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1,4 butynediol e tiileng sehlahisoa se phahameng
CAS: 110-65-6
Lintho tsa lik'hemik'hale tsa butynediol: kristale e tšoeu ea orthorhombic.Melting point 58 ℃, beiling point 238 ℃, 145 ℃ (2KPa), flash point 152 ℃, refractive index 1.450.E qhibiliha ka har'a metsi, tharollo ea asiti, ethanol le acetone, e qhibiliha hanyenyane ka chloroform, e sa qhibilihe ka har'a benzene le ether.
Tšebeliso: butynediol e ka sebelisoa ho hlahisa butene glycol, butynediol, n-butanol, dihydrofuran, tetrahydrofuran γ- Letoto la lihlahisoa tsa bohlokoa tsa manyolo tse kang butyrolactone le pyrrolidone li ka sebelisoa hape ho etsa li-plastiki tsa maiketsetso, li-synthetic fibers (nylon-4), letlalo la maiketsetso, meriana, chefo e bolaeang likokoanyana, li-solvents (N-methyl pyrrolidone) le li-preservative.Butynediol ka boeona ke solvent e ntle 'me e sebelisoa e le mochine o khanyang indastering ea electroplating.
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Mokelikeli o mosehla o chefo haholo 1,4-butynediol
1,4-butynediol e tiileng, foromo ea lik'hemik'hale C4H6O2, kristale e tšoeu ea orthorhombic.E qhibiliha ka metsing, asiti, ethanol le acetone, e sa qhibilihe ka har'a benzene le ether.E ka halefisa lera la mucous, letlalo le karolo e ka holimo ea ho hema ea mahlo.Indastering, 1,4-butynediol solid e lokisoa haholo ke mokhoa oa Reppe, e hlahisoang ke butynediol koporo kapa koporo ea bismuth catalyst, mme e lokiselitsoe ka karabelo ea acetylene le formaldehyde tlasa khatello (1 ~ 20 bar) le ho futhumatsa (110 ~ 112 ° C) .Butynediol e tala e fumanoa ka karabelo, 'me sehlahisoa se felileng se fumanoa ka ho tsepamisa maikutlo le ho hloekisoa.
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3-chloropropyne metsi a chefo haholo a se nang 'mala
3-chloropropyne ke motsoako oa manyolo o nang le foromo ea sebopeho ch ≡ cch2cl.Ponahalo ke mokelikeli o se nang 'mala o tukang.Ntho e qhibilihisang -78 ℃, ntlha e belang 57 ℃ (65 ℃), boima bo lekanang 1.0297, index ea refractive 1.4320.Flash point 32.2-35 ℃, e batla e sa qhibidihe ka metsing le glycerol, e kopanya le benzene, carbon tetrachloride, ethanol, ethylene glycol, ether le ethyl acetate.E fumanoa ka ho arabela joala ba propargyl ka phosphorus trichloride.E sebedisoa joalo ka mahareng ho organic synthesis.
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Mokelikeli o chefo o phahameng haholo sehlahisoa sa propargyl alcoho
Seela se se nang mmala, se sa tsitsang se nang le monko o hlabang.Ho bonolo ho fetoha mosehla ha o behiloe nako e telele, haholo-holo ha o pepesehetse khanya.E kopanya le metsi, benzene, chloroform, 1,2-dichloroethane, ether, ethanol, acetone, dioxane, tetrahydrofuran le pyridine, ha e le hantle e qhibiliha ka har'a carbon tetrachloride, empa ha e qhibilihe ka har'a aliphatic hydrocarbons.
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Ts'ebetso ea tlhahiso ea joala ea Propargyl le tlhahlobo ea 'maraka
Propargyl alcohol (PA), e tsejoang ka lik'hemik'hale e le 2-propargyl alcohol-1-ol, ke mokelikeli o se nang 'mala, o itekanetseng o fetohang o monko o monate oa makhasi.The density is 0.9485g/cm3, melting point: -50 ℃, beling point: 115 ℃, flash point: 36 ℃, flammable, explosive: soluble ka metsing, chloroform, dichloroethane, methanol, ethanol, ethyl ether, dioxane, tetrafurahydron, pyridine, e qhibilihang hanyenyane ka har'a carbon tetrachloride, e sa qhibiliheng ka har'a aliphatic hydrocarbon.Propargyl joala ke lisebelisoa tsa bohlokoa tsa lik'hemik'hale tse sebelisoang haholo meriana, indasteri ea lik'hemik'hale, electroplating, chefo e bolaeang likokoanyana, tšepe, peterole le masimo a mang.
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Tšebeliso ea butanediol ka litlolo
Butanediol, haholo-holo acetylene le formaldehyde e le lisebelisoa tse tala.E sebelisoa e le ketane extender bakeng sa tlhahiso ea polybutylene terephthalate le polyurethane, 'me e le thepa ea bohlokoa e tala bakeng sa tetrahydrofuran, γ-butyrolactone, meriana le organic synthesis.Hobane polybutylene terephthalate ke mofuta oa polyester e nang le thepa e ntle, tlhokahalo ea lipolasetiki tsa boenjiniere e ntse e eketseha ka potlako.
