Preparation process, preparation apparatus and preparation method of methyl phosphinate
The invention discloses an efficient, low-pollution and safe methyl phosphinate preparation process, a corresponding methyl phosphinate preparation apparatus and a methyl phosphinate preparation method, and belongs to the technical field of methyl phosphinate production. According to the present inv...
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| creator | FAN QIAN REN JIE CHENG KE PENG QICAI ZHANG FEI ZENG BAIQING |
| description | The invention discloses an efficient, low-pollution and safe methyl phosphinate preparation process, a corresponding methyl phosphinate preparation apparatus and a methyl phosphinate preparation method, and belongs to the technical field of methyl phosphinate production. According to the present invention, under a negative pressure of -0.095 to -0.001 MPa at a reaction temperature of 35-90 DEG C, methyl phosphorus dichloride and alcohol ROH are subjected to a reaction to prepare the methyl phosphinate, wherein the reaction by-products such as the chlorinated hydrocarbon and the alcohol can instantaneously be vaporized to absorb the heat so as to rapidly take away the heat released by the reaction and make the reaction be stably performed at the low temperature, and the hydrogen chloride, the chlorinated hydrocarbon, the alcohol and the like can be rapidly removed from the reaction system so as to avoid the side reaction occurrence caused by the hydrogen chloride, reduce the generation of the toxic substance, |
| format | Patent |
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According to the present invention, under a negative pressure of -0.095 to -0.001 MPa at a reaction temperature of 35-90 DEG C, methyl phosphorus dichloride and alcohol ROH are subjected to a reaction to prepare the methyl phosphinate, wherein the reaction by-products such as the chlorinated hydrocarbon and the alcohol can instantaneously be vaporized to absorb the heat so as to rapidly take away the heat released by the reaction and make the reaction be stably performed at the low temperature, and the hydrogen chloride, the chlorinated hydrocarbon, the alcohol and the like can be rapidly removed from the reaction system so as to avoid the side reaction occurrence caused by the hydrogen chloride, reduce the generation of the toxic substance,</description><language>chi ; eng</language><subject>ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM ; CHEMISTRY ; METALLURGY ; ORGANIC CHEMISTRY</subject><creationdate>2017</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170517&DB=EPODOC&CC=CN&NR=106674275A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170517&DB=EPODOC&CC=CN&NR=106674275A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FAN QIAN</creatorcontrib><creatorcontrib>REN JIE</creatorcontrib><creatorcontrib>CHENG KE</creatorcontrib><creatorcontrib>PENG QICAI</creatorcontrib><creatorcontrib>ZHANG FEI</creatorcontrib><creatorcontrib>ZENG BAIQING</creatorcontrib><title>Preparation process, preparation apparatus and preparation method of methyl phosphinate</title><description>The invention discloses an efficient, low-pollution and safe methyl phosphinate preparation process, a corresponding methyl phosphinate preparation apparatus and a methyl phosphinate preparation method, and belongs to the technical field of methyl phosphinate production. 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| subjects | ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM CHEMISTRY METALLURGY ORGANIC CHEMISTRY |
| title | Preparation process, preparation apparatus and preparation method of methyl phosphinate |
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