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    • 1. 发明专利
    • Polylactic acid molding with vapor deposition film and its production process
    • 具有蒸发沉积膜的聚酯酸成型及其生产工艺
    • JP2013193336A
    • 2013-09-30
    • JP2012063241
    • 2012-03-21
    • Toyo Seikan Co Ltd東洋製罐株式会社
    • ITO TAKUROOZAWA SATOMIKITO SATOSHIYAMAZAKI KAZUHIKO
    • B32B27/36B65D23/08B65D65/46C23C16/27
    • B65D23/0807B05D1/62B05D7/04B05D7/50B05D2490/50B65D1/0215B65D23/02B65D65/466C08J7/123C08J2367/04C23C16/26C23C16/27C23C16/511Y02W90/12Y10T428/1379Y10T428/24975Y10T428/31786
    • PROBLEM TO BE SOLVED: To provide a polylactic acid molding capable of fully exerting characteristics of a hydrocarbon based vapor deposition film, by forming the hydrocarbon based vapor deposition film with a series of consecutive plasma CVD (chemical vapor deposition) process without switch-over of reaction gasses, causing no thermal deformation or thermal deterioration of the polylactic acid substrate, and allowing a high adhesion to the polylactic acid substrate.SOLUTION: A polylactic acid molding consists of a polylactic acid substrate 1, and a hydrocarbon based vapor deposition film 3 formed on the substrate surface by the plasma CVD process. The polylactic acid substrate 1 exhibits a sharp X-ray diffraction peak of 1.22° or lower in the peak half value width that appears in a wide angle X-ray measurement of 10°-25°. The hydrocarbon based vapor deposition film 3 is formed on the surface of polylactic acid substrate 1 and has two layers of a high CHlayer 3a which is 40% or higher in CHratio per sum total of CH, CHand CH, and a low CHlayer 3b which is formed on the high CHlayer 3a and is 35% or lower in CHratio per sum total of CH, CHand CH.
    • 要解决的问题:为了提供能够充分发挥烃类蒸镀膜的特性的聚乳酸成型体,通过用一系列连续的等离子体CVD(化学气相沉积)方法形成烃系蒸镀膜而不切换 反应气体,不会引起聚乳酸基材的热变形或热劣化,并且能够对聚乳酸基材具有高粘附性。溶液:聚乳酸成型体由聚乳酸基材1和形成的烃系蒸镀膜3 通过等离子体CVD工艺在衬底表面上。 聚乳酸基材1在10°-25°的广角X射线测定中出现峰值半值宽度中的锐度X射线衍射峰为1.22°以下。 烃基蒸镀膜3形成在聚乳酸基板1的表面上,并且具有两层高CH层3a,其CHCH,CH和CH总和的CH比例为40%以上,低CH层3b为 形成在高CH层3a上,并且CH / CH和CH总和的CH比例为35%以下。