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1,4 butynediol m m samfurin
Saukewa: 110-65-6
Abubuwan sinadarai na butynediol: farin orthorhombic crystal.Matsayin narkewa 58 ℃, wurin tafasa 238 ℃, 145 ℃ (2KPa), ma'anar walƙiya 152 ℃, index refractive 1.450.Mai narkewa a cikin ruwa, maganin acid, ethanol da acetone, dan kadan mai narkewa a cikin chloroform, wanda ba a iya narkewa a cikin benzene da ether.
Amfani: butynediol za a iya amfani da shi don samar da butene glycol, butynediol, n-butanol, dihydrofuran, tetrahydrofuran γ- A jerin muhimman kwayoyin kayayyakin kamar butyrolactone da pyrrolidone za a iya kara amfani da samar roba roba, roba fibers (nylon-4), fata na wucin gadi, magani, magungunan kashe qwari, kaushi (N-methyl pyrrolidone) da abubuwan kiyayewa.Butynediol da kansa yana da ƙarfi mai kyau kuma ana amfani dashi azaman mai haske a masana'antar lantarki.
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Kodadde rawaya ruwa mai guba 1,4-butynediol
1,4-butynediol m, sinadarai dabara C4H6O2, farin orthorhombic crystal.Mai narkewa a cikin ruwa, acid, ethanol da acetone, wanda ba a iya narkewa a cikin benzene da ether.Yana iya fusatar da mucosa, fata da na sama na numfashi na idanu.A cikin masana'antu, 1,4-butynediol m ne yafi shirya ta hanyar Reppe, catalyzed by butynediol jan karfe ko jan bismuth kara kuzari, da kuma shirya ta dauki na acetylene da formaldehyde karkashin matsa lamba (1 ~ 20 bar) da dumama (110 ~ 112 ° C). .Ana samun danyen butynediol ta hanyar amsawa, kuma ana samun samfurin da aka gama ta hanyar maida hankali da tacewa.
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3-chloropropyne ruwa mai ƙonewa mara launi sosai
3-chlororopyne wani fili ne na kwayoyin halitta tare da tsarin tsarin ch ≡ cch2cl.Siffar ruwa ce mai ƙonewa mara launi.Matsayin narkewa -78 ℃, wurin tafasa 57 ℃ (65 ℃), ƙarancin dangi 1.0297, index refractive 1.4320.Filashin batu 32.2-35 ℃, kusan wanda ba a iya narkewa a cikin ruwa da glycerol, wanda ba zai iya jurewa da benzene, carbon tetrachloride, ethanol, ethylene glycol, ether da ethyl acetate.Ana samun shi ta hanyar amsa barasa na propargyl tare da phosphorus trichloride.An yi amfani da shi azaman tsaka-tsaki a cikin haɗin kwayoyin halitta.
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Ruwa mai guba sosai samfurin propargyl alcoho
Ruwa mara launi, mara ƙarfi tare da ƙamshi mai ƙamshi.Yana da sauƙin juya rawaya lokacin da aka sanya shi na dogon lokaci, musamman lokacin da aka fallasa shi zuwa haske.Yana da kuskure tare da ruwa, benzene, chloroform, 1,2-dichloroethane, ether, ethanol, acetone, dioxane, tetrahydrofuran da pyridine, wani sashi mai narkewa a cikin carbon tetrachloride, amma insoluble a aliphatic hydrocarbons.
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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, matsakaicin matsakaici tare da ƙamshin 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.
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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.Daya 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 samfurori na nau'i 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 cikin 1989, ANA 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.
Kayayyaki
Kwarewa a cikin samar da barasa na propargyl, 1,4 butynediol da 3-chloropropyne.
