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Use of monomers based on acrylated derivatives of vegetable oils in emulsion polymerization

Authors: Machotová Jana | Kolář Martin | Podzimek Štěpán | Honzíček Jan

Year: 2025

Type of publication: ostatní - přednáška nebo poster

Page from-to: nestránkováno

Titles:

Language	Name	Abstract	Keywords
eng	Use of monomers based on acrylated derivatives of vegetable oils in emulsion polymerization	The need for the production of synthetic polymers from renewable and sustainable resources also affects the area of emulsion polymerization. Acrylated methyl esters of higher fatty acids derived from rapeseed, camelina, and linseed oil were synthesized through transesterification, epoxidation, and subsequent acrylation. Methyl methacrylate and butyl acrylate were copolymerized with various amounts of bio-based monomers (5-30 wt.% % in monomer mixture) to obtain polymeric latexes for coating applications. Successful emulsion polymerizations with up to 20 wt.% of bio-based monomers were performed with low coagulum and high monomer conversion. The incorporation of bio-based monomers into polymeric latexes was confirmed with infrared spectroscopy. Asymmetric flow field-flow fractionation coupled with multi-angle light scattering was used to analyze the synthesized copolymers in terms of their molar mass distribution. The results revealed that copolymerizing the bio-based monomers resulted in ultra-high molar mass nanogel fractions formed due to multi-acrylated ingredients derived from polyunsaturated fatty acids. The phenomenon of nanogel formation became more pronounced for the linseed oil-based monomer. Evaluated coating properties showed that latexes comprising the bio-based monomers provided increased water repellence (about 10° higher water contact angles were achieved for all bio-based coating compositions in contrast to a reference latex). Moreover, latexes comprising chemically modified oils in the content of 25 and 30 wt.% provided water whitening-resistant coatings, making the bio-based monomers promising candidates for replacing petroleum-based monomers in the production of sustainable latex coatings.	Rapeseed oil; linseed oil; camelina oil; emulsion polymerization; latex, bio-based monomer; molar mass, water whitening