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A haholo chefo laboratori lik'hemik'hale - propargyl joala
Propargyl Alcohol, foromo ea molek'hule C3H4O, boima ba limolek'hule 56. Mokelikeli o se nang mebala o bonaletsang, o fetohang o monko o hlabang, o chefo, o teneha haholo letlalong le mahlo.Bohareng ba organic synthesis.Haholo-holo e sebelisetsoang ho qaptjoa ha lithethefatsi tse thibelang likokoana-hloko le tse khahlanong le ho ruruha sulfadiazine;Ka mor'a hore hydrogenation e sa fella, joala ea propylene e ka hlahisa resin, 'me ka mor'a hore hydrogenation e feletseng, n-propanol e ka sebelisoa e le lisebelisoa tse tala tsa ethambutol e khahlanong le lefuba, hammoho le lihlahisoa tse ling tsa lik'hemik'hale le tsa meriana.E ka thibela asiti ho tšepe, koporo le nickel le litšepe tse ling, tse sebelisoang e le ho tlosa mafome.E sebelisoa haholo ha ho ntšoa oli.E ka boela ea sebelisoa e le solvent, stabilizer ea chlorinated hydrocarbons, herbicide le chefo e bolaeang likokoanyana.E ka sebelisoa bakeng sa tlhahiso ea acrylic acid, acrolein, 2-aminopyrimidine, γ-picauline, vithamine A, stabilizer, corrosion inhibitor joalo-joalo.
Mabitso a mang: joala ea propargyl, 2-propargyl - 1-alcohol, 2-propargyl alcohol, propargyl alcohol acetylene methanol.
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Propargyl e tla etsa polymerize le ho phatloha
Ts'ebetso ea pele e ipapisitse le joala ba propargyl joalo ka solvent, KOH joalo ka motheo, karabelo ea ho futhumatsa ho fumana sepheo.Karabelo ntle le maemo a ho hlapolla ha solvent e tla ba litšila tse fokolang, karabelo e hloekile.
Ha ho nahanoa ka monyetla oa ho etsa hore polymerization le ho phatloha ho hoholo ha li-alkyne tsa terminal, Amgen's Hazard Evaluation Lab (HEL) e kenelletse ho etsa liteko tsa polokeho le ho thusa ho ntlafatsa ts'ebetso pele e phahamisa ho fihla ho lilithara tse 2 tsa karabelo.
Teko ea DSC e bonts'a hore karabelo e qala ho bola ka 100 ° C mme e lokolla matla a 3667 J / g, ha joala ba propargyl le KOH hammoho, leha matla a theohela ho 2433 J / g, empa mocheso oa ho bola o boetse o theohela ho 85 ° C, le mocheso oa ts'ebetso o haufi haholo ho 60 ° C, kotsi ea polokeho e kholoanyane.
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1,4-butanediol (BDO) le tokiso ea eona ea PBAT ea polasetiki e ka senyehang
1, 4-butanediol (BDO);PBAT ke polasetiki ea thermoplastic biodegradable, e leng copolymer ea butanediol adipate le butanediol terephthalate.E na le litšobotsi tsa PBA (polyadipate-1, 4-butanediol ester diol) le PBT (polybutanediol terephthalate).E na le ductility e ntle le elongation nakong ea khefu, hammoho le ho hanyetsa mocheso o motle le ts'ebetso ea ts'ebetso.Ho feta moo, e na le biodegradability e ntle haholo 'me ke e' ngoe ea lisebelisoa tse tsebahalang haholo tse ka senyehang liphuputsong tsa lipolasetiki tse senyehang le ts'ebeliso e ntle ka ho fetisisa 'marakeng.
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Tlhahiso ea 1, 4-butanediol (BDO) ka mokhoa oa maleic anhydride
Ho na le mekhoa e 'meli ea mantlha ea tlhahiso ea BDO ka maleic anhydride.E 'ngoe ke ts'ebetso e tobileng ea hydrogenation ea maleic anhydride e entsoeng ke Mitsubishi Petrochemical le Mitsubishi Chemical ea Japane lilemong tsa bo-1970, e khetholloang ka tlhahiso ea nako e le 'ngoe ea BDO, THF le GBL ts'ebetsong ea hydrogenation ea maleic anhydride.Lihlahisoa tsa lihlopha tse fapaneng li ka fumanoa ka ho fetola maemo a ts'ebetso.E 'ngoe ke ts'ebetso ea gas esterification hydrogenation ea maleic anhydride e ntlafalitsoeng ke UCC Company le Davey Process Technology Company naheng ea United Kingdom, e ntlafalitsoeng ho tsoa ho thekenoloji ea khatello e tlase ea carbonyl synthesis.Ka 1988, tlhahlobo e ncha ea phallo ea ts'ebetso e ile ea phethoa mme moralo oa indasteri o ile oa sisinngoa.Ka 1989, THEKNOLOJI E FETOTSE HO FINYELELETSOA HO DongSANG CHEMICAL COMPANY OF Korea LE DONGGU CHEMICAL Company OF Japan HO AHA 20,000-TON/year 1, 4-BUtanEDIOL INDUSTRIAL production PLANT.
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1, 4-butanediol thepa
1, 4-butanediol
Lebitso le leng: 1, 4-dihydroxybutane.
Kgutsufatso: BDO,BD,BG.
Lebitso la Senyesemane: 1, 4-Butanediol;1, 4 - butylene glycol;1, 4 - dihydroxybutane.
Foromo ea molek'hule ke C4H10O2 'me boima ba molek'hule ke 90.12.Nomoro ea CAS ke 110-63-4, 'me nomoro ea EINECS ke 203-785-6.
Foromo ea sebopeho: HOCH2CH2CH2CH2OH.
Lihlahisoa
E sebetsa ka ho khetheha tlhahisong ea joala ea propargyl, 1,4 butynediol le 3-chloropropyne.
