| 摘要 |
<p>1508652 Corona-treated polymer bodies UNION CARBIDE CORP 27 March 1975 40279/77 Divided out of 1508651 Heading C3L Polymer bodies are subjected to a corona discharge at an energy density-to-film surface of at least 118 watt-minutes/ft.<2> to render the surface more receptive to adhesives. The polymer body is preferably a polyethylene, polypropylene or polyvinyl chloride film.</p> |
