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    • 2. 发明授权
    • 내스크래치성이 향상된 열가소성 나노복합체 수지 조성물
    • 具有改进的耐蚀性的热塑性纳米复合树脂组合物
    • KR100762298B1
    • 2007-10-04
    • KR1020060138133
    • 2006-12-29
    • 제일모직주식회사
    • 권기혜김일진문형랑박재범공성호
    • C08K3/10C08K5/5415C08L101/00B82Y30/00
    • C08K9/06
    • A thermoplastic nanocomposite resin composition is provided to improve scratch resistance while maintaining good physical properties including processability, impact resistance and heat resistance, and to reduce the amount of inorganic fillers. A thermoplastic nanocomposite resin composition having improved scratch resistance comprises: (A) 100 parts by weight of a thermoplastic resin; and (B) 0.1-50 parts by weight of metal (oxide) nanoparticles surface-demineralized with a silane-based compound. The thermoplastic resin is selected from the group consisting of polycarbonate, polyolefin, polyvinyl chloride, polyphenylene ether, polyphenylene sulfide, polyester, polyamide, (meth)acrylate polymer, aromatic vinyl compound copolymer resin, rubber-modified aromatic vinyl graft copolymer resin, aromatic vinyl compound-vinyl cyanide compound copolymer resin and a mixture thereof.
    • 提供热塑性纳米复合树脂组合物以改善耐刮擦性,同时保持包括加工性,耐冲击性和耐热性在内的良好的物理性能,并减少无机填料的量。 具有改善耐刮擦性的热塑性纳米复合材料树脂组合物包括:(A)100重量份的热塑性树脂; 和(B)0.1-30重量份用硅烷类化合物表面去矿化的金属(氧化物)纳米颗粒。 热塑性树脂选自聚碳酸酯,聚烯烃,聚氯乙烯,聚苯醚,聚苯硫醚,聚酯,聚酰胺,(甲基)丙烯酸酯聚合物,芳族乙烯基化合物共聚物树脂,橡胶改性芳族乙烯基接枝共聚物树脂,芳族乙烯基 化合物 - 乙烯基氰化合物共聚物树脂及其混合物。
    • 5. 发明授权
    • 외관 및 백색도가 우수한 높은 고무함량을 갖는 SAN그라프트 공중합체 수지의 제조방법
    • SAN相关资料외관및백색도가우수한높은고무함량을갖을갖는을갖갖SAN SAN SAN SAN SAN SAN SAN SAN SAN SAN SAN SAN SAN SAN SAN SAN SAN SAN
    • KR100455101B1
    • 2004-11-06
    • KR1020010073352
    • 2001-11-23
    • 제일모직주식회사
    • 박재범하두한임용환김경수
    • C08F279/04
    • PURPOSE: A process for preparing a SAN(acrylonitrile-butadiene-styrene) graft copolymer of core-shell structure having excellent appearance and whiteness and high rubber content is provided. CONSTITUTION: The process for preparing a SAN graft copolymer comprises the steps of: introducing ion exchanged water into which a water soluble initiator is dissolved, and an emulsifier into a polybutadiene elastomeric polymer having an average particle diameter of 0.28 to 0.33 micrometers and gel content of 75 to 85 wt%; heating the mixture to 55 to 65 deg.C in order to swell the water soluble initiator into the elastomeric polymer and in order to decompose to form a radical gradually; introducing continuously an aromatic vinyl compound and an unsaturated nitrile compound which are the monomers to be grafted onto the elastomeric polymer, an emulsifier and a molecular weight modifier; heating the mixture to the final temperature of 75 to 85 deg.C and terminating the polymerization when the conversion is 95 to 98% and solid content is 40 to 44 wt% to obtain a SAN graft copolymer latex; and then introducing a solidifying agent consisting of an aqueous acid solution and aqueous salt solution to solidify the SAN graft copolymer resin.
