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    Polyester resin and process for its production
    1.
    发明授权
    Polyester resin and process for its production 有权
    聚酯树脂及其生产工艺

    公开(公告)号：US06667383B2

    公开(公告)日：2003-12-23

    申请号：US10263716

    申请日：2002-10-04

    申请人： Yoshihiro Fujimori ,  Masahiro Nukui ,  Yutaka Yatsugi ,  Kenichi Matsui

    发明人： Yoshihiro Fujimori ,  Masahiro Nukui ,  Yutaka Yatsugi ,  Kenichi Matsui

    IPC分类号： C08G6378

    CPC分类号： C08G63/85 ,  C08G63/183 ,  C08G63/82 ,  C08G63/826 ,  C08G63/83 ,  C08G63/87

    摘要： A polyester resin is prepared by polycondensing a dicarboxylic acid component containing terephthalic acid or its ester-forming derivative as the main component, and a diol component containing ethylene glycol as the main component in the presence of (1) a compound of at least one member selected from the group consisting of titanium group elements in Group 4A of the Periodic Table, via an esterification reaction or an ester exchange reaction, wherein the content of copolymerized components other than the terephthalic acid component and the ethylene glycol component, is not more than 4 mole % based on the total dicarboxylic acid component, and in a molded product with a thickness of 3.5 mm injection-molded at 280° C., the difference between the absorbance at a wavelength of 395 nm and the absorbance at a wavelength of 800 nm is at least 0.08, and the difference between the absorbance at a wavelength of 500 nm and the absorbance at a wavelength of 800 nm is at most 0.05.

    摘要翻译： 在（1）至少一种成分的化合物的存在下，将含有对苯二甲酸或其成酯衍生物的二羧酸成分作为主要成分，以乙二醇为主要成分的二醇成分进行缩聚， 通过酯化反应或酯交换反应选自周期表4A族中的钛族元素，其中除对苯二甲酸成分和乙二醇成分以外的共聚成分的含量为4以下 摩尔％，在280℃注射成型的厚度为3.5mm的成型品中，波长395nm处的吸光度与波长800nm处的吸光度之差 至少为0.08，波长500nm处的吸光度与波长800nm处的吸光度之差为0.05以下。

    Polyester resin and process for its production
    3.
    发明申请
    Polyester resin and process for its production 审中-公开

    公开(公告)号：US20060084782A1

    公开(公告)日：2006-04-20

    申请号：US11294368

    申请日：2005-12-06

    申请人： Yoshihiro Fujimori ,  Masahiro Nukui ,  Yutaka Yatsugi ,  Kenichi Matsui

    发明人： Yoshihiro Fujimori ,  Masahiro Nukui ,  Yutaka Yatsugi ,  Kenichi Matsui

    IPC分类号： C08G63/02

    CPC分类号： C08G63/85 ,  C08G63/183 ,  C08G63/82 ,  C08G63/826 ,  C08G63/83 ,  C08G63/87

    摘要： A polyester resin, whereby a molded product excellent in a gas barrier property and also excellent in an ultraviolet shielding property, a color tone, etc., and which is particularly suitable for molding a bottle for e.g. a beverage required to have an aroma retention property, and further, a polyester resin, whereby the acetaldehyde content as a molded product is reduced to eliminate an influence over the taste, aroma, etc. of the content, and a process for its production, wherein the polycondensability is improved, are to be presented. A polyester resin produced by polycondensing a dicarboxylic acid component containing terephthalic acid or its ester-forming derivative as the main component, and a diol component containing ethylene glycol as the main component in the presence of (1) a compound of at least one member selected from the group consisting of titanium group elements in Group 4A of the periodic table, via an esterification reaction or an ester exchange reaction, characterized in that the content of copolymerized components other than the terephthalic acid component and the ethylene glycol component, is not more than 4 mol % based on the total dicarboxylic acid component, and in a molded product with a thickness of 3.5 mm injection-molded at 280° C., the difference between the absorbance at a wavelength of 395 nm and the absorbance at a wavelength of 800 nm is at least 0.08, and the difference between the absorbance at a wavelength of 500 nm and the absorbance at a wavelength of 800 nm is at most 0.05; and a process for producing a polyester resin, which comprises polycondensing a dicarboxylic acid component containing terephthalic acid or its ester-forming derivative as the main component, and a diol component containing ethylene glycol as the main component in the presence of (1) a compound of at least one member selected from the group consisting of titanium group elements in Group 4A of the periodic table, (2) a compound of at least one element selected from the group consisting of metal elements of Group Ia of the periodic table, elements of Group IIa of the periodic table, manganese, iron and cobalt, and (3) a phosphorus compound, via an esterification reaction or an ester exchange reaction, characterized in that the amounts of the respective compounds (1), (2) and (3) are such amounts that their contents will be from 0.02 to 0.2 mol as the total amount (T) of atoms of the compound (1), from 0.04 to: 0.6 mol as the total amount (M) of atoms of the compound (2) and from 0.02 to 0.4 mol as the total amount (P) of atoms of the compound (3), per 1 ton of the polyester resin.

    Polyester resin and its production process
    7.
    发明授权
    Polyester resin and its production process 有权
    聚酯树脂及其生产工艺

    公开(公告)号：US06500915B1

    公开(公告)日：2002-12-31

    申请号：US09709250

    申请日：2000-11-10

    申请人： Yoshihiro Fujimori ,  Shuuji Anno ,  Masahiro Nukui

    发明人： Yoshihiro Fujimori ,  Shuuji Anno ,  Masahiro Nukui

    IPC分类号： C08G6378

    CPC分类号： C08G63/82 ,  C08G63/85 ,  C08G63/87

    摘要： The present invention relates to a polyester resin produced by polymerizing a dicarboxylic acid component comprising mainly an aromatic dicarboxylic acid or its ester forming derivative, and a diol component comprising mainly ethylene glycol in the presence of a catalyst containing a titanium compound, which polyester resin contains titanium atoms (Ti) in an amount of 0.002 to 1.0 mole based on one ton of the polyester resin and has the following properties: Intrinsic viscosity ([&eegr;], dl/g)≧0.70 Hunter's “b” value≦4 Acetaldehyde content (AA0, ppm)≦5.0.

