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1,4 butynediol paʻa huahana ʻoi aku ka maikaʻi
CAS:110-65-6
Nā waiwai kemika o butynediol: keokeo orthorhombic kristal.ʻO ka helu heheʻe 58 ℃, kahi e hoʻolapalapa ai 238 ℃, 145 ℃ (2KPa), kiko uila 152 ℃, helu kuhikuhi refractive 1.450.Hiki ke hoʻoheheʻe ʻia i loko o ka wai, ka hopena waika, ka ethanol a me ka acetone, hiki ke hoʻoheheʻe iki ʻia i ka chloroform, hiki ʻole ke hoʻoheheʻe ʻia i ka benzene a me ka etera.
Hoʻohana: hiki ke hoʻohana ʻia ka butynediol e hana i ka butene glycol, butynediol, n-butanol, dihydrofuran, tetrahydrofuran γ- Hiki ke hoʻohana hou ʻia ke ʻano o nā huahana organik koʻikoʻi e like me butyrolactone a me pyrrolidone e hana i nā plastic synthetic, synthetic fibers (nylon-4), ʻili hana, lāʻau lapaʻau, pesticides, solvents (N-methyl pyrrolidone) a me nā mea mālama.He mea hoʻoheheʻe maikaʻi ʻo Butynediol a hoʻohana ʻia e like me ka mea hoʻomālamalama i ka ʻoihana electroplating.
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Melemele ʻeleʻele wai ʻona nui 1,4-butynediol
1,4-butynediol paʻa, kemika C4H6O2, keokeo orthorhombic kristal.Hiki ke hoʻoheheʻe ʻia i ka wai, ka waikawa, ka ethanol a me ka acetone, hiki ʻole ke hoʻoheheʻe ʻia i ka benzene a me ka etera.Hiki iā ia ke hoʻonāukiuki i ka mucous membrane, ka ʻili a me ka ʻōpū hanu luna o nā maka.I ka ʻoihana, hoʻomākaukau nui ʻia ka paʻa 1,4-butynediol e ke ʻano Reppe, catalyzed e butynediol copper a i ʻole copper bismuth catalyst, a hoʻomākaukau ʻia e ka hopena o ka acetylene a me formaldehyde ma lalo o ke kaomi (1 ~ 20 bar) a me ka hoʻomehana (110 ~ 112 ° C) .Loaʻa ka butynediol crude ma o ka pane ʻana, a loaʻa ka huahana i hoʻopau ʻia ma o ka noʻonoʻo ʻana a me ka hoʻomaʻemaʻe.
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3-chloropropyne waihoʻoluʻu ʻona ʻona wai ʻona
ʻO ka 3-chloropropyne kahi mea hoʻohuihui me ke ʻano hana ch ≡ cch2cl.ʻO ka hiʻohiʻona he wai lapalapa ʻole.ʻO ka helu heheʻe -78 ℃, kahi e hoʻolapalapa ai 57 ℃ (65 ℃), pili pili 1.0297, kuhikuhipuʻu refractive 1.4320.ʻO ke kiko uila 32.2-35 ℃, aneane hiki ʻole ke hoʻoheheʻe ʻia i ka wai a me ka glycerol, hiki ke hui pū me benzene, carbon tetrachloride, ethanol, ethylene glycol, ether a me ethyl acetate.Loaʻa ia ma ka hana ʻana i ka waiʻona propargyl me ka phosphorus trichloride.Hoʻohana ʻia ma ke ʻano he waena i ka synthesis organik.
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ʻO ka wai ʻawaʻawa ʻoi loa ka huahana propargyl alcoho
Wai waihoʻoluʻu ʻole me ka ʻala ʻala.He mea maʻalahi ke huli melemele ke waiho ʻia no ka manawa lōʻihi, ʻoi aku ka maikaʻi ke ʻike ʻia i ka mālamalama.Hiki ke hui me ka wai, benzene, chloroform, 1,2-dichloroethane, etera, ethanol, acetone, dioxane, tetrahydrofuran a me pyridine, hiki ke hoʻoheheʻe ʻia i loko o ka carbon tetrachloride, akā ʻaʻole hiki ke hoʻoheheʻe ʻia i loko o ka aliphatic hydrocarbons.
