Porous polymeric material containing a reinforcing and...

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B01J 20/26 (2006.01) A47L 13/17 (2006.01) A61L 9/04 (2006.01) A61L 15/24 (2006.01) A61L 15/26 (2006.01) B32B 27/00 (2006.01) B32B 27/08 (2006.01) C08J 9/00 (2006.01) C08J 9/28 (2006.01) C11D 17/04 (2006.01)

Patent

CA 1222097

ABSTRACT A highly porous polymeric material which may be dry or contain an included liquid, for example, a cleaning composition, is reinforced and rendered heat-sealable by the incorporation of thermoplastic fibrous, particulate or foraminous material. The polymeric material is preferably a styrene homo- or copolymer prepared by polymerisation of a high-internal-phase emulsion. Sheets of the porous polymer may be sandwiched between two liquid-permeable substrate layers to form a wiping cloth or the like.

441645

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