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Imikhiqizo

Isebenza ngokukhethekile ekukhiqizeni utshwala be-propargyl, i-1,4 butynediol kanye ne-3-chloropropyne

  • 1,4 butynediol umkhiqizo oqinile ophakeme

    1,4 butynediol umkhiqizo oqinile ophakeme

    CAS:110-65-6

    Izakhiwo zamakhemikhali ze-butynediol: ikristalu emhlophe ye-orthorhombic.Iphoyinti elincibilikayo 58 ℃, iphoyinti elibilayo 238 ℃, 145 ℃ (2KPa), iphoyinti elikhanyayo 152 ℃, inkomba ye-refractive 1.450.Incibilika emanzini, isixazululo se-asidi, i-ethanol ne-acetone, inyibilika kancane ku-chloroform, ayincibiliki ku-benzene ne-ether.

    Ukusetshenziswa: i-butynediol ingasetshenziselwa ukukhiqiza i-butene glycol, i-butynediol, i-n-butanol, i-dihydrofuran, i-tetrahydrofuran γ- Uchungechunge lwemikhiqizo ebalulekile ye-organic efana ne-butyrolactone ne-pyrrolidone ingasetshenziswa futhi ukwenza amapulasitiki okwenziwa, imicu yokwenziwa (inayiloni-4), isikhumba sokwenziwa, imithi, izibulala-zinambuzane, izinyibilikisi (N-methyl pyrrolidone) kanye nezivimbelakuvunda.I-Butynediol ngokwayo iyi-solvent enhle futhi isetshenziswa njengento ekhanyayo embonini ye-electroplating.

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  • Uketshezi oluphuzi oluphaphathekile olunobuthi obuphezulu 1,4-butynediol

    Uketshezi oluphuzi oluphaphathekile olunobuthi obuphezulu 1,4-butynediol

    I-1,4-butynediol eqinile, ifomula yamakhemikhali engu-C4H6O2, ikristalu emhlophe ye-orthorhombic.Incibilika emanzini, i-asidi, i-ethanol ne-acetone, ayincibiliki ku-benzene ne-ether.Ingacasula ulwelwesi lwamafinyila, isikhumba kanye nomgudu wokuphefumula ongaphezulu wamehlo.Embonini, okuqinile kwe-1,4-butynediol kulungiselelwe ngokuyinhloko indlela ye-Reppe, eyenziwe nge-butynediol yethusi noma i-copper bismuth catalyst, futhi ilungiswa ngokusabela kwe-acetylene ne-formaldehyde ngaphansi kwengcindezi (1 ~ 20 bar) kanye nokufudumeza (110 ~ 112 ° C) .I-butynediol engahluziwe itholakala ngokusabela, futhi umkhiqizo oqediwe utholakala ngokugxila nokucwengisiswa.

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  • 3-chloropropyne uketshezi oluvuthayo olungenambala olunobuthi obuphezulu

    3-chloropropyne uketshezi oluvuthayo olungenambala olunobuthi obuphezulu

    I-3-chloropropyne iyinhlanganisela yemvelo enefomula yesakhiwo ch ≡ cch2cl.Ukubonakala kuwuketshezi oluvuthayo olungenambala.Iphuzu elincibilikayo -78 ℃, iphoyinti elibilayo 57 ℃ (65 ℃), ukuminyana kwesihlobo 1.0297, inkomba ye-refractive 1.4320.Iphoyinti elikhanyayo elingu-32.2-35 ℃, elicishe lingancibiliki emanzini ne-glycerol, lihlangana ne-benzene, i-carbon tetrachloride, i-ethanol, i-ethylene glycol, i-ether ne-ethyl acetate.Itholakala ngokusabela utshwala be-propargyl nge-phosphorus trichloride.Isetshenziswa njengendawo emaphakathi ku-organic synthesis.

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  • Uketshezi olunobuthi obuphezulu bomkhiqizo we-propargyl alcoho

    Uketshezi olunobuthi obuphezulu bomkhiqizo we-propargyl alcoho

    Uketshezi olungenambala, oluguquguqukayo olunephunga elimnandi.Kulula ukuphenduka kube phuzi uma ibekwe isikhathi eside, ikakhulukazi uma kuvezwe ekukhanyeni.Ixubene namanzi, i-benzene, i-chloroform, i-1,2-dichloroethane, i-ether, i-ethanol, i-acetone, i-dioxane, i-tetrahydrofuran ne-pyridine, inyibilika kancane ku-carbon tetrachloride, kodwa ayincibiliki kuma-aliphatic hydrocarbon.

