http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-1092265-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_2da12d874b4aa5dff67cc9f1e70f2309 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C22B1-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F36-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F2-38 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F2-42 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C22B1-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F36-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F2-22 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F2-42 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F2-38 |
| filingDate | 1965-07-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1967-11-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-1092265-A |
| titleOfInvention | Process for stopping polymerizations |
| abstract | The polymerization of an ethylenically unsaturated monomer or monomer mixture is terminated by adding as short stopping agent a mixture of (a) a hydroxylamine of formula R1R2OH, where R1 is hydrogen or an alkyl or cycloalkyl group containing up to 18 carbon atoms and R2 is an organic group as for R1, the hydroxylamine being used in an amount of from 0.01 to 0.15 parts per hundred parts of monomer initially present in the polymerizing mixture and (b) a water soluble N,N, di (C1- 6) alkyl substituted dithiocarbamic acid or water soluble salt thereof, the acid or salt being used in an amount less than that required to effect short-stopping of the polymerization when used alone. The hydroxylamine and dithiocarbamic acid or its salt may be added simultaneously to the polymerization mixture as an aqueous solution. The polymerization may be an emulsion process, e.g. for hot or cold synthetic rubber especially butadiene-styrene, and butadiene-acrylonitrile. The hydroxylamine may be N,N-diethylhydroxylamine and the salt, sodium dimethyldithiocarbamate, diethylammonium diethyldithiocarbamate, and dibutylammonium dibutyldithiocarbamate. |
| priorityDate | 1964-07-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 37.