Water-absorbing agent and process for producing the same
First Claim
1. A process for producing a water-absorbing agent, which is characterized by comprising the step of blending an oxetane compound and/or an imidazolidinone compound with a water-absorbent resin.
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Abstract
The present invention provides: a process for producing a water-absorbing agent at low temperature in a short time, wherein the water-absorbing agent has excellent balance between the absorption capacity without load and the absorption capacity under a load, high fluidity under a hygroscopic atmosphere, and excellent safety; and a novel water-absorbing agent and a novel crosslinking agent particularly suitable for crosslinking water-absorbent resins. The water-absorbing agent, having excellent balance between the absorption capacity without load and the absorption capacity under a load, high fluidity under a hygroscopic atmosphere, and excellent safety, can be obtained by using an oxetane compound and/or an imidazolidinone compound for a water-absorbent resin.
109 Citations
25 Claims
- 1. A process for producing a water-absorbing agent, which is characterized by comprising the step of blending an oxetane compound and/or an imidazolidinone compound with a water-absorbent resin.
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13. An absorbing agent, which comprises:
- an oxetane compound and/or an imidazolidinone compound; and
a water-absorbent resin.
- an oxetane compound and/or an imidazolidinone compound; and
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14. An absorbing agent, which comprises a water-absorbent resin crosslinked with an oxetane compound and/or an imidazolidinone compound.
- 22. A crosslinking agent for water-absorbent resins, which comprises an oxetane compound having at least one oxetane skeleton per a molecule.
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24. A crosslinking agent for water-absorbent resins, which comprises an imidazolidinone compound having at least one imidazolidinone skeleton per a molecule.
Specification