Effect of copolymer composition on interpolymer complex formation of (co)poly(vinyl ether)s with poly(acrylic acid) in aqueous and organic solutions

Mun, Grigoriy A.; Nurkeeva, Zauresh S.; Khutoryanskiy, Vitaliy V.; Bitekenova, Asem B.

doi:10.1002/(sici)1521-3927(20000401)21:7<381::aid-marc381>3.0.co;2-b

Cited by 30 publications

(26 citation statements)

References 7 publications

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“…According to our previous results, the pH crit values are shifted to higher values upon an increase in polymer concentration 6, 25, 32, 33. We have studied the effect of ionic strength on pH crit for PAA–HPC at two different polymer concentrations (Fig 4).…”

Section: Resultsmentioning

confidence: 70%

“…During recent years our group has been intensively working on the clarification of pH effects on the formation of IPC. In a series of earlier papers6, 31–40 we demonstrated the possibility of determining critical pH values by turbidimetry. It was found that the pH crit value greatly depends on the structure and molecular weight of interacting polymers, their concentration in solution and the presence of different additives.…”

Section: Resultsmentioning

confidence: 99%

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pH and salt effects on interpolymer complexation via hydrogen bonding in aqueous solutions

Khutoryanskiy

Mun²,

Nurkeeva³

et al. 2004

Polymer International

102

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The effect of inorganic salts addition on the complex formation of poly(acrylic acid) with various non‐ionic polymers such as poly(vinyl pyrrolidone), poly(acrylamide), poly(ethylene oxide), pol(vinyl methyl ether), poly(vinyl alcohol), poly(N‐isopropylacrylamide), poly(2‐hydroxyethyl vinyl ether), hydroxypropylcellulose and hydroxyethylcellulose has been studied in aqueous solutions. It was found that, depending on the nature of the polymers and pH medium, addition of inorganic salts could increase or decrease the critical pH values of complexation. A new classification of interpolymer complexes based on critical pH values and ionic strength effects is suggested. Copyright © 2004 Society of Chemical Industry

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Section: Resultsmentioning

confidence: 70%

Section: Resultsmentioning

confidence: 99%

pH and salt effects on interpolymer complexation via hydrogen bonding in aqueous solutions

Khutoryanskiy

Mun²,

Nurkeeva³

et al. 2004

Polymer International

102

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“…Probably this is related to the environmental conditions. Earlier we reported the effect of pH on the complexation in aqueous solutions and the existence of a critical pH value for all systems composed of polycarboxylic acids and nonionic polymers 19,44–48. Below this value the appearance of turbidity in mixtures of aqueous solutions is observed, which is caused by formation of insoluble polycomplexes.…”

Section: Formation Of Interpolymer Complexesmentioning

confidence: 90%

Interpolymer Complexes of Water‐Soluble Nonionic Polysaccharides with Polycarboxylic Acids and Their Applications

Nurkeeva¹,

Mun

Khutoryanskiy

2003

Macromolecular Bioscience

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Literature data as well as our own experimental results devoted to the complexation of polycarboxylic acids with various water‐soluble polysaccharides (methylcellulose, hydroxyethylcellulose, hydroxypropylcellulose, hydroxypropylmethylcellulose, starch, and dextran) by means of hydrogen bonding are systematized and analyzed. The specific peculiarities of interpolymer complexes based on polysaccharides‐polycarboxylic acids are demonstrated. The perspectives for the application of these interpolymer complexes are considered. It was shown that these materials possess good biocompatibility and adhesive properties. The promising directions for further study of interpolymer complexes between polycarboxylic acids and nonionic polysaccharides as well as existing gaps in the knowledge in this field are pointed out.Formation of compact IPCs and hydrophilic interpolymer associates.magnified imageFormation of compact IPCs and hydrophilic interpolymer associates.

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“…In our earlier works [5,[24][25][26][27] we have demonstrated the existence of critical pH of complexation (pH crit ) for all systems composed of a poly(carboxylic acid) and a nonionic polymer. Below this pH crit value a phase separation is observed with further precipitation of a polycomplex.…”

Section: Resultsmentioning

confidence: 99%

Interpolymer complexes of poly(acrylic acid) nanogels with some non-ionic polymers in aqueous solutions

Nurkeeva¹,

Khutoryanskiy

Mun³

et al. 2004

Colloids and Surfaces A: Physicochemical and Engineering Aspect

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Effect of copolymer composition on interpolymer complex formation of (co)poly(vinyl ether)s with poly(acrylic acid) in aqueous and organic solutions

Cited by 30 publications

References 7 publications

pH and salt effects on interpolymer complexation via hydrogen bonding in aqueous solutions

pH and salt effects on interpolymer complexation via hydrogen bonding in aqueous solutions

Interpolymer Complexes of Water‐Soluble Nonionic Polysaccharides with Polycarboxylic Acids and Their Applications

Interpolymer complexes of poly(acrylic acid) nanogels with some non-ionic polymers in aqueous solutions

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