Cov ntaub ntawv raw tseem ceeb ntawm polyether, xws li propylene oxide, thiab lawv cov nqi cuam tshuam los ntawm macrochemical thiab muab cov kev pab cuam thiab thov kom nws nyuaj rau kev tswj tus nqi hauv kev lag luam polyet. Txawm hais tias tus nqi ntawm propylene oxide yuav tsum tau poob rau hauv 2022 vim muaj peev xwm ntau yam tshiab tsim los ntawm lwm cov ntaub ntawv raw tseem muaj.

Lub cim kev lag luam ntawm polyether kev lag luam

Cov nqi ntawm cov txheej txheem polyether feem ntau yog tsim cov khoom ncaj qha xws li cov khoom lag luam rawrile, nrog rau cov neeg lag luam rawree, thiab lwm yam kev lag luam hauv xeev Ib qho kev faib ua feem ntawm cov nplai kev tsim khoom, yog li cov tuam txhab nce nce cov khoom siv tau khoom lag luam muaj pob tshab rau ntau dua. Hauv kev lag luam hauv kev lag luam, cov tub ntxhais kawm cov kab ke muaj cov yam ntxwv ntawm cov qauv loj, yog li kev lag luam tau txais kev lag luam loj ntawm "ntau lawm los ntawm kev muag khoom".

Technology qib thiab cov yam ntxwv ntawm kev lag luam polyether

Tam sim no, tus qauv kev lag luam hauv tebchaws ntawm kev lag luam polyet yog GB / T12008.1-7, tab sis txhua qhov chaw tsim khoom lag luam raug siv rau cov qauv kev lag luam. Cov chaw lag luam sib txawv tsim cov khoom lag luam zoo ib yam li cov khoom lag luam, thev naus laus zis, kev coj ua, muaj qee yam sib txawv hauv cov khoom lag luam zoo thiab ua tau zoo ruaj khov.

Txawm li cas los xij, qee qhov kev lag luam hauv kev lag luam tau mastered tus yuam sij thev naus laus zis, thiab kev ua haujlwm ntawm lawv cov khoom lag luam nce mus ntev ntawm cov khoom lag luam zoo sib xws txawv txawv.

Cov qauv sib tw thiab kev lag luam ntawm kev lag luam polyet

(1) Cov kev sib tw sib tw thoob ntiaj teb thiab kev lag luam ntawm kev lag luam polyet

Nyob rau lub sijhawm 9th-xyoo, lub ntiaj teb ntau lawm nthuav dav muaj peev xwm nthuav dav thiab yog ib qho tseem ceeb thoob ntiaj teb thiab muag lub teb chaws ntawm polyether. Tuam Tshoj, Tebchaws Asmeskas thiab Tebchaws Europe yog cov neeg siv nyiaj thoob ntiaj teb ib yam li lub ntiaj teb cov tub ceev xwm loj. Los ntawm qhov pom ntawm kev tsim khoom lag luam, tam sim no, cov tuam txhab ntau lawm hauv kev tsim khoom xws li Basf, Costco, Dow tshuaj thiab lub plhaub.

(2) cov qauv sib tw thiab kev lag luam ntawm kev lag luam Polyether

Tuam Tshoj Polyurethane Kev Lag Luam Pib Nyob Hauv Lub Sijhawm 1980, thiab muaj tons thaum ntxov, nrog rau xyoo 1995. Txij li xyoo 19000, nrog kev loj hlob sai ntawm kev lag luam hauv tsev polyurethane, ntau cov ntoo nroj tsuag tau loj dua thiab cov polyeting ntau lawm tau dhau los ua kev lag luam tsis tu ncua, thiab kev lag luam polyeting tau dhau los ua kev lag luam kev lag luam ceev ceev hauv Suav teb. Kev lag luam polyet tau dhau los ua kev lag luam sai heev hauv Suav teb kev lag luam tshuaj.

Cov qauv ntawm cov txiaj ntsig txiaj ntsig hauv kev lag luam polyether

Cov txiaj ntsig txiaj ntsig ntawm polyet kev lag luam yog feem ntau txiav txim siab los ntawm cov ntsiab lus ntawm cov khoom siv hauv qab cov khoom lag luam, thiab tseem muaj kev hloov kho ntawm cov khoom siv raw khoom thiab lwm yam.

Tsis pub dhau lub polyeting kev lag luam, cov txiaj ntsig txiaj ntsig ntawm cov lag luam tau sib txawv heev vim muaj cov qauv siv, cov qauv khoom lag luam thiab kev tswj hwm. Cov lag luam nrog muaj peev xwm R & D, cov khoom lag luam zoo thiab cov kev ua haujlwm loj tau ua rau lawv muaj peev xwm tsim cov khoom lag luam zoo thiab muaj txiaj ntsig zoo ntxiv. Ntawm qhov tsis sib xws, muaj cov qauv ntawm homogeneous kev sib tw ntawm polyether khoom, nws cov txiaj ntsig nyiaj yuav nyob ntawm qis dua, lossis txawm tias tsis lees paub.

