http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-105295374-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G73-1071 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G73-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L79-08 |
| filingDate | 2015-03-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2018-09-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2018-09-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-105295374-B |
| titleOfInvention | Polyimide precursor composition, the method for preparing polyimide precursor, polyimides formed body and preparation method thereof |
| abstract | The present invention provides a kind of polyimide precursor composition, including：Polyimide precursor, it includes the condensation polymers of tetracarboxylic dianhydride and diamine compound, the tetracarboxylic dianhydride includes the first tetracarboxylic dianhydride and the second tetracarboxylic dianhydride in addition to first tetracarboxylic dianhydride, wherein first tetracarboxylic dianhydride has the phenyl ring combined thereon there are two carboxylic acid anhydride group；And the first aqueous solvent containing water and selected from least one of the group being made of water-soluble ethers solvent, water-soluble ketone solvent and water-soluble alcohol solvent water-miscible organic solvent, or the second aqueous solvent containing water-soluble alcohol solvent and selected from least one of the group being made of water-soluble ethers solvent and water-soluble ketone solvent water-miscible organic solvent, wherein, the polyimide precursor is dissolved in first aqueous solvent or the second aqueous solvent.The present invention also provides method, polyimides formed bodies for preparing polyimide precursor composition and preparation method thereof.The polyimide precursor composition of the present invention has excellent film forming and mechanical strength. |
| priorityDate | 2014-07-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 94.