Liquid urea speed reducer, preparation method thereof, and solid propellant
The invention provides a liquid type urea speed reducer, a preparation method thereof, and a solid propellant. The structural formula of the speed reducer is X2NCO(NHCO)mNX2 or X2NCO(NH)nCONX2, wherein X is C2H4CN or hydrogen, and at most two X are hydrogen; and m is 1-10, and n is 0-10. The speed r...
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| creator | PANG AIMIN PAN XINZHOU WU ZHUO WANG YUE XU SHUANG LI HAITAO CHENG HONGBO ZHAO MIN LI SHANGWEN |
| description | The invention provides a liquid type urea speed reducer, a preparation method thereof, and a solid propellant. The structural formula of the speed reducer is X2NCO(NHCO)mNX2 or X2NCO(NH)nCONX2, wherein X is C2H4CN or hydrogen, and at most two X are hydrogen; and m is 1-10, and n is 0-10. The speed reducer is prepared from a urea compound, acrylonitrile and strong base. The preparation method provided by the invention is simple in process, low in cost and suitable for industrial production, the prepared liquid speed reducer has better dispersity and speed reduction effect compared with a common solid speed reducer, can reduce the burning rate and the pressure index of a propellant at the same time, and the speed reducer has a wide application prospect in solid propellants.
本发明提供了一种液体型脲类降速剂、制备方法及固体推进剂，该降速剂的结构式为：X2NCO(NHCO)mNX2或X2NCO(NH)nCONX2；其中X为C2H4CN或氢，且最多两个X为氢；m为1～10，n＝0～10。该降速剂通过脲类化合物、丙烯腈和强碱制备得到，本发明提供的制备方法工艺简单，成本低廉，适合工业化生产，制备的液体降速剂与常见的固体降速剂相比具有更好的分散性和降速效果，可同时降低推进剂的燃速和压强指数，该类降速剂在固体推进剂中有广泛的应用前景。 |
| format | Patent |
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本发明提供了一种液体型脲类降速剂、制备方法及固体推进剂，该降速剂的结构式为：X2NCO(NHCO)mNX2或X2NCO(NH)nCONX2；其中X为C2H4CN或氢，且最多两个X为氢；m为1～10，n＝0～10。该降速剂通过脲类化合物、丙烯腈和强碱制备得到，本发明提供的制备方法工艺简单，成本低廉，适合工业化生产，制备的液体降速剂与常见的固体降速剂相比具有更好的分散性和降速效果，可同时降低推进剂的燃速和压强指数，该类降速剂在固体推进剂中有广泛的应用前景。</description><language>chi ; eng</language><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS ; CHEMISTRY ; EXPLOSIVES ; EXPLOSIVES OR THERMIC COMPOSITIONS ; MANUFACTURE THEREOF ; MATCHES ; METALLURGY ; ORGANIC CHEMISTRY ; USE OF SINGLE SUBSTANCES AS EXPLOSIVES</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=20211221&DB=EPODOC&CC=CN&NR=113816812A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25544,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20211221&DB=EPODOC&CC=CN&NR=113816812A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>PANG AIMIN</creatorcontrib><creatorcontrib>PAN XINZHOU</creatorcontrib><creatorcontrib>WU ZHUO</creatorcontrib><creatorcontrib>WANG YUE</creatorcontrib><creatorcontrib>XU SHUANG</creatorcontrib><creatorcontrib>LI HAITAO</creatorcontrib><creatorcontrib>CHENG HONGBO</creatorcontrib><creatorcontrib>ZHAO MIN</creatorcontrib><creatorcontrib>LI SHANGWEN</creatorcontrib><title>Liquid urea speed reducer, preparation method thereof, and solid propellant</title><description>The invention provides a liquid type urea speed reducer, a preparation method thereof, and a solid propellant. The structural formula of the speed reducer is X2NCO(NHCO)mNX2 or X2NCO(NH)nCONX2, wherein X is C2H4CN or hydrogen, and at most two X are hydrogen; and m is 1-10, and n is 0-10. The speed reducer is prepared from a urea compound, acrylonitrile and strong base. The preparation method provided by the invention is simple in process, low in cost and suitable for industrial production, the prepared liquid speed reducer has better dispersity and speed reduction effect compared with a common solid speed reducer, can reduce the burning rate and the pressure index of a propellant at the same time, and the speed reducer has a wide application prospect in solid propellants.
