Extruded poly(ethylene oxide) and filler composites and...

C - Chemistry – Metallurgy – 08 – J

Patent

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Details

C08J 5/18 (2006.01) A61L 15/62 (2006.01) B32B 27/20 (2006.01) C08F 283/06 (2006.01) C08G 65/30 (2006.01) C08L 51/08 (2006.01) C08L 71/02 (2006.01)

Patent

CA 2292007

Breathable, flushable, porous films and articles made therewith and a process for making these films. The present invention is directed to composites comprising a polymer that is water-soluble or water-degradable and a filler. The films are made by extruding the composite materials into a precursor film and, preferably, stretching the precursor film to achieve the desired breathability and water-dispersibility of the finished film. In one embodiment, the composition of the invention comprises a polymer of ethylene oxide and a filler such as calcium carbonate.

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