Cellulose ether: ntws los tau ntau dua, thiab txoj kev lag luam hauv qab yog loj hlob.
Cellulose ether yog hom ntawm ntuj ntuj polymer muab cov khoom siv nrov, uas muaj emulsification thiab tshem tawm cov yam ntxwv. Nyob rau hauv ntau yam, hydroxypropyl cellulose ete uas yog HPMC yog qhov muaj txiaj ntsig zoo tshaj plaws, qhov ntau tshaj plaws siv ib, nws ntau lawm tau nce zuj zus.
Xyoo tsis ntev los no, tau txiaj ntsig los ntawm kev loj hlob hauv tebchaws, kev tsim cov cellulose ethoes ntawm peb lub teb chaws nce xyoo los ntawm xyoo. Nyob rau tib lub sijhawm, nrog rau kev txhim kho kev tshawb fawb hauv tsev thiab kev xav tau kom yooj yim me me cellulose inclesticization, thiab cov expection ntawm celluligic ethere ether yog nce. Cov ntaub ntawv qhia tau tias txij Lub Ib Hlis txog lub Ib Hlis 2020, Tuam Tshoj xa tawm 64,806 tons ntawm cellulose ether, li 14,2% nyob rau xyoo, siab dua li ntawm xyoo 2019.
Xyoo tsis ntev los no, tau txiaj ntsig los ntawm kev loj hlob hauv tebchaws, kev tsim cov cellulose ethoes ntawm peb lub teb chaws nce xyoo los ntawm xyoo. Nyob rau tib lub sijhawm, nrog rau kev txhim kho kev tshawb fawb hauv tsev thiab kev xav tau kom yooj yim me me cellulose inclesticization, thiab cov expection ntawm celluligic ethere ether yog nce. Cov ntaub ntawv qhia tau tias txij Lub Ib Hlis txog lub Ib Hlis 2020, Tuam Tshoj xa tawm 64,806 tons ntawm cellulose ether, li 14,2% nyob rau xyoo, siab dua li ntawm xyoo 2019.
Cellulose ither cuam tshuam los ntawm cov nqi ntawm cov nqe
Cov khoom siv raw tseem ceeb rau cov khoom muaj kev hais ua cellulose suav nrog cov khoom siv ua liaj ua teb, suav nrog cov khoom paj rwb, thiab cov khoom siv tshuaj ntsuab, suav nrog cov tshuaj pleev kom zoo. Cov khoom siv raw ntawm rwb replice, thiab cov paj rwb shandhmere yog tsuas yog tsim nyob rau hauv Shandong, Xinjiang, Hebei thiab Jiangsu. Lub hauv paus ntawm cov ntoo khaub rwb fleece yog ntau thiab hauv cov khoom txaus.
Paj rwb account rau kev faib ua feem loj hauv cov qauv kev lag luam ntawm kev ua liaj ua teb ua liaj ua teb, thiab nws cov nqi cuam tshuam los ntawm cov xwm txheej ntuj thiab cov khoom siv thoob ntiaj teb thiab kev thov. Ib yam li ntawd, prantylene oxide, chloromethane thiab lwm yam tshuaj muaj tshuaj kuj muaj cuam tshuam los ntawm cov nqi roj thoob ntiaj teb. Txij li thaum cov ntaub ntawv raw rau cov khoom lag luam loj hauv tus nqi ntawm cellulose ether, kev hloov pauv ntawm cov muag ntawm cellulose ether.
Txhawm rau tiv thaiv tus nqi siab, cellulose ether cov nyheej feem ntau hloov cov nyhuv ntawm cov khoom lag luam hauv qab kev lag luam, cov khoom lag luam sib txawv thiab theem ntawm cov nqi thiab ntxiv tus nqi. Feem ntau, cov lag luam nrog cov kev lag luam siab, cov khoom muaj kev nplua nuj, cov nqi tau ntxiv muaj cov txiaj ntsig ntau dua thiab yuav tswj hwm cov nyiaj tau los sib luag. Txwv tsis pub, kev lag luam yuav tsum ntsib tus nqi siab dua. Ib qho ntxiv, yog tias ib puag ncig sab nraud tsis ruaj khov thiab cov khoom lag luam raw li ntau dua thiab muaj zog ntau, yog li kom ntseeg tau tias muaj kev pheej hmoo. Yog li no, qhov kev txwv no kev tsim kho cov cellulose sellulose ether cov kev lag luam rau qee yam.
Cellulose ether yog hom ntawm ntuj ntuj polymer muab cov khoom siv nrov, uas muaj emulsification thiab tshem tawm cov yam ntxwv. Nyob rau hauv ntau yam, hydroxypropyl cellulose ete uas yog HPMC yog qhov muaj txiaj ntsig zoo tshaj plaws, qhov ntau tshaj plaws siv ib, nws ntau lawm tau nce zuj zus.
Nrog kev nce qib kev kawm ntawm science thiab thev naus laus zis, cov kev ua lag luam nqes qis, thiab cov dej ntws los nthuav dav ntxiv, thiab cov dej ntws hauv cov dej tsis tu ncua. Nyob rau hauv cov qauv hauv qab lag luam qauv ntawm cellulose ether, cov ntaub ntawv hauv tsev, cov zaub mov roj, zaub mov thiab lwm daim teb nyob ib txoj haujlwm loj. Ntawm lawv, lub tsev cov khoom lag luam yog cov neeg siv khoom lag luam loj tshaj plaws, suav rau ntau dua 30%.
