Water-Soluble Polymers of Acrylamide as Labeling Adhesives

Krul, L. P.; Иванова, Т. А.; Yakimtsova, L. B.; Grinyuk, E. V.

doi:10.1007/s11167-005-0404-y

Cited by 3 publications

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“…It was shown previously that the gel fraction content in radiation-cross-linked PANH increased in the presence of Cu 2+ , Zn 2+ , and Mn 2+ ions, whereas the degree of swelling drastically decreased [3]. The effect was attributed to possible additional cross-linking of macromolecules of the acrylamide-sodium acrylate copolymer via donoracceptor bonds between the metal ion and the oxygen atom of the carboxylate group [3].…”

Section: Resultsmentioning

confidence: 85%

“…The effect was attributed to possible additional cross-linking of macromolecules of the acrylamide-sodium acrylate copolymer via donoracceptor bonds between the metal ion and the oxygen atom of the carboxylate group [3]. Later, the formation of metal-polymer complexes was proved by 13 C NMR spectroscopy for copolymers of acrylamide with sodium acrylate even with a very low content of carboxylate groups (3 mol %) [7].…”

Section: Resultsmentioning

confidence: 99%

“…Recently there has been a trend toward decreasing the number of the components used by combining several acting substances or acting and auxiliary substances in one highly concentrated mixture. It seems very promising to combine microelements with PEHG based on PANH [3]. The major problem in preparation of the binary PSF component containing PANH or a hydrogel based on it and microelement ions in high concentration consists in that the mixture frequently undergoes phase separation, which does not allow preparation of PSF with the required amount of microelements.…”

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Effect of Cu2+, Zn2+, and Mn2+ ions on the water absorption of polyelectrolyte hydrogels based on polyacrylonitrile fiber hydrolyzate

et al. 2014

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Polyelectrolyte hydrogels based on 40% aqueous-salt solutions of polyacrylonitrile fi ber hydrolyzate were prepared using products of thermal decomposition of ammonium persulfate as cross-linking agent. Swelling of these gels in aqueous solutions of zinc, copper, and manganese sulfates is followed by the inverse process leading to the collapse of the hydrogels. The use of complex salts of the above ions prevents the inverse process. The relationships characterizing the infl uence of the cross-linking agent concentration on the initial swelling rate and on the equilibrium and maximum swelling in distilled water and in 0.01 M solutions of copper sulfate and disodium copper ethylenediaminetetraacetate were determined.

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Section: Resultsmentioning

confidence: 85%

Section: Resultsmentioning

confidence: 99%

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