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    • 1. 发明授权
    • Polyester resin and molded article
    • 聚酯树脂和成型品
    • US06447859B2
    • 2002-09-10
    • US09879100
    • 2001-06-13
    • Dai OguroKoji YamamotoTakeo HayashiTakeshi HirokaneMasahiro Kurokawa
    • Dai OguroKoji YamamotoTakeo HayashiTakeshi HirokaneMasahiro Kurokawa
    • B29D2200
    • C08J9/141C08G63/672C08J2201/03C08J2367/02Y10T428/1352Y10T428/1376Y10T428/24
    • The polyester resin of the present invention is produced by polymerizing a monomer mixture comprising a glycol component containing 5 to 60 mol % of a spiroglycol represented by Formula I: and 30 to 95 mol % of ethylene glycol, and a dicarboxylic acid component containing 80 to 100 mol % of terephthalic acid and/or an ester thereof. The polyester resin has (1): an intrinsic viscosity of 0.4 to 1.5 dL/g, (2) a melt viscosity of 700 to 5,000 Pa·s, (3) a molecular weight distribution of 2.5 to 12.0; and (4) a glass transition temperature of 90° C. or higher and a cooling crystallization exotherm peak of 5 J/g or lower. The polyester resin of the present invention is excellent in heat resistance, transparency, mechanical properties, moldability and fabrication qualities and useful for producing shaped articles such as films, sheets, hollow containers and foamed products.
    • 本发明的聚酯树脂通过使包含含有5〜60摩尔%的式I所示的螺旋糖的二醇成分和30〜95摩尔%的乙二醇的二醇成分和含有80〜 100摩尔%的对苯二甲酸和/或其酯。 聚酯树脂具有(1):特性粘度为0.4〜1.5dL / g,(2)熔融粘度为700〜5000Pa·s,(3)分子量分布为2.5〜12.0; 和(4)玻璃化转变温度为90℃以上,冷却结晶放热峰为5J / g以下。 本发明的聚酯树脂的耐热性,透明性,机械性能,成型性和制造性能优异,可用于制造薄膜,片材,中空容器和发泡产品等成型制品。
    • 3. 发明授权
    • Polyester based resin composition and molded product therefrom
    • 聚酯类树脂组合物及其成型品
    • US06740376B2
    • 2004-05-25
    • US10153619
    • 2002-05-24
    • Dai OguroTakeo HayashiTakeshi HirokaneMasahiro Kurokawa
    • Dai OguroTakeo HayashiTakeshi HirokaneMasahiro Kurokawa
    • C08I7700
    • C08L77/02C08L67/02C08L67/025C08L77/00C08L77/06Y10T428/1352C08L2666/14C08L2666/18C08L67/00
    • There is disclosed A polyester based resin composition (D) which comprises a polyamide resin (A) and a polyester resin (B), or a polyamide resin (A), a polyester resin (B) and a polyethylene terephthalate resin (C), characterized in that the polyester resin (B) is obtained by polycondensation of a dicarboxylic acid component containing 0.5 to 60 mol % of a dicarboxylic acid having a cyclic acetal skeleton and/or a diol component containing 0.5 to 60 mol % of a diol having a cyclic acetal skeleton, and that the blending proportions of the polyamide resin (A), the polyester resin (B) and the polyethylene terephthalate resin (C) are each in the range of 1 to 99% by weight, 1 to 99% by weight and 0 to 98% by weight, respectively on the basis of total sum weight of the components (A), (B) and (C). There is further disclosed a molded product (film, sheet, thin wall hollow container, etc.). The above polyester based resin composition and a product molded therefrom are each excellent in transparency color tone, gas barrier properties, pinhole resistance and mechanical performance.
    • 公开了包含聚酰胺树脂(A)和聚酯树脂(B)或聚酰胺树脂(A),聚酯树脂(B)和聚对苯二甲酸乙二醇酯树脂(C)的聚酯类树脂组合物(D) 其特征在于,所述聚酯树脂(B)通过含有0.5〜60摩尔%的具有环状缩醛骨架的二羧酸的二羧酸成分和/或含有0.5〜60摩尔%的二醇的二醇的缩聚得到,所述二醇具有 环状缩醛骨架,聚酰胺树脂(A),聚酯树脂(B)和聚对苯二甲酸乙二醇酯树脂(C)的配合比例分别为1〜99重量%,1〜99重量% (A),(B)和(C)的总和重量分别为0〜98重量%。 进一步公开了成型品(膜,片,薄壁中空容器等)。 上述聚酯类树脂组合物和由其模塑的产品具有优异的透明色调,阻气性,针孔性和机械性能。
    • 5. 发明授权
    • Polyamide resin composition
    • 聚酰胺树脂组合物
    • US06444739B1
    • 2002-09-03
    • US09933109
    • 2001-08-21
    • Koji YamamotoTakeo HayashiTakahiro Takano
    • Koji YamamotoTakeo HayashiTakahiro Takano
    • C08L7700
    • C08K3/34C08G69/26C08G69/265C08K5/0083C08L77/06
    • The polyamide resin composition comprises a copolyamide resin, a nucleating agent for crystallization, and optionally an inorganic filler. The copolyamide resin is produced by polycondensing a carboxylic acid component mainly comprising adipic acid with a diamine component containing trans-1,4-bis(aminomethyl)cyclohexane, cis- 1,4-bis(aminomethyl)cyclohexane, and optionally another diamine. The nucleating agent for crystallization is selected from an organic nucleating agent and an inorganic nucleating agent. The polyamide resin composition exhibits a good molding cycle and provides a shaped article excellent in the retention of rigidity at a high temperature condition, the durability under a high temperature condition, and the retention of mechanical properties after water-absorption. Therefore, the polyamide resin composition is useful as a metal replacement in various applications such as automobile parts, mechanical parts and electric or electronic parts.
