Dust reducer consisting of multi-component metal compound, water absorbing agent containing multi-component metal compound, and method for producing the same
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United States of America Patent
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May 22, 2018
Issued Date -
N/A
app pub date -
Oct 1, 2013
filing date -
Oct 1, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
[Problem] To provide a dust reducer which suppresses blocking against moisture absorption and has a reduced amount of dust generation, without impairing the water absorption physical properties that are required from a water absorbing agent, such as water absorption capacity under load; a method for producing a water absorbing agent using the dust reducer; and a water absorbing agent in which blocking against moisture absorption is suppressed and which has a reduced amount of dust generation. [Solution] A dust reducer for a water absorbing agent containing a surface crosslinked polyacrylic acid (salt)-based water absorbent resin as a main component, wherein the dust reducer is a multi-component metal compound which has a hydrotalcite structure and contains a hydroxyl group and two kinds of metal cations that are divalent and trivalent.
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International Classification(s)
- C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
- C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
- G01N:INVESTIGATING OR ANALYSING MATERIALS BY DETERMININ....
- B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....
- A61L:METHODS OR APPARATUS FOR STERILISING MATERIALS OR ....
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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