发明授权
US4938998A Process for treating the surface of a plastic article 失效
处理塑料制品表面的方法

  • 专利标题: Process for treating the surface of a plastic article
  • 专利标题(中): 处理塑料制品表面的方法
  • 申请号: US898307
    申请日: 1986-08-20
  • 公开(公告)号: US4938998A
    公开(公告)日: 1990-07-03
  • 发明人: Juergen Stock
  • 申请人: Juergen Stock
  • 专利权人: Juergen Stock
  • 当前专利权人: Juergen Stock
  • 优先权: DEX3530366 19850824
  • 主分类号: B05D7/02
  • IPC分类号: B05D7/02 B05D7/24 C08J7/04
Process for treating the surface of a plastic article
摘要:
A plastic article, especially of polypropylene or polyethylene, can be rendered resistant to diffusion of motor fuel vapors or the like and/or prepared for surface-coating by applying a film of a naturally-occurring, enzymatically-functionalized cellulose derivative having a functional phosphate, sulfate, carbonate or amino group.
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