本发明提供了一种液体型脲类降速剂、制备方法及固体推进剂，该降速剂的结构式为：X2NCO(NHCO)mNX2或X2NCO(NH)nCONX2；其中X为C2H4CN或氢，且最多两个X为氢；m为1～10，n＝0～10。该降速剂通过脲类化合物、丙烯腈和强碱制备得到，本发明提供的制备方法工艺简单，成本低廉，适合工业化生产，制备的液体降速剂与常见的固体降速剂相比具有更好的分散性和降速效果，可同时降低推进剂的燃速和压强指数，该类降速剂在固体推进剂中有广泛的应用前景。</description><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS</subject><subject>CHEMISTRY</subject><subject>EXPLOSIVES</subject><subject>EXPLOSIVES OR THERMIC COMPOSITIONS</subject><subject>MANUFACTURE THEREOF</subject><subject>MATCHES</subject><subject>METALLURGY</subject><subject>ORGANIC CHEMISTRY</subject><subject>USE OF SINGLE SUBSTANCES AS EXPLOSIVES</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNy7EKwjAURuEsDqK-w3WvQyxI11IUQXFyL5fmLw3E5HqTvL8OPoDTWb6zNre7f1fvqCqYsgCOFK5O0IZEIaxcfIr0QlmSo7JAkeaGODrKKXxP0SQIgWPZmtXMIWP368bsL-fncD1A0ogsPCGijMPD2razp84e-_Yf8wFOsTVa</recordid><startdate>20211221</startdate><enddate>20211221</enddate><creator>PANG AIMIN</creator><creator>PAN XINZHOU</creator><creator>WU ZHUO</creator><creator>WANG YUE</creator><creator>XU SHUANG</creator><creator>LI HAITAO</creator><creator>CHENG HONGBO</creator><creator>ZHAO MIN</creator><creator>LI SHANGWEN</creator><scope>EVB</scope></search><sort><creationdate>20211221</creationdate><title>Liquid urea speed reducer, preparation method thereof, and solid propellant</title><author>PANG AIMIN ; PAN XINZHOU ; WU ZHUO ; WANG YUE ; XU SHUANG ; LI HAITAO ; CHENG HONGBO ; ZHAO MIN ; LI SHANGWEN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN113816812A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2021</creationdate><topic>ACYCLIC OR CARBOCYCLIC COMPOUNDS</topic><topic>CHEMISTRY</topic><topic>EXPLOSIVES</topic><topic>EXPLOSIVES OR THERMIC COMPOSITIONS</topic><topic>MANUFACTURE THEREOF</topic><topic>MATCHES</topic><topic>METALLURGY</topic><topic>ORGANIC CHEMISTRY</topic><topic>USE OF SINGLE SUBSTANCES AS EXPLOSIVES</topic><toplevel>online_resources</toplevel><creatorcontrib>PANG AIMIN</creatorcontrib><creatorcontrib>PAN XINZHOU</creatorcontrib><creatorcontrib>WU ZHUO</creatorcontrib><creatorcontrib>WANG YUE</creatorcontrib><creatorcontrib>XU SHUANG</creatorcontrib><creatorcontrib>LI HAITAO</creatorcontrib><creatorcontrib>CHENG HONGBO</creatorcontrib><creatorcontrib>ZHAO MIN</creatorcontrib><creatorcontrib>LI SHANGWEN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>PANG AIMIN</au><au>PAN XINZHOU</au><au>WU ZHUO</au><au>WANG YUE</au><au>XU SHUANG</au><au>LI HAITAO</au><au>CHENG HONGBO</au><au>ZHAO MIN</au><au>LI SHANGWEN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Liquid urea speed reducer, preparation method thereof, and solid propellant</title><date>2021-12-21</date><risdate>2021</risdate><abstract>The invention provides a liquid type urea speed reducer, a preparation method thereof, and a solid propellant. The structural formula of the speed reducer is X2NCO(NHCO)mNX2 or X2NCO(NH)nCONX2, wherein X is C2H4CN or hydrogen, and at most two X are hydrogen; and m is 1-10, and n is 0-10. The speed reducer is prepared from a urea compound, acrylonitrile and strong base. The preparation method provided by the invention is simple in process, low in cost and suitable for industrial production, the prepared liquid speed reducer has better dispersity and speed reduction effect compared with a common solid speed reducer, can reduce the burning rate and the pressure index of a propellant at the same time, and the speed reducer has a wide application prospect in solid propellants.
本发明提供了一种液体型脲类降速剂、制备方法及固体推进剂，该降速剂的结构式为：X2NCO(NHCO)mNX2或X2NCO(NH)nCONX2；其中X为C2H4CN或氢，且最多两个X为氢；m为1～10，n＝0～10。该降速剂通过脲类化合物、丙烯腈和强碱制备得到，本发明提供的制备方法工艺简单，成本低廉，适合工业化生产，制备的液体降速剂与常见的固体降速剂相比具有更好的分散性和降速效果，可同时降低推进剂的燃速和压强指数，该类降速剂在固体推进剂中有广泛的应用前景。</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY EXPLOSIVES EXPLOSIVES OR THERMIC COMPOSITIONS MANUFACTURE THEREOF MATCHES METALLURGY ORGANIC CHEMISTRY USE OF SINGLE SUBSTANCES AS EXPLOSIVES |
| title | Liquid urea speed reducer, preparation method thereof, and solid propellant |
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