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1,4 butynediol cholimba chapamwamba kwambiri
CAS: 110-65-6
Chemical katundu wa butynediol: woyera orthorhombic crystal.Malo osungunuka 58 ℃, otentha 238 ℃, 145 ℃ (2KPa), flash point 152 ℃, refractive index 1.450.Amasungunuka m'madzi, asidi, ethanol ndi acetone, amasungunuka pang'ono mu chloroform, osasungunuka mu benzene ndi ether.
Kagwiritsidwe: butynediol ikhoza kugwiritsidwa ntchito kupanga butene glycol, butynediol, n-butanol, dihydrofuran, tetrahydrofuran γ- Mndandanda wa zinthu zofunika kwambiri zamoyo monga butyrolactone ndi pyrrolidone zingagwiritsidwe ntchito popanga mapulasitiki opangidwa, nylon-4), zikopa zopangira, mankhwala, mankhwala ophera tizilombo, zosungunulira (N-methyl pyrrolidone) ndi zoteteza.Butynediol palokha ndi zosungunulira zabwino ndipo amagwiritsidwa ntchito ngati kuwala mu makampani electroplating.
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Madzi otumbululuka achikasu oopsa kwambiri 1,4-butynediol
1,4-butynediol olimba, mankhwala chilinganizo C4H6O2, woyera orthorhombic crystal.Amasungunuka m'madzi, asidi, ethanol ndi acetone, osasungunuka mu benzene ndi ether.Ikhoza kukhumudwitsa mucous nembanemba, khungu ndi chapamwamba kupuma thirakiti maso.M'makampani, 1,4-butynediol yolimba imakonzedwa makamaka ndi njira ya Reppe, yopangidwa ndi butynediol mkuwa kapena copper bismuth chothandizira, ndipo imakonzedwa ndikuchita kwa acetylene ndi formaldehyde popanikizika (1 ~ 20 bar) ndi kutentha (110 ~ 112 ° C) .Butynediol yaiwisi imapezeka mwa kuchitapo kanthu, ndipo chomalizidwacho chimapezeka kudzera mu ndende ndi kuyenga.
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3-chloropropyne zopanda mtundu zamadzimadzi zomwe zimatha kuyaka
3-chloropropyne ndi organic pawiri ndi structural chilinganizo ch ≡ cch2cl.Maonekedwe ake ndi madzi oyaka opanda mtundu.Malo osungunuka -78 ℃, malo otentha 57 ℃ (65 ℃), kachulukidwe wachibale 1.0297, refractive index 1.4320.Flash point 32.2-35 ℃, pafupifupi yosasungunuka m'madzi ndi glycerol, yosakanikirana ndi benzene, carbon tetrachloride, ethanol, ethylene glycol, ether ndi ethyl acetate.Amapezeka pochita mowa wa propargyl ndi phosphorous trichloride.Amagwiritsidwa ntchito ngati wapakatikati mu organic synthesis.
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Zamadzimadzi oopsa kwambiri kuposa mowa wa propargyl
Madzi opanda mtundu, osasunthika komanso onunkhira.N'zosavuta kutembenukira chikasu pamene aikidwa kwa nthawi yaitali, makamaka pamene kuwala.Ndi miscible ndi madzi, benzene, chloroform, 1,2-dichloroethane, ether, ethanol, acetone, dioxane, tetrahydrofuran ndi pyridine, sungunuka pang'ono mu carbon tetrachloride, koma osasungunuka mu aliphatic hydrocarbons.
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Njira yopanga mowa wa Propargyl ndi kusanthula msika
Propargyl alcohol (PA), yomwe imadziwika kuti 2-propargyl alcohol-1-ol, ndi madzi opanda mtundu, osasunthika pang'ono okhala ndi fungo lonunkhira la masamba.Kachulukidwe ndi 0.9485g/cm3, malo osungunuka: -50 ℃, mfundo yowira: 115 ℃, kung'anima: 36 ℃, yoyaka, yophulika: sungunuka m'madzi, chloroform, dichloroethane, methanol, ethanol, ethyl ether, dioxane, tetrafurahydron, pyridine, sungunuka pang'ono mu carbon tetrachloride, wosasungunuka mu aliphatic hydrocarbon.Propargyl mowa ndi zofunika mankhwala zopangira, chimagwiritsidwa ntchito mankhwala, makampani mankhwala, electroplating, mankhwala, zitsulo, mafuta ndi madera ena.
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Kugwiritsa ntchito butanediol mu zodzoladzola
Butanediol, makamaka acetylene ndi formaldehyde monga zopangira.Amagwiritsidwa ntchito ngati unyolo wowonjezera popanga polybutylene terephthalate ndi polyurethane, komanso ngati zofunikira zopangira tetrahydrofuran, γ-butyrolactone, mankhwala ndi organic synthesis.Chifukwa polybutylene terephthalate ndi mtundu wa poliyesitala wokhala ndi zinthu zabwino, kufunikira kwa mapulasitiki a engineering kukuchulukirachulukira.