    • 聚酰胺树脂组合物包括共聚酰胺树脂,用于结晶的成核剂和任选的无机填料。 通过将主要包含己二酸的羧酸组分与含有反式-1,4-双(氨基甲基)环己烷,顺式-1,4-双(氨基甲基)环己烷和任选另外的二胺的二胺组分缩聚制备共聚酰胺树脂。 用于结晶的成核剂选自有机成核剂和无机成核剂。 聚酰胺树脂组合物表现出良好的成型周期,提供了在高温条件下的刚性保持性,高温条件下的耐久性和吸水后的机械性能的保持性优异的成形制品。 因此,聚酰胺树脂组合物可用作各种应用中的金属替代物,例如汽车部件,机械部件和电气或电子部件。
    • 7. 发明申请
    • Carriage for disk device
    • 运输磁盘设备
    • US20070291416A1
    • 2007-12-20
    • US11820465
    • 2007-06-19
    • Takeo HayashiMasao HanyaTatsuhiko Nishida
    • Takeo HayashiMasao HanyaTatsuhiko Nishida
    • G11B5/54
    • G11B5/4833
    • A carriage for a disc device, which has a top arm, bottom arm, and mid arm, has a main mode, end arm mode, and mid arm mode as a frequency response obtained when subjected to a vertical shake. In the main mode, all of the top, bottom, and mid arms swing at a first frequency within the same phase in a primary bending mode. In an end arm mode, the top and bottom arms swing at a second frequency higher than the first frequency within opposite phases and with an amplitude larger than that of the mid arm. In the mid arm mode, the mid arm swings at a third frequency having a difference of 50 Hz or less from the second frequency within the same phase as in the main mode, and the top and bottom arms swing within the phase opposite from that in the main mode.
    • 具有顶臂,底臂和中臂的盘装置的托架具有主模式,端臂模式和中臂模式作为当受到垂直震动时获得的频率响应。 在主模式中,所有的顶部,底部和中间臂在主要弯曲模式下以相同相位内的第一频率摆动。 在端臂模式中,顶臂和底臂在相反相位内以比第一频率高的第二频率摆动,幅度大于中臂的振幅。 在中臂模式中,中臂在与主模式相同的相位内与第二频率具有不同于50Hz或更小的第三频率摆动,并且顶臂和底臂在相对于 主要模式。
    • 8. 发明授权
    • Easy-cleavage film and a method of producing the same
    • 易切割膜及其制造方法
    • US5716696A
    • 1998-02-10
    • US564421
    • 1995-11-29
    • Masao TakashigeTakeo HayashiTakehiro Iwamoto
    • Masao TakashigeTakeo HayashiTakehiro Iwamoto
    • B32B27/34B32B7/02
    • B32B27/34Y10S428/91Y10T428/2495Y10T428/31725Y10T428/31728Y10T428/31732Y10T428/31739
    • An easy-cleavage film comprising a first layer, a second layer and a third layer which contain Nylon 6 (Ny 6), meta-xylylene adipamide (MXD 6) and polyamide elastomer (PAE), in which the film is defined by (1) the content of the components of each layer, (2) the layer ratio of each layer and (3) the orientation ratio, more specifically, (1) the first layer and the third layer having 60 to 85% by weight of Ny 6 content, 15 to 40% by weight of MXD 6 content and 0.1 to 10.0% by weight of PAE content, the second layer having 0 to 40% by weight of Ny 6 content, 60 to 100% by weight of MXD 6 content and 0.1 to 10.0% by weight of PAE content (each layer having Ny 6+MXD 6+PAE=100% by weight, further, the MXD 6 content in the second layer being larger than the MXD 6 content in the first layer and the third layer), (2) the layer ratio of the first layer through the third layer being defined as 1:8:1-4:2:4, the layer ratio between the first layer (or the third layer) and the second layer being defined as 1:8-2:1, and the layer ratio between the first layer and the third layer being defined as 1:2-2:1, and (3) an orientation ratio of more than 2.8 times in both the direction of the movement of the film (MD direction) and the direction of the width of the film (TD direction).
    • 一种易裂解膜,包括含有尼龙6(Ny 6),间二甲苯二酰己二胺(MXD 6)和聚酰胺弹性体(PAE)的第一层,第二层和第三层,其中该膜由(1 )层的成分含量,(2)各层的层比和(3)取向比,更具体而言,(1)第一层和第三层具有60至85重量%的Ny 6 含量为15〜40重量%的MXD 6含量和0.1〜10.0重量%的PAE含量,第二层为0〜40重量%的Ny 6含量,60〜100重量%的MXD 6含量和0.1 至10.0重量%的PAE含量(每层具有Ny 6 + MXD 6 + PAE = 100重量%,此外,第二层中的MXD 6含量大于第一层和第三层中的MXD 6含量 ),(2)第一层通过第三层的层比定义为1:8:1-4:2:4,第一层(或第三层)和第二层之间的层比为de 精加工为1:8-2:1,第一层和第三层之间的层比定义为1:2-2:1,(3)方向上的取向比大于2.8倍 胶片的移动(MD方向)和胶片的宽度方向(TD方向)。