Microbistatic and deodorizing cellulose fibers
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United States of America Patent
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Jan 5, 1999
Grant Date -
N/A
app pub date -
Apr 22, 1996
filing date -
Apr 28, 1995
priority date (Note) -
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Abstract
Cellulose fibers and products comprising such fibers treated to absorb body secretions and to substantially decrease microbial growth, said fibers being chemically treated with a water soluble salt of a transition metal and an alkali and after this with a solution of a bisbiguanide compound, forming a bond between the fibers, the transition metal and the bisbiguanide. Preferred are water-soluble cupric salts as a suitable hydroxide. A preferred bisbiguanide is chlorhexidine. The products can be yarns, knitted, woven, non-woven fabrics, paper gauze and especially bandages, wound dressings, pads, diapers, sanitary napkins, tampons, bed sheets, pants, garments, towels, socks, shoe linings and underwear. Preferably between 0.1 to 3.0 weight per cent copper calculated on the cellulose is bonded to the cellulose.
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