1-4 Butanediol Liquid CAS: 110-63-4

1,4-Butanediol, feem ntau hu ua BDO, yog ib qho tshuaj organic nrog cov mis molecular C4H10O2. Nws yog xim tsis muaj xim, kua nplaum uas zoo li tsis muaj ntxhiab thiab muaj qhov qab zib me ntsis. Raws li ib hom diol, nws muaj ob pawg hydroxyl (-OH) nyob rau ntawm thawj thiab plaub carbon atoms ntawm nws plaub-carbon saw. Cov txheej txheem kev teeb tsa no muab BDO nws cov khoom siv tshuaj lom neeg tshwj xeeb, ua rau nws muaj ntau yam khoom siv hauv ntau daim ntawv thov kev lag luam.

Ib qho tseem ceeb ntawm kev siv 1, 4-butanediol yog ib qho hnyav hnyav. Vim nws muaj peev xwm yaj ntau yam tshuaj, nws yog feem ntau ua hauj lwm nyob rau hauv kev tsim cov yas, elastic fibers, thiab polyurethanes. BDO yog cov khoom siv tseem ceeb hauv kev tsim cov tetrahydrofuran (THF), uas yog siv los ua cov kuab tshuaj hauv PVC ua thiab ua cov khoom ua ntej rau ntau yam polymers. Tsis tas li ntawd, nws yog siv nyob rau hauv lub synthesis ntawm gamma-butyrolactone (GBL), uas muaj kev siv nyob rau hauv pharmaceuticals, agrochemicals, thiab raws li ib tug hnyav rau ntau yam organic tshuaj.

Hauv thaj chaw ntawm biochemistry, 1,4-butanediol yog qhov tseem ceeb rau nws lub luag haujlwm ua tus thawj coj rau gamma-hydroxybutyrate (GHB), qhov sib xyaw nrog kev siv tshuaj kho mob nrog rau kev tsim txom los ntawm kev siv tshuaj lom neeg. Thaum noj, BDO yog metabolized hauv lub cev mus rau GHB, uas muaj cov nyhuv sedative thiab euphoric. Vim nws txoj kev puas siab puas ntsws muaj peev xwm, kev tuav thiab kev faib tawm ntawm 1, 4-butanediol raug tswj hwm hauv ntau lub tebchaws los tiv thaiv kev siv tsis raug.

Kev txiav txim siab txog kev nyab xeeb yog qhov tseem ceeb thaum cuam tshuam nrog 1,4-butanediol. Kev sib xyaw ua ke tuaj yeem ua rau khaus ntawm daim tawv nqaij thiab qhov muag, thiab kev noj tshuaj tuaj yeem ua rau muaj kev noj qab haus huv hnyav, nrog rau kev nyuaj siab hauv nruab nrab ntawm lub paj hlwb, teeb meem ua pa, thiab tsis nco qab. Kev tuav tswj kom zoo, kev cia, thiab kev pov tseg yog qhov tseem ceeb los txo cov kev pheej hmoo no thiab ua kom muaj kev nyab xeeb siv hauv chaw tsim khoom thiab chaw sim.

Kom UNFREEZE:Muab lub raj mis tso rau hauv dej sov kom txog thaum 1,4 Butanediol yaj. Qhov no tuaj yeem rov qab tau ntau zaus raws li qhov tsim nyog los ua kua dej 1,4 Butanediol, tsuav yog lub raj mis kaw thiab tsis muaj noo noo ntxiv, nws yuav tsis hloov cov khoom ntawm cov khoom.

Feem ntau ntawm 1, 4-butanediol tsim tawm yog lub cev qhuav dej siv phosphoric acid thiab kub heev. Cov khoom sib xyaw ua ke, hu ua tetrahydrofuran (THF), yog cov cuab yeej zoo tshaj plaws rau kev tsim cov fibers hluavtaws, piv txwv li, spandex. Yog li THF ntau lawm yog qhov tseem ceeb siv 1, 4-BDO thoob ntiaj teb.

● Cov khoom siv raw rau kev tsim cov khoom hnyav hauv cov ntawv luam tawm cov ntawv sau.

● Tsim thiab tsim cov ntaub ntawv tshiab siv hauv 3d luam ntawv,

●Plasticizer hauv polyesters thiab cov ntaub ntawv cellulosic.

● Cov tshuaj ntxuav tes uas tsis muaj ntxhiab tsw thiab muaj zog tshwj xeeb kom yaj cov av uas tus qauv tu tsis ua haujlwm.

●Adhesive hauv tawv, yas, polyester laminates, thiab polyurethane khau.

printhead clog remover.

● Ntoo preservative.

●Thiab ntau lwm tus, tshwj xeeb tshaj yog nyob rau hauv ib puag ncig kev kawm nyob rau hauv scientific tsim cov ntaub ntawv tshiab siv nyob rau hauv ntau qhov chaw vim muaj ntau yam khoom.

