Preparation method of macromonomer for polymer polyol
The invention relates to a preparation method of a macromonomer for polymer polyol. The method comprises the following steps: adding a compound containing unsaturated double bonds, a catalyst and water into a reaction kettle, replacing air in the reaction kettle with nitrogen, and carrying out a sti...
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| creator | GUAN SONGYUN ZHOU GUOXIANG ZHU SHU YANG YUQIANG HAO JINGYING LI YUSONG |
| description | The invention relates to a preparation method of a macromonomer for polymer polyol. The method comprises the following steps: adding a compound containing unsaturated double bonds, a catalyst and water into a reaction kettle, replacing air in the reaction kettle with nitrogen, and carrying out a stirring reaction at 10-30 DEG C for 2-3 hours; adding polyether polyol into the kettle, and reacting for 3-5 hours under the conditions that the temperature is 50-60 DEG C and the pressure is 0.02-0.5 MPa; heating to 100-130 DEG C, reacting for 5-8 hours under the pressure of 0.02-0.5 MPa, and vacuumizing to remove for 2-3 hours; keeping the reaction temperature at 100-130 DEG C, adding ethylene oxide into the kettle under micro-positive pressure of the system, and reacting for 3-5 hours; raising the temperature to 140 to 170 DEG C and reacting for 5 to 6 hours under the pressure of 0.02 to 0.5 MPa; and after the reaction is finished, cooling to below 80 DEG C to obtain the macromonomer product for the polymer polyol |
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The method comprises the following steps: adding a compound containing unsaturated double bonds, a catalyst and water into a reaction kettle, replacing air in the reaction kettle with nitrogen, and carrying out a stirring reaction at 10-30 DEG C for 2-3 hours; adding polyether polyol into the kettle, and reacting for 3-5 hours under the conditions that the temperature is 50-60 DEG C and the pressure is 0.02-0.5 MPa; heating to 100-130 DEG C, reacting for 5-8 hours under the pressure of 0.02-0.5 MPa, and vacuumizing to remove for 2-3 hours; keeping the reaction temperature at 100-130 DEG C, adding ethylene oxide into the kettle under micro-positive pressure of the system, and reacting for 3-5 hours; raising the temperature to 140 to 170 DEG C and reacting for 5 to 6 hours under the pressure of 0.02 to 0.5 MPa; and after the reaction is finished, cooling to below 80 DEG C to obtain the macromonomer product for the polymer polyol</description><language>chi ; eng</language><subject>CHEMISTRY ; COMPOSITIONS BASED THEREON ; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS ; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><creationdate>2021</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=20211008&DB=EPODOC&CC=CN&NR=113480725A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20211008&DB=EPODOC&CC=CN&NR=113480725A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GUAN SONGYUN</creatorcontrib><creatorcontrib>ZHOU GUOXIANG</creatorcontrib><creatorcontrib>ZHU SHU</creatorcontrib><creatorcontrib>YANG YUQIANG</creatorcontrib><creatorcontrib>HAO JINGYING</creatorcontrib><creatorcontrib>LI YUSONG</creatorcontrib><title>Preparation method of macromonomer for polymer polyol</title><description>The invention relates to a preparation method of a macromonomer for polymer polyol. 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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | Preparation method of macromonomer for polymer polyol |
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