Ua ntej, kev ua haujlwm ntawm cellulose ether kev lag luam
Nrog rau txoj kev loj hlob sai ntawm kev tsim kho, khoom noj khoom haus, tshuaj, tshuaj niaj hnub thiab lwm yam kev lag luam, lub ntiaj teb kev lag luam xav tau rau cov khoom tsis-ionic cellulose ether tau nce sai heev hauv xyoo tas los no.Tom qab xyoo 2000, cellulose ether kev lag luam loj hlob sai hauv peb lub teb chaws, cov khoom lag luam yog nplua nuj, thiab ua tiav cov lag luam nplai tsis tu ncua ntawm cov kauj ruam, ib pawg ntawm txhiab tons rau hauv txhua qhov kev lag luam kev lag luam, cov khoom lag luam los ntawm qis mus rau siab, viscosity los ntawm ib qho khoom lag luam. mus rau kev faib khoom yog maj mam nkag mus rau hauv daim ntawv thov kev lag luam, ho txhim kho cov khoom zoo, mid-range cov khoom maj mam mus rau thoob ntiaj teb, Los ntawm importing lub teb chaws mus rau exporting lub teb chaws.Tam sim no, domestic cellulose ether ntau lawm tuam txhab uas muag nyob rau hauv hais txog 70, feem ntau faib nyob rau hauv Shandong, Jiangsu, Henan, Hebei thiab Chongqing thiab lwm qhov chaw.Raws li cov ntaub ntawv tso tawm los ntawm Tuam Tshoj Cellulose Industry Association, tag nrho cov txiaj ntsig ntawm cellulose ether hauv Suav teb xyoo 2017 yog 373,300 tons, nce 17.3% xyoo rau xyoo.Uas yog siv nyob rau hauv lub tsev cov ntaub ntawv, tshuaj thiab zaub mov HPMC sawv cev los ntawm non-ionic cellulose ether cellulose ether kev lag luam kev loj hlob tseem ceeb thiab tshiab tsav tsheb, 2017 tso zis ntawm txog 180,000 tons, accounting rau txog 48% ntawm tag nrho cov zis ntawm domestic cellulose ether.
Cellulose ether yog lub ntsiab additive uas cuam tshuam rau kev tsim kho ntawm mortar.Tus nqi ntawm cellulose ether tsawg heev, tab sis nws tuaj yeem txhim kho kev ua haujlwm ntawm cov khoom siv tshuaj khib nyiab.Nws yog ib qho tseem ceeb ntawm cov khoom sib xyaw qhuav qhuav thiab tshwj xeeb qhuav sib xyaw mortar.HPMC nyob rau hauv qhuav mix mortar raws li ib tug neeg sawv cev ntawm cov non-ionic cellulose ether, yog dav siv nyob rau hauv sealing, txheej txheej, muab tshuaj txhuam ceramic pobzeb thiab ntxiv rau hauv cement mortar.Tshwj xeeb tshaj yog nyob rau hauv cov cement mortar tov nrog ib qho me me ntawm HPMC tuaj yeem ua kom cov viscosity, dej tuav, qeeb coagulation thiab cua induction nyhuv, txhim kho cov pobzeb pobzeb, putty thiab lwm yam khoom lag luam daim ntawv cog lus kev ua tau zoo, Frost tsis kam thiab kub tsis kam, tensile thiab shear zog, yog li txhawm rau txhim kho kev tsim kho kev ua haujlwm ntawm cov khoom siv hauv tsev, txhim kho kev tsim kho kom zoo thiab kev siv tshuab ua haujlwm zoo.
