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    • 4. 发明申请
    • IMPACT STRENGTH MODIFIERS FOR THERMOPLASTIC POLYESTER AND THERMOPLASTIC POLYESTER RESIN COMPOSITION CONTAINING THE SAME
    • 用于热塑性聚酯和含有该组合物的热塑性聚酯树脂组合物的冲击强度改性剂
    • WO2009091124A2
    • 2009-07-23
    • PCT/KR2008/007646
    • 2008-12-24
    • LG CHEM, LTD.KIM, Yoon-HoKIM, Geon-SooNAM, Sang-Il
    • KIM, Yoon-HoKIM, Geon-SooNAM, Sang-Il
    • C08L55/00
    • C08F285/00C08L51/04C08L67/02Y10T428/25C08F212/08C08F220/18C08L2666/24
    • The present invention relates to an impact strength modifier for thermoplastic polyester resin and a thermoplastic polyester resin composition containing the same, more precisely an impact strength modifier for thermoplastic polyester resin prepared by graft-polymerization of a) 20-80 weight % of multilayered rubber latex in which the ratio of particle diameter (P b /P a ) of an inner layer (P a ) to outer layer is 1.05-1.5, and glass transition temperature of the inner layer or the outer layer is up to -30 °C; and b) 20-80 weight % of vinyl monomer. According to the present invention, a thermoplastic polyester resin composition having excellent transparency and improved impact strength can be provided by containing an impact strength modifier for thermoplastic polyester resin having multilayered structure in which content of rubber latex, glass transition temperature, particle diameter and refraction index are regulated.
    • 本发明涉及一种用于热塑性聚酯树脂的冲击强度改性剂和含有该改性剂的热塑性聚酯树脂组合物,更准确地说,涉及一种用于热塑性聚酯树脂的冲击强度改性剂, -80重量%的多层橡胶胶乳,其中内层(P sub-1)的粒径(P b / P a a) )为1.05-1.5,内层或外层的玻璃化转变温度高达-30℃; 和b)20-80重量%的乙烯基单体。 根据本发明,通过含有具有多层结构的热塑性聚酯树脂的冲击强度改性剂,可以提供具有优异的透明性和改善的冲击强度的热塑性聚酯树脂组合物,其中橡胶胶乳的含量,玻璃化转变温度,粒径和折射率 受到监管。
    • 10. 发明申请
    • JIG FOR WINSTON CONE BAFFLE MACHINING
    • WO2012091285A3
    • 2012-08-23
    • PCT/KR2011008650
    • 2011-11-14
    • KOREA BASIC SCIENCE INSTYANG SUN CHOELCHANG KI SOOKIM GEON HEEKIM MYENG SANGLEE SANG YONG
    • YANG SUN CHOELCHANG KI SOOKIM GEON HEEKIM MYENG SANGLEE SANG YONG
    • B25B11/00B23Q3/06B26D7/01
    • B23Q3/065B23B31/021B23B2215/64B23B2240/21B23Q3/062B26D7/01Y10T83/7487
    • The present invention relates to a jig for processing the inner surface of an aluminum alloy Winston cone baffle having the thickness of a sheet through an ultra-precision machining, the jig having a shape identically corresponding to the outer shape of a Winston cone baffle having a can body shape made up of compound parabolic, and divided into an upper plate jig and a lower plate jig in formation, wherein the upper plate jig is divided in two, a left side jig and a right side jig, which are formed to correspond in shape and size so as to enable isolation or coupling to/from each other, and the inner surface of the Winston cone baffle attached inside the upper plate jig is made to enable ultra-precision machining at the cutting speed of 220m/min - 300m/min, which enables the inner surface of the Winston cone baffle to process a slickenside having approximately 4nm of surface roughness, and in particular, ultra-precision machining at surface roughness of Ra=2.32nm in a processing condition of cutting speed at 260m/min, cutting depth at 4 micrometer, and feeding speed at 1mm/min, thereby enabling formation of a Winston cone baffle through low-cost ultra-precision machining.
    • 本发明涉及一种用于通过超精密加工来加工具有片材厚度的铝合金温斯顿锥形挡板的内表面的夹具,该夹具的形状与温斯顿锥形挡板的外形相同 罐体形状由复合抛物面构成,并且被分成上板夹具和下板夹具,其中上板夹具被分成两部分,即左侧夹具和右侧夹具, 形状和尺寸,以实现彼此之间的隔离或耦合,并且安装在上板夹具内的Winston锥形挡板的内表面能够以220m / min至300m / min的切割速度进行超精密加工, min,这使得Winston锥形挡板的内表面能够处理具有大约4nm表面粗糙度的光滑剂,并且特别是在加工条件下Ra = 2.32nm的表面粗糙度的超精密加工 切削速度为260m / min,切削深度为4μm,进给速度为1mm / min,从而可以通过低成本的超精密加工形成Winston锥形挡板。