Treated non-woven material

Details Treated non-woven material Treated non-woven material

A - Human Necessities

61

L

28/53, 167/1.5

A61L 15/00 (2006.01) A01N 47/44 (2006.01) A61L 15/20 (2006.01)

Patent

CA 1234043

ABSTRACT There is disclosed a non-woven material having a superficial coating of a linear polymeric biguanide in which the recurring unit is of the formula Image I wherein X and Y, which may be the same or different, represent bridging groups in which the total number of carbon atoms in X and Y taken together, directly interposed between the pairs of nitrogen atoms linked thereby, is from 10 to 16, or the salt thereof with an acid. Preferably the polymeric biguanide is polyhexamethylene biguanide dihydrochloride. The material is useful in the form of an article designed for the collection of human body emissions, more particularly disposable nappies, to avoid bacterial activity.

489629

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