Methocel thiab Culminal yog ob hom cellulose ether cov khoom tsim los ntawm qhov sib txawvCellulose ether manufacturers, Dow Chemical thiab Ashland, feem. Cov cellulose derivatives sib koom siv ntau yam kev lag luam, suav nrog kev tsim kho, tshuaj, zaub mov, thiab tshuaj pleev ib ce. Txawm li cas los xij, lawv muaj qhov sib txawv ntawm cov chaw tsim khoom, cov qauv tsim, cov khoom tshwj xeeb, thiab cov yam ntxwv ua haujlwm. Hauv kev sib piv no, peb yuav tshawb nrhiav qhov sib txawv thiab qhov sib xws ntawm Methocel thiab Culminal kom ntxaws, npog lawv cov khoom, kev siv, txheej txheem ntau lawm, thiab lwm yam.
Taw qhia rau Methocel thiab Culminal:
1. Methocel:
- Chaw Tsim Tshuaj: Methocel yog lub npe lag luam rau cellulose ethers uas tsim los ntawm Dow Chemical, lub tuam txhab tshuaj lom neeg thoob ntiaj teb nrog ntau hom tshuaj thiab cov khoom siv polymer.
- Kev siv: Methocel cellulose ethers yog siv rau hauv kev tsim kho, tshuaj, khoom noj, thiab tshuaj pleev ib ce. Lawv ua hauj lwm ua thickeners, binders, stabilizers, thiab lwm yam.
- Cov Khoom Qhia Tshwj Xeeb: Methocel muaj ntau qib nrog cov khoom sib txawv thiab kev siv, suav nrog Methocel CRT rau kev tsim kho thiab Methocel MW rau kev siv tshuaj.
- Cov Khoom Tseem Ceeb: Cov qib Methocel tuaj yeem pom qhov sib txawv ntawm viscosity, qib kev hloov pauv (DS), thiab lwm yam khoom. Lawv paub txog lawv cov dej tuav, muaj peev xwm thickening, thiab cov khoom ua yeeb yaj kiab.
- Ntiaj teb no muaj nyob: Methocel yog lub npe nrov cellulose ether hom nrog lub ntiaj teb no muaj nyob, muaj nyob rau hauv ntau lub cheeb tsam.
2. Qhov chaw:
- Chaw tsim tshuaj paus: Culminal yog lub npe nrov rau cellulose ethers uas tsim los ntawm Ashland, lub tuam txhab tshuaj tshwj xeeb hauv ntau lub teb chaws. Ashland tshwj xeeb hauv ntau yam tshuaj daws teeb meem thiab cov khoom lag luam.
- Kev siv: Culminal cellulose ethers yog siv rau hauv kev tsim kho, tshuaj, khoom noj, thiab tshuaj pleev ib ce, zoo ib yam li Methocel. Lawv ua haujlwm ua cov thickeners, binders, stabilizers, thiab lwm yam.
- Cov Khoom Qhia Tshwj Xeeb: Culminal muaj ntau yam khoom siv cellulose ether tsim rau cov ntawv thov tshwj xeeb. Qib xws li Culminal C thiab Culminal M feem ntau yog siv rau hauv kev tsim kho thiab tshuaj, feem.
- Cov Khoom Tseem Ceeb: Cov qib Culminal nthuav tawm qhov sib txawv ntawm cov viscosity, particle loj, thiab DS, nyob ntawm daim ntawv thov. Lawv paub txog lawv cov dej khaws cia, muaj peev xwm thickening, thiab tswj rheological.
- Ntiaj Teb Kev Pom Zoo: Culminal yog lub npe nrov nrog lub ntiaj teb muaj nyob, muaj nyob hauv ntau thaj tsam.
Kev sib piv ntawm Methocel thiab Culminal:
Txhawm rau nkag siab qhov sib txawv ntawm Methocel thiab Culminal, peb yuav tshawb txog ntau yam ntawm cov khoom siv cellulose ether, suav nrog cov khoom, kev siv, kev tsim khoom, thiab ntau ntxiv:
1. Khoom:
Methocel:
- Cov qib Methocel tuaj yeem sib txawv hauv viscosity, qib kev hloov pauv (DS), qhov loj me, thiab lwm yam khoom. Cov kev hloov pauv no ua rau nws haum rau ntau hom kev siv.
- Methocel paub txog nws cov dej tuav, muaj peev xwm ua kom tuab, txhim kho adhesion, thiab cov khoom ua yeeb yaj kiab.
Culminal:
- Cov qib Culminal kuj pom qhov sib txawv ntawm cov khoom, suav nrog viscosity, DS, thiab particle loj, nyob ntawm seb cov qib tshwj xeeb thiab daim ntawv thov.
- Culminal cellulose ethers raug lees paub rau lawv cov dej tuav, muaj peev xwm ua kom tuab, thiab kev tswj xyuas rheological hauv ntau cov qauv.
