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Polymer latex containing carboxylic acid functional groups. I. Synthesis of polymer latex from MMA and AA
Author(s) -
Hsu ShihChang,
Liao YuanLing,
Lee ChiaFen,
Chiu WenYen
Publication year - 1999
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/(sici)1097-4628(19991220)74:13<3111::aid-app13>3.0.co;2-l
Subject(s) - polymer , copolymer , monomer , polymer chemistry , emulsion polymerization , materials science , emulsion , chemical engineering , polymerization , phase (matter) , glass transition , chemistry , composite material , organic chemistry , engineering
The polymer latex of poly(MMA‐AA) was synthesized using two techniques: soapless seeded emulsion polymerization, and the soapless emulsion copolymerization technique. The reaction kinetics, morphology, composition, and size of latex particles, as well as the structure using thin‐layer chromatographic separation techniques, glass transition temperature ( T g ), and molecular weight of polymer products, were studied under different experimental conditions. The reaction of the hydrophilic AA monomer took place in two places—on or in the latex particles, and in the water phase. Therefore, the polymer latex, whose size is very small and uniform, dispersed uniformly all over the PAA continuous phase. © 1999 John Wiley & Sons, Inc. J Appl Polym Sci 74: 3111–3120, 1999