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ʻO ke kaʻina hana hana ʻona Propargyl a me ka nānā ʻana i ka mākeke
ʻO ka waiʻona Propargyl (PA), i kapa ʻia ʻo 2-propargyl alcohol-1-ol, he wai waihoʻoluʻu ʻole me ka ʻala o ka lau.ʻO ka mānoanoa 0.9485g/cm3, helu heheʻe: -50 ℃, kahi e hoʻolapalapa ai: 115 ℃, kiko uila: 36 ℃, pahū, pahū: hiki ke hoʻoheheʻe ʻia i ka wai, chloroform, dichloroethane, methanol, ethanol, ethyl ether, dioxane, tetrahydrofuran, pyridine, hiki ke hoʻoheheʻe iki ʻia i ka carbon tetrachloride, hiki ʻole ke hoʻoheheʻe ʻia i loko o ka aliphatic hydrocarbon.ʻO ka waiʻona Propargyl kahi mea waiwai nui, hoʻohana nui ʻia i ka lāʻau lapaʻau, ʻoihana kemika, electroplating, pesticide, steel, petroleum a me nā māla ʻē aʻe.
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Ka hoʻohana ʻana i ka butanediol i nā mea hoʻonaninani
ʻO Butanediol, ka nui o ka acetylene a me ka formaldehyde ma ke ʻano he kumu.Hoʻohana ʻia ia e like me ka mea hoʻonui kaulahao no ka hana ʻana i ka polybutylene terephthalate a me ka polyurethane, a ma ke ʻano he kumu waiwai nui no ka tetrahydrofuran, γ-butyrolactone, lāʻau lapaʻau a me ka synthesis organik.No ka mea ʻo polybutylene terephthalate kahi ʻano polyester me nā waiwai maikaʻi, ke piʻi wikiwiki nei ke koi no nā plastics engineering.
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He lāʻau kemika ʻona loa - propargyl alcohol
ʻO Propargyl Alcohol, molecular formula C3H4O, molecular weight 56. ʻO ka wai alohilohi kala ʻole, ʻoluʻolu me ke ʻala ʻala, ʻawaʻawa, ʻeha nui i ka ʻili a me nā maka.He mea waena ma ka hoʻohui ʻana.Hoʻohana nui ʻia no ka synthesis o nā lāʻau antibacterial a me nā anti-inflammatory sulfadiazine;Ma hope o ka hydrogenation hapa, hiki i ka waiʻona propylene ke hana i ka resin, a ma hope o ka hydrogenation piha, hiki ke hoʻohana ʻia ka n-propanol ma ke ʻano he mea maka o ka lāʻau anti-tuberculosis ethambutol, a me nā huahana kemika a me nā lāʻau lapaʻau.Hiki ke pale i ka waikawa i ka hao, ke keleawe a me ka nickel a me nā metala ʻē aʻe, hoʻohana ʻia e like me ka wehe ʻana i ka ʻōpala.Hoʻohana nui ʻia i ka ʻili ʻaila.Hiki ke hoʻohana ʻia e like me ka solvent, stabilizer o nā hydrocarbons chlorinated, herbicide a me nā insecticide.Hiki ke hoʻohana ʻia no ka hana ʻana i ka waikawa acrylic, acrolein, 2-aminopyrimidine, γ-picauline, vitamin A, stabilizer, corrosion inhibitor a pēlā aku.
Nā inoa ʻē aʻe: propargyl alcohol, 2-propargyl – 1-alcohol, 2-propargyl alcohol, propargyl alcohol acetylene methanol.
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E polymerize a pahū ka Propargyl
Hoʻokumu ʻia ke kaʻina hana mua ma luna o ka waiʻona propargyl e like me ka solvent, KOH ma ke kumu, ka hopena wela e loaʻa ai ka pahuhopu.ʻO ka hopena me ka ʻole o ka solvent dilution kūlana e emi nā mea haumia, ʻoi aku ka maʻemaʻe o ka hopena.
