Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1977-05-10
1979-05-15
Wong, Jr., Harry
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
260 296R, 521149, 526292, 526303, C08J 928
Patent
active
041549104
ABSTRACT:
Concentrated aqueous solution of acrylamide or mixture of acrylamide and other vinyl monomer is polymerized in the presence of catalyst, and the polymerization solution is to be boiled by heat of polymerization in the course of polymerization.
Obtained hydrous gels of acrylamide polymers are porous, water soluble and are easily dehydrated by conventional dehydration techniques.
REFERENCES:
patent: 3753962 (1973-08-01), Restaino
patent: 3772257 (1973-11-01), Bochum et al.
patent: 3951934 (1976-04-01), Ohshima et al.
patent: 3975341 (1976-08-01), Trapasso
Ikeda Kazuo
Tanaka Katsutoshi
Kyoritsu Yuki Co., Ltd.
Mitsubishi Chemical Industries Ltd.
Wong, Jr. Harry
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