Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1985-07-19
1986-07-08
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524515, 524521, 524522, C08L 3900
Patent
active
045993777
ABSTRACT:
The present invention relates to a process for the viscosification of an organic liquid which comprises the steps of forming a first solution of a polymer containing carboxylic acid side groups dissolved in the organic liquid; forming a second solution of a basic polymer in the organic liquid and mixing the first and the second solutions together to form an interpolymer complex of the acid containing and basic polymers in the organic liquid, wherein the organic liquid containing the interpolymer complex has improved viscosification properties. This solution possesses higher viscosity than the mean of the separate viscosities of the starting solutions at relatively low solids content. Moreover, these interpolymer complexes, in hydrocarbon solutions, can be formulated to exhibit shear thickening at increased shear rates. This property is useful in such technological applications as antimisting of the solvent. Furthermore, the present invention discloses a process wherein viscosification and shear thickening can be reversed.
Duvdevani Ilan
Kitano Kissho
Peiffer Dennis G.
Schulz Donald N.
Exxon Research and Engineering Co.
Nanfeldt Richard E.
Reddick J. M.
Schofer Joseph L.
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