Mai ƙera Kyawun Farashin N-VINYL PYRROLIDONE (NVP) CAS 88-12-0

An fi amfani da NVP don samar da polyvinylpyrrolidone, wanda aka yi amfani da shi sosai a fagen magani, sinadarai na yau da kullum da masana'antar abinci.

1. Ana amfani da shi sosai a cikin kayan kwalliya, kayan wanke-wanke, magunguna, kayan daukar hoto da sauran fannoni.

2. Don gels ɗin gyaran gashi, magungunan kashe magunguna, da dai sauransu.

Tsarin shirye-shiryen na N-ethylene pheasone, ciki har da matakai masu zuwa: 1. Abubuwan da aka yi amfani da su na shirye-shiryen dehydrated mai kara kuzari sun ƙunshi azurfa sulfate, sodium aluminum silicate, farin gawayi baki, amproof, da multi-oxide. Adadin shine: 0.5: 5: 3: 5: 10; Daga cikin su, multioxides sune gauraye biyar na oxidation guda biyar -钒 da oxide, tin oxide, jima'i oxide, da manganese dioxide; Cakuda ne na oxidation guda biyar da oxide, oxidation biyar biyu -钒 da tin oxide, oxidation biyar biyu -钒 da manganese oxide da manganese dioxide. Cakuda na bakwai hadawan abu da iskar shaka dioxide ne 0.2: 1: 2: 1. The samar matakai na dehydrated catalysts ne: Mix azurfa sulfate, amproof, da kuma multioxides a cikin rabo, sa'an nan ƙara 1 sau da girma na distilled ruwa, daidaita pH darajar sulfuric acid da ammonia ruwa zuwa 6.5 zuwa 7 sodium proportions, sa'an nan kuma ƙara da silicate sodium proportions. Farar gawayi baƙar fata ne, mai zafi kuma an motsa shi don yin daidaitaccen bayani; motsa cikin wanka na ruwa da kuma kwantar da bayani don bushe, bushe a 100-120 ° C na 6 zuwa 8h, sa'an nan kuma gasa don 3 zuwa 5h a 400 ~ 450 ° C. 2. Shirye-shiryen N-hydroxyethylpylpyline (NHP) 1) Mix γ-butanol, ammonia 1: 1 ethannia. 0.2, kuma yana amsawa a 0.5MPa da 40 ° C., Yi matsakaici; 2) Ƙara sieve kwayoyin 0.1WT% da 0.1WT% na dilateyl dihal ether don ƙara yawan zafin jiki zuwa 180 ° C don sa ya bushe da 12h a cikin yanayin da aka riƙe; abin da aka bayyana kamar yadda aka bayyana; me aka ambata? Tasirin kwayoyin halitta shine 10xchemicalbook sieve ko 13X sieve kwayoyin. An zaɓi wannan hanyar azaman sieves na kwayoyin 10x; 3) distillation decompression, injin shine 0.095MPa, kuma yana tattara distillation na wurin tafasa na 210 zuwa 216 ° C. Pyrodorrone; 3. A dehydration dauki na N-hydroxyetylpinol yi distillation ci samu a cikin shirye-shiryen na N-hydroxyethylpinols cikin tururi, gauraye da alkaline gas, acetylene gas, da nitrogen don samun gaseous albarkatun kasa cakuda. Matsakaicin gauraye shine 1: 0.5: 0.1: 0.1; Yi gaseous albarkatun kasa cakuda a karkashin yanayin kafaffen gado reactor na dehydrated mai kara kuzari a zazzabi na 350 ° C, da matsa lamba na 0.01MPa da kuma iskar gas gudun 50-300H-1, da dehydration na dehydration a cikin kafaffen gado reactor Mai kara kuzari ne mai tsanani zuwa 390 ° C, da ma'auni isa bayan da Dehydration Dehydration. Ana fitar da samfurin (NVP) daga kafaffen reactor na gado. Gases na alkaline akalla ɗaya ne na ammonia, methylemine, dihamine, trothalmine, da ethimine. Ɗauki hanyar bincike na chromatography gas, dangane da γ-butthite a matsayin ma'auni na ciki, ethanol a matsayin masu kaushi, bincikar samfurin N-ethylene cheedone wanda aka shirya ta wannan hanyar, ƙididdige ƙimar NHP, zaɓin NVP, kudaden shiga na NVP, wanda gas lokaci lokaci lokaci, wanda iskar gas lokaci lokaci lokaci lokaci, wanda gas lokaci lokaci lokaci lokaci lokaci, wanda gas lokaci ne Chromatographic karfe lokaci lokaci lokaci, na abin da gas lokaci ne Chromatographic karfe ganewar yanayin, polystyle acete. dilate kayyade bayani, nitrogen da aka ɗora Kwatancen, silicanerization 102 farin bambanci, gasification dakin zafin jiki 280 ° C, TCD gane zafin jiki 165 ° C, ginshikan, ginshikan, ginshikan The zazzabi na 190 ° C; ƙididdigewa ta hanyar bincike na chromatography gas: NHP juzu'i na 92.8 %, NVP selectivity 91.5 %, da NVP kudaden shiga na 85.6 %.