http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112432966-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_f7b587cdf287a5bfb94b13cbbe008c8f |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F251-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01N23-2273 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F251-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01N23-2273 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F220-34 |
| filingDate | 2020-12-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8d401faf858b32002b9ae331d578749c http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a94da0a81ac1e9fedeaec9354e7d321e http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d614c71c1760ff731087b103e0109bde http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_548f624984d6b7d230b00a64d84337f2 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f640abaad9f8c3e9d0c2105e175d75aa http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_48a317f8fd1a6340cb47bf7c258ff2c6 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_393827770c3a693662b8cf7b4486ae35 |
| publicationDate | 2021-03-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-112432966-A |
| titleOfInvention | A kind of microstructure characterization method of chitosan graft modified polymer |
| abstract | The invention relates to a method for characterizing the microstructure of a chitosan graft-modified polymer. The method uses the graft-modified chitosan to measure X-ray photoelectron spectroscopy (XPS) and the grafting ratio, and obtains the branch of the chitosan through analysis and calculation. Chain Density and Branch Length Structural Characteristics. In the energy spectrum of XPS N1s, the spectral peaks at 399±1eV and 401.5±1eV correspond to ‑NH 2 and ‑NH‑ on the main chain of chitosan, respectively. From the XPS N1s spectrum, ‑NH 2 and ‑NH 2 can be obtained. NH-relative content, the branch chain density of the substance to be characterized can be obtained, and then the branch chain length of the substance to be characterized can be obtained by dividing the graft ratio by the branch chain density. This method extends the traditional one-dimensional structural features (grafting ratio) to two-dimensional structural features (branch density and branch length), which is a qualitative leap and will provide new advantages for the grafting modification of related chitosan and The applied research provides a good practical data basis for understanding the structural properties of graft-modified chitosan. |
| priorityDate | 2020-12-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 27.