Method for producing water-absorbing composite
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United States of America Patent
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Issued Date -
Jul 13, 2006
app pub date -
Sep 1, 2003
filing date -
Sep 4, 2002
priority date (Note) -
Abandoned
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Abstract
According to this invention, there are provided a process for manufacturing a water-absorbing composite comprising the steps of: (A) spraying an aqueous monomer solution containing acrylic acid and/or its salt on a heat-raised fibrous substrate to apply droplets of the aqueous monomer solution on the fiber constituting the fibrous substrate; (B) polymerizing the monomers in the droplets to form a water-absorbing composite in which the water-absorbing resin particles adhere to the fiber; a process for manufacturing a thermally-compressed water-absorbing composite further comprising step (C): further thermally compressing the above water-absorbing composite; and a process for manufacturing a laminated water-absorbing composite further comprising step (D): laminating the water-absorbing composite and a fibrous substrate to form a laminate and then thermally compressing the laminate to thermally fuse the water-absorbing composite and the fibrous substrate.
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