C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
134/4
C11D 17/04 (2006.01) C11D 3/395 (2006.01) C11D 3/48 (2006.01)
Patent
CA 1337390
The present invention relates to a tissue suitable for use in the disinfection of hard surfaces, instruments and human or animal skin or as a sheet inclusion in a washing process for the purpose of disinfection or bleaching. The tissue comprises first and second substrate layers which are bonded together with an adhesive polymer. This polymer also retains solid particles between the layers, which particles, when dampened with a suitable liquid, become active and release chlorine. Preferably, the adhesive polymer comprises either a copolyester, copolyamide or polyethylene hot melt adhesive powder or an ethylene vinyl acetate (EVA) or modified EVA hot melt adhesive powder with a particle size between 0 and 750 microns inclusive. Preferably also, the chlorine release agent comprises sodium dichloroisocyanurate dihydrate which is mixed with the adhesive polymer and applied between the substrate layers in coating weights between 2 and 35 grams per square metre inclusive to yield active solutions of between 10 and 10,000 parts per million available chlorine when the tissue is dampened with water.
608245
Gowling Lafleur Henderson Llp
Pal International Limited
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