Biodegradable resin composition and preparation process thereof
    1.
    发明授权
    Biodegradable resin composition and preparation process thereof 失效
    生物可降解树脂组合物及其制备方法

    公开(公告)号:US6114496A

    公开(公告)日:2000-09-05

    申请号:US369423

    申请日:1999-08-06

    CPC分类号: C08G63/06 C08G63/85

    摘要: A process for preparing a biodegradable resin composition, comprising: providing a reaction mixture comprising at least one hydroxycarboxylic acid and, as a polymerization catalyst, a monoorganotin derivative; heating and stirring the reaction mixture, wherein the heating and stirring step is carried out under a reduced pressure to cause condensation polymerization or carried out in an organic solvent to cause azeotropic dehydrating polymerization. Also disclosed in a biodegradable resin composition prepared by the process.

    摘要翻译: 一种制备可生物降解的树脂组合物的方法,包括:提供包含至少一种羟基羧酸和作为聚合催化剂的单有机锡衍生物的反应混合物; 加热搅拌反应混合物,其中加热和搅拌步骤在减压下进行以进行缩聚或在有机溶剂中进行共沸脱水聚合。 还公开在通过该方法制备的可生物降解的树脂组合物中。

    Method for preparing polyhydroxycarboxylic acid resin
    3.
    发明授权
    Method for preparing polyhydroxycarboxylic acid resin 失效
    聚羟基羧酸树脂的制备方法

    公开(公告)号:US5734007A

    公开(公告)日:1998-03-31

    申请号:US674453

    申请日:1996-07-02

    申请人: Junzo Otera Toru Yano

    发明人: Junzo Otera Toru Yano

    CPC分类号: C08G63/85 C08G63/06

    摘要: There is provided a method for easily preparing a polyhydroxycarboxylic acid resin in a one pot reaction by adding 1,3-substituted-1,1,3,3-tetraorganodistanoxan as a polymerization catalyst to a hydroxycarboxylic acid, such as L-lactic acid containing 10 to 50% of water as a starting material, and stirring while heating under a reduced pressure condition or in an organic solvent.

    摘要翻译: 提供了在一锅反应中容易地制备聚羟基羧酸树脂的方法,其中加入作为聚合催化剂的1,3-取代-1,1,3,3-四有机酪氨酸氧化物到羟基羧酸如含L-乳酸的 10〜50%的水作为原料,在减压条件下或有机溶剂中加热搅拌。

    Optical recording material
    6.
    发明授权
    Optical recording material 失效
    光学记录材料

    公开(公告)号:US08030494B2

    公开(公告)日:2011-10-04

    申请号:US12441949

    申请日:2007-10-02

    摘要: An optical recording material containing a compound of formula (I): wherein R1 and R2 each represent hydrogen, hydroxyl, halogen, nitro, cyano, a C1-C30 organic group, or a group of formulae (II), (II′) or (III); or R1 and R2 are connected to form a ring; X1 is —CR3R4— or —NH—; Y1 is a C1-C30 organic group or a substituent of formulae (II), (II′) or (III); R3 and R4 each represent hydrogen, a C1-C30 organic group, or a group of formulae (II), (II′) or (III), provided that, when Y1 is a group of formula (III), R3 is hydrogen, a C1-C30 organic group, or a group of formulae (II), (II′) or (III), and when Y1 is a C1-C30 organic group or a group of formulae (II) or (II′), R3 is a group of formulae (II), (II′) or (III); M is Fe, Co, Ni, Ti, Cu, Zn, Zr, Cr, Mo, Os, Mn, Ru, Sn, Pd, Rh, Pt, or Ir; Anq− is a q-valent anion, p is a number necessary to neutralize an electric charge; and q is 1 or 2.

