期刊
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
卷 9, 期 50, 页码 16874-16880出版社
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.1c07048
关键词
Vanillin; Syringaldehyde; Lignocellulose; Biobased plastics; Copolymers; Acrylate polymers; Glass transition temperature
资金
- European Regional Development Fund through the Mobilitas Pluss Top Researcher Grant programme [MOBTT21]
- Crafoord Foundation [20190530]
- Swedish Research Council Formas [2016-00468]
- Formas [2016-00468] Funding Source: Formas
- Vinnova [2016-00468] Funding Source: Vinnova
The study discusses the synthesis and polymerization of nitrile-containing methacrylate monomers derived from lignin-inspired aldehydes. The resulting polymethacrylates show high T-g values and thermal stability, making them suitable for producing materials with tunable T-g values and enhanced solvent resistance. Using lignin-derived nitrile-containing monomers is an efficient strategy for producing well-defined biobased high T-g polymer materials.
We here report on the synthesis and polymerization of nitrile-containing methacrylate monomers, prepared via straightforward nitrilation of the corresponding lignin-inspired aldehyde. The polymethacrylates reached exceptionally high glass transition temperatures (T-g values), i.e., 150, 164, and 238 degrees C for the 4-hydroxybenzonitrile, vanillonitrile, and syringonitrile derivatives, respectively, and were thermally stable up to above 300 degrees C. Copolymerizations of the nitrile monomers with styrene and methyl methacrylate, respectively, gave potentially melt processable materials with tunable T-g values and enhanced solvent resistance. The use of lignin-derived nitrile-containing monomers represents an efficient strategy toward well-defined biobased high T-g polymer materials.
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