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Ubungcali kwimveliso yotywala bepropargyl, 1,4 butynediol kunye ne-3-chloropropyne

  • I-1,4 i-butynediol eyomeleleyo imveliso ephezulu

    I-1,4 i-butynediol eyomeleleyo imveliso ephezulu

    CAS:110-65-6

    Iimpawu zeMichiza ye-butynediol: ikristale emhlophe ye-orthorhombic.Indawo yokunyibilika 58 ℃, iqondo lokubila 238 ℃, 145 ℃ (2KPa), i-flash point 152 ℃, i-refractive index 1.450.Inyibilika emanzini, isisombululo se-asidi, i-ethanol kunye ne-acetone, i-soluble kancinane kwi-chloroform, ayinyibiliki kwi-benzene kunye ne-ether.

    Ukusetyenziswa: i-butynediol ingasetyenziselwa ukuvelisa i-butene glycol, i-butynediol, i-n-butanol, i-dihydrofuran, i-tetrahydrofuran γ- Uluhlu lweemveliso ezibalulekileyo ze-organic ezifana ne-butyrolactone kunye ne-pyrrolidone zingasetyenziselwa ukuvelisa iiplastiki zokwenziwa, ii-synthetic fibers (nylon-4), yesikhumba eyenziweyo, iyeza, i-pesticides, i-solvents (i-N-methyl pyrrolidone) kunye ne-preservatives.I-Butynediol ngokwayo sisinyibilikisi esilungileyo kwaye sisetyenziswa njengento ekhanyayo kwishishini le-electroplating.

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  • Ulwelo olumthubi olumthubi oluyityhefu kakhulu 1,4-butynediol

    Ulwelo olumthubi olumthubi oluyityhefu kakhulu 1,4-butynediol

    I-1,4-butynediol eqinileyo, i-chemical formula C4H6O2, i-crystal orthorhombic emhlophe.Inyibilika emanzini, iasidi, i-ethanol kunye ne-acetone, ayinyibiliki kwi-benzene kunye ne-ether.Inokucaphukisa i-mucous membrane, ulusu kunye nomphezulu wokuphefumla wamehlo.Kumashishini, i-1,4-butynediol eqinile ilungiselelwe ngokukodwa yindlela ye-Reppe, i-catalyzed yi-butynediol copper okanye i-copper bismuth catalyst, kwaye ilungiswe ngokusabela kwe-acetylene kunye ne-formaldehyde phantsi koxinzelelo (i-1 ~ 20 bar) kunye nokufudumeza (110 ~ 112 ° C) .I-butynediol ekrwada ifumaneka ngokusabela, kwaye imveliso egqityiweyo ifunyenwe ngokugxininiswa kunye nokucocwa.

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  • I-3-chloropropyne engenambala ulwelo olunokutsha oluyityhefu kakhulu

    I-3-chloropropyne engenambala ulwelo olunokutsha oluyityhefu kakhulu

    I-3-chloropropyne i-organic compound kunye ne-structural formula ch ≡ cch2cl.Imbonakalo lulwelo olunokutsha olungenambala.Indawo yokunyibilika -78 ℃, iqondo lokubila ngu-57 ℃ (65 ℃), ingxinano ehambelanayo 1.0297, isalathisi se-refractive 1.4320.Indawo edanyazayo yi-32.2-35 ℃, phantse ayinyibiliki emanzini kunye neglycerol, ixubene nebenzene, carbon tetrachloride, ethanol, ethylene glycol, ether kunye ne-ethyl acetate.Ifunyenwe ngokusabela kwi-propargyl alcohol kunye ne-phosphorus trichloride.Isetyenziswa njengendawo ephakathi kwi-organic synthesis.

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  • Ulwelo olunetyhefu ephezulu lugqwesileyo kwimveliso yotywala bepropargyl

    Ulwelo olunetyhefu ephezulu lugqwesileyo kwimveliso yotywala bepropargyl

    Ulwelo olungenambala, oluguquguqukayo olunevumba elinukayo.Kulula ukujika tyheli xa ibekwe ixesha elide, ngakumbi xa ibekwe ekukhanyeni.Ixubene namanzi, benzene, chloroform, 1,2-dichloroethane, ether, ethanol, acetone, dioxane, tetrahydrofuran kunye nepyridine, i-soluble kancinane kwi-carbon tetrachloride, kodwa ayinyibiliki kwi-aliphatic hydrocarbons.