    摘要翻译: 含有式(I)化合物的光学记录材料:其中R 1和R 2各自表示氢,羟基,卤素,硝基,氰基,C 1 -C 30有机基团或式(II),(II')或 (三); 或R1和R2连接形成环; X1为-CR3R4-或-NH-; Y1是C1-C30有机基团或式(II),(II')或(III)的取代基; R 3和R 4各自表示氢,C 1 -C 30有机基团或式(II),(II')或(III)的基团,条件是当Y1是式(III)的基团时,R 3是氢, C1-C30有机基团或式(Ⅱ),(Ⅱ')或(Ⅲ)基团,当Y1是C1-C30有机基团或式(Ⅱ)或(Ⅱ')基团时,R3 是式(II),(II')或(III)的一组; M是Fe,Co,Ni,Ti,Cu,Zn,Zr,Cr,Mo,Os,Mn,Ru,Sn,Pd,Rh,Pt或Ir; Anq-是q价阴离子,p是中和电荷所需的数字; q为1或2。

    POLARIZING GLASS HAVING HIGH EXTINCTION RATIO
    7.
    发明申请
    POLARIZING GLASS HAVING HIGH EXTINCTION RATIO 审中-公开
    具有高放射比的极化玻璃

    公开(公告)号:US20110235176A1

    公开(公告)日:2011-09-29

    申请号:US13128970

    申请日:2009-06-24

    IPC分类号: G02B5/30 C03B32/00 C03B23/00

    摘要: There are disclosed an improved method for production of a polarizing glass having a high extinction ratio by facilitating control of the diameter of silver halide particles in a mother glass with high Ag concentration, and a polarizing glass produced by the method. The glass is a polarizing glass having dispersed and oriented geometrically anisotropic metallic silver particles at least in its surface layer, which is characterized by not containing TiO2 exceeding 1.7 wt % but containing not less than 0.4 wt % Ag, and in that Ag and halogens contained therein satisfy the following relations: the molar ratio of Ag/(Cl+Br) is 0.2 to 1.0; the molar ratio of Cl/(Cl+Br+F) 0.5 to 0.95; and the molar ratio of Br/(Cl+Br+F) 0.05 to 0.4. The method for production comprises the steps of drawing a glass containing dispersed AgClxBr1-x crystals, and then reducing it under a reducing atmosphere.

    摘要翻译: 公开了通过促进控制具有高Ag浓度的母玻璃中的卤化银颗粒的直径和通过该方法制备的偏光玻璃来制造具有高消光比的偏光玻璃的改进方法。 玻璃是至少在其表面层中具有分散且定向的几何各向异性金属银颗粒的偏光玻璃,其特征在于不含TiO 2超过1.7重量%但含有不小于0.4重量%的Ag,并且所述Ag和卤素含有 其中满足以下关系:Ag /(Cl + Br)的摩尔比为0.2〜1.0; Cl /(Cl + Br + F)的摩尔比为0.5〜0.95; Br /(Cl + Br + F)的摩尔比为0.05〜0.4。 制造方法包括以下步骤:拉制含有分散的AgCl x Br 1-x晶体的玻璃,然后在还原气氛下还原。

    Indolium compounds and optical recording materials
    8.
    发明授权
    Indolium compounds and optical recording materials 失效
    吲哚类化合物和光学记录材料

    公开(公告)号:US07705162B2

    公开(公告)日:2010-04-27

    申请号:US11665449

    申请日:2005-09-21

    摘要: The indolium compounds of the present invention are represented by general formula (I) below and exhibit thermal decomposition behavior further suitable for optical recording materials used in an optical recording layer of an optical recording medium for high-speed recording. (In the formula, ring A represents a benzene or naphthalene ring; Z represents, for example, an optionally halogenated C1-8 alkyl group that is optionally interrupted by —O—, —CO—, —OCO—, or —COO—; at least one of R1 and R2 represents a group represented by general formula (II) or (III), and when only one of R1 and R2 is a group represented by general formula (II) or (III), the other represents a C1-30 organic group; R3 and R4 each represent a hydrogen atom, a C1-30 organic group, or others; X represents a C1-8 alkyl group, which is optionally substituted with a halogen atom or a hydroxyl group or optionally interrupted by an ether bond, or others; Y1 represents a hydrogen atom or a C1-30 organic group; n represents an integer of 0 to 4, q represents an integer of 0 to 4; Anm- represents an m-valent anion; m represents 1 or 2; and p represents a coefficient to keep the electric charge neutral.)

