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SURFACE-CROSS-LINKED WATER-ABSORBING RESIN AND METHOD FOR CROSS-LINKING SURFACE OF WATER-ABSORBING RESIN
SURFACE-CROSS-LINKED WATER-ABSORBING RESIN AND METHOD FOR CROSS-LINKING SURFACE OF WATER-ABSORBING RESIN
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机译:表面交联的吸水性树脂和交联的吸水性树脂的方法
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摘要
PROBLEM TO BE SOLVED: To provide a surface-cross-linked water-absorbing resin which can exhibit an excellent absorbing characteristic, even when the wt.% (resin concentration) of the water-absorbing resin is enhanced on the employment of the resin as a sanitary material or the like, to provide a new surface-cross-linking method for producing the resin, and to provide the use of the resin. ;SOLUTION: This surface-cross-linked water-absorbing resin characterized in that the thickness of a surface-cross-linked layer is 50 nm to 1,000 nm and/or in that the weight rate of the surface-cross-linked layer on the basis of the total amount of the resin is 0.3 to 3%.;COPYRIGHT: (C)2001,JPO
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