Compositions – Leather or fur treating
Patent
1986-11-10
1988-10-25
Guynn, Herbert B.
Compositions
Leather or fur treating
2523153, 556 6, E21B 4326
Patent
active
047802235
ABSTRACT:
Various organometallic crosslinkers containing titanium or zirconium atoms in the +4 oxidation (valence) state have been used to crosslink solvatable polysaccharides (e.g., hydroxypropyl guar) in aqueous media. The crosslinked gels are useful as fracturing fluids. Aqueous solutions of the organometallic crosslinkers are stabilized against deterioration upon storage by adding an alkanolamine (e.g., triethanolamine). Additionally, the alkanolamines also stabilize the crosslinked gels against shear degradation at elevated temperatures.
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Baranet Sandra E.
Hodge Richard M.
Kucera Clare H.
Dowell Schlumberger Incorporated
Guynn Herbert B.
Littlefield Stephen A.
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