http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-103497337-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G75-04 |
| filingDate | 2013-09-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2015-11-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2015-11-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-103497337-B |
| titleOfInvention | A kind of preparation method of Polythioetherimide |
| abstract | The invention discloses a kind of preparation method of Polythioetherimide, with monosubstituted phthalic anhydride and amino thiophenol for raw material, polycondensation synthesis A-B type phthalimide monomer; Monomer is dissolved in organic solvent, mixes with basic catalyst under nitrogen or protection of inert gas, 120 DEG C ~ 180 DEG C reaction 6 ~ 12h; Add end capping agent again, cool after continuing reaction 0.5 ~ 2h; Obtained described Polythioetherimide after precipitation, filtration, washing and drying; Described monosubstituted phthalic anhydride has the structural formula of formula I, and X is fluorine, chlorine, bromine, iodine or nitro, in 3-position or 4-position; Described amino thiophenol has the structural formula of formula II, and R is aromatic base; Described A-B type phthalimide monomer has the structural formula of formula III; The invention provides a kind of method preparing Polythioetherimide of simple and feasible, synthesis technique is simple; Obtained Polythioetherimide has excellent mechanical property and resistance toheat. |
| priorityDate | 2013-09-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 84.