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  • Inkqubo yokuveliswa kotywala bePropargyl kunye nohlalutyo lwemarike

    Inkqubo yokuveliswa kotywala bePropargyl kunye nohlalutyo lwemarike

    I-propargyl alcohol (PA), ngokwekhemikhali eyaziwa ngokuba yi-2-propargyl alcohol-1-ol, lulwelo olungenambala, oluphakathi oluguquguqukayo olunevumba elimnandi legqabi.Uxinaniso yi-0.9485g/cm3, indawo yokunyibilika: -50℃, indawo ebilayo: 115℃, i-flash point: 36℃, enokutsha, eqhumayo: inyibilika emanzini, i-chloroform, i-dichloroethane, i-methanol, i-ethanol, i-ethyl ether, i-dioxane, i-dioxane, I-pyridine, i-soluble kancinane kwi-carbon tetrachloride, enganyibilikiyo kwi-aliphatic hydrocarbon.Utywala bepropargyl yinto ebalulekileyo yeekhemikhali ekrwada, esetyenziswa kakhulu kumayeza, ishishini lemichiza, i-electroplating, i-pesticide, intsimbi, i-petroleum kunye nezinye iindawo.

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  • Ukusetyenziswa kwe-butanediol kwizinto zokuthambisa

    Ukusetyenziswa kwe-butanediol kwizinto zokuthambisa

    I-Butanediol, ikakhulu i-acetylene kunye ne-formaldehyde njengezinto ezibonakalayo.Isetyenziswe njenge-chain extender yokuveliswa kwe-polybutylene terephthalate kunye ne-polyurethane, kwaye njengento ebalulekileyo ekrwada ye-tetrahydrofuran, i-γ-butyrolactone, iyeza kunye ne-organic synthesis.Ngenxa yokuba i-polybutylene terephthalate luhlobo lwepolyester enezakhiwo ezilungileyo, imfuno yeeplastiki zobunjineli ikhula ngokukhawuleza.

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  • Ikhemikhali yelabhoratri enetyhefu kakhulu - ipropargyl alcohol

    Ikhemikhali yelabhoratri enetyhefu kakhulu - ipropargyl alcohol

    I-Propargyl Utywala, i-molecular formula C3H4O, ubunzima be-molecular 56. Ulwelo olungenambala olungenambala, oluguquguqukayo kunye nevumba elibi, ityhefu, ukucaphuka okukhulu kwesikhumba kunye namehlo.Indawo ephakathi kwi-organic synthesis.Ikakhulu isetyenziselwa ukuhlanganiswa kwe-antibacterial kunye ne-anti-inflammatory drugs sulfadiazine;Emva kwe-hydrogenation inxalenye, i-propylene alcohol inokuvelisa i-resin, kwaye emva kwe-hydrogenation epheleleyo, i-n-propanol ingasetyenziselwa njengento eluhlaza ye-anti-tuberculosis drug ethambutol, kunye nezinye iikhemikhali kunye neemveliso zamachiza.Iyakwazi ukuthintela iasidi kwi-iron, ikopolo kunye nenikeli kunye nezinye isinyithi, ezisetyenziswa njenge-rust remover.Isetyenziswa ngokubanzi ekutsalweni kweoli.Isenokusetyenziswa njenge-solvent, i-stabilizer ye-chlorinated hydrocarbons, i-herbicide kunye ne-insecticide.Ingasetyenziselwa ukuveliswa kwe-acrylic acid, i-acrolein, i-2-aminopyrimidine, i-γ-picauline, i-vitamin A, i-stabilizer, i-corrosion inhibitor kunye 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 iya kupholisa kwaye iqhume

    I-Propargyl iya kupholisa kwaye iqhume

    Inkqubo yokuqala isekelwe kwi-propargyl alcohol njenge-solvent, i-KOH njengesiseko, ukusabela kokufudumeza ukufumana injongo.Ukusabela ngaphandle kweemeko zokuhlanjululwa kwe-solvent kuya kuba bubumdaka obuncinci, ukusabela kucocekile.

