Preparation method of propylene acyloxy propyl trialkoxy silane
The invention discloses a preparation method of propylene acyloxy propyl trialkoxy silane, wherein the preparation method comprises the following steps: (1) putting acrylate in advance, and then sucking a raw material chloropropyl trialkoxy silane into a reaction kettle; (2) putting a phase transfer...
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| creator | LIU LEI FANG JIANHUI SHU YAFEI DAI JIANCAI LIU ZUFENG YUE LI CHEN XIAOHUA |
| description | The invention discloses a preparation method of propylene acyloxy propyl trialkoxy silane, wherein the preparation method comprises the following steps: (1) putting acrylate in advance, and then sucking a raw material chloropropyl trialkoxy silane into a reaction kettle; (2) putting a phase transfer catalyst and a polymerization inhibitor A; (3) carrying out a stirring reaction for 3-6 h at the temperature of 100-140 DEG C; (4) after the reaction is completed, cooling a kettle temperature to room temperature, then discharging and centrifuging; and (5) putting the filtrate obtained after centrifugation, rectifying, adding a polymerization inhibitor B, collecting a fraction under a negative pressure, and thus obtaining the high-purity propylene acyloxy propyl trialkoxy silane. The preparation method has the beneficial effects that the phase transfer catalyst and the polymerization inhibitor A are used in the condensation reaction process, and the polymerization inhibition technology is also used in the rectification process, so that the synthesis efficiency and the product purity are greatly improved, the risk of polymerization is reduced, and besides, comprehensive social benefits of low energy consumption and low emissions are obtained. |
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The preparation method has the beneficial effects that the phase transfer catalyst and the polymerization inhibitor A are used in the condensation reaction process, and the polymerization inhibition technology is also used in the rectification process, so that the synthesis efficiency and the product purity are greatly improved, the risk of polymerization is reduced, and besides, comprehensive social benefits of low energy consumption and low emissions are obtained.</description><language>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>2015</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=20150923&DB=EPODOC&CC=CN&NR=104926853A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150923&DB=EPODOC&CC=CN&NR=104926853A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LIU LEI</creatorcontrib><creatorcontrib>FANG JIANHUI</creatorcontrib><creatorcontrib>SHU YAFEI</creatorcontrib><creatorcontrib>DAI JIANCAI</creatorcontrib><creatorcontrib>LIU ZUFENG</creatorcontrib><creatorcontrib>YUE LI</creatorcontrib><creatorcontrib>CHEN XIAOHUA</creatorcontrib><title>Preparation method of propylene acyloxy propyl trialkoxy silane</title><description>The invention discloses a preparation method of propylene acyloxy propyl trialkoxy silane, wherein the preparation method comprises the following steps: (1) putting acrylate in advance, and then sucking a raw material chloropropyl trialkoxy silane into a reaction kettle; (2) putting a phase transfer catalyst and a polymerization inhibitor A; (3) carrying out a stirring reaction for 3-6 h at the temperature of 100-140 DEG C; (4) after the reaction is completed, cooling a kettle temperature to room temperature, then discharging and centrifuging; and (5) putting the filtrate obtained after centrifugation, rectifying, adding a polymerization inhibitor B, collecting a fraction under a negative pressure, and thus obtaining the high-purity propylene acyloxy propyl trialkoxy silane. 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The preparation method has the beneficial effects that the phase transfer catalyst and the polymerization inhibitor A are used in the condensation reaction process, and the polymerization inhibition technology is also used in the rectification process, so that the synthesis efficiency and the product purity are greatly improved, the risk of polymerization is reduced, and besides, comprehensive social benefits of low energy consumption and low emissions are obtained.</abstract><oa>free_for_read</oa></addata></record> |
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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 method of propylene acyloxy propyl trialkoxy silane |
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