Nyob rau hauv xyoo tas los no, nrog rau kev saib xyuas ntawm lub xeev rau kev tiv thaiv ib puag ncig hauv nroog, National Development thiab Reform Commission, Ministry of Commerce, Ministry of Housing and Urban-Rural Development thiab lwm lub koom haum tau tshaj tawm thiab siv ntau txoj cai ntawm kev siv cov mortar qhuav.Tam sim no, ntau tshaj 300 lub nroog hauv Suav teb tau qhia txog cov cai cuam tshuam rau kev siv cov tshuaj khib nyiab qhuav.Kev nce qib sai ntawm cov khoom sib xyaw qhuav tau ua rau kev loj hlob ntawm HPMC kev lag luam xav tau.Nyob rau hauv 13th Tsib Xyoo Plan, kev nce qib ntawm kev siv cov khoom siv hauv tsev tshiab (nrog rau cov ntaub ntawv tshiab ntawm cov phab ntsa, cov khoom siv rwb thaiv tsev thermal, cov ntaub ntawv tsis muaj dej tsis zoo, cov khoom siv kho kom zoo nkauj hauv tsev thiab lwm yam plaub pawg ntawm cov ntaub ntawv yooj yim) yog cov kev taw qhia ntawm txoj kev loj hlob tawm tswv yim los ntawm cov kev lag luam hauv teb chaws, yav tom ntej ntawm HPMC cov khoom yuav muaj ntau qhov chaw rau kev txhim kho.
Nyob rau hauv tag nrho cov khoom siv hauv tsev qib cellulose ether, cov ntaub ntawv hauv tsev qib cellulose ether hauv 2017 ntau npaum li cas ntawm 123,000 tons los yog li ntawd, cellulose ether ntau daim ntawv thov tseem ceeb rau ceramic pobzeb binder, phab ntsa rwb thaiv tsev system txhawb mortar, putty, zoo tib yam qhuav mix mortar, gypsum raws. cov khoom, sealant, hniav mortar, ALC masonry mortar thiab plastering mortar, interface tus neeg saib xyuas.Ntawm cov ntawv thov saum toj no, kev lag luam rwb thaiv tsev thiab kev lag luam npaj sib xyaw mortar yog nyob ntawm kev tsim kho tshiab, thaum lwm cov ntawv thov tau koom nrog kev kho dua tshiab thiab kho dua tshiab ntawm cov tsev uas twb muaj lawm, uas tuaj yeem hais tau tias yog nyob rau hauv txoj kev loj hlob.Raws li qhov kev kwv yees no, tag nrho cov kev lag luam xav tau yuav nce ntxiv hauv 2018.
Kev lag luam txawv teb chaws cellulose ether pib ua ntej, nrog Dow Chemical, Yiletai, Ashlan pab pawg ua tus neeg sawv cev ntawm cov tuam txhab tsim khoom hauv cov qauv tsim khoom thiab cov txheej txheem yog nyob rau hauv txoj haujlwm tseem ceeb.Limited los ntawm technology, domestic cellulose ether tuam txhab uas muag tsuas yog tsim cov khoom uas tsis muaj nqi ntxiv nrog cov txheej txheem kuj yooj yim thiab kuj tsis tshua muaj khoom purity, thiab high technology thiab high nqi-ntxiv cov khoom tsis tau nrov nyob rau hauv Suav teb.Cov khoom siv hauv tsev qib cellulose ether project tsim lub voj voog luv luv, cov khoom siv dav siv, yog li muaj qhov tshwm sim ntawm kev nthuav dav ntawm kev lag luam, kev tsis sib haum xeeb hauv kev ua lag luam ua rau muaj peev xwm ntau dhau, tsis muaj cov ntaub ntawv sau tseg, tam sim no muaj peev xwm ntawm cellulose ether. nyob rau hauv Suav teb yog kwv yees li 250,000 tons, feem ntau ntawm lawv yog cov khoom siv hauv tsev qis qis.
Nrog rau kev txhim kho lub xeev cov cai rau kev tiv thaiv ib puag ncig, 2015 lub teb chaws tau tsim cov dej khib nyiab nruj, cov pa paug pov tseg, los ntawm kev nyiag, tsis siv cov dej khib nyiab ntau lawm, cov khoom tsis zoo thiab cov khoom lag luam ntsev maj mam tswj, tsis muaj peev xwm txhim kho cov lag luam maj mam raug tshem tawm, nyob rau hauv hebei, shandong thiab lwm qhov chaw, ib co me me cellulose ether tuam txhab uas muag tau raug kaw, lub disorderly kev sib tw ntawm cellulose ether kev lag luam yuav zoo dua.