Kev lag luam tsim kev tsim kho yog qhov loj tshaj kev noj ntawm HPMC cov khoom lag luam
Hauv kev tsim kho kev tsim kho, HPMC khoom ua si ib qho kev sib khi tseem ceeb, dej khaws cia thiab lwm yam cuam tshuam. Tom qab tov ib qho me me ntawm HPMC nrog ceelent cug, tenscosity, yog li txhim kho cov khoom siv hauv tsev, txhim kho kev siv tshuab thiab kho kom zoo. Tsis tas li ntawd, HPMC tseem yog ib qho tseem ceeb retarder rau kev tsim khoom thiab kev thauj khoom lag luam ua lag luam, uas ua lub luag haujlwm hauv dej xauv thiab txhim kho cov khoom siv hluav taws xob ntawm cov pob zeb. Tam sim no, HPMC yog qhov tseem ceeb tshaj plaws cellulose khoom siv ether siv hauv cov ntaub ntawv sealing.
Kev Lag Luam Kev Lag Luam yog qhov tseem ceeb ntawm cov ncej kev lag luam ntawm peb cov lag luam hauv tebchaws. Cov ntaub ntawv qhia tau tias lub chaw tsim vaj tsev nce ntxiv los ntawm 7.02 lab square metres hauv xyoo 2019, muaj zog rau kev loj hlob ntawm cellulose ether kev ua lag luam ether.
Qhov kev lag luam tag nrho ntawm cov lag luam kev lag luam qub, thiab thaj chaw ntawm kev tsim kho thiab muag tau lub xyoo-nyob rau-xyoo. Cov ntaub ntawv rau pej xeem qhia tias xyoo 2020, xyoo tshiab txhua hli nyob rau hauv cov tsev lag luam uas tseem ceeb tshaj plaws, nqis rau xyoo, 2021 yuav tsum tau txuas ntxiv kho cov qauv. Hauv thawj ob lub hlis ntawm lub xyoo no, kev loj hlob ntawm cov tsev lag luam uas muaj kev lag luam nyob thaj tsam uas tau rov qab mus rau 104.9%, ib qho kev nce siab.
Roj Drilling
Cov kev lag luam tshuab kev lag luam tshwj xeeb tshwj xeeb yog cuam tshuam los ntawm Glernal Kev Tshawb Fawb Portfolio tau mob siab rau cov kev siv tshuab.
Thaum lub sij hawm roj drilling thiab ntau lawm, drilling kua ua lub luag haujlwm tseem ceeb hauv kev ua kom lub ntsej muag thiab lub raj kav thiab lubricating me ntsis, thiab hloov hydrodynamic rog. Yog li ntawd, nyob rau hauv cov roj drilling ua haujlwm, nws yog ib qho tseem ceeb heev kom tswj tau cov av noo, viscosity, fwjyity thiab lwm yam qhia txog kev drilling. Polyanionic cellulose, lossis PAC, tuaj yeem tuab, ntub cov khoom, thiab hloov hydrodynamic rog. Vim yog lub goovological cov kev mob ntawm cov roj cia cheeb tsam thiab qhov nyuaj ntawm kev khiav, muaj ntau ntawm PAC siv cov kev thov.
Kws Tshuaj Saib Xyuas Kev Lag Luam
Cov neeg tsis paub txog cellulose yog siv tau dav hauv kev lag luam kws tshuaj zoo li tshuaj, xws li cov thickeners, xws li cov thickeners, dispulsifiers thiab zaj duab xis tsim. Nws yog siv rau zaj duab xis txheej thiab cov nplaum ntawm cov tshuaj noj tshuaj tshuaj, thiab tseem siv tau rau hauv kev ncua, qhov muag npaj, cov ntsiav tshuaj uas ntab thiab lwm yam nkaus. Vim tias cov kev ua kom nruj dua ntawm kev ua kom huv thiab viscosity ntawm cov khoom siv celluel ether ether, kev siv khoom lag luam yog cov txheej txheem ntxuav thiab cov txheej txheem ntxuav. Piv nrog lwm cov cellulose khoom siv ether Cov khoom lag luam, cov nqi sau tau qis dua, tus nqi tsim yog siab dua, tab sis cov khoom ntxiv tus nqi tseem muaj nuj nqi kuj siab dua. Kws Tshuaj Ntsuam Xyuas yog tsuas yog siv rau hauv kev npaj siv tshuaj lom neeg, suav cov tshuaj patent, roj ntsha thiab cov khoom siv tshuaj lom neeg thiab lwm yam khoom siv tshuaj.
Vim tias cov kev lag luam kev lag luam uas tau pib lig, kev tsim kho txhua yam yog qhov tsawg ntawm cov tshuab hluav taws xob yuav tsum tau txhim kho ntxiv. Ntawm cov zis cov nqi ntawm kev npaj cov khoom siv hauv tsev, cov zis ntawm cov tshuaj ntsuab hauv tsev rau cov tshuaj tua hluav taws xob tsis zoo (kwv yees li 15%). Nws tuaj yeem pom tau tias tseem muaj qhov chaw zoo rau kev txhim kho cov tshuaj zoo nkauj, uas yuav tsum tau tsav txoj kev loj hlob ntawm cellulose ether.
Lub sij hawm Post: Aug-31-2022