Thickening of acrylic lattices with dispersions of crosslinked ethyl acrylate-methacrylic acid copolymers

被引：9
|
作者：
Quadrat, O [1 ]
Mrkvicková, L
Walterová, Z
Stern, P
Bradna, P
Snupárek, J
机构：
[1] Acad Sci Czech Republ, Inst Macromol Chem, CR-16206 Prague 6, Czech Republic
[2] Acad Sci Czech Republ, Inst Hydrodynam, Prague 16612 6, Czech Republic
[3] Spofa Dent Co, Prague 10030 10, Czech Republic
[4] Univ Pardubice, Dept Polymer Mat, Pardubice 53210, Czech Republic
来源：
PROGRESS IN ORGANIC COATINGS | 2003年 / 46卷 / 01期
关键词：
acrylic lattices; crosslinked ethyl acrylate-methacrylic acid copolymer dispersions; thickening; rheology;
D O I：
10.1016/S0300-9440(02)00120-0
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Thickening of three model lattices of copolymers of ethyl acrylate and 0-2 wt.% of acrylic acid using dispersions of ethyl acrylate-methacrylic acid copolymer crosslinked with 0.25-5 wt.% of N,N'-methylenebisacrylamide was investigated. Measurement of the static light scattering revealed that the highest thickening effect occurred when, after alkalinisation, a sufficient amount of highly swollen crosslinked particles arose from the thickener. Viscoelastic properties of this basic matrix are a decisive factor for the rheological behaviour of thickening material. (C) 2002 Elsevier Science B.V. All rights reserved.
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页码：1 / 7
页数：7
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