Ob, cellulose ether kev lag luam kev loj hlob ntawm lub ntsiab yam tseem ceeb
(a) cov txiaj ntsig zoo cuam tshuam rau kev txhim kho cellulose ether kev lag luam
1. Lub teb chaws txoj cai txhawb thiab kev txhawb zog txhawb zog
Tuam Tshoj Lub Tsev Haujlwm Saib Xyuas Kev Lag Luam thiab Cov Ntaub Ntawv Technology tau tshaj tawm cov khoom siv hauv tsev kev lag luam "kaum tsib xyoos" txoj kev loj hlob "qhia tias cov khoom siv hauv tsev qib cellulose ether ua cov khoom siv ua haujlwm siab, tuaj yeem txhim kho cov dej tuav cov khoom siv hauv tsev, viscosity, txuag hluav taws xob, kev tiv thaiv ib puag ncig, nyob rau hauv txoj kab nrog lub teb chaws industrial txoj cai orientation."Cov khoom siv hauv tsev tshiab" kaum ob Tsib Xyoo "txoj kev tsim kho" tau taw qhia tias kev nyab xeeb, kev tiv thaiv ib puag ncig, txuag hluav taws xob cov khoom siv hauv tsev tshiab (nrog rau cov ntaub ntawv tshiab ntawm cov phab ntsa, cov khoom siv rwb thaiv tsev thermal, cov khoom siv dej tsis zoo, cov khoom siv kho kom zoo nkauj thiab lwm yam plaub yam ntawm cov ntaub ntawv yooj yim. ) yog "kaum kaum tsib xyoos" thaum lub sijhawm tsim cov khoom siv hauv tsev tshiab.Ntxiv cellulose ether tuaj yeem txhim kho thiab ua kom zoo dua cov khoom siv phab ntsa tshiab, cov khoom siv kho kom zoo nkauj thiab lwm yam khoom siv hauv tsev, suav nrog gypsum board, thermal rwb thaiv tsev mortar, qhuav mixing mortar, PVC resin, latex xim, thiab lwm yam. txuag thiab kev tiv thaiv ib puag ncig.Lub xeev txhawb kev tsim cov khoom siv hauv tsev tshiab, uas yog qhov tsim nyog los ua kom qhov kev thov rau HPMC hauv kev ua lag luam hauv tsev.
2, lub teb chaws kev lag luam los txhawb txoj kev loj hlob ntawm kev lag luam
Tshaj li 30 xyoo dhau los, Tuam Tshoj txoj kev lag luam hauv lub tebchaws tau tswj hwm txoj kev loj hlob sai thiab txhim khu kev qha, tag nrho cov txheej txheem ntawm kev lag luam thiab tib neeg txoj kev ua neej nyob kuj tau txhim kho zoo heev, cellulose ether hu ua "kev lag luam MONOsodium glutamate", yog dav siv nyob rau hauv ntau yam kev lag luam ntawm lub teb chaws, kev lag luam kev loj hlob yuav inevitably tsav kev loj hlob ntawm cellulose ether kev lag luam.Nrog rau kev txhim kho ntawm tib neeg kev noj qab haus huv thiab kev paub txog ib puag ncig, HPMC xws li non-ionic cellulose ether yuav maj mam hloov lwm cov ntaub ntawv, thiab siv dav thiab tsim.
