B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 5/16 (2006.01) A61F 13/15 (2006.01) A61L 15/18 (2006.01) A61L 15/20 (2006.01) A61L 15/32 (2006.01) A61L 15/46 (2006.01) B01J 20/32 (2006.01) B32B 5/12 (2006.01) B32B 5/26 (2006.01) D06M 11/48 (2006.01) D06M 11/74 (2006.01) D06M 11/76 (2006.01) D06M 11/79 (2006.01) D06M 13/46 (2006.01) D06M 15/15 (2006.01) D06M 15/227 (2006.01) D06M 15/333 (2006.01) D06M 16/00 (2006.01) D06M 23/08 (2006.01) D06N 3/00 (2006.01) D06N 3/04 (2006.01) D21H 21/36 (2006.01) D21H 27/08 (2006.01) D21H 23/64 (2006.01)
Patent
CA 2379916
One or more particulate active agents are fused to the surface of a substrate web by mixing the particulate agents with a particulate binder having a particle size not exceeding an average diameter of approximately 40 microns and coating the composite mixture onto the surface of the substrate, wherein any of the web, particulate agent or binder are coated with a bactericide to control or eliminate bacteria. Thereafter, the coated substrate is heated to a temperature equal to or greater than the Vicat softening temperature of the binder and compressed within the nip of a pair of pressure rolls to achieve fusion. If desired, a top layer may be placed upon the coated composite prior to the compression step.
On fait fondre sur la surface d'une bande substrat un ou plusieurs agents actifs particulaires après les avoir mélangés à un liant particulaire dont la taille des particules n'excède pas un diamètre moyen d'environ 40 micromètres, puis l'on enduit de ce mélange composite la surface du substrat. La bande, l'agent particulaire ou le liant, sont revêtus d'un agent bactéricide permettant de lutter contre les bactéries ou de les détruire. Le substrat revêtu est ensuite chauffé à une température supérieure ou égale au point Vicat du liant, puis pressé dans la pince de deux rouleaux de pression pour achever la fusion. Il est possible, le cas échéant, de déposer une couche supérieure sur le composite revêtu avant l'opération de pressage.
Kendrick Richard D.
Koslow Evan E.
Spilkin Gordon
Koslow Technologies Corporation
Kx Technologies Llc
Sim & Mcburney
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