| 摘要 |
An aq. polyester resin is used as a binding agent of mat layer, where a matting material such as CaCO3, SiO2, Al2O3 and TiO2 pretreated with a titanateous coupling agent is added or a small quantity of coupling agent is added to the mixed solution of an aq. polyester and the matting material for preventing running of ink on mat film at both parts of start and end of draft line and for the preventing adhesion of films owing to tacky property of aq. polymer. The quantity of titanteous coupling agent in application soln. for mat layer is 0.01-5 wt.% on the basis of matting material.
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