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    Method for manufacturing automobile part
    63.
    发明专利
    Method for manufacturing automobile part 有权
    制造汽车零件的方法

    公开(公告)号：JP2012031435A

    公开(公告)日：2012-02-16

    申请号：JP2011249780

    申请日：2011-11-15

    Applicant: Teijin Chem Ltd ,  Teijin Ltd ,  帝人化成株式会社 ,  帝人株式会社

    Inventor： KONDO FUMITAKA ,  HIRONAKA KATSUHIKO ,  INO KEIICHIRO ,  MATSUNO YUICHI ,  TOYOHARA KIYOTSUNA ,  SUZUKI HIROTAKA ,  NONOKAWA RYUJI ,  MATSUDA TAKAAKI

    IPC: C08J5/00 ,  C08G63/60 ,  C08K3/00 ,  C08K3/34 ,  C08K5/00 ,  C08L67/04 ,  C08L101/16

    Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing automobile parts in which heat resistance of stereocomplex polylactic acid is utilized efficiently.SOLUTION: In this method for manufacturing automobile parts, polylactic acid (A component) in which the ratio of a melting peak at ≥195°C is ≥80% in the melting peak in a temperature rising process is acquired by injection molding in the range of 80-130°C of a mold temperature, in measurement by (A) a differential scanning calorimeter (DSC). The polylactic acid comprises a polylactic acid unit (A-1) configured of 90-100 mol% L-lactic acid unit and 0-10 mol% unit of the D-lactic acid or the like, and a polylactic acid unit (A-4) configured of 90-100 mol% D-lactic acid unit and 0-10 mol% unit of the L-lactic acid or the like, and is obtained by subjecting (A-1/A-4) to heat treatment with the weight ratio of 10/90 to 90/10 at 245-300°C.

    Abstract translation: 要解决的问题：提供一种有效利用立体络合聚乳酸的耐热性的汽车部件的制造方法。 解决方案：在这种制造汽车部件的方法中，通过注射成型获得在升温过程中熔融峰中的≥195℃下的熔融峰的比例≥80％的聚乳酸（A成分） 在模具温度的80-130℃的范围内，通过（A）差示扫描量热计（DSC）测量。 聚乳酸包含由90-100摩尔％L-乳酸单元和0-10摩尔％D-乳酸单元构成的聚乳酸单元（A-1）和聚乳酸单元（A- 4）由90-100摩尔％D-乳酸单元和0-10摩尔％L-乳酸单元构成，并且通过使（A-1 / A-4）热处理 重量比在245-300℃为10/90至90/10。 版权所有（C）2012，JPO＆INPIT

    Method for manufacturing crystal liquid polyester molded article
    64.
    发明专利
    Method for manufacturing crystal liquid polyester molded article 审中-公开
    制造水晶聚酯纤维制品的方法

    公开(公告)号：JP2012030476A

    公开(公告)日：2012-02-16

    申请号：JP2010171792

    申请日：2010-07-30

    Applicant: Sumitomo Chemical Co Ltd ,  住友化学株式会社

    Inventor： TANO DAISUKE

    IPC: B29C45/00 ,  B29K67/00 ,  C08G63/60 ,  C08J5/00 ,  C08K7/22 ,  C08K7/28 ,  C08L67/00

    Abstract: PROBLEM TO BE SOLVED: To provide a method of capable of manufacturing a liquid crystal molded article excellent in surface smoothness in low specific gravity.SOLUTION: The liquid crystal polyester molded article is manufactured by injection-molding the crystal polyester composition comprising a hollow body of 15-35 pts.pass compound having a volume average grain diameter of 15-30 μm with respect to liquid crystal polyester of 100 pts.pass at 140°C or higher of a mold temperature. The hollow body is preferably a glass balloon and the compression strength of the hollow body is preferably 60 MPa or higher.

    Abstract translation: 要解决的问题：提供一种能够制造在低比重下表面平滑度优异的液晶模制品的方法。 解决方案：液晶聚酯成型体通过注射成型包含相对于液晶聚酯的体积平均粒径为15〜30μm的15〜35重量份的中空体的结晶性聚酯组合物 在140℃或更高的模具温度下为100点。 中空体优选为玻璃球，中空体的压缩强度优选为60MPa以上。 版权所有（C）2012，JPO＆INPIT

    Lactic acid polymer and aliphatic polyester copolymer, method for producing those, and molded product
    65.
    发明专利
    Lactic acid polymer and aliphatic polyester copolymer, method for producing those, and molded product 审中-公开
    乳酸聚合物和聚氨酯共聚物，生产方法和成型产品

    公开(公告)号：JP2011168644A

    公开(公告)日：2011-09-01

    申请号：JP2010031364

    申请日：2010-02-16

    Applicant: Mitsubishi Chemicals Corp ,  三菱化学株式会社

    Inventor： KASAI ATSUSHI ,  KATO SATOSHI

    IPC: C08G63/06 ,  C08G63/60 ,  C08L101/16

    Abstract: PROBLEM TO BE SOLVED: To provide a lactic acid polymer suitable for a raw material to produce an aliphatic polyester copolymer and a method for producing the polymer, as well as to provide the aliphatic polyester copolymer containing the lactic acid polymer and a molded product.
    SOLUTION: This lactic acid polymer, when measured for proton nuclear magnetic resonance spectrum using heavy chloroform as a solvent, has a number average molecular weight of ≥500 calculated from an integrated intensity ratio of signals which appear at 5.2 ppm and 4.4 ppm; and has the integrated intensity of ≤0.003 of the signal which appears at 2.5 ppm, provided that the integrated intensity of the signal at 5.2 ppm is 1.
    COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 待解决的问题：提供适合原料生产脂肪族聚酯共聚物的乳酸聚合物和聚合物的制造方法，以及提供含有乳酸聚合物的脂肪族聚酯共聚物和成型体 产品。 解决方案：当使用重氯仿作为溶剂测量质子核磁共振谱时，该乳酸聚合物的数均分子量≥500，由5.2ppm和4.4ppm的信号的积分强度比计算 ; 并且信号浓度为0.25ppm时的信号的积分强度≤0.003，条件是5.2ppm信号的积分强度为1.版权所有（C）2011，JPO＆INPIT