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  • Inqubo yokukhiqiza utshwala be-Propargyl kanye nokuhlaziywa kwemakethe

    Inqubo yokukhiqiza utshwala be-Propargyl kanye nokuhlaziywa kwemakethe

    I-Propargyl alcohol (PA), ngokwekhemikhali eyaziwa ngokuthi i-2-propargyl alcohol-1-ol, iwuketshezi olungenambala, oluguquguquka ngokulingene olunephunga elimnandi leqabunga.Ukuminyana kungu-0.9485g/cm3, indawo encibilikayo: -50 ℃, indawo abilayo: 115 ℃, i-flash point: 36 ℃, evuthayo, eqhumayo: encibilika emanzini, i-chloroform, i-dichloroethane, i-methanol, i-ethanol, i-ethyl ether, i-dioxane, i-tetrahydrone, I-pyridine, inyibilika kancane ku-carbon tetrachloride, engancibiliki ku-aliphatic hydrocarbon.Utshwala be-Propargyl buyinto ebalulekile yamakhemikhali eluhlaza, esetshenziswa kabanzi kwezokwelapha, imboni yamakhemikhali, i-electroplating, i-pesticide, insimbi, i-petroleum neminye imikhakha.

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  • Ukusetshenziswa kwe-butanediol ku-cosmetics

    Ukusetshenziswa kwe-butanediol ku-cosmetics

    I-Butanediol, ikakhulukazi i-acetylene ne-formaldehyde njengezinto zokusetshenziswa.Isetshenziswa njenge-chain extender ekukhiqizeni i-polybutylene terephthalate ne-polyurethane, futhi njengento ebalulekile eluhlaza ye-tetrahydrofuran, i-γ-butyrolactone, imithi kanye ne-organic synthesis.Ngenxa yokuthi i-polybutylene terephthalate iwuhlobo lwe-polyester enezakhiwo ezinhle, isidingo samapulasitiki obunjiniyela sikhula ngokushesha.

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  • Ikhemikhali yaselabhorethri enobuthi kakhulu - i-propargyl alcohol

    Ikhemikhali yaselabhorethri enobuthi kakhulu - i-propargyl alcohol

    I-Propargyl Utshwala, ifomula yamangqamuzana C3H4O, isisindo samangqamuzana 56. Uketshezi olungenambala olusobala, oluguquguqukayo olunephunga elimnandi, olunobuthi, ukucasuka okukhulu esikhumbeni nasemasweni.I-intermediate in organic synthesis.Ikakhulu esetshenziselwa ukuhlanganiswa kwezidakamizwa ezilwa namagciwane kanye ne-anti-inflammatory sulfadiazine;Ngemuva kwe-hydrogenation eyingxenye, i-propylene alcohol ingakhiqiza i-resin, futhi ngemva kwe-hydrogenation ephelele, i-n-propanol ingasetshenziswa njengempahla eluhlaza ye-anti-tuberculosis drug ethambutol, kanye neminye imikhiqizo yamakhemikhali nemithi.Ingakwazi ukuvimbela i-asidi ku-iron, ithusi ne-nickel nezinye izinsimbi, ezisetshenziswa njengesikhiphi sokugqwala.Kusetshenziswa kakhulu ekukhishweni kukawoyela.Ingasetshenziswa futhi njenge-solvent, i-stabilizer yama-hydrocarbon e-chlorinated, i-herbicide kanye nesibulala-zinambuzane.Ingasetshenziselwa ukukhiqizwa kwe-acrylic acid, i-acrolein, i-2-aminopyrimidine, i-γ-picauline, i-vitamin A, i-stabilizer, i-corrosion inhibitor nokunye.

    Amanye amagama: i-propargyl alcohol, i-2-propargyl - i-1-alcohol, i-2-propargyl alcohol, i-propargyl alcohol acetylene methanol.

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  • I-Propargyl izokwenziwa i-polymerize futhi iqhume

    I-Propargyl izokwenziwa i-polymerize futhi iqhume

    Inqubo yokuqala isuselwe ku-propargyl alcohol njenge-solvent, i-KOH njengesisekelo, ukusabela kokushisisa ukuze kutholwe okuhlosiwe.Ukusabela ngaphandle kwezimo ze-solvent dilution kuzoba ukungcola okuncane, ukusabela kuhlanzekile.

