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    • 4. 发明授权
    • Stretched polyester film from a polymer blend
    • 由聚合物共混物制成的拉伸聚酯膜
    • US4070417A
    • 1978-01-24
    • US642184
    • 1975-12-18
    • Tsutomu IsakaHiroshi NaganoTetsushi MurakamiKoichi MatsunamiYukio Yamane
    • Tsutomu IsakaHiroshi NaganoTetsushi MurakamiKoichi MatsunamiYukio Yamane
    • C08L67/00B29C49/00B29C55/00B29C55/02B32B27/32B32B27/36B41M1/30B65D33/00C08J5/18C08L67/02
    • C08L67/02B32B27/36B41M1/30C08L67/025
    • A transparent polyester film having excellent printability, flexing resistance and pinhole resistance and further excellent interlaminar strength, which is made from a polymer mixture or blend comprising (i) a polyester consisting essentially of a residue of dibasic acids wherein at least 80 % by mol is terephthalic acid and a residue of at least one glycol and (ii) a block copolyester consisting of a crystalline polyester (hard) segment having a high melting point and a soft polymer segment having a low melting point and a number average molecular weight of 400 to 8,000, said soft polymer segment having a low melting point being contained in an amount of 0.5 to 10 % by weight on the basis of the whole weight of the polymer mixture or blend, and said crystalline polyester segment having a melting point of at least 170.degree. C when a polymer is produced by the monomers composing the segment alone and said soft polymer segment having a melting or softening point of 100.degree. C or lower.
    • 一种由聚合物混合物或共混物制成的具有优异的可印刷性,抗弯曲性和针孔抗性以及更好的层间强度的透明聚酯薄膜,其包含(i)基本上由二元酸残基组成的聚酯,其中至少80摩尔% 对苯二甲酸和至少一种二醇的残基和(ii)由具有高熔点的结晶聚酯(硬)链段和软聚合物链段组成的嵌段共聚酯,所述软聚合物链段具有低熔点和数均分子量为400至 8,000,所述具有低熔点的所述软聚合物链段以基于聚合物混合物或共混物的全部重量的0.5至10重量%的量包含,并且所述结晶聚酯链段的熔点为至少170 当聚合物由单独构成段的单体和所述软聚合物链段的熔点或软化点为100℃或更低时产生时。
    • 5. 发明授权
    • Production of polyester shaped product
    • 生产聚酯成型产品
    • US4717516A
    • 1988-01-05
    • US824305
    • 1986-01-30
    • Tsutomu IsakaHiroshi Nagano
    • Tsutomu IsakaHiroshi Nagano
    • B29C59/12C08L67/02B32B31/28
    • C08J7/123B29C59/12B29K2067/00C08J2367/02
    • A process for enhancing the adhesion of the surface of a shaped product made of a polyester composition which comprises applying corona discharge to the surface under the continuous movement between an electrode for discharge and another electrode opposite thereto while jetting a gaseous material containing oxygen in an amount of not more than 20% by volume onto the part of said surface to which corona discharge is applied so as to achieve the following relationships among oxygen indexes and nitrogen indexes before and after the application of corona discharge:-3.5.ltoreq.(Oi'-Oi)/(Ni'-Ni).ltoreq.1.5 (1)3.ltoreq.Ni' (2)wherein Oi and Oi' are respectively the oxygen indexes before and after the application of corona discharge and Ni and Ni' are respectively the nitrogen indexes before and after the application of corona discharge.
    • 一种用于增强由聚酯组合物制成的成形产品的表面的附着力的方法,该方法包括在用于放电的电极与另一个与之相对的电极之间的连续运动下向表面施加电晕放电,同时喷射含有氧的气态材料 在施加电晕放电的所述表面的一部分上不超过20体积%,以便在施加电晕放电之前和之后达到以下氧指数和氮指数之间的关系:-3.5(Oi' -Oi)/(Ni'-Ni)
    • 6. 发明授权
    • Production of polyolefin shaped product
    • 生产聚烯烃成型产品
    • US4563316A
    • 1986-01-07
    • US540144
    • 1983-10-07
    • Tsutomu IsakaHiroshi Nagano
    • Tsutomu IsakaHiroshi Nagano
    • B29C59/12C08J
    • C08J7/123B29C59/12C08J2323/02
    • A process for enhancing the adhesion of the surface of a polyolefin shaped product which comprises applying corona discharge the said surface under the continuous movement between an electrode for discharge and another electrode opposite thereto while jetting a gaseous material other than the air itself onto the part of the said surface to which corona discharge is applied so as to achieve the following relationships among the carbon atoms, the nitrogen atoms and the oxygen atoms present within 100 .ANG. from the said surface:(a) -3.5.ltoreq.([O]/[C]-[O']/[C'])/([N]/[C]-[N']/[C']).ltoreq.1.8(b) 3.0.ltoreq.[N']/[C']wherein [C], [N] and [O] are respectively the numbers of the carbon atoms, the nitrogen atoms and the oxygen atoms within 100 .ANG. from the said surface before the application and [C'], [N'] and [O'] are respectively the numbers of the carbon atoms, the nitrogen atoms and the oxygen atoms within 100 .ANG. from the said surface after the application, the number of the carbon atoms being always taken as 100.
    • 一种用于增强聚烯烃成型产品的表面的粘合性的方法,其包括在喷射电极与另一电极相对的电极之间连续运动时,将所述表面施加电晕放电,同时将除空气本身之外的气体材料喷射到 施加电晕放电的所述表面,以便在所述表面上在100范围内实现碳原子,氮原子和氧原子之间的以下关系:(a)-3.5 =([O] / [C] - [O'] / [C'])/([N] / [C] - [N'] / [C'])