    Light-resistant member
    68.
    发明专利
    Light-resistant member 审中-公开
    耐光会员

    公开(公告)号：JP2011042740A

    公开(公告)日：2011-03-03

    申请号：JP2009191654

    申请日：2009-08-21

    Applicant: Sumitomo Chemical Co Ltd ,  住友化学株式会社

    Inventor： SAITO SHINTARO ,  HOSODA TOMOYA ,  OKAMOTO SATOSHI

    IPC: C08G63/60 ,  C08K7/14 ,  C08L67/00

    Abstract: PROBLEM TO BE SOLVED: To improve light resistance in a thin wall part in a light-resistant member having the thin wall part and to enhance long-term reliability.
    SOLUTION: Liquid crystalline polyester in the thin wall part includes structural units represented by the following formula (1), (2), and (3). Assuming that the total of bivalent aromatic groups Ar
    1 , Ar
    2 , and Ar
    3 included in formula (1), (2), and (3) is 100 mol%, 25 mol% or more of 2, 6-naphthalenediyl group is included. The flow start temperature is 280°C or higher. The formulae are as follows: (1)-O-Ar
    1 -CO-, (2)-CO-Ar
    2 -CO-, and (3)-O-Ar
    3 -O-, wherein Ar
    1 represents one or more groups selected from the group consisting of 2, 6-naphthalenediyl group, 1, 4-phenylene group, and 4, 4'-biphenylene group; and Ar
    2 and Ar
    3 each independently represents one or more groups selected from the group consisting of 2, 6-naphthalenediyl group, 1, 4-phenylene group, 1, 3-phenylene group, and 4, 4'-biphenylene group.
    COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 解决的问题：提高具有薄壁部的耐光部件的薄壁部的耐光性，提高长期的可靠性。 解决方案：薄壁部分中的液晶聚酯包括由下式（1），（2）和（3）表示的结构单元。 假设式（1），（2）和（2）中包含的二价芳族基团Ar 1 ，Ar 2 和Ar 3 （3）为100摩尔％，2摩尔％以上的2,6-萘二甲基。 流量开始温度为280℃以上。 通式如下：（1）-O-Ar 3，其中Ar 1表示选自2,6-亚萘二基，1,4-亚苯基和 4,4'-联亚苯基; 和Ar 2 和Ar 3 各自独立地表示一个或多个选自2,6-萘二基，1,4-亚苯基，1,3 亚苯基和4,4'-联亚苯基。 版权所有（C）2011，JPO＆INPIT

    Tank made of resin
    69.
    发明专利
    Tank made of resin 审中-公开
    树脂罐

    公开(公告)号：JP2011038029A

    公开(公告)日：2011-02-24

    申请号：JP2009188402

    申请日：2009-08-17

    Applicant: Sumitomo Chemical Co Ltd ,  住友化学株式会社

    Inventor： HOSODA TOMOYA ,  OKAMOTO SATOSHI

    IPC: C08G63/60 ,  B60K15/03 ,  B65D1/00

    Abstract: PROBLEM TO BE SOLVED: To improve weather resistance and to increase heat resistance in a tank made of a resin. SOLUTION: The liquid crystal polyester of a tank body 2 includes structural units represented by formula (1):-O-Ar 1 -CO-, formula (2):-CO-Ar 2 -CO- and formula (3):-O-Ar 3 -O- (Ar 1 is one or more groups selected from the group consisting of 2,6-naphthalenediyl, 1,4-phenylene and 4,4'-biphenylene; Ar 2 and Ar 3 are each independently one or more groups selected from the group consisting of 2,6-naphthalenediyl, 1,4-phenylene, 1,3-phenylene and 4,4'-biphenylene). When the total of the bifunctional aromatic groups Ar 1 , Ar 2 and Ar 3 is 100 mol%, the amount of 2,6-naphthalenediyl group is ≥40 mol%. The liquid crystal polyester has a flow starting temperature of ≥280°C. COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题：提高耐候性和提高由树脂制成的罐中的耐热性。 解决方案：罐体2的液晶聚酯包括由式（1）表示的结构单元：-O-Ar 2 -CO-和式（3）：-O-Ar 1 是选自以下的一个或多个基团 由2,6-萘二基，1,4-亚苯基和4,4'-亚联苯构成; Ar 2 和Ar 3 各自独立地为一个或多个选自 由2,6-萘二基，1,4-亚苯基，1,3-亚苯基和4,4'-联亚苯基组成的组）。 当双官能芳族基团Ar 1 ，Ar 2 和Ar 3 的总量为100mol％时，2,6-萘二甲酰基 组≥40摩尔％。 液晶聚酯的流动起始温度≥280℃。 版权所有（C）2011，JPO＆INPIT

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