RETICULATE POLYPROPYLENE FIBERS, PROCESS FOR THEIR PRODUCTION, AND RETICULATE FIBER NONWOVEN FABRIC
A soln. of isotactic polypropylene in a specific solvent (trichlorofluoromethane) having a pressure higher than an extinction-initiating pressure (LIE) is introduced into a vacuum chamber at a pressure of not lower than the extinction-finishing pressure (LEE), and the chamber is kept at 198-220 deg....
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Main Authors | , |
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Format | Patent |
Language | English French German |
Published |
20.07.1994
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Edition | 5 |
Subjects | |
Online Access | Get full text |
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