Poly (tetramethylene ether) glycol

Tsis muaj kob rau me ntsis daj, waxy cov khoom lossis khov ua kua ntawm chav tsev kub, nyob ntawm seb nws hnyav molecular. Nws muaj kev ntxhib los mos thiab tsis muaj ntxhiab. PTmeg Cov Khoom Taw Qhia Zoo Solubility hauv ntau cov kuab tshuaj polar, thiab acetone, thaum ua insoluble nyob rau hauv tsis} ncej polar cov kuab tshuaj zoo li hexane.

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Khoom Taw qhia

Tshuaj lom neeg npe: Poly (tetramethylene ether) glycol

Cas tsis muaj.:25190-06-1
Tsos thiab khoom: Tsis muaj xim rau me ntsis daj, waxy tawv lossis kua muag ua kua ntawm chav sov, nyob ntawm seb nws hnyav molecular. Nws muaj kev ntxhib los mos thiab tsis muaj ntxhiab. PTmeg Cov Khoom Taw Qhia Zoo Solubility hauv ntau cov kuab tshuaj polar, thiab acetone, thaum ua insoluble nyob rau hauv tsis} ncej polar cov kuab tshuaj zoo li hexane.

Cov Khoom Tseem Ceeb:

● Yooj yim thiab elasticity: PTMEG muaj npe rau nws qhov yooj yim heev thiab elasticity. Nws cov qauv molecular xaus polymers muaj cov ptmeg ntu nrog cov khoom sib txawv thiab cov khoom rov qab, uas yog qhov ua tau zoo siab rau cov kev siv.

Stramzytic Stability: Raws li cov xwm txheej ib txwm, PTMEG qhia txog kev ruaj khov zoo rau Hydrolytic Stability. Txawm li cas los xij, nyob rau hauv lub xub ntiag ntawm cov muaj zog acids, hauv paus, lossis vaum thiab av noo rau ncua hydrolysis, nws tuaj yeem yauv ua tau nws cov kev ua tau zoo.

● Thermal ruaj khov: Nws tuaj yeem muaj kev tswj hwm lub cev thiab tshuaj lom neeg nyob rau hauv ib qho ntsuas kub. Tab sis thaum rhuab rau qhov kub siab, nws yuav pib ua kom tsis pom tseeb, tso cov tshuaj uas tsis muaj zog.

● Reventity: Cov pab pawg hydroxyl ntawm ob qho kawg ntawm PTMEG molecule muaj cov tshuaj tiv thaiv ntau yam, thiab kev siv hluav taws xob, uas yog cov kev siv hluav taws xob ua rau nws cov synthesis.

Cov lus qhia tshwj xeeb thiab cov qauv:

Tus qauv	Molecular hnyav	Hydroxyl nqi (mgkoh / g)	Acid tus nqi (mgkoh / g)	Cov ntsiab lus dej (%)	Cov ntawv thov MAIN
Ptmeg 250	Kwv yees li 250	425 - 475	Tsawg dua los yog sib npaug rau 0.05	Tsawg dua los yog sib npaug rau 0.05	Siv nyob rau hauv kev tsim cov high - Kev ua haujlwm phaus, xws li qee qhov tsis muaj zog ua kom zoo thiab tshwj xeeb- lub hom phiaj cov nplaum.
Ptmeg 650	Nyob ib ncig ntawm 650	165 - 195	Tsawg dua los yog sib npaug rau 0.05	Tsawg dua los yog sib npaug rau 0.05	Kev thov hauv synthesis ntawm nruab nrab - molecular {}}} Cov hoses lag luam, suav nrog qee cov hoses lag luam uas xav tau kev sib npaug ntawm kev hloov pauv thiab lub zog.
Ptmeg 1000	Txog 1000	105 - 125	Tsawg dua los yog sib npaug rau 0.05	Tsawg dua los yog sib npaug rau 0.05	Dav siv nyob rau hauv kev tsim cov khoom spandex fibers, uas yog qhov tseem ceeb rau kev lag luam textile kom muab cov ntaub qhwv rau cov ntaub. Kuj tseem siv nyob rau hauv high - Zoo} Cov Khoom Zoo Polyurethane elastomers rau kev siv tsheb thiab kev siv khoom.
Ptmeg 2000	Kwv yees li 2000	54 - 62	Tsawg dua los yog sib npaug rau 0.05	Tsawg dua los yog sib npaug rau 0.05	Ib qho tseem ceeb cov khoom siv rau high - elasticity spandex ntau lawm. Nws kuj tseem siv hauv kev tsim khoom siab ntawm lub siab- kev ua haujlwm polyurethane elastane elastane thiab cov khoom siv tshuaj ntaus pob, qhov twg yog qhov ua tau zoo.

Cov chaw thov hauv kev lag luam:

● Kev lag luam Textile: PTmeg yog cov khoom tseem ceeb rau kev tsim cov khoom lag luam spandex fibers. Spandex, vim nws lub siab elasticity, yog siv dav hauv ntau yam tsim ntawm ntau yam kev ncab cov ntaub, xws li Sportwear, ua luam dej, thiab ris tsho hauv qab. Qhov sib ntxiv ntawm Spandex ua rau cov ntaub ntim haum lub cev zoo dua, muab kev nplij siab thiab hloov tau thaum lub sijhawm txav.

