D - Textiles – Paper – 04 – H
Patent
D - Textiles, Paper
04
H
154/115, 18/507
D04H 1/56 (2006.01) D04H 1/54 (2006.01)
Patent
CA 1290517
NONWOVEN FABRIC WITH IMPROVED ABRASION RESISTANCE ABSTRACT A melt-blown microfiber fabric having improved surface abrasion resistance is disclosed, having a surface veneer of melt-blown fibers with an average fiber diameter of greater than 8 microns and in which 75% of the fibers has a fiber diameter of at least 7 microns and a wet and dry abrasion resistance of greater than 15 cycles to pill. The method of producing the melt-blown microfiber fabric having improved abrasion resistance comprises forming at least one core web of thermoplastic melt-blown microfibers having a greater than 0.8N per gram per square meter tensile strength to weight ratio, a minimum Elmendorf tear strength, and a specific basis weight of 14 grams per square meter to 85 grams per square meter. At least one unreinforced surface veneer web of melt-blown thermoplastic fibers is formed on the core web. The veneer web has a high initial autogenous bonding and a greater than 8 microns average fiber diameter. The veneer web also has a 3 grams per square meter to 10 grams per square meter basis weight range and a wet and dry surface abrasion resistance greater than 15 cycles to pill. The veneer web is directly contiguous to the at least one core web.
519563
Ogilvy Renault
Surgikos
LandOfFree
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