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    • 2. 发明授权
    • Biaxially oriented polyester film to be laminated onto a metal plate and
molded
    • 将双轴取向的聚酯薄膜层压到金属板上并成型
    • US6086989A
    • 2000-07-11
    • US91190
    • 1998-06-10
    • Koji KuboHirofumi MurookaMasahiko KosugeManabu Kimura
    • Koji KuboHirofumi MurookaMasahiko KosugeManabu Kimura
    • B32B15/08B32B27/36C08J5/18B32B31/04
    • C08J5/18B32B15/08B32B27/36C08J2367/02Y10S428/91Y10T428/264Y10T428/269
    • A biaxially oriented polyester film to be laminated onto a metal plate and molded, which comprises a copolyester, said copolyester comprising (a) terephthalic acid in an amount of 82 to 100 mol % and 2,6-naphthalenedicarboxylic acid or a combination of 2,6-naphthalenedicarboxylic acid and other dicarboxylic acids in an amount of 0 to 18 mol % of the total of all dicarboxylic acid components and (b) ethylene glycol in an amount of 82 to 100 mol % and cyclohexanedimethanol or a combination of cyclohexanedimethanol and other diols in an amount of 0 to 18 mol % of the total of all diol components, and having (c) a glass transition temperature of 78.degree. C. or higher and (d) a melting point of 210 to 250.degree. C. The said film has the following relationship between the highest peak temperature (Te, .degree. C.) of loss elastic modulus and the glass transition temperature (Tg, .degree. C.): Te-Tg.ltoreq.30, or its content of a free dicarboxylic acid diol ester is 50 ppm or less. The said film has improved flavor retention properties for its contents taste, particularly taste and flavor retention properties after a retort treatment, while retaining excellent moldability, heat resistance, impact resistance.
    • PCT No.PCT / JP97 / 03643 Sec。 371日期:1998年6月10日 102(e)1998年6月10日PCT 1997年10月9日PCT PCT。 公开号WO98 / 16573 日期:1998年4月23日将双轴取向聚酯薄膜层叠在金属板上并成型为包含共聚酯的共聚酯,所述共聚酯包含(a)82至100摩尔%的对苯二甲酸和2,6-萘二羧酸,或 2,6-萘二羧酸和其它二羧酸的组合,其量为所有二羧酸组分总量的0至18摩尔%,和(b)82至100摩尔%的乙二醇和环己烷二甲醇或其组合 的环己烷二甲醇和其它二醇的量为所有二醇组分总量的0至18摩尔%,并且(c)玻璃化转变温度为78℃或更高,(d)熔点为210至250℃ C.所述膜在损耗弹性模量的最高峰值温度(Te,℃)和玻璃化转变温度(Tg,℃)之间具有以下关系:Te-Tg = 30或其含量 游离二羧酸二醇酯的含量为50ppm以下。 所述薄膜在蒸煮处理后具有改善其含量味道,特别是味道和香味保留性能的风味保持性,同时保持优异的成型性,耐热性,耐冲击性。
    • 3. 发明授权
    • White laminated polyester film for metallic plate lamination work
    • 白色层压聚酯薄膜,用于金属板层压工作
    • US06420010B1
    • 2002-07-16
    • US09077837
    • 1998-06-04
    • Tetsuya HasegawaHirofumi MurookaKoji KuboTetsuo Yoshida
    • Tetsuya HasegawaHirofumi MurookaKoji KuboTetsuo Yoshida
    • B32B530
    • B32B27/36B32B15/09B32B27/08B32B27/20B32B2367/00B32B2439/66Y10T428/24355Y10T428/2495Y10T428/25Y10T428/259Y10T428/31681Y10T428/31786
    • The invented film comprises a layer A composed of a copolyester A, a layer B composed of a copolyester B, and a layer C composed of copolyester C. Layer A is laminated to one side of the layer B. Layer C is laminated to the other side of Layer B. Copolyester A contains 0-15 wt % of rutile titanium oxide (average particle diameter 0.1-0.5 &mgr;m). Copolyester B contains 10-50 wt % of the rutile titanium oxide. Copolyester C contains 0-15 wt % of the rutile titanium oxide. Each of Copolyester A, B, and C has a melting point of 210-245° C. The intrinsic viscosity (&eegr;A) of the polymer part of copolyester A, the intrinsic viscosity (&eegr;B) of the polymer part of copolyester B, and the intrinsic viscosity (&eegr;C) of the polymer part of copolyester C satisfy the following relationship. 0.46≦&eegr;B≦0.66, |&eegr;A-&eegr;B|
    • 本发明的薄膜包括由共聚酯A,由共聚聚酯B构成的层B和由共聚聚酯C组成的层C构成的层A.层A层叠在层B的一侧。层C层压到另一层 B层。共聚酯A含有0-15重量%的金红石型氧化钛(平均粒径0.1-0.5μm)。 共聚酯B含有10-50重量%的金红石氧化钛。 共聚酯C含有0-15重量%的金红石氧化钛。 共聚酯A,B和C的共聚物的熔点为210-245℃。共聚酯A的聚合物部分的特性粘度(ηaA),共聚酯B的聚合物部分的特性粘度(etaB) 共聚聚酯C的聚合物部分的特性粘度(η)满足以下关系。 0.46 <= etaB = 0.66,| etaA-etaB | <0.15,| etaC-etaB | <0.15和| etaA-etaC | <0.15。 整个层叠膜的表观密度(rho)与计算出的密度(rho0)的比例满足以下公式:0.75 <= rho / rho0 <= 1.00。 计算出的密度(rho0)由各共聚酯的聚合物部分的密度,金红石型氧化钛的密度,各层的厚度,各共聚酯中的金红石型氧化钛的浓度以及共聚酯层的数量来计算。
