Cellulose/melamine-formaldehyde composite resin and preparation method thereof
US11053383B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 5, 2018 |
| Grant date | Jul 6, 2021 |
| Priority date | — |
| Expiry date | Feb 5, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2205/16
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A cellulose/melamine-formaldehyde composite resin, the raw materials of the cellulose/melamine-formaldehyde composite resin comprise by weight percentage: 30-90% of melamine-formaldehyde resin, 5-60% of cellulose powder, 0.01-0.1% of curing agent, 0-20% of inorganic filler, 1-5% of surface modifier, 1-20% of dimer acid. A preparation method of the said cellulose/melamine-formaldehyde composite resin is also provided. The preparation method comprises the following steps: stirring the raw materials, then sieving and molding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.