http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-1451882-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_bd9f037f0c3d44188096d85ce9c1b7d7 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F10-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F36-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J35-00 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J35-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F10-00 |
| filingDate | 1974-07-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1976-10-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-1451882-A |
| titleOfInvention | Method to control optimum ratio |
| abstract | 1451882 Automatic control of ratio of components Z S KOROLKOVA A S LIVSHITSIN K N ABUZYAROV M I BREIMAN E M KUKARTSEV A I LUKASHOV I P LIPKA A I LUKYANOV V V ORLYANSKY V V KHARLAMOVA I V GARMONOV A S ESTRIN and M B KOPYLOV 6 July 1974 30057/74 Heading G3R In the preparation of complex organometallic catalysts used for production of synthetic polymers, the ratio of the components of the catalyst is automatically controlled in dependence upon the measured dielectric constant of the catalyst mixture in order to attain an optimum ratio. As explained with reference to a graph Fig. 1 (not shown) the optimum ratio of components occurs when the measured dielectric constant is a minimum. In an automatic control arrangement Fig. 3, a first starting component - a solution of a metal compound having a variable valency e.g. titanium tetra chloride TiCl 4 in toluene is delivered to a reactor vessel 1 via a valve 9 and a second component - a solution of an organometallic compound e.g. triisobutylaluminium in toluene is delivered, deliberately deficient in quantity, via a valve 10 to the reactor vessel, the ratio of the components being pre-set at 0.6 by flow-rate regulators 11, 12. When sufficient quantities have been fed the delivery is stopped and a valve 13 is automatically opened to pass the second component, i.e. the organometallic component, into a loop in which the reactor vessel catalyst mixture is circulated by a pump 17. Pick-ups 14, 15 measure the dielectric constant of the circulating catalyst mixture. Initially the pick-up 15 will sense a lower dielectric constant than 14 due to the injected organometallic component and a differential measuring instrument 16 will measure the differences in detected values. When the optimum ratio of the components is attained the outputs of the pick-ups will be equal, the instrument 16 will read zero and the valve 13 will be automatically closed to stop delivery of the second component. |
| priorityDate | 1974-07-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 21.