1,4-Butanediol (1,4-BDO) ntau yam tshuaj nruab nrab vim nws lub davhlau ya nyob twg, thawj pawg hydroxyl, thiab nws cov hydrophobic thiab tshuaj-resistant xwm. Polymers ua raws li cov tshuaj tiv thaiv nrog diacids los yog diisocyanates yog lub hauv paus rau ntau yam lag luam polyurethane thiab polyester daim ntaub ntawv. 1,4-BDO yog siv los tsim cov polybutylene terephthalate (PBT), thermoplastic copolyester elastomers, ua ib feem ntawm polyesters, los yog raws li ib tug chain extender nyob rau hauv polyurethanes.
Hauv kev sib piv rau lwm cov diols, 1, 4-BDO ua ke cov yam ntxwv zoo tshaj plaws ntawm hydroxyl reactivity, linearity, thiab tag nrho cov kev sib raug zoo hauv lub cev los tsim kom muaj cov crystallinity uas yuav tsum tau muaj nyob rau hauv cov ntu tawv polyurethane. Tsis tas li ntawd, 1,4-BDO/MDI systems muab kev phom sij tsawg dua li MOCA/TDI systems.
Hauv cov thermoplastic urethane elastomers, 1, 4-BDO yields crystalline urethane domains uas yooj yim yaj thiab ntws ntawm qhov kub thiab txias tab sis theem sib cais ntawm qhov kub thiab txias nyob rau hauv thiaj li yuav tawm tau cov tawv elastomeric tes hauj lwm.
Cam khwb cia urethane elastomers tseem yog qhov kawg-siv ntawm 1, 4-BDO vim tag nrho cov sib xws thiab kev ntseeg tau. Urethane RIM elastomers siv 1,4-BDO tso cai rau tsim kev ywj pheej thiab kev sib koom ua ke nrog cov duab loj, nyuaj.
Copolyester Kub Melt thiab Solvent Borne Adhesives. 1,4-BDO yog ib qho tseem ceeb ntawm cov copolyesters ntawm isophthalic acid thiab terephthalic acid siv nyob rau hauv kub yaj nplaum daim ntaub ntawv. 1, 4-BDO yields polyesters nrog zoo heev nplaum thiab cohesive zog.

Cov npe lag luam	Butane -1, 4-diol, Tetramethylene glycol
CAS	110-63-4
Molar loj	90.122
MF	C4H10O2
Purity	Tshaj 98%
Yam khoom	Cov kua dej tsis muaj xim

 

 

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1,4-Butanediol, feem ntau hu ua BDO, yog cov tshuaj lom neeg muaj txiaj ntsig thiab muaj txiaj ntsig zoo uas pom nws txoj hauv kev rau ntau yam hauv lub neej niaj hnub thiab cov txheej txheem kev lag luam. Nws yog ib qho ntshiab, tsis muaj xim, thiab cov kua nplaum me ntsis uas yog cov tsev neeg ntawm diols, uas muaj ob pawg cawv (-OH). Cov khoom no ua rau BDO muaj txiaj ntsig zoo hauv kev tsim khoom ntawm ntau yam khoom thiab cov khoom.

Hauv kev lag luam kev lag luam, 1,4-butanediol ua lub luag haujlwm tseem ceeb ua cov kuab tshuaj thiab ua tus thawj coj rau lwm yam tshuaj tseem ceeb. Nws yog cov khoom tseem ceeb hauv kev tsim cov polyurethanes, uas yog siv nyob rau hauv txhua yam los ntawm ua npuas ncauj zaum thiab rwb thaiv tsev rau coatings thiab adhesives. Lwm qhov tseem ceeb derivative ntawm BDO yog tetrahydrofuran (THF), cov kuab tshuaj tseem ceeb rau kev tsim cov spandex fibers thiab lwm yam polymers. Tsis tas li ntawd, BDO yog siv los tsim gamma-butyrolactone (GBL), uas muaj cov ntawv thov hauv cov tshuaj, agrochemicals, thiab ua cov kuab tshuaj ntxuav.

BDO kuj muaj qhov tshwj xeeb biochemical nam. Thaum noj, nws yog metabolized los ntawm lub cev mus rau hauv gamma-hydroxybutyrate (GHB), ib tug compound paub rau nws sedative thiab euphoric teebmeem. Thaum GHB muaj kev siv tshuaj kho mob raug cai, xws li kev kho mob narcolepsy, nws kuj paub txog nws txoj kev tsim txom. Yog li ntawd, kev faib thiab tuav ntawm 1,4-butanediol raug tswj nyob rau hauv ntau lub cheeb tsam los tiv thaiv kev siv tsis raug. Kev nyab xeeb yog qhov tseem ceeb tshaj plaws thaum cuam tshuam nrog BDO, vim tias qhov kis tau tuaj yeem ua rau tawv nqaij thiab qhov muag khaus, thiab kev noj haus tuaj yeem ua rau muaj kev cuam tshuam rau kev noj qab haus huv, nrog rau cov teeb meem ua pa thiab tsis nco qab.

 

 

 

 

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