Method of producing resin modifier, resin modifier, and composite material
US11891501B2 · kind B2 · utility
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Key dates
| Filing date | Feb 26, 2020 |
| Grant date | Feb 6, 2024 |
| Priority date | — |
| Expiry date | Oct 22, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2205/16
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method of producing a resin modifier, the method comprising a process of polymerizing an ethylene unsaturated monomer in the presence of a cellulose nanofiber, the cellulose nanofiber being reacted with an amine or a quaternary ammonium salt compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.