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    • 1. 发明授权
    • Olefin polymerization catalyst system
    • 烯烃聚合催化剂体系
    • US6063725A
    • 2000-05-16
    • US743374
    • 1996-11-04
    • Tadahiro SunagaYukio IshiiTadashi Asanuma
    • Tadahiro SunagaYukio IshiiTadashi Asanuma
    • C08F4/02C08F4/602C08F4/642C08F4/659C08F4/6592C08F10/00C08F110/06B01J31/00
    • C08F10/00C08F110/06C08F4/65912C08F4/65916C08F4/65922
    • An olefin polymerization catalyst system comprising an organic transition metal compound and a support, wherein an organic transition metal compound is soluble in an inert organic solvent and a support which is insoluble in the inert organic solvent, and the support comprises an organic high molecular weight compound which contains a specific carbonyl-containing group. The catalyst system can polymerize an olefin in a high activity, provides polymer with high stereoregularity, prevents adhesion or fouling of the polymer generated in the course of polymerization or an organic aluminum oxy compound on the inner wall of the reactor, leads to high bulk density of the polymer and very reduced level of fisheye and/or gel generation on the processed item, can maintain high productivity, can manufacture high quality product, and thus provides extremely high contribution in industry.
    • 一种包含有机过渡金属化合物和载体的烯烃聚合催化剂体系,其中有机过渡金属化合物可溶于惰性有机溶剂和不溶于惰性有机溶剂的载体,载体包含有机高分子量化合物 其含有特定的含羰基。 催化剂体系可以以高活性聚合烯烃,提供具有高立构规整性的聚合物,防止在聚合过程中产生的聚合物的粘附或结垢或反应器内壁上的有机铝氧化合物导致高堆积密度 的聚合物,并且处理物品上的鱼眼和/或凝胶生成水平非常降低,可以保持高生产率,可以制造高品质的产品,从而在工业中提供极高的贡献。
    • 3. 发明授权
    • Buffered optical fiber and manufacturing method thereof
    • 缓冲光纤及其制造方法
    • US07539383B2
    • 2009-05-26
    • US12021701
    • 2008-01-29
    • Akira SendaiKazuhisa KashiharaYukio IshiiTomoaki Gonohe
    • Akira SendaiKazuhisa KashiharaYukio IshiiTomoaki Gonohe
    • G02B6/02G02B6/44
    • G02B6/443C03C25/1065G02B6/02395
    • A buffered optical fiber having an excellent pistoning characteristic compared with a conventional one and a manufacturing method thereof are provided. The buffered optical fiber of the present invention is composed of an optical fiber with a primary coating layer and a secondary coating layer provided on a circumference of a glass optical fiber and a tertiary coating layer having thermoplastic polyester elastomer as the main ingredient provided on a circumference of the optical fiber and is characterized in that an outer diameter of the primary coating layer is 180 to 200 μm, an outer diameter of the secondary coating layer is 350 to 450 μm and the product of a thickness of the secondary coating layer of the optical fiber and a force of pulling out the glass optical fiber from the optical fiber is 720 N/mm·μm or more.
    • 提供了一种与传统的活塞特性相比具有优异活性的缓冲光纤及其制造方法。 本发明的缓冲光纤由具有初级涂层的光纤和设置在玻璃光纤的圆周上的第二涂层和在周围设置有热塑性聚酯弹性体作为主要成分的第三涂层组成 的特征在于,一次被覆层的外径为180〜200μm,二次被覆层的外径为350〜450μm,并且所述第二被覆层的第二被覆层的厚度的乘积 纤维和从光纤拉出玻璃光纤的力为720N / mm.mum以上。
    • 5. 发明授权
    • Method for controlling an ejector and injection molding machine
    • 喷射器和注射成型机的控制方法
    • US5599486A
    • 1997-02-04
    • US399584
    • 1995-03-07
    • Atsushi FujishiroYukio IshiiHitoshi Hara
    • Atsushi FujishiroYukio IshiiHitoshi Hara
    • B29C45/40B29C45/76
    • B29C45/4005B29C45/7626
    • A method for ejecting a molded product from a die. The method includes advancing an ejector pin from a withdrawn position to a projected position for ejecting a molded product and withdrawing the ejector pin from the projected position to the withdrawn position. At a preset range in at least one of the advancing step and the withdrawing step, the ejector pin undergoes very small reciprocating movements having a period less than 0.1 seconds. When the ejector pin is advanced while very small reciprocation is performed over a preset range in the advancing step, energy due to the projection of the ejector pin is continuously and gradually dissipated. When the ejector pin is withdrawn while very small reciprocation is performed over a preset range in the withdrawing step, the molded product is easily separated from the ejector pin. Accordingly, scattering of molded products and generation of cracks in the molded products can be prevented. Also, the molded product is prevented from being placed back into the cavity. Further, a dwell step may be provided in which the ejector pin is maintained at its projected position while being subjected to very small reciprocation having a period shorter than 0.1 seconds.