    摘要翻译: 本发明的吲哚鎓化合物由下述通式(I)表示,并且表现出进一步适用于用于高速记录的光记录介质的光记录层中的光记录材料的热分解行为。 (在该式中,环A表示苯或萘环; Z表示例如任选卤代的C1-8烷基,任选被-O-,-CO-,-OCO-或-COO-间隔; R 1和R 2中的至少一个表示由通式(II)或(III)表示的基团,当R 1和R 2中只有一个是由通式(II)或(III)表示的基团时,另一个表示C1 -30有机基团; R3和R4各自表示氢原子,C1-30有机基团等; X表示C1-8烷基,其任选被卤素原子或羟基取代,或任选地被 醚键等; Y1表示氢原子或C1-30有机基团; n表示0〜4的整数,q表示0〜4的整数,An表示m价阴离子,m表示1或 2; p表示保持电荷中性的系数。)

    Cyanine compound, optical recording material using the same and optical recording medium
    9.
    发明授权
    Cyanine compound, optical recording material using the same and optical recording medium 失效
    花青素化合物,使用其的光学记录材料和光学记录介质

    公开(公告)号:US07682773B2

    公开(公告)日:2010-03-23

    申请号:US11791487

    申请日:2005-10-13

    IPC分类号: G11B7/24

    摘要: The cyanine compound of the present invention is represented by general formula (I) below and suitable as an optical recording material used in a recording layer of optical recording media on which recording and play-back are conducted with laser beam. The cyanine compound of the present invention particularly exhibits appropriate thermal decomposition behavior to attain sensitivity compatible with high-speed recording. (In the formula, each of ring A and ring B represents an optionally substituted benzene or naphthalene ring; each of R1 and R2 independently represents a C1-4 alkyl group or an optionally substituted benzyl group; at least one of R1 and R2 is an optionally substituted benzyl group; X represents O, S, or NY; each of Y, Y1, and Y2 independently represents a hydrogen atom or a C1-30 organic group; Z represents a hydrogen atom, a halogen atom, or a cyano group; Anm- represents an m-valent anion; m represents an integer of 1 or 2; and p represents a coefficient to keep an electric charge neutral.)

    摘要翻译: 本发明的花青化合物由下述通式(I)表示,适合作为用激光束进行记录和回放的光记录介质的记录层中使用的光记录材料。 本发明的花青化合物特别表现出适当的热分解行为以获得与高速记录兼容的灵敏度。 (式中,环A和环B分别表示可以具有取代基的苯或萘环,R 1和R 2各自独立地表示碳原子数为1〜4的烷基或可以具有取代基的苄基; R 1和R 2中的至少一个为 任选取代的苄基; X表示O,S或NY; Y,Y1和Y2各自独立地表示氢原子或C1-30有机基团; Z表示氢原子,卤素原子或氰基; Anm-表示m价阴离子; m表示1或2的整数; p表示保持电荷中性的系数。

    Cyanine compound, optical recording material, and optical recording medium
    10.
    发明授权
    Cyanine compound, optical recording material, and optical recording medium 失效
    花青素化合物,光学记录材料和光学记录介质

    公开(公告)号:US07553604B2

    公开(公告)日:2009-06-30

    申请号:US10899027

    申请日:2004-07-27

    IPC分类号: G11B7/24

    摘要: A cyanine compound represented by formula (I): wherein ring A and ring B each represent a substituted or unsubstituted benzene ring or a substituted or unsubstituted naphthalene ring; R1, R2, R3, and R4 each represent an alkyl group having 1 to 4 carbon atoms or a substituted or unsubstituted benzyl group, or R1 and R2 are taken together, or R3 and R4 are taken together, to form a 3- to 6-membered ring, provided that at least one of R1, R2, R3, and R4 is a substituted benzyl group; Y1 and Y2 each represent an organic group having 1 to 30 carbon atoms; Anm− represents an m-valent anion; m represents an integer 1 or 2; and p represents a coefficient for maintaining overall charge neutrality.

    摘要翻译: 由式(I)表示的花青化合物:其中环A和环B各自表示取代或未取代的苯环或取代或未取代的萘环; R 1,R 2,R 3和R 4各自表示具有1至4个碳原子的烷基或取代或未取代的苄基,或者R 1和R 2一起,或者R 3和R 4一起形成3-至6 条件是R 1,R 2,R 3和R 4中的至少一个是取代的苄基; Y1和Y2各自表示碳原子数1〜30的有机基团。 Anm-表示m价阴离子; m表示1或2的整数; 并且p表示用于维持总电荷中性的系数。