    • 4. 发明授权
    • Biaxially oriented polyester film to be laminated onto metal plate and molded
    • 将双轴取向的聚酯薄膜层压在金属板上并成型
    • US06472046B1
    • 2002-10-29
    • US09367593
    • 1999-08-18
    • Koji KuboHirofumi MurookaMasahiko KosugeHideshi Kurihara
    • Koji KuboHirofumi MurookaMasahiko KosugeHideshi Kurihara
    • B32B516
    • B32B15/09B29C55/12B32B15/08B32B27/20B32B27/36B32B38/12B32B2307/518B32B2367/00B32B2439/66C08J5/18C08J2367/02Y10S428/91Y10T156/1036Y10T156/1038Y10T156/1043Y10T156/1048Y10T428/24355Y10T428/249981Y10T428/25Y10T428/259Y10T428/31681Y10T428/31786
    • A biaxially oriented polyester film to be laminated onto a metal plate and molded, (A) which comprises a copolyester comprising (a) terephthalic acid in an amount of 82 to 100 mol % and 2,6-naphthalenedicarboxylic acid or a combination of 2,6-naphthalenedicarboxylic acid and other dicarboxylic acid in an amount of 0 to 18 mol % of the total of all dicarboxylic acid components and (b) ethylene glycol in an amount of 82 to 100 mol % and cyclohexanedimethanol or a combination of cyclohexanedimethanol and other diol in an amount of 0 to 18 mol % of the total of all diol components, having (c) a glass transition temperature of 78° C. or more and (d) a melting point of 210 to 250° C., and containing (e) porous silica particles with a pore volume of 0.5 to 2.0 ml/g which are agglomerates of primary particles having an average particle diameter of 0.001 to 0.1 &mgr;m; and (B) which has the following relationship between the highest peak temperature (Te, °C.) of loss elastic modulus and the glass transition temperature (Tg, °C.): Te−Tg≦30. This film has improved taste-and-flavor retainabilities, particularly taste and flavor retainabilities after a retort treatment, without losing the excellent moldability, heat resistance, impact resistance and retort resistance of a copolyester film.
    • 将层压在金属板上并成型的双轴取向聚酯膜(A),其包含共聚酯,该共聚酯包含(a)82〜100摩尔%的对苯二甲酸和2,6-萘二羧酸或2〜 (b)82〜100摩尔%的乙二醇和环己烷二甲醇或环己烷二甲醇与其他二醇的组合的量为0〜18摩尔%的二羧酸和6-萘二羧酸 (c)玻璃化转变温度为78℃以上,(d)熔点为210〜250℃,含有( e)孔体积为0.5〜2.0ml / g的多孔二氧化硅粒子,其为平均粒径为0.001〜0.1μm的一次粒子的凝聚体; 和(B),其在损耗弹性模量的最高峰值温度(Te,℃)与玻璃化转变温度(Tg,℃)之间具有以下关系:Te-Tg <= 30。 该膜具有改善的口味和味道保留性,特别是在蒸煮处理后的味道和风味保持性,而不失去共聚聚酯薄膜的优异成型性,耐热性,耐冲击性和耐蒸煮性。
    • 8. 发明授权
    • Biaxially oriented polyester film for use in thermosensitive stencil printing base sheet
    • 用于热敏蜡纸印刷底片的双轴取向聚酯薄膜
    • US06316096B1
    • 2001-11-13
    • US09555368
    • 2000-05-30
    • Tetsuo YoshidaHirofumi Murooka
    • Tetsuo YoshidaHirofumi Murooka
    • B32B2720
    • C08J5/18B29D7/01B29K2067/00B41N1/24B41N1/245C08J2367/02Y10S428/91Y10T428/259Y10T428/268Y10T428/31786
    • A biaxially oriented polyester film: (A) which comprises a composition comprising at least two thermoplastic polyesters; (B) which has at least two melting peaks which satisfy difference between being in range of 5 to 20° C. and average of the both melting peak temperature being in range of 200 to 230° C. when measured by DSC at a temperature elevation rate of 2° C./min by superimposing a periodic temperature variation of ±1° C./min; the highest melting peak temperature (° C.) and the lowest melting peak temperature (° C.); (C) which has on the film plane two crossing directions having a thermal shrinkage factor at 100° C. for 10 minutes of 16 to 25%; and (D) which has a thickness of 0.2 to 7 &mgr;m. This film is suitable for use in a thermosensitive stencil printing base sheet which enables clear character printing and solid printing, is free from nonuniformity in printing thickness, nonuniformity in printing density and wrinkles, and excellent in durability, and has high perforation sensitivity.
    • 一种双轴取向聚酯膜:(A),其包含包含至少两种热塑性聚酯的组合物;(B)其具有至少两个满足5至20℃范围内的差异的熔融峰和两种熔融的平均值 峰值温度在200〜230℃的范围内,当通过DSC以2℃/分钟的升温速度测量时,通过叠加±1℃/分钟的周期性温度变化;最高熔融峰温度(° C)和最低熔融峰温度(℃);(C)在膜平面上具有热收缩率在100℃下10分钟的两个交叉方向为16至25%; 和(D),其厚度为0.2至7μm。该膜适用于热敏蜡纸印刷基片,其能够进行清晰的字符印刷和实心印刷,印刷厚度不均匀,印刷密度不均匀和皱纹不均匀 ,耐久性优异,穿孔灵敏度高。