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Obtaining a powdered silicone-acrylic copolymer by emulsion copolymerization

Obtaining a powdered silicone-acrylic copolymer by emulsion copolymerization

Abstract

Based on experimental studies, a method for obtaining a powdered silicone-acrylic polymer by emulsion copolymerization of acrylic acid and 3-methacryloxypropyl-trimethoxysilane using a reaction initiator (ammonium persulfate) for implementing the modifications in the polymer cross-link to impart improved physicochemical properties to the final product was presented in the paper.The optimum conditions of synthesis were determined. Based on the study of the kinetics of the copolymerization reaction by the graviometric method, it was found that it is advisable to conduct the reaction for 4.5 hours at a temperature of 90 oC, since the copolymer yield after this time was 45.3 %.During the synthesis, silicone-acrylic polymer, which is a white powder without strong smell, insoluble in organic solvents was obtained. The copolymer was characterized using IR spectrum analysis and dispersion determination.The obtained silicone-acrylic copolymer is recommended for use in paints and varnishes as a surface modifier.

Приведены результаты исследований синтеза порошкообразного силиконакрилового сополимера методом эмульсионной сополимеризации акриловой кислоты (АК) и 3-метакрилоксипропил-триметоксисилана (ТМОПТМС). На основании экспериментальных данных определены оптимальные условия проведения синтеза для получения порошкообразного продукта. С помощью ИК-спектроскопии исследованы и охарактеризованы свойства полученных силиконакриловых сополимеров.

Наведені результати досліджень синтезу порошкопобібного силіконакрилового кополімеру методом емульсійної кополімеризації акрилової кислоти (АК) і 3-метакрилоксипропіл-триметоксисилану (ТМОПТМС). На підставі експериментальних даних визначено оптимальні умови проведення синтезу для отримання порошкоподібного продукту. Досліджено та охарактеризовано властивості отриманих силіконакрилових кополімерів за допомогою ІЧ-спектроскопії.

Keywords

силіконакриловий полімер; акрилова кислота; 3-метакрилоксипропіл-триметоксисилан; емульсійна кополімеризація, силиконакриловый полимер; 3-метакрилоксипропил-триметоксисилан; акриловая кислота; эмульсионная сополимеризация, УДК 66.095.26-922, silicone-acrylic polymer; 3-methacryloxypropyl-trimethoxysilane; acrylic acid; emulsion copolymerization

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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