| 摘要 |
<p>Method and composition for improving lubricity, abrasion resistance, and lowering the coefficient friction of substrates such as photographic film, magnetic surfaces and other recording elements by applying to such substrates a solution comprising tetrafluoroethylene telomer and a copolymer of vinyl chloride and trifluorochloroethylene in a volatile solvent, drying and removing the excess, and substrates so lubricated.</p> |
