Synthesizing and purifying method for high-purity bicyclophosphonate
The invention provides a synthesizing and purifying method for high-purity bicyclophosphonate, and relates to the synthesizing and purifying method for the high-purity bicyclophosphonate. The invention aims to solve the problem that a target product obtained by a current synthetic method of the cycl...
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| creator | SUN CAIYING DENG JIE XU MINGLI HONG ZIXIAO GE CHENQI |
| description | The invention provides a synthesizing and purifying method for high-purity bicyclophosphonate, and relates to the synthesizing and purifying method for the high-purity bicyclophosphonate. The invention aims to solve the problem that a target product obtained by a current synthetic method of the cyclophosphonate has low purity and poor thermal stability, and after the target product is finished toform a fabric, the fabric has a poor flame-retardant effect. The method comprises the following steps: firstly, under the protection of a nitrogen gas, performing stirring on dimethyl methylphosphonate, trimethylolpropane and ionic liquid [Bmim] BF4 for 15-25 min to form a mixed solution, continuously introducing a nitrogen gas, performing heating to 140-170 DEG C, continuing stirring, and performing constant-temperature distillation for 14-30 h to obtain a light-yellow solution; and secondly, performing gas chromatographic analysis on the light-yellow solution, performing column chromatography separation, performing |
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The invention aims to solve the problem that a target product obtained by a current synthetic method of the cyclophosphonate has low purity and poor thermal stability, and after the target product is finished toform a fabric, the fabric has a poor flame-retardant effect. The method comprises the following steps: firstly, under the protection of a nitrogen gas, performing stirring on dimethyl methylphosphonate, trimethylolpropane and ionic liquid [Bmim] BF4 for 15-25 min to form a mixed solution, continuously introducing a nitrogen gas, performing heating to 140-170 DEG C, continuing stirring, and performing constant-temperature distillation for 14-30 h to obtain a light-yellow solution; and secondly, performing gas chromatographic analysis on the light-yellow solution, performing column chromatography separation, performing</description><language>chi ; eng</language><subject>ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM ; CHEMISTRY ; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR ; LAUNDERING ; METALLURGY ; ORGANIC CHEMISTRY ; TEXTILES ; TREATMENT OF TEXTILES OR THE LIKE ; TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS</subject><creationdate>2019</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=20190503&DB=EPODOC&CC=CN&NR=109705165A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190503&DB=EPODOC&CC=CN&NR=109705165A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SUN CAIYING</creatorcontrib><creatorcontrib>DENG JIE</creatorcontrib><creatorcontrib>XU MINGLI</creatorcontrib><creatorcontrib>HONG ZIXIAO</creatorcontrib><creatorcontrib>GE CHENQI</creatorcontrib><title>Synthesizing and purifying method for high-purity bicyclophosphonate</title><description>The invention provides a synthesizing and purifying method for high-purity bicyclophosphonate, and relates to the synthesizing and purifying method for the high-purity bicyclophosphonate. 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The invention aims to solve the problem that a target product obtained by a current synthetic method of the cyclophosphonate has low purity and poor thermal stability, and after the target product is finished toform a fabric, the fabric has a poor flame-retardant effect. The method comprises the following steps: firstly, under the protection of a nitrogen gas, performing stirring on dimethyl methylphosphonate, trimethylolpropane and ionic liquid [Bmim] BF4 for 15-25 min to form a mixed solution, continuously introducing a nitrogen gas, performing heating to 140-170 DEG C, continuing stirring, and performing constant-temperature distillation for 14-30 h to obtain a light-yellow solution; and secondly, performing gas chromatographic analysis on the light-yellow solution, performing column chromatography separation, performing</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 FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR LAUNDERING METALLURGY ORGANIC CHEMISTRY TEXTILES TREATMENT OF TEXTILES OR THE LIKE TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS |
| title | Synthesizing and purifying method for high-purity bicyclophosphonate |
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