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Cross-linked porous polyurethane materials featuring dodecaborate clusters as inorganic polyol equivalents
Dahee Jung1, Fernando Raffan-Montoya, Roshini Ramachandran
1Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, CA 90095, USA. spokoyny@chem.ucla.edu.
Chemical Communications (Cambridge, England)
|June 13, 2019
Summary
A novel inorganic polyol, perhydroxylated dodecaborate ([B12(OH)12]2-), acts as a cross-linker in polyurethanes. This boron cluster enhances thermal stability in polymers, offering new material properties.
Area of Science:
- Materials Science
- Inorganic Chemistry
- Polymer Chemistry
Background:
- Polyurethane materials are widely used but can have limitations in thermal stability.
- Traditional polyols used in polyurethane synthesis are carbon-based.
- Developing novel cross-linkers can improve material properties.
Purpose of the Study:
- To investigate the potential of a perhydroxylated dodecaborate cluster ([B12(OH)12]2-) as an inorganic polyol.
- To evaluate the use of [B12(OH)12]2- as a molecular cross-linker in polyurethane synthesis.
- To assess the impact of incorporating boron clusters on the thermal stability of polyurethane materials.
Main Methods:
- Synthesis of polyurethane-based materials using [B12(OH)12]2- as a cross-linker.
- Characterization of the resulting polymer network and its properties.
- Comparative analysis of thermal stability with polymers synthesized using conventional carbon-based polyols.
Main Results:
- The perhydroxylated dodecaborate cluster ([B12(OH)12]2-) successfully functions as an inorganic polyol and cross-linker.
- Polyurethane materials incorporating [B12(OH)12]2- building blocks exhibit enhanced thermal stability.
- The inherent robustness of the boron cluster contributes to improved material performance.
Conclusions:
- Perhydroxylated dodecaborate ([B12(OH)12]2-) is a viable inorganic polyol for polyurethane synthesis.
- Incorporation of boron clusters offers a pathway to enhance the thermal stability of polymers.
- This approach provides a method to tune soft material properties using polyhedral boron-rich clusters.
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