FIELD: technological processes.
SUBSTANCE: invention relates to a method for treating carbon fillers, namely carbon fiber or carbon fiber, with the aim of increasing the hydrophilicity of their surface and reducing the density. Proposed method consists in the fact that the processing of carbon ribbons and fibers is carried out with a mixture of 100 g of diluted sulfuric acid of 60 % concentration and phosphorus (V) oxide 1.5–6.0 g at a temperature of 75 °C for 0.5 hours.
EFFECT: protonated carbon fillers processed by the above method have high surface hydrophilicity and low density, which allows them to be used as fillers for polar polymers and to produce polymer composites with higher compressive strength.
1 cl, 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| COMPOSITE MATERIALS BASED ON POLYPHENYLENE SULPHIDE, CARBON FIBRES AND METHOD FOR PRODUCTION THEREOF | 2021 |
|
RU2767549C1 |
| POLYMER COMPOSITES FILLED WITH FINISHED CARBON FIBRE FROM POLYPHENYLENE SULPHIDE AND METHOD FOR PRODUCTION THEREOF | 2021 |
|
RU2767564C1 |
| POLYPHENYLENE SULPHIDE COMPOSITE MATERIALS WITH FINISHED CARBON FIBRES AND METHOD FOR PRODUCTION THEREOF | 2021 |
|
RU2767562C1 |
| CARBON FIBRE-REINFORCED POLYPHENYLENE SULPHIDE COMPOSITE MATERIALS AND METHOD FOR PRODUCTION THEREOF | 2021 |
|
RU2773524C1 |
| POLYPHENYLENE SULPHIDE COMPOSITE MATERIALS WITH CARBON FIBRES AND METHOD FOR PRODUCTION THEREOF | 2021 |
|
RU2770088C1 |
| POLYMER COMPOSITE MATERIALS MADE OF POLYPHENYLENE SULPHIDE WITH CARBON FIBRES AND METHOD FOR PRODUCTION THEREOF | 2021 |
|
RU2775606C1 |
| POLYMER COMPOSITES OF POLYPHENYLENE SULPHIDE, FINISHED CARBON FIBRE AND METHOD FOR PRODUCTION THEREOF | 2021 |
|
RU2770098C1 |
| METHOD OF ACTIVATING CARBON NANOFILLER | 2011 |
|
RU2474534C2 |
| METHOD FOR INCREASING THE TENSILE STRENGTH OF FIBROUS COMPOSITES BY STRENGTHENING THE MATRIX-FILLER INTERFACE OF CARBON FIBERS WITH FUNCTIONALIZED CARBON NANOTUBES | 2019 |
|
RU2743565C1 |
| METHOD FOR INCREASING TENSILE STRENGTH OF FIBER COMPOSITS BY MEANS OF PRELIMINARY MODIFICATION OF CARBON FIBERS WITH CARBON NANOTUBES AND MOLECULES CONTAINING AMINO GROUPS | 2019 |
|
RU2743566C1 |
