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    • 4. 发明授权
    • Laminated metal plate for drawn can, and drawn can prepared therefrom
    • 层压金属板,可以制作,可以制作
    • US5137762A
    • 1992-08-11
    • US584022
    • 1990-09-18
    • Masanori AizawaKatsuhiro ImazuTetsuo MiyazawaNobuyuki Satoh
    • Masanori AizawaKatsuhiro ImazuTetsuo MiyazawaNobuyuki Satoh
    • B65D1/12B21D22/20B32B15/08B32B15/09B65D1/28C08J5/12C08J7/04C09J163/00
    • C08J7/047B32B15/08B65D1/28C08J5/125C09J163/00C08J2367/02C08J2463/00Y10T428/1355Y10T428/31515Y10T428/31529Y10T428/31681Y10T428/31786Y10T428/31797
    • Disclosed is a laminated metal plate for a drawn can, which comprises a laminate comprising a base metal, a layer of a film of a polyester composed mainly of ethylene terephthalate units and, if desried, an adhesive primer layer interposed between the base metal and the polyester film layer, wherein the X-ray diffraction intensity ratio, defined by the following formula (I), of the polyester film layer is in the range of from 0.5 to 15:R.sub.X =I.sub.A /I.sub.B (I)wherein R.sub.X represents the X-ray diffraction intensity ratio, I.sub.A represents the X-ray diffraction intensity by the diffraction plane parallel to the surface of the polyester film, which has a spacing of about 0.34 nm (CuK.alpha. X-ray diffraction angle is 24.degree. to 28.degree.), and I.sub.B represents the X-ray diffraction intensity by the diffraction plane parallel to the polyester film surface, which has a spacing of about 0.39 nm (CuK.alpha. X-ray diffraction angle is 21.5.degree. to 24.degree. ).and the in-plane anisotropy index of the crystal of the film layer is less than 30.When this laminated metal plate is subjected to the drawing, cracking or formation of pinholes is prevented, and the laminated metal plate shows excellent formability and corrosion resistance. An excellent drawn can is prepared from this laminated metal plate.
    • 公开了一种用于拉制罐的层压金属板,其包括层压体,其包含基体金属,主要由对苯二甲酸乙二醇酯单元组成的聚酯膜层,如果需要,则介于基体金属和基体金属之间的粘合底漆层 聚酯薄膜层,其中聚酯薄膜层由下式(I)定义的X射线衍射强度比在0.5至15的范围内:RX = IA / IB(I)其中RX表示X 射线衍射强度比,IA表示平行于聚酯膜的表面的衍射面的X射线衍射强度,其间隔为约0.34nm(CuKαX射线衍射角为24°至28°) ,IB表示与聚酯膜表面平行的衍射面的X射线衍射强度,其间隔为约0.39nm(CuKαX射线衍射角为21.5°〜24°)。 并且膜层的晶体的面内各向异性指数小于30.当该层压金属板经受拉伸时,防止了针孔的开裂或形成,并且层压金属板显示出优异的成形性和耐腐蚀性。 从该层压金属板制备出优良的拉伸罐。