Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1993-02-16
1994-11-08
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523113, 52631841, 526332, 588 7, C08K 910, G21F 900, G21F 916, C08F 406
Patent
active
053627717
ABSTRACT:
Inclusion blocks of a substance chosen from ion exchange resins contaminated with radioactive elements, water which can, where appropriate, contain pollutants, solid-phase wastes in the form of blocks or pulverised preparations or liquid-phase wastes are prepared. For this purpose, the substances(s) to be included is/are embedded in a (meth)acrylic resin obtained in situ by direct polymerisation, without prior preparation of a prepolymer syrup, using a monomer system based on at least one (meth)acrylic monomer possessing a high boiling point, such as dicyclopentadienyloxyethyl methacrylate.
Application to the storage of industrial pollutants, in particular substances contaminated with radioactive elements; and application of the water-inclusion blocks as prosthesis materials.
REFERENCES:
patent: 4077901 (1978-03-01), Arnold et al.
patent: 4253985 (1981-03-01), Filter et al.
patent: 4486179 (1984-12-01), Brauer et al.
patent: 4628112 (1986-12-01), Winkel et al.
patent: 5063269 (1991-11-01), Hung
World Patents Index Latest, Derwent Publications Ltd., London, AN 84-091813 (abstract of JP-A-59 038 698, Mar. 2, 1984).
World Patents Index Latest, Derwent Publications Ltd., London, AN 86-185538 (abstract of JP-A-61 117 496, Nov. 14, 1984).
Legros Robert
Wiegert Bernard
Zeh Jean-Luc
Elf Atochem S.A.
Michl Paul R.
Yoon Tae H.
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