English
简体中文
Русский
إنجليزي
Degradable branched and cross-linked polyesters from a bis(1,3-dioxolan-4-one) core
2024-10-22 08:41
Researchers found that the introduction of a bio-based bis(1,3-dioxolan-4-one) core provides a straightforward method for synthesizing cross-linked and branched polyesters with diverse thermal properties.
The research proves that it is possible to develop sustainable and degradable polyester materials with topological diversity that are both reprocessable and degradable. Source: Johannes - stock.adobe.com
The control of macromolecular architecture is key to tailoring polymers, with cross-linked and branched topologies conferring useful bulk properties. However, conventional methods to produce topologically diverse polymers typically rely on fossil-fuel derived starting materials and non-degradable backbones. This work reports a facile approach to produce both cross-linked and branched polyesters, using a bio-derived bis(1,3-dioxolan-4-one) (bisDOX) core. Through the copolymerisation of bisDOX with readily available diols, we demonstrate the synthesis of cross-linked polyesters with diverse thermal properties and understand their structure–property relationships.
Additionally, branched polyesters are synthesised via the introduction of a tri-functional alcohol monomer with branched structures characterised by detailed NMR spectroscopy. Model compound studies reveal the reactivity of bisDOX and identify preferential, but not exclusive, reactivity at primary vs. secondary hydroxyls. Moreover, multiple end-of-life fates are investigated, with both reprocessability and degradability of the cross-linked polyesters explored. This work offers insights into the synthesis of topologically diverse polyesters and highlights information that could inform the future design of more sustainable materials.
Source: Polymer Chemistry Volume 15, Issue 39, 20 September 2024, Pages 3983-3990
Source: european-coatings
More Hzinfo
- CHINACOAT 2024 | Li Peikun from Xinhui Chemical and Jiahui Technology: Innovation Leads the Way, Facing the "Intense Competition" in the Coatings Ind
- They will embrace the challenges of the global market with a more open attitude.
-
2025-01-17
- Jointly "Coating" a Bright Future! Xinhui Chemical and Jiahui Technology Stun at CHINACOAT 2024
- They will contribute their own strength to the prosperity and development of the industry and jointly move towards a better future!
-
2025-01-17
- Recommended products:SuoShi Chemical/Source Chemical outdoor matting agent based on durable acrylic resinT-550
- T-550 is a glyeidyl containing solid acrylie resin designed for applying in low acid value saturated carboxyl polyester powder coatings system as hardener using compatibility difference to achieve
-
2025-01-16