Kev saib xyuas muaj zog ntawm kev tiv thaiv ib puag ncig thiab kev saib xyuas kev nyab xeeb yuav tswj hwm kev ua lag luam kev lag luam

Qhov "14th-xyoo phiaj xwm" kom meej meej yuav raug txo mus ntxiv, thaj chaw ecissions yuav tau txais txuas ntxiv, thiab kev nyab xeeb ecological yuav ua tau ntau dua ". Ntxiv cov qauv kev nruj ib puag ncig ib puag ncig yuav ua rau cov txheej txheem kev lag luam ntau dua thiab txo cov khoom siv "tsim peb zaug" tsim tawm, thiab txhim kho cov khoom lag luam zoo thiab muaj txiaj ntsig ntxiv. Nyob rau tib lub sijhawm, kev lag luam yuav txuas ntxiv tshem tawm lub nraub qaum rov siv zog, cov tshuaj lom ntau ntau thiab cov khoom siv tsim khoom, ua kom huv

Nyob rau tib lub sijhawm, kev lag luam yuav txuas ntxiv tshem tawm kev tiv thaiv kev tiv thaiv kom huv ntau, yog li ntawd cov khoom siv R & D kom ceev ceev, thiab txhawb kev lag luam nrawm , yog li ntawd cov lag luam hauv kev coj ua ntawm kev loj hlob zoo, thiab thaum kawg txhawb txoj kev txhim kho zoo ntawm kev lag luam tshuaj.

Xya lub teeb meem nyob rau hauv kev lag luam polyet

(1) kev siv thiab thev naus laus zis

Raws li cov ntawv thov cov khoom lag luam txuas ntxiv mus nthuav dav, cov kev xav tau ntawm cov yam ntxwv ntawm cov yam ntxwv ntawm kev ua haujlwm tshwj xeeb, ntau yam thiab kev coj ua. Kev xaiv ntawm kev xaiv tshuaj lom neeg, tsim kev xaiv, kev tswj cov thev naus laus zis thiab tau dhau los ua cov tub ntxhais kawm sib tw. Nrog rau cov hlua taws ua kom muaj kev tiv thaiv lub zog thiab kev tiv thaiv ib puag ncig, cov pa roj carbon monoxide kuj muaj kev tiv thaiv ib lub neej tom ntej. Yog li ntawd, mastering tseem ceeb thev naus laus zis yog qhov tseem ceeb thaiv kom nkag mus rau qhov kev lag luam no.

(2) Txawj Trent

Cov qauv tshuaj ntawm polyether tau zoo heev uas hloov pauv ntawm cov khoom lag luam, yog li cov khoom lag luam molecular yuav ua rau muaj kev txhim kho ntau dua, kev tsim kho cov txuj ci thiab kev siv kev lag luam. Daim ntawv thov ntawm cov tub ntxhais cov khoom polyether yog muaj zog, uas yuav tsum tsis tsuas yog muaj peev xwm hloov kho cov ntawv txheej txheem sib txawv, tab sis kuj muaj kev lag luam hauv qab kev lag luam thiab cov txuj ci kev lag luam hauv qab.

Yog li ntawd, qhov kev lag luam no muaj cov txuj ci siab rau kev tshaj lij thiab kev ua kom lub hauv paus tseem ceeb, nrog rau cov nplua nuj R & D thiab muaj peev xwm muaj lub peev xwm tsim kho tshiab. Nyob rau tam sim no, cov kws tshaj lij hauv kev ua tsis tau nrog cov kev paub zoo keeb kwm yav dhau los thiab kev ua haujlwm nplua nuj kev paub hauv kev lag luam tseem tsawg. Feem ntau, cov lag luam hauv kev lag luam yuav ua ke cov lus qhia txuas ntxiv ntawm cov txuj ci txuas ntxiv thiab txhim kho lawv cov peev txheej kev sib tw los ntawm kev tsim cov kev txawj ntse txheej txheem tsim rau lawv tus kheej cov yam ntxwv. Rau cov neeg nkag tshiab rau kev lag luam, qhov tsis muaj cov txuj ci kws tshaj lij yuav ua rau muaj kev cuam tshuam rau kev nkag mus.