    摘要翻译： 本发明涉及通过在主要含有芳族二羧酸或其酯形成衍生物的二羧酸组分和主要包含乙二醇的二醇组分的存在下，在含有钛化合物的催化剂中聚合制备的聚酯树脂，该聚酯树脂含有 相对于1吨聚酯树脂，钛原子（Ti）的含量为0.002〜1.0摩尔，具有以下性质：特性粘度（η，dl / g）≥0.70亨特的“b”值<= 4-乙醛含量 （AA0，ppm）<= 5.0。

    Aromatic polycarbonate resin of improved color
    8.
    发明授权
    Aromatic polycarbonate resin of improved color 失效
    芳香聚碳酸酯树脂颜色改善

    公开(公告)号：US5455324A

    公开(公告)日：1995-10-03

    申请号：US111455

    申请日：1993-08-25

    申请人： Masahiro Nukui ,  Takao Tayama ,  Takeshi Kashiwagi ,  Masatoshi Kimura ,  Hidekazu Shoji

    发明人： Masahiro Nukui ,  Takao Tayama ,  Takeshi Kashiwagi ,  Masatoshi Kimura ,  Hidekazu Shoji

    IPC分类号： C08G64/30 ,  C08G64/00

    CPC分类号： C08G64/307

    摘要： Disclosed herein is an aromatic polycarbonate resin containing benzophenone and benzoate ester derivatives which have a molecular weight less than 1,000, each in an amount of 100 ppm or less. Also disclosed is a process for preparing an aromatic polycarbonate resin from an aromatic dihydroxy compound and a carbonate diester in which the benzophenone derivative content is 100 ppm or less by transesterification, comprising preparing a polycarbonate prepolymer having a viscosity average molecular weight of 5,000 to 20,000 using an iminocarboxylic acid or salt thereof as a transesterification catalyst and polymerizing the prepolymer in an extruder.The aromatic polycarbonate is colorless and transparent and is suitable for extrusion molding.

    摘要翻译： 本文公开了含有分子量小于1,000的二苯甲酮和苯甲酸酯衍生物的芳族聚碳酸酯树脂，其分别为100ppm以下。 还公开了一种由芳族二羟基化合物和碳酸二酯制备芳族聚碳酸酯树脂的方法，其中二苯甲酮衍生物含量通过酯交换反应为100ppm以下，包括使用以下方法制备粘均分子量为5,000至20,000的聚碳酸酯预聚物，其使用 作为酯交换催化剂的亚氨基羧酸或其盐，并在挤出机中使预聚物聚合。 芳香族聚碳酸酯是无色透明的，适用于挤出成型。

    Process for the preparation of aromatic polycarbonate resins
    10.
    发明授权
    Process for the preparation of aromatic polycarbonate resins 失效
    芳香族聚碳酸酯树脂的制备方法

    公开(公告)号：US5519106A

    公开(公告)日：1996-05-21

    申请号：US373034

    申请日：1995-01-17

    申请人： Masahiro Nukui ,  Takao Tayama ,  Takeshi Kashiwagi ,  Masatoshi Kimura ,  Hidekazu Shoji

    发明人： Masahiro Nukui ,  Takao Tayama ,  Takeshi Kashiwagi ,  Masatoshi Kimura ,  Hidekazu Shoji

    IPC分类号： C08G64/30 ,  C08G64/00

    CPC分类号： C08G64/307

    摘要： A process for preparing an aromatic polycarbonate resin from an aromatic dihydroxy compound and a carbonate diester by transesterification in the presence of a transesterification catalyst comprising; reacting a purified carbonate diester with an aromatic dihydroxy compound in the presence of a transesterification catalyst to form a polycarbonate prepolymer; said carbonate diester containing benzophenone and benzoate ester derivatives having a molecular weight of less than 1,000, each in an amount of 100 ppm or less, said polycarbonate prepolymer having a viscosity average molecular weight of 5,000 to 20,000 at a temperature of 140.degree. to 280.degree. C., the reaction pressure being from 0.1 Torr to normal pressure; polymerizing said prepolymer at a temperature of 240.degree. to 350.degree. C. in a lateral, bi-axial, self-cleaning reactor to obtain an aromatic polycarbonate resin having a viscosity average molecular weight of 15,000 to 60,000. The aromatic polycarbonate is colorless and transparent and is suitable for extrusion molding.

    摘要翻译： 一种由酯交换催化剂存在下通过酯交换反应由芳族二羟基化合物和碳酸二酯制备芳族聚碳酸酯树脂的方法，包括： 在酯交换催化剂存在下使纯化的碳酸二酯与芳族二羟基化合物反应以形成聚碳酸酯预聚物; 所述含有分子量小于1,000的二苯甲酮和苯甲酸酯衍生物的碳酸酯二酯各自为100ppm以下，所述聚碳酸酯预聚物在140〜280℃的温度下的粘均分子量为5000〜20,000。 C.反应压力为0.1乇至常压; 在侧向双轴自清洁反应器中在240℃至350℃的温度下聚合所述预聚物，得到粘均分子量为15,000至60,000的芳族聚碳酸酯树脂。 芳香族聚碳酸酯是无色透明的，适用于挤出成型。