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Ngwa butanediol na ihe ịchọ mma
Butanediol, tumadi acetylene na formaldehyde dị ka akụrụngwa.A na-eji ya dị ka ihe ndọtị maka mmepụta nke polybutylene terephthalate na polyurethane, yana dị ka ihe dị mkpa maka tetrahydrofuran, γ-butyrolactone, ọgwụ na organic njikọ.N'ihi na polybutylene terephthalate bụ ụdị polyester nwere ezigbo ihe, ọchịchọ maka plastik injinia na-abawanye ngwa ngwa.
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A ukwuu awu laabu chemical - propargyl mmanya
Propargyl mmanya na-egbu egbu, usoro molecular C3H4O, molecular arọ 56. Mmiri mmiri na-enweghị agba, na-esi ísì ụtọ na-esi ísì ụtọ, na-egbu egbu, mgbakasị ahụ na akpụkpọ ahụ na anya.Nke etiti na organic njikọ.A na-ejikarị eme ihe maka njikọ nke ọgwụ nje antibacterial na mgbochi mkpali sulfadiazine;Mgbe obere hydrogenation gasịrị, mmanya propylene nwere ike imepụta resin, mgbe hydrogenation zuru ezu, n-propanol nwere ike iji dị ka akụrụngwa nke ethambutol ọgwụ mgbochi ụkwara nta, yana ọgwụ ndị ọzọ na ọgwụ ọgwụ.Nwere ike igbochi acid ka ígwè, ọla kọpa na nickel na ọla ndị ọzọ corrosion, eji dị ka nchara na-ewepu.A na-eji ya eme ihe na mmịpụta mmanụ.A pụkwara iji ya dị ka ihe mgbaze, stabilizer nke chlorinated hydrocarbons, herbicide na ụmụ ahụhụ.Enwere ike iji ya maka mmepụta nke acrylic acid, acrolein, 2-aminopyrimidine, γ-picauline, vitamin A, stabilizer, corrosion inhibitor na ndị ọzọ.
Aha ndị ọzọ: mmanya na-aba n'anya, 2-propargyl - 1-mmanya, mmanya 2-propargyl, propargyl mmanya acetylene methanol.
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Propargyl ga-agbawa ma gbawaa
Usoro izizi dabere na mmanya propargyl dị ka ihe mgbaze, KOH dị ka ntọala, mmeghachi omume kpo oku iji nweta ebumnuche.Mmeghachi omume na-enweghị ọnọdụ dilution ihe mgbaze ga-abụ obere adịghị ọcha, mmeghachi omume dị ọcha.
N'ịtụle ike polymerization catalytic na mwepu mgbawa nke ọdụ ụgbọ elu alkynes, Amgen's Hazard Evaluation Lab (HEL) abanyela iji mee nyocha nchekwa ma nyere aka n'ịkwalite usoro tupu iwelie ihe ruru lita 2 nke mmeghachi omume.
Nnwale DSC na-egosi na mmeghachi omume ahụ na-amalite ire ere na 100 Celsius ma hapụ 3667 J / g ume, ebe mmanya propargyl na KOH ọnụ, ọ bụ ezie na ike na-adaba na 2433 J / g, mana okpomọkụ decomposition na-adaba na 85 ° C, na Usoro okpomọkụ dị nso na 60 Celsius C, ihe ize ndụ nchekwa dị ukwuu.
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1,4-butanediol (BDO) na nkwadebe ya nke PBAT plastic biodegradable
1, 4-butanediol (BDO);PBAT bụ plastik biodegradable thermoplastic, nke bụ copolymer nke butanediol adipate na butanediol terephthalate.Ọ nwere njirimara nke PBA (polyadipate-1, 4-butanediol ester diol) na PBT (polybutanediol terephthalate).Ọ nwere ezigbo ductility na elongation na nkwụsịtụ, yana ezigbo nkwụsị ọkụ na mmetụta mmetụta.Tụkwasị na nke ahụ, ọ nwere ezigbo ihe ndị dị ndụ ma bụrụ otu n'ime ihe ndị a na-ewu ewu na-emepụta ihe na-eme nchọpụta nke plastik na-emepụta ihe na ngwa kachasị mma n'ahịa.
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Mmepụta nke 1, 4-butanediol (BDO) site na usoro anhydride maleic
Enwere isi usoro abụọ maka mmepụta nke BDO site na maleic anhydride.Otu bụ usoro hydrogenation kpọmkwem nke anhydride maleic nke Mitsubishi Petrochemical na Mitsubishi Chemical mepụtara na Japan na 1970s, bụ nke e ji emepụta BDO, THF na GBL n'otu oge na usoro hydrogenation nke anhydride maleic.Enwere ike nweta ngwaahịa nke ihe mejupụtara dị iche iche site n'ịgbanwe ọnọdụ usoro.Nke ọzọ bụ gas esterification hydrogenation usoro nke maleic anhydride nke UCC Company na Davey Process Technology Company na United Kingdom mepụtara, nke e mepụtara site na obere nrụgide carbonyl synthesis technology.N'afọ 1988, a na-emecha nyochaghachi nke usoro nhazi ahụ ma tụpụta atụmatụ mmepụta ihe.Na 1989, TECHNOLOGY E NYERE KWESỊRỊ NA Ụlọ ọrụ CHEMICAL nke Korea na DONGGU CHEMICAL nke Japan iji wuo 20,000-TON / afọ 1, 4-BUtanEDIOL Industrial Production Plant.
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1, 4-butanediol Njirimara
1,4-butanediol
Utu aha: 1, 4-dihydroxybutane.
Ndebiri: BDO,BD,BG.
Aha Bekee: 1, 4-Butanediol;1,4 - butylene glycol;1, 4 - dihydroxybutane.
Usoro molekụla bụ C4H10O2 na ịdị arọ molekụla bụ 90.12.Nọmba CAS bụ 110-63-4, na nọmba EINECS bụ 203-785-6.
Usoro nhazi: HOCH2CH2CH2CH2OH.
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Usoro mmepụta mmanya Propargyl na nyocha ahịa
Propargyl mmanya (PA), nke a maara dị ka 2-propargyl alcohol-1-ol, bụ mmiri na-enweghị agba, na-agbanwe agbanwe nke nwere isi akwụkwọ na-esi ísì ụtọ.The njupụta bụ 0.9485g / cm3, agbaze ebe: -50 ℃, esi: 115 ℃, flash ebe: 36 ℃, flammable, mgbawa: soluble na mmiri, chloroform, dichloroethane, methanol, ethanol, ethyl ether, dioxane, tetrahydrofuran. pyridine, soluble ntakịrị na carbon tetrachloride, nke a na-apụghị ịsacha na hydrocarbon aliphatic.Propargyl mmanya bụ ihe dị mkpa kemịkalụ akụrụngwa, nke a na-ejikarị na nkà mmụta ọgwụ, chemical ụlọ ọrụ, electroplating, pesticide, ígwè, mmanụ ala na ndị ọzọ ubi.
Ngwa
Ọpụrụiche na mmepụta nke mmanya propargyl, 1,4 butynediol na 3-chloropropyne.