    Ukuqwalasela i-polymerization ye-catalytic enokubakho kunye nokuqhuma kwe-alkynes ye-terminal, i-Amgen's Hazard Evaluation Lab (HEL) ingenelele ukwenza uvavanyo lokhuseleko kwaye incedise ekuphuculeni inkqubo ngaphambi kokunyusa ukuya kwiilitha ezi-2 zokusabela.

    Uvavanyo lwe-DSC lubonisa ukuba i-reaction iqala ukubola kwi-100 ° C kwaye ikhulule i-3667 J / g amandla, ngelixa i-propargyl alcohol kunye ne-KOH kunye, nangona amandla ehla ukuya kwi-2433 J / g, kodwa iqondo lokushisa lokubola liyehla kwi-85 ° C, kwaye ubushushu benkqubo busondele kakhulu kwi-60 °C, umngcipheko wokhuseleko mkhulu.

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  • I-1,4-butanediol (BDO) kunye nokulungiswa kwayo kwePBAT yeplastiki ye-biodegradable

    I-1,4-butanediol (BDO) kunye nokulungiswa kwayo kwePBAT yeplastiki ye-biodegradable

    I-1, i-4-butanediol (BDO);I-PBAT yiplastiki ye-thermoplastic biodegradable, eyi-copolymer ye-butanediol adipate kunye ne-butanediol terephthalate.Ineempawu ze-PBA (i-polyadipate-1, i-4-butanediol ester diol) kunye ne-PBT (i-polybutanediol terephthalate).Ine-ductility elungileyo kunye nobude ngexesha lekhefu, kunye nokumelana nobushushu obulungileyo kunye nokusebenza kwempembelelo.Ukongeza, inokonakala okugqwesileyo kwebhayoloji kwaye yenye yezona zinto zidumileyo ezinokubola kuphando lweeplastiki ezinokuguquguquka kunye neyona ndlela isebenzayo kwimarike.

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

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

    Zimbini iinkqubo eziphambili zokuveliswa kwe-BDO nge-anhydride ye-maleic.Enye yinkqubo ye-hydrogenation ethe ngqo ye-maleic anhydride ephuhliswe yi-Mitsubishi Petrochemical kunye ne-Mitsubishi Chemical e-Japan kwi-1970s, ebonakaliswe ngokuveliswa kwangaxeshanye kwe-BDO, THF kunye ne-GBL kwinkqubo ye-hydrogenation ye-maleic anhydride.Iimveliso zeengoma ezahlukeneyo zinokufumaneka ngokulungelelanisa iimeko zenkqubo.Enye yinkqubo yegesi esterification hydrogenation ye maleic anhydride ephuhliswe yiNkampani ye-UCC kunye neDavey Process Technology Company e-United Kingdom, ephuhliswe kuxinzelelo oluphantsi lwe-carbonyl synthesis technology.Ngo-1988, ukuphononongwa kwakhona kwenkqubo yokuhamba kwagqitywa kwaye noyilo lwemizi-mveliso lwacetywa.Kwi-1989, I-TEKNOLOJIYA YATHUNYELWA kwi-DongSANG CHEMICAL INKAMPANI YASE-Korea NE-DONGGU CHEMICAL Inkampani yase-Japan UKWAKHA i-20,000-TON / unyaka we-1, i-4-BUtanEDIOL INDUSTRIAL production PLANT.

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  • I-1, iipropati ze-4-butanediol

    I-1, iipropati ze-4-butanediol

    1, 4-butanediol

    Isibizo: 1, 4-dihydroxybutane.

    Ushunqulelo: BDO,BD,BG.

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

    I-molecular formula yi-C4H10O2 kunye ne-molecular weight 90.12.Inombolo ye-CAS yi-110-63-4, kunye nenombolo ye-EINECS yi-203-785-6.

    Ifomula yolwakhiwo: HOCH2CH2CH2CH2OH.

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