    • 目的:提供一种制备具有优异外观和白度以及高橡胶含量的核 - 壳结构的SAN(丙烯腈 - 丁二烯 - 苯乙烯)接枝共聚物的方法。 构成:用于制备SAN接枝共聚物的方法包括以下步骤:将溶解有水溶性引发剂的离子交换水和乳化剂引入平均粒径为0.28-0.33微米的聚丁二烯弹性体聚合物中, 75至85重量%; 加热混合物至55-65℃以使水溶性引发剂溶胀到弹性体聚合物中并逐渐分解形成自由基; 将作为待接枝单体的芳族乙烯基化合物和不饱和腈化合物连续引入弹性体聚合物,乳化剂和分子量调节剂; 加热至75〜85℃的最终温度,当转化率为95〜98%,固含量为40〜44wt%时,终止聚合,得到SAN接枝共聚物胶乳; 然后引入由酸水溶液和盐水溶液组成的固化剂以固化SAN接枝共聚物树脂。
    • 6. 发明授权
    • 내후성과 내충격성이 향상된 열가소성 수지 조성물 및 그제조방법
    • 我的名字我的名字
    • KR100469865B1
    • 2005-02-02
    • KR1020010086184
    • 2001-12-27
    • 제일모직주식회사
    • 하두한박재범나희석
    • C08F279/04
    • PURPOSE: A thermoplastic resin composition and its preparation method are provided, to improve the weather resistance and the impact resistance by employing a graft copolymer containing two different kinds of rubbery polymers. CONSTITUTION: The method comprises the steps of adding a graft monomer mixture of an aromatic vinyl monomer and an unsaturated nitrile monomer in the presence of an acryl-based rubber latex having a gel content of 85-96 wt% and an average particle diameter of 0.12-0.23 micrometers, adding an emulsifier, a polymerization initiator and an ion exchange water with stirring, heating the mixture with stirring to 50-65 deg.C, stirring the mixture for 10-30 min, and adding an oxidation-reduction catalyst at 60-80 deg.C to prepare a first graft latex until the conversion rate reaches 95 % or more; adding a butadiene-based rubbery polymer latex having a gel content of 60-80 wt% and an average particle diameter of 0.30-0.40 micrometers and a graft monomer mixture in the presence of the obtained first graft latex, increasing the temperature to 50-65 deg.C, adding a molecular weight controlling agent, stirring the mixture for 10-30 min, and adding a polymerization initiator at 60-80 deg.C to prepare a second graft latex until the conversion rate reaches 95 % or more; and continuously adding a graft monomer, a molecular weight controlling agent and a polymerization initiator for 2-4 hours at 65-80 deg.C to prepare a resin composition having the final polymerization conversion rate of 94-98 % and a solid content of 39-43 wt%.
    • 目的:提供一种热塑性树脂组合物及其制备方法,通过采用含有两种不同橡胶状聚合物的接枝共聚物来改善耐候性和耐冲击性。 组成:该方法包括在凝胶含量为85-96wt%,平均粒径为0.12的丙烯酰基橡胶胶乳存在下加入芳族乙烯基单体和不饱和腈单体的接枝单体混合物 -0.23微米,搅拌下加入乳化剂,聚合引发剂和离子交换水,搅拌下加热至50-65℃,搅拌10-30分钟,在60℃下加入氧化还原催化剂 制备第一接枝胶乳直至转化率达到95%或更高; 在所得第一接枝胶乳存在下,添加凝胶含量为60-80重量%且平均粒径为0.30-0.40微米的丁二烯基橡胶状聚合物胶乳和接枝单体混合物,将温度升高至50-65℃ 加入分子量控制剂,搅拌10-30分钟,加入60-80℃的聚合引发剂,制备第二接枝胶乳,直至转化率达到95%以上; 在65-80℃下连续加入接枝单体,分子量控制剂和聚合引发剂2-4小时,以制备最终聚合转化率为94-98%且固体含量为39的树脂组合物 -43重量%。
    • 7. 发明公开
    • 폴리스티렌계 충격보강제의 제조방법
    • 基于聚苯乙烯的冲击改性剂的制备方法
    • KR1020040057046A
    • 2004-07-02
    • KR1020020080630
    • 2002-12-17
    • 제일모직주식회사
    • 박재범하두한
    • C08F253/00
    • C08F236/10C08F2/24C08F2/38
    • PURPOSE: A method for preparing a polystyrene-based impact modifier and a thermoplastic polystyrene resin containing the impact modifier prepared by the method are provided, to improve the impact strength of an impact modifier without deterioration of the fluidity and gloss of final products. CONSTITUTION: The method comprises the steps of injecting a styrene-based monomer and 30-60 parts by weight of a butadiene rubbery latex having an average diameter of 0.28-0.33 micrometers and a gel content of 75-85 % to a reactor, injecting a molecular weight controller, an emulsifier and an ion exchange water to the reactor, heating the reactor with stirring, and injecting an oil-soluble polymerization initiator to prepare a first graft copolymer latex by polymerizing them until a polymerization conversion rate reaches 93% or more; and injecting a redox-based initiator, a styrene-based monomer and a molecular weight controller to the reactor continuously over 2-5 hours in the presence of the first graft copolymer latex to prepare a second graft copolymer latex.
