Cov khoom lag luam

Kev ua tau zoo index:

Zog: Tsis muaj kob uas tsis ua kua

Cov ntsiab lus: ≥ 99%

Melting point - 108^oC

Lub ntsiab lus Boiling: 66^oC

Qhov ceev: 0.887 g / ml ntawm 20^oC

Cov pa ceev 2.5 (vs huab cua)

Vapor siab <0.01 hli Hg (25^oC)

Refractive index n 20 / D 1.465

Flash point> 230^of

Cov lus qhia:

1. Tetrahydrofuran, cov khoom siv raw ntawm spandex synthesis, tuaj yeem yog tus kheej polycondensated (ntiv nplhaib qhib thiab rov polymerization pib los ntawm cation) rau poly (tetramethylene ether glycol) (PTMEG), tseem hu ua tetrahydrofuran polyether. PTMEG thiab toluene diisocyanate (TDI) tau siv los ua cov roj hmab tshwj xeeb nrog hnav tsis kam, roj tsis kam, ua haujlwm kub tsis tshua zoo thiab muaj lub zog loj, thiab thaiv polyether polyester elastic khoom tau ua nrog dimethyl terephthalate thiab 1,4-butanediol. PTMEG nrog cov nyhav molecular ntawm 2000 thiab p-methylene bis (4-phenyl) diisocyanate (MDI) yog siv los ua cov ntaub ntawv nyoos rau polyurethane elastic fiber (spandex fiber), roj hmab tshwj xeeb thiab qee cov hom phiaj tshwj xeeb. Kev siv THF tseem ceeb yog tsim los ntawm PTMEG. Raws li cov ntsiab lus ntxhib, ntau tshaj 80% ntawm THF hauv ntiaj teb siv los tsim PTMEG, thiab PTMEG siv feem ntau los tsim cov tshuaj fiber ntau spandex. 2.Tetrahydrofuran(THF) yog ib hom kuab ua kom zoo, tshwj xeeb tshaj yog tsim nyog rau kev zom PVC, polyvinylidene chloride thiab butylamine. Nws yog dav siv ua cov kuab tshuaj rau saum npoo, anticorrosive txheej, luam ntawv number case, kab xev thiab txheej txheej zaj duab xis. Nws tuaj yeem tswj cov tuab thiab ci ntsa iab ntawm txhuas txheej thaum siv nyob rau hauv electroless txhuas plating da dej. Cov kab xev txheej, PVC txheej txheej, ntxuav PVC reactor, tshem cov PVC zaj duab xis, cellophane txheej, yas luam ntawv number case, thermoplastic polyurethane txheej, nplaum kuab tshuaj, dav siv hauv txheej txheej, tiv thaiv txheej, number case, tus neeg sawv cev thiab cov tawv hluavtaws txheej kho tus neeg sawv cev.

3. Siv ua cov ntaub ntawv raw khoom rau cov organic synthesis xws li chaw ua tshuaj. Hauv kev lag luam kws tshuaj, nws yog siv los ua ke kebiqing, rifamycin, progesterone thiab qee cov tshuaj hormones. Nws tuaj yeem raug siv los ua tus ntxhiab tsw (kev qhia paub ntxiv) hauv roj roj thiab cov kuab tshuaj tseem ceeb hauv kev lag luam kws tshuaj.

4. chromatographic cov kuab tshuaj rau lwm qhov siv (gel permeation chromatography) yog siv rau cov roj tsw qab, cov roj ntsha acetylene muaj cov kuab tshuaj, polymeric lub teeb stabilizers, thiab lwm yam nrog rau kev thov tetrahydrofuran, tshwj xeeb tshaj yog kev loj hlob sai ntawm spandex kev lag luam hauv Tuam Tshoj nyob rau xyoo tas los no, kev thov rau PTMEG hauv Suav teb nce hnub los ntawm hnub, thiab qhov kev thov tetrahydrofuran kuj tseem qhia txog kev loj hlob sai.

Cov ntaub ntawv ceev faj rau kev cia: feem ntau, cov khoom lag luam yog ntxiv nrog polymerization inhibitor. Khaws rau hauv lub tsev tso khoom txias thiab cua. Cia kom deb ntawm hluav taws thiab qhov kub. Qhov cia khoom kub yuav tsum tsis pub tshaj 30 ℃. Lub pob yuav tsum muab ntim thiab tsis nyob nrog huab cua. Nws yuav tsum khaws cia cais tawm ntawm oxidant, acid, alkali, thiab lwm yam. Nws yog txwv tsis pub siv cov cuab yeej thiab cov cuab yeej yooj yim los ua cov txim taws. Qhov chaw ntim khoom yuav tsum muaj cov cuab yeej siv kho mob lub sij hawm tiv thaiv kev kub ntxhov thiab cov khoom lag luam kom zoo.

Cov: 180kg / nruas.

Lub peev xwm txhua xyoo: 2000 tons / xyoo