Physico-Chemistry of the Hydrolysed Polyacrylamide—Chromium III Interaction in Relation to Rheological Properties

Allain, C.; Salomé, Laurence

doi:10.1007/978-94-009-1343-1_19

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1992

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Cited by 6 publications

(1 citation statement)

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“…Revised Manuscript Received September 9,1987 Rate Control of Thermal Isomerization of a Spirobenzopyran Embedded in Bilayer-Immobilized Cast Film by the Phase…”

mentioning

confidence: 99%

Sol-gel transition of hydrolyzed polyacrylamide + chromium(III): rheological behavior versus crosslink concentration

Allain¹,

Salomé²

1987

Macromolecules

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“…Revised Manuscript Received September 9,1987 Rate Control of Thermal Isomerization of a Spirobenzopyran Embedded in Bilayer-Immobilized Cast Film by the Phase…”

mentioning

confidence: 99%

Sol-gel transition of hydrolyzed polyacrylamide + chromium(III): rheological behavior versus crosslink concentration

Allain¹,

Salomé²

1987

Macromolecules

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Polyacrylamide gels formed with Cr⁺³ ion and Cr(acetate)₃: Thermodynamically and kinetically controlled crosslinking reactions

Albonico

Burrafato

Lockhart

1992

J. Polym. Sci. A Polym. Chem.

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The gelation of buffered aqueous Cr+3/polyacrylamide (PAAm) solutions has been studied over the pH range 2‐11. With Cr+3 supplied as Cr(NO3)3 and a 7.5% hydrolyzed PAAm the upper limit for gelation was about pH 7, but Cr(acetate)3/PAAm solutions gelled as high as pH 9. Evidence is presented that the formation of unreactive colloidal Cr(OH)3(H2O)3, rather than polymer crosslinking, is favored thermodynamically for Cr+3/PAAm solutions at pH > 7. The crosslinks formed in Cr(acetate)3/PAAm solutions at pH 7–9 are deduced to be kinetically controlled products. Independent evidence for the kinetic stability of Cr+3/PAAm gels above pH 7 has also been obtained. Other observations relevant to the mechanism of crosslinking of PAAm with Cr(acetate)3 are described.

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Chemistry and physics of “agricultural” hydrogels

Kazanskii

Dubrovskii

1992

Advances in Polymer Science

204

102

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Physico-Chemistry of the Hydrolysed Polyacrylamide—Chromium III Interaction in Relation to Rheological Properties

Cited by 6 publications

References 13 publications

Sol-gel transition of hydrolyzed polyacrylamide + chromium(III): rheological behavior versus crosslink concentration

Sol-gel transition of hydrolyzed polyacrylamide + chromium(III): rheological behavior versus crosslink concentration

Polyacrylamide gels formed with Cr⁺³ ion and Cr(acetate)₃: Thermodynamically and kinetically controlled crosslinking reactions

Chemistry and physics of “agricultural” hydrogels

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Physico-Chemistry of the Hydrolysed Polyacrylamide—Chromium III Interaction in Relation to Rheological Properties

Cited by 6 publications

References 13 publications

Sol-gel transition of hydrolyzed polyacrylamide + chromium(III): rheological behavior versus crosslink concentration

Sol-gel transition of hydrolyzed polyacrylamide + chromium(III): rheological behavior versus crosslink concentration

Polyacrylamide gels formed with Cr+3 ion and Cr(acetate)3: Thermodynamically and kinetically controlled crosslinking reactions

Chemistry and physics of “agricultural” hydrogels

Contact Info

Product

Resources

About

Polyacrylamide gels formed with Cr⁺³ ion and Cr(acetate)₃: Thermodynamically and kinetically controlled crosslinking reactions