    • 目的:提供一种制备聚苯乙烯类抗冲击改性剂和含有通过该方法制备的抗冲改性剂的热塑性聚苯乙烯树脂的方法,以改善抗冲改性剂的冲击强度,而不会降低最终产品的流动性和光泽。 方法:该方法包括以下步骤:向反应器注入苯乙烯基单体和30-60重量份平均直径为0.28-0.33微米,凝胶含量为75-85%的丁二烯橡胶胶乳,注入 分子量控制器,乳化剂和离子交换水加入到反应器中,在搅拌下加热反应器,注入油溶性聚合引发剂以通过聚合反应制备第一接枝共聚物胶乳直至聚合转化率达到93%以上; 在第一接枝共聚物胶乳存在下,在2-5小时内连续注入氧化还原型引发剂,苯乙烯类单体和分子量控制剂,制备第二接枝共聚物胶乳。
    • 8. 发明公开
    • 아크릴로니트릴-부타디엔-스티렌 그라프트 공중합체의제조방법
    • 丙烯酰基 - 丁二烯共聚物的制备方法
    • KR1020030056087A
    • 2003-07-04
    • KR1020010086247
    • 2001-12-27
    • 제일모직주식회사
    • 하두한박재범나희석
    • C08F279/04
    • C08F279/04C08F2/38
    • PURPOSE: A method for preparing an acrylonitrile-butadiene-styrene (ABS) graft copolymer is provided, to improve the impact resistance and the fluidity of an ABS resin by optimizing a rubber content, a particle size of rubber, a degree of grafting and an acrylonitrile content. CONSTITUTION: The method comprises the steps of injecting 50-70 parts by weight of a rubbery polymer latex having an average particle diameter of 0.28-0.35 micrometers and a gel content of 75-85 %, and 10-40 wt% of 50-30 parts by weight of a graft monomer mixture comprising styrene and acrylonitrile, injecting a molecular weight controlling agent, a reducing agent, an emulsifier and an ion exchange water with stirring and heating the reactor, and adding a catalyst mixture to the reactor to prepare a first graft copolymer latex until the polymerization conversion rate reaches 90-96 %; and adding the remaining graft monomer mixture and a molecular weight controlling agent to the obtained graft copolymer latex, and continuously adding a polymerization initiator for 2-5 hours to prepare a second graft copolymer latex. Preferably the reducing agent is dextrose.
    • 目的:提供一种制备丙烯腈 - 丁二烯 - 苯乙烯(ABS)接枝共聚物的方法,通过优化橡胶含量,橡胶的粒度,接枝度和接枝共聚物的形式,提高ABS树脂的耐冲击性和流动性 丙烯腈含量。 方案:该方法包括以下步骤:注入50-70重量份平均粒径为0.28-0.35微米,凝胶含量为75-85%的橡胶状聚合物胶乳和50-40重量%的50-30重量% 重量的包含苯乙烯和丙烯腈的接枝单体混合物,在搅拌和加热反应器的同时注入分子量控制剂,还原剂,乳化剂和离子交换水,并向反应器中加入催化剂混合物以制备第一 接枝共聚物胶乳直至聚合转化率达到90-96%; 并将剩余的接枝单体混合物和分子量控制剂加入到所获得的接枝共聚物胶乳中,并连续加入聚合引发剂2-5小时以制备第二接枝共聚物胶乳。 优选地,还原剂是葡萄糖。
    • 9. 发明公开
    • 난연 특성 나노입자 및 그의 제조방법
    • 具有阻燃性的纳米颗粒及其制备方法
    • KR1020080112840A
    • 2008-12-26
    • KR1020070061787
    • 2007-06-22
    • 제일모직주식회사
    • 문형랑김일진권기혜박재범공성호
    • C09K21/04B82B3/00B82Y40/00
    • Nanoparticles having flame retardancy and a preparation method thereof are provided to ensure excellent fire retardancy while maintaining the stabilized property of resin. Nanoparticles having flame retardancy has a structure that a phosphorus compound is chemically bonded on the surface of nano particles by reacting (A) colloidal nano particles having -OH on the surface and (B) a phosphorus compound having at least one functional group capable of being chemically bonded with the -OH group. The average particle diameter of the colloidal nano particles(A) is 1~300 nm, the surface area is 1~1000 m^2 / g, the number of -OH of the particle surface is 101~107 per a particle and pH is 1~12.
    • 提供具有阻燃性的纳米颗粒及其制备方法,以确保优异的阻燃性,同时保持树脂的稳定性。 具有阻燃性的纳米粒子具有磷化合物通过使(A)表面具有-OH的胶态纳米粒子与(B)具有至少一个官能团的磷化合物反应而在纳米粒子表面化学键合的结构 与-OH基团化学键合。 胶体纳米粒子(A)的平均粒径为1〜300nm,表面积为1〜1000m 2 / g,粒子表面的-OH数为101〜107,pH为 1〜12。