构成:将特定量的结晶聚丙烯和无机填料与无定形聚丙烯混合,其被加入作为改性剂以增强聚丙烯树脂组合物的柔韧性和耐冲击性,使得该组合物不仅具有常温下的柔性和高抗冲击性 普通和低温,而且在结合成型组合物的情况下也具有优异的成形性和生产率。 该组合物可用于诸如包装膜,片材,汽车部件,电子产品部件,电子产品部件和玩具等注射成型品的基材,或者与包含注射成型品的材料和聚氯乙烯替代物的树脂组合物混合 和用于通信电缆的护套的低密度聚乙烯,纤维和带。