Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1995-10-04
1998-05-05
Reddick, Judy M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524166, 524167, 524289, 524302, 524368, 524381, 524382, 524392, 524395, C08J 320, C08K 504, C08K 506, C08K 509
Patent
active
057475709
ABSTRACT:
Water-absorbing resin compositions obtained by adding a water-soluble thiol compound in the process of drying or pulverizing a hydrogel of a water-absorbing resin which is obtained by polymerizing a water-soluble monomer having a polymerizable unsaturated group optionally with a polysaccharide, in the presence of a crosslinking agent and water. Composition of the present invention are highly efficient in water absorption and safe for having extremely low amounts of residual monomer and water-soluble component.
REFERENCES:
patent: 2601253 (1952-06-01), Bruson
patent: 3848028 (1974-11-01), Engelhard
patent: 5073587 (1991-12-01), Edwards
patent: 5143999 (1992-09-01), Setiabudi et al.
Date Masashi
Tamabuchi Satoshi
Tanaka Keiji
Tsubota Kenjiro
Yuki Tsuyoshi
Reddick Judy M.
Sanyo Chemical Industries Ltd.
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