http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-110922745-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K2003-2241 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K2201-011 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K2201-003 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K2003-3009 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K3-041 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K3-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K3-042 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K9-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K3-22 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K3-30 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K3-36 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08K3-36 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08K3-30 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08K3-22 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08K3-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08K9-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L75-04 |
| filingDate | 2019-11-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-04-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2021-04-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-110922745-B |
| titleOfInvention | A kind of preparation method of thermally reversible polyurethane composite material for 4D printing |
| abstract | The invention discloses a preparation method of a thermally reversible polyurethane composite material for 4D printing. First, furanmethanol modified inorganic nanofillers were prepared, then polyurethanes with maleimide side groups were synthesized, and finally the modified nanofillers were blended with polyurethanes under certain conditions and processes to prepare 4D with thermally reversible properties. Polyurethane composites for printing. The method of the invention is simple to operate, easy to be popularized and applied on a large scale, and the furan ring and the maleimide group can be respectively modified on the surface of the inorganic nanoparticle and the side chain of the polyurethane, so that the prepared inorganic nanoparticle and the polymer matrix are formed between the inorganic nanoparticles and the polymer matrix. While having good interfacial compatibility, it has the characteristics of Diels-Alder thermoreversible reaction. The polyurethane composite material prepared by this method has excellent mechanical properties, shape memory properties and 3D printing properties. |
| priorityDate | 2019-11-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 62.