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    • 1. 发明授权
    • Polylactic acid film
    • 聚乳酸薄膜
    • US08748543B2
    • 2014-06-10
    • US13119671
    • 2009-09-29
    • Shigeyoshi MasudaKohei EndoKinji Hasegawa
    • Shigeyoshi MasudaKohei EndoKinji Hasegawa
    • C08G63/91
    • C08J5/18C08J2367/04C08L67/04C08L2205/02G02F1/13363C08L2666/18
    • The polylactic acid film is obtained by melt extruding polylactic acid (A) prepared by melt kneading together polylactic acid (B) which comprises an L-lactic acid unit as the main ingredient and polylactic acid (C) which comprises a D-lactic acid unit as the main ingredient in a specific weight ratio, wherein the polylactic acid film has: (a) a stereocomplex crystal rate (S) defined by the following equation (i) of 90% or more: S={(ΔHmsc/(ΔHmsc+ΔHmh)}×100  (i) (in the above equation, ΔHmh is the melting enthalpy of a low-melting point crystal melting peak at a temperature lower than 190° C. obtained by differential scanning calorimeter (DSC) measurement and ΔHmsc is the melting enthalpy of a high-melting point crystal melting peak at a temperature of 190° C. or higher obtained by DSC measurement), (b) a haze of 10% or less, and (c) a haze change of 5% or less after it is heated at 140° C. for 10 minutes.
    • 通过熔融挤出通过熔融捏合聚乳酸(A)得到的聚乳酸薄膜,其中聚乳酸(A)是以包含L-乳酸单元为主要成分的聚乳酸(B)和包含D-乳酸单元的聚乳酸(C) 作为主成分,其中聚乳酸膜具有:(a)由下式(i)定义的立体络合物结晶速率(S)为90%以上:S = {(&Dgr; Hmsc /( &Dgr; Hmsc +&Dgr; Hmh)}×100(i)(在上式中,&Dgr; Hmh是通过差示扫描量热计获得的低于190℃的低熔点晶体熔融峰的熔融焓 (DSC)测定和&Dgr Hmsc是通过DSC测定得到的温度为190℃以上的高熔点结晶熔融峰的熔融焓),(b)10%以下的雾度和( c)在140℃加热10分钟后,雾度变化为5%以下。
    • 2. 发明申请
    • POLYLACTIC ACID FILM
    • 聚酰胺薄膜
    • US20110224342A1
    • 2011-09-15
    • US13119671
    • 2009-09-29
    • Shigeyoshi MasudaKohei EndoKinji Hasegawa
    • Shigeyoshi MasudaKohei EndoKinji Hasegawa
    • C08L67/04C08K5/521B29C55/12
    • C08J5/18C08J2367/04C08L67/04C08L2205/02G02F1/13363C08L2666/18
    • The polylactic acid film is obtained by melt extruding polylactic acid (A) prepared by melt kneading together polylactic acid (B) which comprises an L-lactic acid unit as the main ingredient and polylactic acid (C) which comprises a D-lactic acid unit as the main ingredient in a specific weight ratio, wherein the polylactic acid film has: (a) a stereocomplex crystal rate (S) defined by the following equation (i) of 90% or more: S={(ΔHmsc/(ΔHmsc+ΔHmh)}×100  (i) (in the above equation, ΔHmh is the melting enthalpy of a low-melting point crystal melting peak at a temperature lower than 190° C. obtained by differential scanning calorimeter (DSC) measurement and ΔHmsc is the melting enthalpy of a high-melting point crystal melting peak at a temperature of 190° C. or higher obtained by DSC measurement), (b) a haze of 10% or less, and (c) a haze change of 5% or less after it is heated at 140° C. for 10 minutes.
