摘要 |
There is disclosed a finishing process for preparing a bonded, nonwoven, polyethylene, film-fibril sheet having high delamination strength and uniformity of appearance comprising selecting a particular starting sheet which is lightly consolidated, embossing the lightly consolidated sheet in a particular manner, passing the resulting sheet, under restraint, through a heating zone to cause a specified amount of fusion of surface film-fibrils, and heat treating the other surface of the sheet similarly to obtain a bonded sheet having a specified opacity.
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