C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/31
C08F 2/10 (2006.01) C02F 1/56 (2006.01) C08F 20/18 (2006.01)
Patent
CA 1263798
A B S T R A C T A PROCESS FOR THE PREPARATION OF WATER-SOLUBLE VINYL SACCHARIDE POLYMERS This invention provides a process for the preparation of water- soluble vinyl saccharide polymers by polymerisation of at least one water-soluble monovinyl saccharide monomer in water at a tem- perature in the range of from 10°C to 90°C, characterized in that the polymerisation is carried out in the presence of an azo-type free-radical initiator and that the concentration of water-soluble monovinyl saccharide monomer in water is not higher than 150 kg/m3. The polymers prepared according to the invention may advantageously be used for EOR and for water treatment.
492006
Shell Canada Limited
Smart & Biggar
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