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Aikace-aikacen butanediol a cikin kayan shafawa
Butanediol, yafi acetylene da formaldehyde a matsayin albarkatun kasa.Ana amfani da shi azaman sarkar sarkar don samar da polybutylene terephthalate da polyurethane, kuma a matsayin muhimmin albarkatun kasa don tetrahydrofuran, γ-butyrolactone, magani da haɗin gwiwar kwayoyin halitta.Saboda polybutylene terephthalate wani nau'i ne na polyester tare da kyawawan kaddarorin, buƙatun robobin injiniya yana ƙaruwa da sauri.
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A sosai mai guba dakin gwaje-gwaje sinadaran - propargyl barasa
Propargyl Barasa, kwayoyin dabara C3H4O, kwayoyin nauyi 56. Launi m ruwa, maras tabbas tare da pungent wari, mai guba, tsanani fushi ga fata da idanu.Matsakaici a cikin ƙwayoyin halitta.Yafi amfani da kira na antibacterial da anti-mai kumburi kwayoyi sulfadiazine;Bayan wani ɓangare na hydrogenation, propylene barasa na iya samar da guduro, kuma bayan cikakken hydrogenation, n-propanol za a iya amfani da shi a matsayin albarkatun kasa na anti-tuberculosis magani ethambutol, da sauran sinadaran da kuma magunguna.Zai iya hana acid zuwa ƙarfe, jan ƙarfe da nickel da sauran lalatawar karafa, ana amfani da su azaman mai cire tsatsa.Ana amfani da shi sosai wajen hako mai.Hakanan za'a iya amfani dashi azaman ƙarfi, mai daidaitawa na chlorinated hydrocarbons, herbicide da kwari.Ana iya amfani dashi don samar da acrylic acid, acrolein, 2-aminopyrimidine, γ-picauline, bitamin A, stabilizer, mai hana lalata da sauransu.
Sauran sunayen: propargyl barasa, 2-propargyl - 1-giya, 2-propargyl barasa, propargyl barasa acetylene methanol.
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Propargyl zai yi polymerize kuma ya fashe
Tsarin farko ya dogara ne akan barasa na propargyl a matsayin mai narkewa, KOH a matsayin tushe, yanayin zafi don samun manufa.Reaction ba tare da sauran ƙarfi dilution yanayi zai zama ƙasa da impurities, da dauki ne mafi tsabta.
Idan aka yi la'akari da yuwuwar yuwuwar yuwuwar polymerization da fashewar fashewar tasha alkynes, Amgen's Hazard Evaluation Lab (HEL) ya shiga don yin kima na aminci da kuma taimakawa wajen inganta aiwatarwa kafin yin ƙima har zuwa lita 2 na amsa.
Gwajin DSC ya nuna cewa abin da ya faru ya fara bazuwa a 100 ° C kuma ya saki makamashi na 3667 J / g, yayin da barasa na propargyl da KOH tare, ko da yake makamashi ya ragu zuwa 2433 J / g, amma yanayin zafin jiki ya ragu zuwa 85 ° C, kuma Yanayin zafin jiki yana kusa da 60 ° C, haɗarin aminci ya fi girma.
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1,4-butanediol (BDO) da kuma shirye-shiryenta na PBAT filastik filastik
1, 4-butanediol (BDO);PBAT wani roba ne na thermoplastic biodegradable, wanda shine copolymer na butanediol adipate da butanediol terephthalate.Yana da halaye na PBA (polyadipate-1, 4-butanediol ester diol) da PBT (polybutanediol terephthalate).Yana da kyau ductility da elongation a hutu, kazalika da kyau zafi juriya da tasiri yi.Bugu da ƙari, yana da kyakkyawan yanayin halitta kuma yana ɗaya daga cikin abubuwan da aka fi sani da kwayoyin halitta a cikin bincike na robobi da kuma mafi kyawun aikace-aikace a kasuwa.
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Samar da 1, 4-butanediol (BDO) ta hanyar anhydride na maleic
Akwai manyan matakai guda biyu don samar da BDO ta maleic anhydride.Ɗaya shine tsarin hydrogenation kai tsaye na maleic anhydride wanda Mitsubishi Petrochemical da Mitsubishi Chemical suka kirkira a Japan a cikin 1970s, wanda ke da alaƙa da samar da BDO, THF da GBL a lokaci guda a cikin tsarin hydrogenation na maleic anhydride.Za'a iya samun samfuran abubuwa daban-daban ta hanyar daidaita yanayin tsari.Daya kuma shine tsarin iskar gas na iskar gas na maleic anhydride wanda Kamfanin UCC da Kamfanin Fasaha na Davey Process da ke Burtaniya suka kirkira, wanda aka samu daga fasahar hadakar carbonyl maras nauyi.A cikin 1988, an kammala sake nazarin tsarin tafiyarwa kuma an ba da shawarar ƙirar masana'antu.A 1989, AN MIKA FASSAR ZUWA GA KAMFANIN CHEMICAL NA Korea DA DONGGU CHEMICAL NA Japan DON GINA 20,000-TON / shekara 1, 4-BUtanEDIOL Masana'antu samar da shuka.
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1, 4-butanediol Properties
1, 4-butanediol
Alade: 1, 4-dihydroxybutane.
Gaggawa: BDO, BD, BG.
Sunan Ingilishi: 1, 4-Butanediol;1, 4 - butylene glycol;1, 4 - dihydroxybutane.
Tsarin kwayoyin halitta shine C4H10O2 kuma nauyin kwayoyin shine 90.12.Lambar CAS ita ce 110-63-4, kuma lambar EINECS ita ce 203-785-6.
Tsarin tsari: HOCH2CH2CH2CH2OH.
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Propargyl tsarin samar da barasa da kuma nazarin kasuwa
Propargyl barasa (PA), wanda aka fi sani da suna 2-propargyl barasa-1-ol, ruwa ne mara launi, mai matsakaicin matsakaici tare da kamshin ganye.A yawa ne 0.9485g / cm3, narkewa batu: -50 ℃, tafasa batu: 115 ℃, flash batu: 36 ℃, flammable, fashewa: mai narkewa a cikin ruwa, chloroform, dichloroethane, methanol, ethanol, ethyl ether, dioxane, tetrahydrofuran. pyridine, dan kadan mai narkewa a cikin carbon tetrachloride, wanda ba zai iya narkewa a cikin hydrocarbon aliphatic.Propargyl barasa ne mai muhimmanci sinadaran albarkatun kasa, yadu amfani a magani, sinadaran masana'antu, electroplating, pesticide, karfe, man fetur da sauran filayen.
Aikace-aikace
Kwarewa a cikin samar da barasa na propargyl, 1,4 butynediol da 3-chloropropyne.