2. Kev siv:
Ob leeg Methocel thiab Culminal yog siv hauv kev lag luam thiab kev siv hauv qab no:
- Kev tsim kho: Lawv nrhiav tau daim ntawv thov hauv cov khoom siv, xws li cov nplaum nplaum, mortars, grouts, thiab self-leveling compounds, los txhim kho cov khoom zoo li dej tuav, ua haujlwm, thiab adhesion.
- Pharmaceuticals: Hauv kev lag luam kws tshuaj, ob qho tib si tau ua haujlwm ua cov khoom sib khi, cov khoom sib cais, thiab cov tshuaj tiv thaiv tso tawm hauv cov ntsiav tshuaj thiab cov tshuaj xa cov txheej txheem.
- Khoom noj khoom haus: Lawv siv rau hauv kev lag luam zaub mov kom tuab, ruaj khov, thiab txhim kho kev ntxhib los mos ntawm cov khoom noj khoom haus, xws li cov kua ntses, hnav khaub ncaws, thiab cov khoom ci.
- Tshuaj pleev ib ce: Ob leeg Methocel thiab Culminal yog siv rau hauv cov tshuaj pleev ib ce thiab cov khoom tu tus kheej los muab viscosity, kev ntxhib los mos, thiab emulsion stabilization.
3. Cov txheej txheem ntau lawm:
Cov txheej txheem tsim khoom ntawm Methocel thiab Culminal koom nrog cov kauj ruam zoo sib xws, vim tias lawv yog ob qho tib si cellulose ethers. Cov theem tseem ceeb suav nrog:
- Kev kho Alkaline: Lub hauv paus ntawm cellulose yog raug rau kev kho alkaline kom tshem tawm cov impurities, o cellulose fibers, thiab ua rau lawv siv tau rau kev hloov kho tshuaj ntxiv.
- Etherification: Thaum lub sij hawm no, cellulose chains raug hloov kho los ntawm kev qhia hydroxypropyl thiab methyl pawg. Cov kev hloov kho no yog lub luag haujlwm rau dej solubility thiab lwm yam khoom.
- Ntxuav thiab Neutralization: Cov khoom yog ntxuav kom tshem tawm cov tshuaj tsis muaj tshuaj thiab impurities. Nws yog tom qab ntawd neutralized kom ua tiav qib pH xav tau.
- Purification: Cov txheej txheem purification, suav nrog kev pom thiab ntxuav, yog ua haujlwm los tshem tawm cov khoom seem thiab cov khoom siv.
- Kev ziab: Cov purified cellulose ether yog qhuav kom txo nws cov dej noo, ua rau nws tsim nyog rau kev ua thiab ntim ntxiv.
- Granulation thiab Ntim: Qee zaum, cov cellulose ether qhuav tuaj yeem raug granulation kom ua tiav qhov xav tau qhov loj me thiab cov yam ntxwv ntws. Cov khoom kawg yog tom qab ntawd ntim rau kev faib tawm.
4. Kev Muaj Peev Xwm Hauv Cheeb Tsam:
Ob qho tib si Methocel thiab Culminal muaj lub ntiaj teb muaj nyob, tab sis qhov muaj cov qib tshwj xeeb thiab cov qauv tsim yuav txawv raws cheeb tsam. Cov neeg xa khoom hauv zos thiab cov neeg xa khoom tuaj yeem muab cov khoom lag luam sib txawv raws li qhov xav tau hauv cheeb tsam.
5. Qib npe:
Ob leeg Methocel thiab Culminal muaj ntau lub npe qib, txhua tus tsim los rau cov ntawv tshwj xeeb lossis cov yam ntxwv. Cov qib no raug xaiv los ntawm cov lej thiab cov tsiaj ntawv uas qhia lawv cov khoom thiab pom zoo siv.
Hauv cov ntsiab lus,Methocelthiab Culminal yog cov khoom siv cellulose ether uas sib koom siv hauv kev tsim kho, tshuaj, khoom noj, thiab tshuaj pleev ib ce. Thawj qhov sib txawv ntawm lawv yog nyob rau hauv cov chaw tsim khoom, cov khoom tsim tshwj xeeb, thiab muaj nyob hauv cheeb tsam. Ob lub npe muaj ntau yam ntawm cov qhab nia tsim nyog rau kev siv sib txawv, txhua qhov sib txawv ntawm cov khoom. Thaum xaiv ntawm Methocel thiab Culminal rau ib daim ntawv thov tshwj xeeb, nws yog ib qho tseem ceeb rau kev sab laj nrog cov tuam txhab lag luam lossis cov neeg muag khoom los txiav txim siab cov khoom tsim nyog tshaj plaws thiab nkag mus rau cov ntaub ntawv khoom siv tshiab thiab kev txhawb nqa.
Post lub sij hawm: Nov-04-2023