D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 13/14 (2006.01) A47L 9/14 (2006.01)
Patent
CA 2148682
2148682 9411574 PCTABS00032 A process for producing high grade polyethylene paper on conventional continuous wet-lay papermaking equipment. In particular, the process comprises preparing a furnish of 75-99 wt. % oriented polyethylene pulp, 0.5-15 wt. % fibrous stabilizing agent and 0.5-10 wt. % strengthening agent and depositing the furnish on the forming screen of a conventional wet-lay papermaking machine. The resulting waterleaf sheet is dried on heated drying cans and then thermally bonded to provide a high grade polyethylene paper having high dry strength and toughness, exceptional dimensional stability and superior uniformity (i.e., no holes). The high grade polyethylene paper made by the inventive process is particularly useful in microfiltration end-uses such as vacuum cleaner bags.
Evans Robert John
Kinsley Homan Benjamin Jr.
Kochar Gurvinder Pal Sing
Lee Chi Chang
Martin Karl Matthew
Bennett Jones Llp
E.i. Du Pont de Nemours And Company
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