http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CA-2955301-C
Outgoing Links
Predicate | Object |
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assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_577821cf81fda3e1088e6ed08bcd136b |
classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61K47-34 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L79-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61K47-59 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G73-0233 |
classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K47-34 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G73-02 |
filingDate | 2015-07-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
grantDate | 2023-01-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_298f9c7940d14798ae44882d4aa8b19b http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_309c94588a4f8b9a472da627399c8e2a |
publicationDate | 2023-01-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber | CA-2955301-C |
titleOfInvention | Method for the preparation of uniform, high molar mass cyclic imino ether polymers |
abstract | The present invention relates to a method that enables the production of a uniform polymer of high molar mass from cyclic imino ether monomer. This method comprises the following steps: a) providing a first liquid reaction mixture comprising cyclic imino ether monomer and optionally solvent; b) polymerizing cyclic imino ether monomer in the first reaction mixture by cationic ring opening polymerization to produce a polymerized first reaction mixture containing (i) polymerized material and (ii) solvent and/or unreacted cyclic imino ether monomer; c) separating solvent and/or unreacted cyclic imino ether monomer from polymerized material contained in the polymerized first reaction mixture; d) providing a second liquid reaction mixture containing cyclic imino ether monomer and solvent by combining the separated unreacted cyclic imino ether monomer and/or the separated solvent with other components; and e) polymerizing the cyclic imino ether monomer in the second reaction mixture by cationic ring opening polymerization. The invention also provides a polyoxazoline polymer comprising at least 50 wt.% of repeating units derived from a 2-substituted 2-oxazoline monomer selected from 2-methyl-2-oxazoline, 2-ethyl-2-oxazoline, 2-n-propyl-2-oxazoline, 2-i-propyl-2-oxazoline and combinations thereof, said polymer having a DP of at least 250 and a very low dispersity. |
priorityDate | 2014-07-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 274.