3. Kev xav tau ntawm kev lag luam nce ntxiv thiab kev cia siab rau kev loj hlob
Raws li Ministry of Housing and Urban-Rural Development, kev siv hluav taws xob hauv cov tsev suav nrog ntau dua 28 feem pua ntawm Tuam Tshoj lub zog siv tag nrho.Ntawm ze li ntawm 40 billion square meters ntawm cov tsev uas twb muaj lawm, 99% yog lub zog siv zog, nrog rau cov cua sov siv hluav taws xob hauv ib cheeb tsam sib npaug li 2-3 npaug ntawm cov teb chaws tsim nrog latitude zoo sib xws.Xyoo 2012, Ministry of Housing and Urban-Nural Development tau tshaj tawm "Twelfth Five-Year" Building Energy Conservation Special Plan, uas tau hais tias los ntawm 2015, lub hom phiaj ntawm 800 lab square meters ntawm cov tsev ntsuab tshiab;Thaum kawg ntawm lub sijhawm npaj, ntau dua 20% ntawm cov tsev tshiab hauv nroog yuav ua tau raws li cov qauv vaj tsev ntsuab, cov khoom siv phab ntsa tshiab yuav suav txog ntau dua 65% ntawm tag nrho cov ntaub ntawv phab ntsa, thiab feem ntau ntawm cov ntaub ntawv siv hauv tsev yuav ncav cuag. ntau tshaj 75%.HPMC raws li cov khoom siv hauv tsev tshiab, yuav hloov cov tshuaj cellulose ether yuav siv rau cov khoom siv hauv tsev tshiab, kev lag luam ze ze.
(B) cov teeb meem tsis zoo cuam tshuam rau txoj kev loj hlob ntawm cellulose ether kev lag luam
1, tus naj npawb ntawm cov tuam txhab tsim khoom, kev sib tw tsis sib haum xeeb yog qhov hnyav
Cellulose ether project tsim lub voj voog yog luv luv, ua rau cov lag luam hauv tsev thiab txawv teb chaws tau nkag mus rau hauv lub tshav pob, kom qhov tshwm sim ntawm kev nthuav dav ntau zaus.Ntawm lawv, muaj ntau cov tuam txhab tsim khoom me me, feem ntau muaj peev txheej peev, qib kev ua haujlwm qis, cov cuab yeej tsim khoom yooj yim, tsis tiav kev tiv thaiv ib puag ncig, thiab kev ua qias tuaj ib puag ncig hauv cov txheej txheem tsim khoom.Cov khoom lag luam uas tsis tshua muaj nqi coj los ntawm tus nqi qis dej nyab lub khw, ua rau cov nqi tsis sib xws thiab cov khoom zoo, thiab kev ua lag luam nyob rau hauv lub xeev ntawm kev sib tw tsis zoo.Nyob rau hauv xyoo tas los no, kev tiv thaiv ib puag ncig tau raug coj los ntawm lub xeev, thiab cov kev cai ntawm kev tsim khoom lag luam tau raug txhim kho.Qee lub lag luam me tsis tuaj yeem kho thiab txhim kho yuav maj mam thim tawm ntawm kev ua lag luam, thiab kev sib tw tsis zoo ntawm cellulose ether yuav raug txhim kho.
2. Kev lag luam hauv tsev tau pib lig nrog qib kev ua haujlwm qis
Cellulose ether kev lag luam tau pib ua ntej hauv cov teb chaws tsim, thoob ntiaj teb cov tuam txhab paub zoo yog cov khoom lag luam tseem ceeb ntawm lub ntiaj teb high-end kev ua lag luam, thiab paub txog cov kev siv technology siab heev ntawm cellulose ether.Tuam Tshoj txoj kev lag luam cellulose ether pib lig, piv nrog cov teb chaws tsim, Tuam Tshoj tau koom nrog hauv kev tshawb fawb thiab tsim cov cellulose ether hauv kev ua haujlwm ntawm cov neeg ua haujlwm tsawg, qib siab ntawm cov txuj ci tshwj xeeb yog pom tseeb tsis txaus, muaj qee qhov sib txawv hauv kev tshawb fawb thiab kev loj hlob. thiab kev siv technology ntawm cellulose ether.Kev cuam tshuam los ntawm kev siv tsis txaus ntawm kev siv thev naus laus zis thiab cov txuj ci tshwj xeeb, cov chaw tsim khoom lag luam hauv tsev cellulose ether tsim cov khoom siv dav dav, rau cov kev xav tau tshwj xeeb ntawm cov neeg siv khoom qis qis, nws nyuaj rau ua kom tau raws li cov neeg siv khoom xav tau, tsis muaj zog ntxiv ntawm cov khoom lag luam thiab kev sib tw ua lag luam. .
Post lub sij hawm: Mar-23-2022