Complexation of poly(ethylene oxide) with poly(acrylic acid-co-hydroxyethyl methacrylate)s

Maarten J. Krupers; Fred van der Gaag; F.J. van der Gaag; Jan Feijen

doi:10.1016/0014-3057(95)00184-0

Complexation of poly(ethylene oxide) with poly(acrylic acid-co-hydroxyethyl methacrylate)s

Maarten J. Krupers, Fred van der Gaag, F.J. van der Gaag, Jan Feijen

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Abstract

Random acrylic acid/hydroxyethyl methacrylate (AA/HEMA) copolymers were synthesized to study the influence of non-ionic (HEMA) structure defects introduced in poly(acrylic acid) on the complex formation with PEO ( 23200) at pH 3¿3.5 in aqueous solution. Complex formation as studied with potentiometric titration (concentration 0.01¿0.03 M monomer residues) was increasingly impeded when the molar ratio of HEMA to AA units in the polymers increased. Copolymers of AA and HEMA with molar ratios 30:1, 10:1 and 3:1 were used in this study. It was shown that in the copolymers the number of carboxylic acid groups taking part in complexation decreased with increasing amounts of HEMA in the copolymer. However, with increasing amounts of structure defects the amount of PEO per AA residue (at equilibrium complexation) increased, suggesting less efficient packing of PEO on the acrylic copolymer chain

Original language	Undefined
Pages (from-to)	785-790
Number of pages	6
Journal	European polymer journal
Volume	32
Issue number	6
DOIs	https://doi.org/10.1016/0014-3057(95)00184-0
Publication status	Published - 1996

Keywords

METIS-105396
IR-9904

Access to Document

10.1016/0014-3057(95)00184-0

Krupers96complexation

Cite this

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title = "Complexation of poly(ethylene oxide) with poly(acrylic acid-co-hydroxyethyl methacrylate)s",

abstract = "Random acrylic acid/hydroxyethyl methacrylate (AA/HEMA) copolymers were synthesized to study the influence of non-ionic (HEMA) structure defects introduced in poly(acrylic acid) on the complex formation with PEO ( 23200) at pH 3¿3.5 in aqueous solution. Complex formation as studied with potentiometric titration (concentration 0.01¿0.03 M monomer residues) was increasingly impeded when the molar ratio of HEMA to AA units in the polymers increased. Copolymers of AA and HEMA with molar ratios 30:1, 10:1 and 3:1 were used in this study. It was shown that in the copolymers the number of carboxylic acid groups taking part in complexation decreased with increasing amounts of HEMA in the copolymer. However, with increasing amounts of structure defects the amount of PEO per AA residue (at equilibrium complexation) increased, suggesting less efficient packing of PEO on the acrylic copolymer chain",

keywords = "METIS-105396, IR-9904",

author = "Krupers, {Maarten J.} and {van der Gaag}, Fred and {van der Gaag}, F.J. and Jan Feijen",

year = "1996",

doi = "10.1016/0014-3057(95)00184-0",

language = "Undefined",

volume = "32",

pages = "785--790",

journal = "European polymer journal",

issn = "0014-3057",

publisher = "Elsevier",

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TY - JOUR

T1 - Complexation of poly(ethylene oxide) with poly(acrylic acid-co-hydroxyethyl methacrylate)s

AU - Krupers, Maarten J.

AU - van der Gaag, Fred

AU - van der Gaag, F.J.

AU - Feijen, Jan

PY - 1996

Y1 - 1996

N2 - Random acrylic acid/hydroxyethyl methacrylate (AA/HEMA) copolymers were synthesized to study the influence of non-ionic (HEMA) structure defects introduced in poly(acrylic acid) on the complex formation with PEO ( 23200) at pH 3¿3.5 in aqueous solution. Complex formation as studied with potentiometric titration (concentration 0.01¿0.03 M monomer residues) was increasingly impeded when the molar ratio of HEMA to AA units in the polymers increased. Copolymers of AA and HEMA with molar ratios 30:1, 10:1 and 3:1 were used in this study. It was shown that in the copolymers the number of carboxylic acid groups taking part in complexation decreased with increasing amounts of HEMA in the copolymer. However, with increasing amounts of structure defects the amount of PEO per AA residue (at equilibrium complexation) increased, suggesting less efficient packing of PEO on the acrylic copolymer chain

AB - Random acrylic acid/hydroxyethyl methacrylate (AA/HEMA) copolymers were synthesized to study the influence of non-ionic (HEMA) structure defects introduced in poly(acrylic acid) on the complex formation with PEO ( 23200) at pH 3¿3.5 in aqueous solution. Complex formation as studied with potentiometric titration (concentration 0.01¿0.03 M monomer residues) was increasingly impeded when the molar ratio of HEMA to AA units in the polymers increased. Copolymers of AA and HEMA with molar ratios 30:1, 10:1 and 3:1 were used in this study. It was shown that in the copolymers the number of carboxylic acid groups taking part in complexation decreased with increasing amounts of HEMA in the copolymer. However, with increasing amounts of structure defects the amount of PEO per AA residue (at equilibrium complexation) increased, suggesting less efficient packing of PEO on the acrylic copolymer chain

KW - METIS-105396

KW - IR-9904

U2 - 10.1016/0014-3057(95)00184-0

DO - 10.1016/0014-3057(95)00184-0

M3 - Article

SN - 0014-3057

VL - 32

SP - 785

EP - 790

JO - European polymer journal

JF - European polymer journal

IS - 6

ER -