| DAXIN MATERIALS CORPORATION Patent applications |
| Patent application number | Title | Published |
|---|
| 20110160423 | PURIFICATION METHOD OF POLYAMIC ACID RESIN AND POLYIMIDE RESIN - Purification methods of polyamic acid resin and polyimide resin are provided. The purification methods of polyamic acid resin or polyimide resin includes providing a polyamic acid resin or a polyimide resin containing metal ion impurities. Thereafter, a cation exchange resin is used to react with the polyamic acid resin or the polyimide resin in order to remove the metal ion impurities therein, and a water content in the polyamic acid resin or the polyimide resin is removed to purify the polyamic acid resin or polyimide resin. | 06-30-2011 |
| 20100243955 | LIQUID CRYSTAL ALIGNMENT SOLUTION - A liquid crystal alignment solution is provided. The liquid crystal alignment solution includes at least one polymer selected from the group consisting of a polyamide acid-polyamide acid polymer represented by formula (A), a polyimide-polyamide acid polymer represented by formula (B) and a polyimide-polyimide polymer represented by formula (C), | 09-30-2010 |
