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Synthesis and characterization of lacquers based on styrene acrylic copolymers for applications in leather industry
Author(s) -
Soundararajan S.,
Reddy B. S. R.,
Rajadurai S.,
Thyagarajan G.
Publication year - 1987
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/app.1987.070340121
Subject(s) - copolymer , styrene , benzoyl peroxide , gel permeation chromatography , thermogravimetric analysis , polystyrene , polymer chemistry , materials science , polymer , maleic anhydride , thermal decomposition , chemistry , organic chemistry , composite material , polymerization
Radical copolymerization of styrene with butylacrylate and/or maleic anhydride was carried out at 70°C, using benzoyl peroxide as an initiator in benzene/ethylacetate in order to prepare lacquers for top coats for use in leather industry. Copoly(styrene–butylacrylate) was characterized using IR and 13 C‐NMR spectroscopy. Thermal properties of the polymers were studied using thermogravimetric analysis and evaluated the integral procedural decomposition temperatures of polymers. The order of reaction and the activation energy for the thermal degradation of polystyrene, poly(ST‐co‐MAn) and St–BA–MAn terpolymer at different temperatures were calculated. Molecular weights were determined from gel permeation chromatography and viscosity measurements. Physical properties of the films were studied and compared with standard lacquers available for top coats in leather industry.