| abstract |
The present invention relates to a method of chemically bonding a sulfuric acid component capable of radical reaction to a crosslinked polymer chain by combining sulfuric acid, which is a natural resin showing golden color, with light (electron beam, gamma ray) or thermosetting monomer, Relates to a yellowing polymer material having excellent hardening time shortening, scratch resistance, heat resistance, solvent resistance, resistance to alkali, and acid resistance, while maintaining the properties of yellowing by physically isolating it between the polymer network. The developed photocurable yellowing polymer has economical efficiency because it can adjust not only the properties of excellent coating but also the concentration of yellowish color and shortens the curing time to several minutes. In addition, the coating process is simple, and it can be used for handle, mobile phone, acrylic product, glass container, nail reinforced coating material, cosmetics container, multimedia, electronic product, packaging material, food and storage material, Can be used where required. |