    • 一种从模具中喷射成型品的方法。 该方法包括将推出销从撤回位置推进到用于弹出模制产品的突出位置,并将顶针从突出位置撤回到撤回位置。 在前进步骤和退出步骤中的至少一个中的预设范围内,顶针经历非常小的往复运动,其周期小于0.1秒。 当在前进步骤中在预定范围内执行非常小的往复运动时,顶推销前进,由于顶针的投影引起的能量不断地逐渐消散。 当在退避步骤中在预设范围内进行非常小的往复运动时,顶出销被拉出,模制产品容易与顶针分离。 因此,可以防止模制品的散射和模制产品中的裂纹的产生。 此外,防止模制产品被放回到空腔中。 此外,可以提供停留步骤,其中顶针保持在其突出位置,同时经受小于0.1秒的非常小的往复运动。
    • 10. 发明申请
    • FOAMING POLYPROPYLENE RESIN COMPOSITION AND MOLDED FOAM USING THE SAME
    • 发泡聚丙烯树脂组合物和使用它的模塑泡沫
    • US20110206922A1
    • 2011-08-25
    • US13123360
    • 2009-10-28
    • Tatsuji KawamuraKoki HiranoYukio Ishii
    • Tatsuji KawamuraKoki HiranoYukio Ishii
    • B32B3/26C08J9/04C08L23/14
    • C08J9/0061B29C44/04B29C44/352B29C44/586B29K2023/12B29L2031/30C08J2323/12C08J2421/00C08L23/0815C08L23/10C08L23/12C08L23/142C08L2203/14C08L2205/02C08L2205/025C08L2205/03Y10T428/249981
    • An object of the invention is to provide foaming polypropylene resin compositions that are suited for injection foam molding, have excellent balance between flowability and melt tension, are foamable at high expansion ratio, and can give lightweight molded foams having excellent appearance and mechanical strength. Another object is to provide injection-molded foams using the compositions.A foaming polypropylene resin composition of the invention includes: 50 to 90 parts by weight of a high-molecular weight component-containing impact polypropylene (AB); 10 to 30 parts by weight of a rubber component (C); and 0 to 20 parts by weight of an inorganic filler (D) (wherein the total of (AB), (C) and (D) is 100 parts by weight); and the high-molecular weight component-containing impact polypropylene (AB) contains 4.5 to 31.0 wt % of a propylene/ethylene copolymer that is identified as a normal temperature paraxylene soluble component, and the high-molecular weight component-containing impact polypropylene (AB) contains 0.2 to 3.7 wt % of a propylene polymer component having an intrinsic viscosity [η] at 135° C. in tetralin of 13.5 to 20.0 dl/g.
    • 本发明的目的是提供适用于注射发泡成型的发泡性聚丙烯树脂组合物,其流动性和熔融张力之间具有优异的平衡性,在高膨胀率下是可发泡的,并且可以提供具有优异外观和机械强度的轻质模制泡沫。 另一个目的是提供使用该组合物的注射成型泡沫。 本发明的发泡聚丙烯树脂组合物包括:含有高分子量组分的抗冲聚丙烯(AB)50至90重量份; 10〜30重量份的橡胶组分(C); 和0〜20重量份的无机填料(D)(其中(AB),(C)和(D)的总和为100重量份)。 含有高分子成分的抗冲聚丙烯(AB)含有4.5〜31.0重量%的作为常温对二甲苯可溶成分的丙烯/乙烯共聚物,含有高分子成分的冲击性聚丙烯(AB )含有0.2至3.7重量%的在135℃下在四氢萘中的特性粘度[η]为13.5至20.0分升/克的丙烯聚合物组分。