Walocel thiab Tylose yog ob lub npe nrov rau cov cellulose ethers uas tsim los ntawm ntau lub tuam txhab tsim khoom, Dow thiab SE Tylose, raws li. Ob qho tib si Walocel thiab Tylose cellulose ethers muaj ntau yam kev siv hauv ntau yam lag luam, suav nrog kev tsim kho, khoom noj, tshuaj, tshuaj pleev ib ce, thiab ntau ntxiv. Txawm hais tias lawv muaj kev zoo sib xws hauv kev ua cov cellulose derivatives, lawv muaj cov qauv sib txawv, cov khoom, thiab cov yam ntxwv. Hauv qhov kev sib piv no, peb yuav tshawb nrhiav qhov sib txawv thiab kev zoo sib xws ntawm Walocel thiab Tylose kom ntxaws, npog cov ntsiab lus xws li lawv cov khoom, kev siv, cov txheej txheem tsim khoom, thiab ntau ntxiv.
Kev Taw Qhia Txog Walocel thiab Tylose:
1. Walocel:
- Chaw Tsim Khoom: Walocel yog lub npe lag luam rau cellulose ethers tsim los ntawm Dow, lub tuam txhab tshuaj lom neeg thoob ntiaj teb uas paub txog nws cov khoom siv tshuaj lom neeg thiab cov kev daws teeb meem ntau yam.
- Daim Ntawv Thov: Walocel cellulose ethers siv rau hauv kev tsim kho, khoom noj, tshuaj, thiab tshuaj pleev ib ce, ua lub luag haujlwm ua cov khoom ua kom tuab, cov khoom ruaj khov, cov khoom khi, thiab ntau ntxiv.
– Cov Khoom Tshwj Xeeb: Walocel muaj ntau yam qib nrog cov khoom sib txawv, suav nrog Walocel CRT rau kev tsim kho thiab Walocel XM rau kev siv rau zaub mov.
– Cov Khoom Tseem Ceeb: Cov qib Walocel yuav txawv ntawm qhov viscosity, qib kev hloov pauv (DS), thiab qhov loj ntawm cov khoom me me, ua rau lawv haum rau ntau yam kev siv. Lawv paub txog lawv cov dej khaws cia, muaj peev xwm ua kom tuab, thiab cov yam ntxwv ua zaj duab xis.
- Kev Muaj Peev Xwm Thoob Ntiaj Teb: Walocel yog lub npe nrov uas muaj kev paub thoob ntiaj teb thiab muaj nyob rau ntau thaj chaw.
2. Tylose:
- Chaw Tsim Khoom: Tylose yog lub npe lag luam rau cellulose ethers uas tsim los ntawm SE Tylose, ib lub tuam txhab me ntawm Shin-Etsu Chemical Co., Ltd. Shin-Etsu yog ib lub tuam txhab tshuaj lom neeg thoob ntiaj teb nrog ntau yam khoom lag luam sib txawv.
– Daim Ntawv Thov: Tylose cellulose ethers muaj daim ntawv thov hauv kev tsim kho, khoom noj, tshuaj, tshuaj pleev ib ce, thiab ntau ntxiv. Lawv yog siv los ua cov khoom ua kom tuab, cov khoom ruaj khov, cov khoom khi, thiab cov yeeb yaj kiab.
– Cov Khoom Tshwj Xeeb: Tylose muaj ntau yam khoom cellulose ether uas tsim los rau cov kev siv tshwj xeeb. Cov qib xws li Tylose H thiab Tylose MH feem ntau siv rau hauv kev tsim kho thiab tshuaj.
– Cov Khoom Tseem Ceeb: Cov qib Tylose muaj qhov sib txawv ntawm viscosity, degree of substitution (DS), thiab qhov loj ntawm cov khoom me me, nyob ntawm qib thiab kev siv. Lawv paub txog lawv cov dej khaws cia, muaj peev xwm ua kom tuab, thiab tswj kev rheological.
– Kev Muaj Nyob Thoob Ntiaj Teb: Tylose yog ib lub npe nrov uas muaj npe nrov thoob ntiaj teb, muaj nyob rau ntau thaj chaw.
Kev sib piv ntawm Walocel thiab Tylose:
Yuav kom nkag siab txog qhov sib txawv ntawm Walocel thiab Tylose, peb yuav tshawb nrhiav ntau yam ntawm cov khoom cellulose ether no, suav nrog cov khoom, daim ntawv thov, cov txheej txheem tsim khoom, thiab ntau ntxiv:
1. Cov Khoom:
Walocel:
- Cov qib Walocel yuav txawv ntawm qhov viscosity, qib ntawm kev hloov pauv (DS), qhov loj ntawm cov khoom me me, thiab lwm yam khoom, uas tau tsim los ua kom tau raws li ntau yam kev xav tau ntawm daim ntawv thov.
– Walocel paub txog nws txoj kev khaws dej, muaj peev xwm ua kom tuab, thiab cov khoom ua zaj duab xis hauv ntau hom tshuaj.
Tylose:
- Cov qib Tylose kuj qhia txog qhov sib txawv ntawm cov khoom, suav nrog viscosity, DS, thiab qhov loj ntawm cov khoom me me, nyob ntawm qib thiab daim ntawv thov tshwj xeeb. Lawv tau tsim los muab kev tswj hwm rheological thiab khaws dej hauv cov qauv.