    Uma kucatshangelwa i-polymerization enamandla engase ibe khona kanye nokubola okuqhumayo kwama-alkynes etheminali, I-Amgen's Hazard Evaluation Lab (HEL) yangenela ukuze yenze ukuhlola kokuphepha futhi isize ekuthuthukiseni inqubo ngaphambi kokukala kuze kufike kumalitha angu-2 okusabela.

    Ukuhlolwa kwe-DSC kukhombisa ukuthi ukusabela kuqala ukubola ku-100 ° C futhi kukhulule amandla angama-3667 J/g, kuyilapho i-propargyl alcohol ne-KOH ndawonye, ​​nakuba amandla ehla aze afike ku-2433 J/g, kodwa izinga lokushisa lokubola nalo lehla liye ku-85 ° C, futhi izinga lokushisa lenqubo lisondele kakhulu ku-60 °C, ingozi yokuphepha inkulu.

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  • 1,4-butanediol (BDO) kanye nokulungiswa kwayo kwePBAT yepulasitiki ebolayo

    1,4-butanediol (BDO) kanye nokulungiswa kwayo kwePBAT yepulasitiki ebolayo

    1, 4-butanediol (BDO);I-PBAT iyipulasitiki ekwazi ukubola nge-thermoplastic, eyi-copolymer ye-butanediol adipate ne-butanediol terephthalate.Inezici ze-PBA (i-polyadipate-1, i-4-butanediol ester diol) ne-PBT (i-polybutanediol terephthalate).Ine-ductility enhle kanye nobude ngesikhathi sekhefu, kanye nokumelana nokushisa okuhle nokusebenza komthelela.Ngaphezu kwalokho, inokubola okuhle kakhulu kwe-biodegradability futhi ingenye yezinto ezidume kakhulu ezibolayo ocwaningweni lwamapulasitiki abolayo kanye nokusetshenziswa okuhle kakhulu emakethe.

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  • Ukukhiqizwa kwe-1, 4-butanediol (BDO) ngendlela ye-maleic anhydride

    Ukukhiqizwa kwe-1, 4-butanediol (BDO) ngendlela ye-maleic anhydride

    Kunezinqubo ezimbili eziyinhloko zokukhiqizwa kwe-BDO nge-anhydride ye-maleic.Enye inqubo ye-hydrogenation eqondile ye-maleic anhydride eyakhiwe yi-Mitsubishi Petrochemical and Mitsubishi Chemical e-Japan ngeminyaka yawo-1970, ebonakala ngokukhiqizwa ngesikhathi esisodwa kwe-BDO, THF kanye ne-GBL ohlelweni lwe-hydrogenation lwe-maleic anhydride.Imikhiqizo yezingoma ezihlukene ingatholakala ngokulungisa izimo zenqubo.Enye inqubo ye-gas esterification hydrogenation ye-maleic anhydride eyakhiwe yi-UCC Company kanye ne-Davey Process Technology Company e-United Kingdom, ethuthukiswe kusukela kubuchwepheshe obuphansi be-carbonyl synthesis.Ngo-1988, ukuhlolwa kabusha kokugeleza kwenqubo kwaqedwa futhi nomklamo wezimboni wahlongozwa.Ngo-1989, UBUCHWEPHESHE BATHUNYELWA E-DongSANG CHEMICAL COMPANY YASE-Korea KANYE NE-DONGGU CHEMICAL Company yase-Japan UKUZE KWAKHIWE I-20,000-TON/year 1, 4-BUtanEDIOL INDUSTRIAL Production PLANT.

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  • 1, 4-butanediol izakhiwo

    1, 4-butanediol izakhiwo

    1, 4-butanediol

    Isibizo: 1, 4-dihydroxybutane.

    Isifinyezo: BDO,BD,BG.

    Igama lesiNgisi: 1, 4-Butanediol;1, 4 - butylene glycol;1, 4 - i-dihydroxybutane.

    Ifomula yamangqamuzana ithi C4H10O2 futhi isisindo samangqamuzana singu-90.12.Inombolo ye-CAS ithi 110-63-4, futhi inombolo ye-EINECS ithi 203-785-6.

    Ifomula yesakhiwo: HOCH2CH2CH2CH2OH.

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