    • 通过熔融挤出通过熔融捏合聚乳酸(A)而得到的聚乳酸薄膜,该聚乳酸(A)通过以包含L-乳酸单元为主要成分的聚乳酸(B)和包含D-乳酸单元的聚乳酸 作为主要成分,其中聚乳酸膜具有:(a)由下式(i)定义的立体络合物结晶速率(S)为90%以上:S = {(&Dgr; Hmsc /( &Dgr; Hmsc +&Dgr; Hmh)}×100(i)(在上式中,&Dgr; Hmh是通过差示扫描量热计获得的低于190℃的低熔点晶体熔融峰的熔融焓 (DSC)测定和&Dgr Hmsc是通过DSC测定得到的温度为190℃以上的高熔点结晶熔融峰的熔融焓),(b)10%以下的雾度和( c)在140℃加热10分钟后,雾度变化为5%以下。
    • 9. 发明授权
    • Biaxially oriented polyester film for lamination onto metal sheet
    • 用于层压在金属板上的双轴取向聚酯膜
    • US5686510A
    • 1997-11-11
    • US339876
    • 1994-11-10
    • Takeo AsaiKinji HasegawaMitsumasa Ono
    • Takeo AsaiKinji HasegawaMitsumasa Ono
    • B29C55/12B29K67/00B29L7/00B32B15/08B32B15/09B32B27/36C08J5/18C08K3/00C08K3/22C08K3/36C08L67/00C08L67/02B32B27/06
    • C08J5/18B32B15/08B32B27/36C08K3/22C08K3/36C08J2367/02Y10T428/1355Y10T428/31681Y10T428/31786
    • A biaxially oriented polyester film made of a polyester composition, (A) which polyester composition comprises (a) an aromatic copolyester having a melting point of 210-245.degree. C., (b) first inert fine solid particles having an average particle diameter of 0.05 to 0.6 .mu.m, and (c) second inert fine solid particles having an average particle diameter of 0.3 to 2.5 .mu.m, the ratio of the average particle diameter of the second inert fine solid particles to the average particle diameter of the first inert fine solid particles being at least 2.5, and the amounts of the components (b) and (c) being 0.01 to 3% by weight and 0.001 to 0.2% by weight, respectively, based on the total weight of the components (a), (b) and (c); (B) which polyester film has a plane orientation coefficient of 0.08 to 0.16; and, (C) which polyester film shows excellent moldability when laminated onto a metal sheet and subjected to deep drawing. A can for drinks, foods, etc. having excellent heat resistance and flavor-retaining property can be produced from a metal sheet onto which the above biaxially oriented polyester film is laminated.
    • 一种由聚酯组合物制成的双轴取向聚酯膜,(A)该聚酯组合物包含(a)熔点为210-245℃的芳族共聚酯,(b)平均粒径为 0.05〜0.6μm,和(c)平均粒径为0.3〜2.5μm的第二惰性细粒固体颗粒,第二惰性微粒固体颗粒的平均粒径与第一惰性微粒固体颗粒的平均粒径之比 细固体颗粒为至少2.5,并且组分(b)和(c)的量分别为基于组分(a)的总重量的0.01至3重量%和0.001至0.2重量% (b)和(c); (B)该聚酯薄膜的平面取向系数为0.08〜0.16; 和(C)当层压到金属片上并进行深冲压时,该聚酯膜显示出优异的成型性。 可以由层叠上述双轴取向聚酯膜的金属板制造具有优异的耐热性和香味保持性的饮料,食品等的罐。
    • 10. 发明授权
    • Biaxially oriented polyester film
    • 双轴取向聚酯薄膜
    • US4818581A
    • 1989-04-04
    • US89571
    • 1987-08-26
    • Hideo KatohHisashi HamanoKinji HasegawaYoshihiro Noumi
    • Hideo KatohHisashi HamanoKinji HasegawaYoshihiro Noumi
    • C08J5/18C08K3/36B32B27/00
    • C08J5/18C08K3/36C08J2367/02Y10S428/90Y10T428/24372Y10T428/2982Y10T428/31786
    • A biaxially oriented polyester film formed from an intimate mixture comprising (1) an aromatic polyester, and (2) 0.01 to 4% by weight, based on the aromatic polyester, of spherical fine particles of silica having (a) an average particle diameter of 0.05 to 4 .mu.m, (b) a particle diameter ratio, defined by the ratio of maximum diameter of minimum diameter, of from 1.0 to 1.2, and (c) a relative standard deviation (.sigma.) of particle size, of up to 0.5. A biaxially oriented polyester film formed from an intimate mixture comprising (1) an aromatic polyester, (2) 0.005 to 3% by weight, based on the aromatic polyester, of spherical fine particles of silica having the same properties as the above-mentioned (a), (b) and (c), and (3) 0.005 to 3% by weight, based on the aromatic polyester, of inert fine particles having an average particle diameter of 0.01 to 3 .mu.m and not exceeding the average particle diameter of the spherical fine particles of silica. The biaxially oriented films are useful for a magnetic recording medium.
    • 一种由包含(1)芳族聚酯和(2)基于芳族聚酯的0.01至4重量%的二氧化硅球形细颗粒形成的双轴取向聚酯膜,其具有(a)平均粒径为 0.05至4μm,(b)由最小直径的最大直径的比定义的粒径比为1.0至1.2,和(c)粒径的相对标准偏差(sigma)至多0.5 。 一种由紧密混合物形成的双轴取向聚酯膜,其包含(1)芳族聚酯,(2)0.005至3重量%的基于芳族聚酯的球形二氧化硅微粒,其具有与上述( a),(b)和(c),(3)0.005〜3重量%的芳族聚酯,平均粒径为0.01〜3μm的惰性微粒,不超过平均粒径 的二氧化硅球形细颗粒。 双轴取向膜可用于磁记录介质。