IMPROVEMENT OF VITRIMER BY POLYROTAXANE ADDITION

• Main Authors: HIRANO MASAKI, ANDO SHOTA, ITO KOZO
• Format: Patent
• Language: English; Japanese
• Published: 24.11.2023
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

To provide a composition comprising a vitrimer, which has both self-repairing properties and robustness.SOLUTION: A composition comprises a vitrimer including a polymer having an ester bond and a polyrotaxane which comprises a plurality of cyclic molecules and a chain polymer piercing the cavities of the plurality of cyclic molecules, wherein at least some of the plurality of cyclic molecules have functional groups having ester bonds.SELECTED DRAWING: None 【課題】自己修復性と強靭性を兼ね備えた、ビトリマーを含有する組成物を提供すること。【解決手段】エステル結合を有するポリマーを含むビトリマーと、複数の環状分子と前記複数の環状分子の開口部を貫通する鎖状ポリマーとを備えたポリロタキサンであって、前記複数の環状分子の少なくとも一部がエステル結合を有する官能基を備えている、ポリロタキサンと、を含有する組成物。【選択図】なし