http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-111019122-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G69-40 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G69-44 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G69-28 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G69-44 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G69-40 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G69-28 |
| filingDate | 2019-12-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-08-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2021-08-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-111019122-B |
| titleOfInvention | Semi-aromatic polyamide thermoplastic elastomer and continuous production method thereof |
| abstract | The invention discloses a continuous production method of a semi-aromatic polyamide thermoplastic elastomer, which comprises the following steps: mixing aromatic dibasic acid, diamine and a molecular weight regulator with water and a catalyst to form slurry, and heating and dissolving to form a salt solution; the molecular weight regulator is selected from dibasic acid monoester; dehydrating the salt solution prepared in the previous step, carrying out prepolymerization reaction, and carrying out flash evaporation treatment on the obtained prepolymerization reaction liquid; and (3) finishing the post-polycondensation reaction of the product after the flash evaporation treatment and polymer polyol under the action of an ester exchange catalyst. The method takes the non-toxic and low-cost aromatic dibasic acid as the raw material to prepare the semi-aromatic polyamide thermoplastic elastomer, and the production process has the advantages of high reaction activity, short reaction time, reaction in a melting system, no use of an organic solvent and environmental friendliness; the prepared semi-aromatic polyamide thermoplastic elastomer mainly comprises ester-terminated end, has excellent thermodynamic and mechanical properties, and also has excellent hydrolysis resistance. |
| priorityDate | 2019-12-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 103.