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    • 1. 发明授权
    • Process for preparing polyester elastomers
    • 制备聚酯弹性体的方法
    • US4031165A
    • 1977-06-21
    • US617844
    • 1975-09-29
    • Noritsugu SaikiYoshihiko TakeuchiHiroshi Sakai
    • Noritsugu SaikiYoshihiko TakeuchiHiroshi Sakai
    • C08G63/06C08G63/16C08L67/00C08G81/00C08G63/04
    • C08G63/16C08G63/06C08L67/00
    • In a process for preparing a block copolyester elastomer having a softening point of at least 120.degree. C. by reacting an aromatic polyester (I) having a reduced viscosity of at least 0.4 and derived from an aromatic dicarboxylic acid or its ester-forming derivative as a main acid component with an aliphatic polyester (II) having a reduced viscosity of at least 0.4 and derived from an aliphatic dicarboxylic acid or an aliphatic hydroxycarboxylic acid or an ester-forming derivative of each of these acids in the molten state; the improvement whereinA. the aromatic polyester (I) is derived from a dicarboxylic acid component more than 70 mole % of which consists of terephthalic acid and diol component more than 70 mole % of which consists of tetramethylene glycol or trimethylene glycol,B. the weight ratio of the aromatic polyester (I) to the aliphatic polyester (II) is 0.25 to 9, andC. the reaction between the polyester (I) and the polyester (II) is carried out until a polymer is obtained which has an elasticity recovery of at least 50% after it is stretched 20% and then relaxed for 5 minutes.
    • 在制备软化点为至少120℃的嵌段共聚酯弹性体的方法中,通过使具有至少0.4的比浓的粘度的芳族聚酯(I)与来自芳族二羧酸或其成酯衍生物的芳族聚酯 一种主要的酸成分,其中具有至少0.4的比浓粘度的脂肪族聚酯(II)衍生自熔融状态的这些酸的脂肪族二羧酸或脂族羟基羧酸或成酯衍生物; 其中A.芳香族聚酯(I)衍生自多于70摩尔%的二羧酸成分,其中多于70摩尔%的对苯二甲酸和二醇组分由四亚甲基二醇或三亚甲基二醇组成。B. 芳香族聚酯(I)与脂肪族聚酯(II)的重量比为0.25〜9,C进行聚酯(I)与聚酯(II)的反应,直到得到具有弹性的聚合物 在拉伸20%后再恢复至少50%,然后松弛5分钟。
    • 2. 发明授权
    • Process for preparing soft transparent polyether polyester block
copolymers
    • 软透明聚醚聚酯嵌段共聚物的制备方法
    • US4081494A
    • 1978-03-28
    • US641038
    • 1975-12-15
    • Hiroshi SakaiYoshihiko TakeuchiShizuka Kurisu
    • Hiroshi SakaiYoshihiko TakeuchiShizuka Kurisu
    • C08G63/672C08L67/02
    • C08G63/672
    • In a process for preparing soft polyesters which comprises reacting (A) terephthalic acid and/or its ester-forming derivative, (B) tetramethylene glycol and/or its ester-forming derivative and (C) a poly(oxyalkylene) glycol having a molecular weight of 500 to 5,000 and a ratio of the number of carbon atoms to that of oxygen atoms of 2 to 4.5, the improvement wherein after the reduced viscosity of the reaction product of the components (A), (B) and (C) has reached 0.1 (dl/g), the reaction product is further reacted with (D) a low-molecular-weight ester compound and/or a high-molecular-weight ester compound containing a terephthalic acid residue and an ethylene glycol residue or a low-molecular-weight ester compound and/or a high-molecular-weight ester compound containing a terephthalic acid residue and a 1,4-cyclohexane dimethanol residue to form a polyester-polyether block copolymer.
    • 在制备软质聚酯的方法中,其包括使(A)对苯二甲酸和/或其形成酯的衍生物与(B)四亚甲基二醇和/或其成酯衍生物和(C)具有分子量的聚(氧化烯) (A),(B)和(C)的反应产物的比浓粘度在具有(A),(B)和(C)的反应产物的比浓粘度 达到0.1(dl / g),反应产物进一步与(D)低分子量酯化合物和/或含有对苯二甲酸残基和乙二醇残基的高分子量酯化合物或低 - 分子量酯化合物和/或含有对苯二甲酸残基和1,4-环己烷二甲醇残余物的高分子量酯化合物以形成聚酯 - 聚醚嵌段共聚物。
    • 5. 发明授权
    • Mobile wireless terminal, wireless module, handover method, and recording medium
    • 移动无线终端,无线模块,切换方法和记录介质
    • US08270373B2
    • 2012-09-18
    • US12558701
    • 2009-09-14
    • Hiroshi Sakai
    • Hiroshi Sakai
    • H04W4/00H04W36/00
    • H04W36/34
    • Provided is a mobile wireless terminal connected to a base station via wireless, including: a storage section which stores and holds a plurality of handover execution threshold values used for execution of handover processing of changing connection in a wireless communication network; a service suspension period identifying section which identifies a service suspension period occurring at a time of the handover processing; a handover execution threshold value selecting section which selects, based on a value of the service suspension period identified by the service suspension period identifying section, one handover execution threshold value among the plurality of handover execution threshold values stored in the storage section; and a control section which executes the handover processing based on the one handover execution threshold value selected by the handover execution threshold value selecting section and a received radio signal.
    • 提供了一种通过无线连接到基站的移动无线终端,包括:存储和保存用于执行在无线通信网络中改变连接的切换处理的多个切换执行阈值的存储部分; 服务暂停期间识别部,其识别在切换处理时发生的服务暂停期间; 切换执行阈值选择部,其基于由所述服务暂停期间识别部识别的所述服务暂停期间的值,选择存储在所述存储部中的所述多个切换执行阈值之中的一个切换执行阈值; 以及控制部,其基于由切换执行阈值选择部选择的一个切换执行阈值和接收到的无线信号来执行切换处理。