● Polyurethane kev lag luam: Hauv kev tsim cov polyurethane elastomers, PTMEG yog siv los ua cov khoom muag muag. Cov elastomers no tau thov rau ntau qhov chaw, xws li cov khoom lag luam hauv tsheb, bushings), cov ntaub ntawv tsim kho), thiab cov tub luam dej. Kev siv PTMEG -} Raws polyurethanes xaus cov khoom no nrog cov coj zoo heev, elasticity, thiab kev nruj.

● Cov Tsho Hnav thiab Kev Lag Luam Adhesives: Ptmeg -}} muaj polyurethanes yog siv nyob rau hauv cov qauv ntawm siab- kev ua tiav txheej thiab cov nplaum. Txheej txheem ua nrog ptmeg tau ua zoo ua tsis kam, huab cua kuj, thiab tshuaj lom neeg ua haujlwm, ua rau lawv haum rau cov ntawv siv ntawm cov hlau, yas, thiab ntoo av. Cov nplaum ua raws PTMEG tuaj yeem sib koom tes ntau yam khoom siv khov kho, nrog cov khoom siv ntxim nyiam thiab siv hauv kev lag luam xws li cov khoom siv hluav taws xob, rooj tog zaum thiab ntim.

● Kev lag luam kho mob kho mob: Hauv kev kho mob teb, ptmeg -} Raws polyurethane elastator yog siv los tsim cov tshuab kho mob xws li cov hlab ntshav, thiab cov khoom siv cov khoom siv cov ntshav tawm. Nws cov biocompatibilibility, hloov pauv tau, thiab ruaj khov ua nws ib cov khoom zoo rau cov ntawv thov kev nyab xeeb thiab ua haujlwm ntawm cov khoom kho mob.

Cov lus qhia rau kev siv:

● Hauv Spandex Fiber ntau lawm: Thaum siv ptmeg los tsim Spandex, nruj me ntsis tswj cov tshuaj tiv thaiv kev mob, suav lub sijhawm kub, ua kom muaj kev sib cav sib ceg thiab cov tshuaj tua kab. Zam tsis txhob raug rau kev nthuav dav thiab tsis txaus ntseeg thaum lub txheej txheem ntau lawm, raws li lawv tuaj yeem cuam tshuam qhov zoo ntawm Spandex fibers.

● Nyob rau hauv polyurethane elasteomer synthesis: Raug ntsuas ntsuas qhov sib piv ntawm ptmeg mus rau lwm cov ntaub ntawv raw (xws li Diisocyanates thiab saw txuas ntxiv) raws li cov kev xav tau qauv. Ua tib zoo sib xyaw txhua yam kom ntseeg tau tias muaj kev sib txawv. Tom qab synthesis, kom kho tus elastomer nyob rau hauv cov kev cai tshwj xeeb kom tau txais cov khoom xav tau.

● Ua cov txheej txheej thiab cov nplaum nplaum: Kho tus nqi ptmeg ntxiv raws li cov khoom lag luam zoo kawg, xws li lub homphosity, sijhawm ziab, thiab ua yeeb yaj kiab- Txoj kev ua cov khoom. Ua tib zoo saib cov ptmeg nrog lwm cov tshuaj ntxiv thiab cov kuab tshuaj kom tsis txhob muaj teeb meem xws li theem sib cais lossis kev ua yeeb yaj kiab tsis zoo.

Ntim thiab Ntim Khoom:

FLEING: Feem ntau ntim hauv 25 - kat} kilogram ntawv drums, nrog rau sab hauv ntawm polyethylene zaj duab xis los tiv thaiv kev nqus dej noo. Rau qhov loj- Ntxig Industrial siv, nws kuj tuaj yeem thauj thiab khaws cia hauv tej tso tsheb hlau luam tshwj xeeb.

● Cia: Muab cia rau hauv ib qho qhuav, txias, thiab zoo - vent {{} {{{{} {{{{{{{{{{{{{{{{{{{{{{{{{{{{{} Lub hnub ci, cov cua sov, thiab muaj zog oxidizing cov neeg sawv cev. Khaws lub ntim kaw kom nruj. Yuav tsum muaj qhov kub thiab txias yuav tsum tau tswj nyob rau hauv cov kev pom zoo (feem ntau nruab nrab {3} {} degree) los tiv thaiv cov khoom los ntawm kev tawm tsam lossis poob qis vim qhov ntsuas kub ntau dhau. Raws li kev cia khoom tsim nyog, PTMEG tuaj yeem tswj tau nws qhov zoo rau lub sijhawm ntev.

Cim npe nrov: Poly (tetramethylene ether) Glycol, Tuam Tshoj Poly (tetramethylene ether) Glycol Manufacturers, lwm tus neeg, Hoobkas

Tug

1,4-butanediol

Tom ntej

Gamma - butyrolactone

Koj Tseem Yuav Zoo Li

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