Ke noʻonoʻo nei i ka polymerization catalytic a me ka decomposition pahū o nā alkynes terminal, ua komo ʻo Amgen's Hazard Evaluation Lab (HEL) e hana i nā loiloi palekana a kōkua i ke kaʻina hana ma mua o ka piʻi ʻana i 2 lita o ka hopena.
Hōʻike DSC ho'āʻo i ka hopena hoʻomaka e decompose ma 100 °C a me ka hoʻokuʻu 3667 J/g ikehu, oiai propargyl ka waiʻona a me KOH pu, oiai ka ikehu hāʻule i 2433 J/g, akā, i ka decomposition mahana no hoi kulu i 85 °C, a. kokoke loa ka mahana o ke kaʻina hana i 60 °C, ʻoi aku ka nui o ka pilikia palekana.
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1,4-butanediol (BDO) a me kāna hoʻomākaukau ʻana i ka PBAT plastic biodegradable
1, 4-butanediol (BDO);ʻO ka PBAT he plastic biodegradable thermoplastic, he copolymer o butanediol adipate a me butanediol terephthalate.Loaʻa iā ia nā hiʻohiʻona o PBA (polyadipate-1, 4-butanediol ester diol) a me PBT (polybutanediol terephthalate).Loaʻa iā ia ka ductility maikaʻi a me ka elongation i ka wā hoʻomaha, a me ke kūpaʻa wela maikaʻi a me ka hana hopena.Eia kekahi, he biodegradability maikaʻi loa ia a ʻo ia kekahi o nā mea biodegradable kaulana loa i ka noiʻi ʻana i nā plastic biodegradable a me ka noi maikaʻi loa ma ka mākeke.
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Hana ʻia o 1, 4-butanediol (BDO) ma ke ʻano maleic anhydride
ʻElua mau kaʻina hana nui no ka hana ʻana o BDO e maleic anhydride.ʻO kekahi ke kaʻina hana hydrogenation pololei o maleic anhydride i hoʻomohala ʻia e Mitsubishi Petrochemical a me Mitsubishi Chemical ma Iapana i ka makahiki 1970, kahi i hōʻike ʻia e ka hana like ʻana o BDO, THF a me GBL i ke kaʻina hydrogenation o maleic anhydride.Hiki ke loaʻa nā huahana o nā mele like ʻole ma ka hoʻoponopono ʻana i nā kūlana kaʻina.ʻO ka mea ʻē aʻe ke kaʻina hana hydrogen esterification o ka maleic anhydride i hoʻomohala ʻia e UCC Company a me Davey Process Technology Company ma United Kingdom, i hoʻomohala ʻia mai ka ʻenehana carbonyl synthesis haʻahaʻa.I ka makahiki 1988, ua hoʻopau ʻia ka loiloi hou ʻana o ke kaʻina hana a ua manaʻo ʻia ka hoʻolālā ʻoihana.I ka makahiki 1989, ua hoʻololi ʻia ka ʻenehana i DongSANG CHEMICAL COMPANY o Korea a me DONGGU CHEMICAL Company o Iapana e kūkulu i kahi 20,000-TON / makahiki 1, 4-BUtanEDIOL INDUSTRIAL production PLANT.
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1, 4-butanediol waiwai
1, 4-butanediol
Alias: 1, 4-dihydroxybutane.
Pōkole: BDO,BD,BG.
inoa Pelekane: 1, 4-Butanediol;1, 4 - butylene glycol;1, 4 - dihydroxybutane.
ʻO C4H10O2 ke kumu molekala a ʻo 90.12 ka paona molekala.ʻO ka helu CAS 110-63-4, a ʻo ka helu EINECS ʻo 203-785-6.
Kumu hoʻolālā: HOCH2CH2CH2CH2OH.
Nā huahana
Hana kūikawā i ka hana ʻana i ka waiʻona propargyl, 1,4 butynediol a me 3-chloropropyne