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A kwambiri poizoni zasayansi mankhwala - propargyl mowa
Propargyl Mowa, molecular formula C3H4O, molekyulu yolemera 56. Madzi osawoneka bwino, osasunthika ndi fungo lamphamvu, lowopsa, lopweteka kwambiri pakhungu ndi maso.Wapakati mu organic synthesis.Makamaka ntchito synthesis wa antibacterial ndi odana ndi kutupa mankhwala sulfadiazine;Pambuyo pang'onopang'ono hydrogenation, propylene mowa akhoza kutulutsa utomoni, ndipo pambuyo wathunthu hydrogenation, n-propanol angagwiritsidwe ntchito ngati zopangira odana TB mankhwala ethambutol, komanso mankhwala ena ndi mankhwala mankhwala.Kodi ziletsa asidi kuti chitsulo, mkuwa ndi faifi tambala ndi zina zitsulo dzimbiri, ntchito ngati dzimbiri kuchotsa.Amagwiritsidwa ntchito kwambiri pochotsa mafuta.Itha kugwiritsidwanso ntchito ngati zosungunulira, stabilizer wa chlorinated hydrocarbons, herbicide ndi mankhwala ophera tizilombo.Ikhoza kugwiritsidwa ntchito popanga acrylic acid, acrolein, 2-aminopyrimidine, γ-picauline, vitamini A, stabilizer, corrosion inhibitor ndi zina zotero.
Mayina ena: mowa wa propargyl, 2-propargyl - 1-mowa, 2-propargyl mowa, propargyl mowa acetylene methanol.
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Propargyl idzaphulika ndikuphulika
Njira yoyamba imatengera mowa wa propargyl monga zosungunulira, KOH monga maziko, momwe zimatenthetsera kuti mupeze chandamale.Zochita popanda zosungunulira dilution zinthu adzakhala zochepa zosafunika, zimene ndi zoyera.
Poganizira za kuthekera koyambitsa ma polymerization ndi kuwonongeka kwa ma terminal alkynes, Amgen's Hazard Evaluation Lab (HEL) adalowapo kuti ayese chitetezo ndikuthandizira kukhathamiritsa ntchito asanawonjezere malita awiri a zomwe zimachitika.
Mayeso a DSC akuwonetsa kuti zomwe zimachitika zimayamba kuwola pa 100 ° C ndikutulutsa mphamvu 3667 J / g, pomwe mowa wa propargyl ndi KOH palimodzi, ngakhale mphamvu imatsikira ku 2433 J / g, koma kutentha kumatsikiranso mpaka 85 ° C, ndipo kutentha kwa ndondomeko kuli pafupi kwambiri ndi 60 ° C, chiopsezo cha chitetezo ndi chachikulu.
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1,4-butanediol (BDO) ndikukonzekera kwake kwa PBAT yapulasitiki yosasinthika
1, 4-butanediol (BDO);PBAT ndi pulasitiki ya thermoplastic biodegradable, yomwe ndi copolymer ya butanediol adipate ndi butanediol terephthalate.Ili ndi makhalidwe a PBA (polyadipate-1, 4-butanediol ester diol) ndi PBT (polybutanediol terephthalate).Ili ndi ductility yabwino komanso elongation panthawi yopuma, komanso kukana kutentha kwabwino komanso magwiridwe antchito.Kuphatikiza apo, ili ndi biodegradability yabwino kwambiri ndipo ndi imodzi mwazinthu zodziwika bwino zomwe zimatha kuwonongeka pakufufuza mapulasitiki owonongeka komanso kugwiritsa ntchito bwino kwambiri pamsika.
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Kupanga 1, 4-butanediol (BDO) ndi njira ya maleic anhydride
Pali njira ziwiri zazikulu zopangira BDO ndi maleic anhydride.Imodzi ndi njira yachindunji ya hydrogenation ya maleic anhydride yopangidwa ndi Mitsubishi Petrochemical ndi Mitsubishi Chemical ku Japan m'ma 1970, yomwe imadziwika ndi kupanga munthawi yomweyo BDO, THF ndi GBL mu njira ya hydrogenation ya maleic anhydride.Zamgulu zosiyanasiyana nyimbo akhoza analandira ndi kusintha ndondomeko zinthu.Ina ndi njira ya gasi esterification hydrogenation ya maleic anhydride yopangidwa ndi UCC Company ndi Davey Process Technology Company ku United Kingdom, yomwe imapangidwa kuchokera kuukadaulo wocheperako wa carbonyl synthesis.Mu 1988, kuunikanso kwa kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe kakeMu 1989, TEKNOLOGY INASALUTSIDWA KU DongSANG CHEMICAL COMPANY OF Korea NDI DONGGU CHEMICAL Company OF Japan KUTI AMANGA 20,000-TON/chaka 1, 4-BUtanEDIOL INDUSTRIAL Production PLANT.
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1, 4-butanediol katundu
1, 4-butanediol
Dzina lina: 1, 4-dihydroxybutane.
Chidule cha BDO,BD,BG.
Dzina lachingerezi: 1, 4-Butanediol;1, 4 - butylene glycol;1, 4 - dihydroxybutane.
The molecular formula ndi C4H10O2 ndipo molecular kulemera ndi 90.12.Nambala ya CAS ndi 110-63-4, ndipo nambala ya EINECS ndi 203-785-6.
Njira yopangira: HOCH2CH2CH2CH2OH.
Zogulitsa
Okhazikika pakupanga mowa wa propargyl, 1,4 butynediol ndi 3-chloropropyne
