http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-103145889-B
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_70a57471adb10e40785c3c694e731ea8 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F6-08 |
| filingDate | 2013-03-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2015-04-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_661cc6296a6baead5f796b77db01a91f http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4dbd6713dc1a2a6d241992c8815d7eea http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_87e752594777a02a76feff3ecbe93f21 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b9b9ef15276df3ae04be0d4a8529a33c |
| publicationDate | 2015-04-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-103145889-B |
| titleOfInvention | Purification method for removing metal salt catalyst in ATRP (atom transfer radical polymerization) high-molecular product |
| abstract | The invention relates to a purification method for removing a metal salt catalyst in an ATRP (atom transfer radical polymerization) high-molecular product, comprising the following steps of: dissolving an atom transfer radical polymerization ATRP reaction product in a solvent A to obtain high-molecular solution, then adding an adsorbent in the high-molecular solution, stirring and filtering to obtain a rough filtrate, and performing reduced pressure distillation to obtain the concentrated filtrate; dripping the concentrated filtrate aforementioned in a solvent B under the action of stirring, performing extraction filtration to obtain a precipitate, then washing, vacuum-drying, and then obtaining the product. The invention discloses a principle of realizing the separation between the high-molecular product and the metal salt catalyst by virtue of the solubility difference thereof in a solvent and the adsorption capacity difference thereof for an adsorbent, optimizes a purification process, and can finish the operation in conventional conditions without the need to use cumbersome devices such as a chromatographic column; the purification method is low in requirements on equipment, simple and convenient in the whole purification process, and less in environmental pollution; and moreover, the product yield is greater than 85%, the content of residual metal salts after purification is low, and the mass fraction is less than 0.0004%. |
| priorityDate | 2013-03-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 48.