2. Cov ntawv thov:
Ob leeg Walocel thiab Tylose siv rau hauv cov lag luam thiab cov ntawv thov hauv qab no:
- Kev Tsim Kho: Lawv siv rau hauv cov ntaub ntawv tsim kho, xws li cov nplaum rau pobzeb, cov tshuaj khib nyiab, cov grout, thiab cov tshuaj sib xyaw ua ke, los txhim kho cov yam ntxwv xws li kev khaws dej, kev ua haujlwm tau zoo, thiab kev nplaum.
– Cov tshuaj: Hauv kev lag luam tshuaj, ob qho tib si ua haujlwm ua cov khoom khi, cov khoom tawg, thiab cov neeg sawv cev tswj kev tso tawm hauv cov ntsiav tshuaj thiab cov qauv xa tshuaj.
- Khoom noj: Lawv siv rau hauv kev lag luam khoom noj kom ua kom tuab, ruaj khov, thiab txhim kho cov qauv ntawm cov khoom noj, xws li cov kua ntses, cov kua ntses, thiab cov khoom ci.
– Tshuaj pleev ib ce: Ob qho tib si Walocel thiab Tylose siv rau hauv tshuaj pleev ib ce thiab cov khoom siv tu tus kheej kom muab viscosity, texture, thiab emulsion stabilization.
3. Cov Txheej Txheem Tsim Khoom:
Cov txheej txheem tsim khoom ntawm Walocel thiab Tylose muaj cov theem zoo sib xws, vim lawv ob leeg yog cellulose ethers. Cov kauj ruam tseem ceeb hauv lawv cov khoom tsim tawm suav nrog:
- Kev Kho Mob Alkaline: Cov cellulose uas tau los ntawm kev kho mob alkaline yuav raug tshem tawm cov khoom tsis huv, ua rau cov cellulose fibers o, thiab ua rau lawv nkag tau rau kev hloov kho tshuaj ntxiv.
- Etherification: Thaum lub sijhawm no, cov saw hlau cellulose raug hloov kho los ntawm kev qhia txog hydroxypropyl thiab methyl pawg. Cov kev hloov kho no yog lub luag haujlwm rau kev yaj dej thiab lwm yam khoom.
- Ntxuav thiab Ua Kom Tsis Muaj Teeb Meem: Cov khoom raug ntxuav kom tshem tawm cov tshuaj lom neeg thiab cov khoom tsis huv uas tsis tau ua haujlwm. Tom qab ntawd nws raug ua kom tsis muaj teeb meem kom ua tiav qib pH uas xav tau.
- Kev lim dej: Cov txheej txheem lim dej, suav nrog kev lim thiab ntxuav, yog siv los tshem tawm cov khoom tsis huv thiab cov khoom seem.
- Kev ziab: Cov cellulose ether uas tau lim lawm raug ziab kom txo nws cov dej noo, ua rau nws tsim nyog rau kev ua thiab ntim ntxiv.
- Kev Ua Granulation thiab Ntim Khoom: Qee zaum, cov cellulose ether qhuav yuav raug ua granulation kom ua tiav qhov loj me ntawm cov khoom me me thiab cov yam ntxwv ntws uas xav tau. Cov khoom kawg tom qab ntawd raug ntim rau kev faib tawm.
4. Muaj nyob rau thaj tsam twg:
Ob leeg Walocel thiab Tylose muaj nyob thoob ntiaj teb, tab sis qhov muaj cov qib thiab cov qauv tshwj xeeb yuav txawv ntawm thaj chaw. Cov neeg muag khoom hauv zos thiab cov neeg faib khoom tuaj yeem muab cov kev xaiv khoom sib txawv raws li qhov xav tau hauv cheeb tsam.
5. Cov Npe Qib:
Ob leeg Walocel thiab Tylose muaj ntau lub npe qib sib txawv, txhua qib tsim los rau cov kev siv lossis cov yam ntxwv tshwj xeeb. Cov qib no tau xaiv los ntawm cov lej thiab cov ntawv uas qhia txog lawv cov yam ntxwv thiab cov lus pom zoo siv.
Hauv kev xaus lus, Walocel thiab Tylose yog cov khoom cellulose ether uas sib koom ua ke hauv kev tsim kho, khoom noj, tshuaj, thiab tshuaj pleev ib ce. Qhov sib txawv tseem ceeb ntawm lawv yog nyob rau hauv lub chaw tsim khoom, cov qauv khoom tshwj xeeb, thiab kev muaj nyob hauv cheeb tsam. Ob lub npe muaj ntau qib uas tsim rau ntau daim ntawv thov, txhua tus muaj ntau yam khoom sib txawv. Thaum xaiv ntawm Walocel thiab Tylose rau ib daim ntawv thov tshwj xeeb, nws yog ib qho tseem ceeb uas yuav tsum sab laj nrog cov chaw tsim khoom lossis cov neeg muag khoom kom txiav txim siab qhov khoom tsim nyog tshaj plaws thiab nkag mus rau cov ntaub ntawv khoom tshiab thiab kev txhawb nqa kev txawj ntse.
Lub sijhawm tshaj tawm: Kaum Ib Hlis-04-2023