The state of ion aggregation in ionomers based on copolymers of styrene and acrylic acid-II. Thermal studies
✍ Scribed by Kazimiera Suchocka-GaŁaś
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 375 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0014-3057
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The far-k. spectra of films of ionomers based on styrene-acrylic acid copolymers obtained by copolymerization in emulsion in the 8&450 cm-' region have been studied. For each ionomer, an intense and broad absorption band, whose frequency is cation mass dependent has been observed and assigned to cat
The water sorption behavior of styrene-methacrylic acid copolymers and of their sodium salts has been studied as a function of concentration of ionic groups and nature of the sample. The influence of thermal history has also been examined. The salt forms of the copolymers were found to have a greate
The graft copolymerization of acrylic acid on to acrylonitrile-butadiene-styrene terpolymer (ABS) was studied by the use of the anthracene photosensitized formation of hydroperoxides in the butadiene portion of the polymer. The variables that were investigated include concentration of anthracene, co
## Abstract We carried out the suspension polymerization of styrene, initiated with benzoyl peroxide at 80°C, in the presence of the simultaneous polymerization of acrylic acid in the water phase, initiated by potassium peroxidisulfate (KPS) at the same temperature. The polymerization in the water