(3) Cov khoom Raw Ua Ke Teeb Meem

Propylene oxide yog ib qho khoom siv tseem ceeb hauv kev lag luam tshuaj thiab yog ib qho tshuaj lom zem, yog li kev yuav khoom lag luam yuav tsum muaj kev nyab xeeb ntau lawm. Lub caij no, cov tsev hauv tsev hauv tsev neeg yog cov roj carbon monomal, Wudi Xinthue Tshuaj Khoos Phem, Jinhua, Wanling Huntsman. Cov kev lag luam saum toj saud uas nyiam koom tes nrog cov neeg lag luam oxide sib luag, kev xaiv cov neeg siv cov dej ntws hauv nroog thiab kev tsom mus rau lub sijhawm ntev thiab kev sib koom tes ntawm kev koom tes. Thaum cov neeg tuaj yeem tshiab hauv kev lag luam tsis muaj peev xwm haus cov tsiaj ntawv ua kom zoo rau lawv kom tau txais cov khoom siv raw los ntawm cov khoom lag luam raw los ntawm cov khoom lag luam.

(4) peev txheej

Cov peev txheej ntawm qhov kev lag luam no yog feem ntau tshwm sim hauv peb qho: kev ntsuas tsim nyog yuav tsum ua kev lag luam ntawm nplai, thiab kev nqis peev hauv kev nyab xeeb thiab ib puag ncig cov khoom siv. Nrog rau kev ceev ntawm cov khoom hloov, cov qauv zoo, tus kheej txoj hauv kev muaj kev nyab xeeb thiab cov peev txheej ib puag ncig, kev nqis peev thiab kev ua haujlwm ntawm cov lag luam ntawm kev lag luam yog nce. Rau cov neeg nkag tshiab rau kev lag luam, lawv yuav tsum ncav cuag ib qho kev lag luam tawm hauv kev txiav txim siab nrog cov khoom lag luam uas twb muaj lawm, thev naus laus zis, yog li muaj contrier nyiaj txiag rau kev lag luam.

(5) Kev tswj hwm cov txheej txheem system

Cov kev siv dej hauv qab ntawm cov kev lag luam polyet yog qhov dav dav thiab cov khoom siv sib txawv thiab cov khoom siv sib txawv ntawm cov neeg siv khoom muaj peev xwm ua haujlwm. Cov kev pabcuam ntawm cov neeg muab khoom, xws li R & D, kev tsim khoom, kev tsim khoom thiab tom qab muag, txhua yam xav tau cov saw zoo rau kev txhawb nqa. Cov txheej txheem tswj hwm saum toj no yuav tsum tau sim ntev ntev thiab cov peev txheej loj ntawm cov peev peev kawg, uas yog cov nyom zoo rau kev nkag mus rau cov thawj coj me thiab nruab nrab.

(6) Kev tiv thaiv ib puag ncig thiab kev thaiv kev nyab xeeb

Tuam Tshoj cov kev lag luam tshuaj lom neeg los siv cov tshuaj pom zoo, kev qhib cov kev lag luam tshuaj yuav tsum ua tiav cov kev cai lij choj uas tau txais kev pom zoo ua ntej sib koom tes. Cov ntaub ntawv nyoos raw ntawm lub tuam txhab kev lag luam, xws li tshuaj xyuas cov tshuaj ntsuab xws li tshuaj xyuas cov txheej txheem no yog qhov kev txiav txim siab, kev ua haujlwm zoo siab, thiab thaum kawg tau txais cov kev lees paub Daim ntawv tso cai ua ntej lawv tuaj yeem tsim khoom lag luam.

Ntawm qhov tod tes, nrog kev txhim kho kev sib raug zoo thiab kev lag luam, kev tiv thaiv kev nyab xeeb thiab kev txhawb nqa kev nyab xeeb, tsis muaj peev xwm them taus yuav tsis muaj peev xwm them taus Kev tiv thaiv kev nyab xeeb thiab ib puag ncig kev tiv thaiv thiab maj mam rho tawm. Kev Nyab Xeeb Kev Nyab Xeeb thiab Kev Nyab Xeeb Kev Ruaj Ntseg tau dhau los ua ib qho ntawm cov kev thaiv tseem ceeb los sau kev lag luam.

(7) hom teeb meem

Kev tsim cov polyurethane cov khoom lag luam feem ntau cov khoom siv tau ua tiav ib-lub sijhawm polyether ua teeb meem muaj teeb meem, nws yuav ua rau muaj teeb meem cov khoom muaj teeb meem rau tag nrho cov polyurethane khoom. Yog li ntawd, cov khoom lag luam zoo ntawm cov txheej txheem polyether feem ntau yog qhov tseem ceeb rau cov neeg siv. Tshwj xeeb tshaj yog rau cov neeg siv khoom hauv kev lag luam hauv tsheb, lawv tau xaiv cov khoom lag luam me me, thiab kev soj ntsuam me me thiab kev sim ntev thiab kev sim siab. Yog li ntawd, kev tsim cov khoom lag luam thiab kev sib txuam ntawm cov neeg siv khoom uas yuav tsum muaj kev nkag siab tshiab nrog kev sib tw tshiab hauv kev sib tw thiab lwm yam hauv lub sijhawm luv luv, yog li ua ib Muaj zog hom thaiv.