C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
252/31, 23/363,
C08F 2/32 (2006.01) C08K 3/34 (2006.01)
Patent
CA 1313175
ABSTRACT This invention relates to suspension polymerization processes, to aqueous fluid-absorbing polymer beads prodiced from those processes, to suspending agents employed in said processes and to a method of using wetting agents to improve the hydration rate of the aqueous fluid-absorbing polymer beads. Wetting agents such as polyols which do not reduce the surface tension of a supernate (provided by a standard test method) below 56 dynes/cm, can improve the hydration rate of aqueous fluid absorbent polymer beads produced by a suspension polymerization process. The wetting agent is useful in a water-in-oil suspension polymerization process wherein the suspending agent comprises a fumed silica particulate having a hydrophobic character and a hydrophobia polymer. 34,000B-F
550885
Chonde Yohannes
Lamphere Jack C.
Stanley Frederick W. Jr.
Tai Eva F.
Smart & Biggar
The Dow Chemical Company
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