Zaj duab xis-tsim cov khoom ntawm industries ntawm industrial-qib hydroxypropylulose (HPMC) yog qhov tseem ceeb rau nws cov ntawv thov thoob plaws hauv cov ntawv thov. HPMC yog cov dej-soluble cellulose ether uas tau siv dav hauv kev lag luam. Nws cov duab ua yeeb yam suav nrog cov khoom siv khomob, kho qhov muag, tshuaj lom neeg ruaj khov, sib xyaw nrog lwm cov khoom xyaw.
1. Zaj duab xis-ua qauv
HPMC yws hauv dej los ua ib qho kev daws teeb meem pob tshab colloidal. Tom qab cov dej evaporates, HPMC lwg me hauv kev daws teeb meem rov qab thiab txuas nrog txhua lwm yam los ua zaj duab xis txuas ntxiv nrog qee yam muaj zog thiab tawv. Lub xub ntiag ntawm hydroxypropyl (-ch2chohch3) thiab methyl (-ch3) pawg nyob rau hauv HPMC molecular nyob rau hauv zaj duab xis ob qho zoo heev zog thiab muaj qee yam ntawm kev yoog raws.
2. Cov Khoom Siv Neeg Kho Tshuab
Lub zog thiab ductility
HPMC cov yeeb yaj kiab nthuav tawm lub zog siab tensile zog thiab ductility thiab tuaj yeem tiv taus qee yam kev ntxhov siab yam tsis muaj tawg. Cov cuab yeej siv cov khoom siv no cuam tshuam nrog kev hnyav molecular, cov qib hloov chaw, thiab concentration ntawm HPMC tov. HPMC nrog siab dua molecular hnyav thiab qib ntawm hloov chaw feem ntau tsim cov yeeb yaj kiab uas muaj zog thiab nruj heev. Qhov no ua rau HPMC muaj nqis heev hauv cov ntawv thov uas yuav tsum muaj cov khoom siv kho tshuab, xws li cov ntaub ntawv hauv tsev, cov ntsiav tshuaj, tshuaj.
Kua nplaum
HPMC cov yeeb yaj kiab muaj cov nplaum hpmc muaj cov nplaum zoo thiab muaj peev xwm ua tau zoo rau ntau qhov chaw substrate, xws li ntawv, hlau, thiab yas. Cov cuab yeej no ua rau nws siv tau dav hauv cov txheej txheej thiab cov nplaum. Adhesion kuj cuam tshuam los ntawm kev daws teeb meem thiab kev ziab.
3. Kho kho cov khoom
HPMC cov yeeb yaj kiab feem ntau yog pob tshab lossis translucent thiab muaj cov khoom zoo tshaj plaws. Qhov pob tshab ntawm cov yeeb yaj kiab no nyob ntawm qhov kev sib txuam ntawm kev daws, cov xwm txheej kom qhuav, thiab tus naj npawb ntawm cov npuas me me uas yuav tshwm sim thaum zaj yeeb yaj kiab tsim txheej txheem. Siab tau txais kev pab HPMC muaj txiaj ntsig zoo heev uas xav tau kev tshuaj xyuas pom, xws li ntim zaub mov, thiab cov xim tiv thaiv.
4. Tshuaj Ntsuam Xyuas Kev Ruaj Ntseg
Dej tiv
HPMC cov yeeb yaj kiab muaj qee qib ntawm cov dej tsis kam. Txawm hais tias HPMC nws tus kheej yog dej-soluble, tus qauv tom qab zaj duab xis tsis yooj yim thaum raug dej. Cov cuab yeej no muaj txiaj ntsig zoo nyob rau hauv ntau daim ntawv thov, xws li lub tsev Putries, cov nplaum, thiab cov dej pleev dej. Txawm li cas los xij, dej tsis kam yog tsis meej, thiab lub sijhawm ntev hauv dej yuav ua rau o tuaj lossis tawg ntawm zaj duab xis.
Tshuaj Kuj
HPMC zaj duab xis tau zoo tsis kam mus rau ntau yam tshuaj lom neeg, tshwj xeeb tshaj yog nyob rau hauv-paus kev ib puag ncig. Qhov no ua rau nws haum rau qee qhov chaw corrosive, xws li cov duab ci thiab tiv thaiv cov yeeb yaj kiab tiv thaiv hauv kev lag luam tshuaj. Lub tshuaj lom neeg muaj kev ruaj ntseg ntawm HPMC zaj duab xis tseem cuam tshuam los ntawm nws cov degree ntawm crosslinking thiab ib puag ncig uas nws siv.
5. Zaj duab xis-ua qauv
Kev daws teeb meem
Cov tshuaj conctration ncaj qha cuam tshuam cov yeeb yaj kiab-ua zoo HPMC thiab cov khoom ntawm zaj duab xis. Feem ntau, ntau dua hpmc cov ntsiab lus daws teeb meem flyer thiab muaj zog ua yeeb yaj kiab. Txawm li cas los xij, siab dhau ib qho kev xav tau kuj tseem tuaj yeem ua rau muaj viscosity ntau dhau, ua rau nws nyuaj rau siv tusyees.
Kom qhuav
Lub ziab ceev thiab kub muaj qhov cuam tshuam tseem ceeb ntawm kev tsim thiab thaj chaw ntawm zaj duab xis. Siab dua kom qhuav thiab ua kom qhuav ziab nrawm feem ntau ua rau kev tsim cov npuas hauv zaj duab xis, cuam tshuam rau cov pob tshab thiab cov kws kho mob ntawm zaj duab xis. Cov txheej txheem ziab ua kom qhuav yuav pab ua cov yeeb yaj kiab tsis zoo, tab sis yuav ua rau muaj kev sib yeem, cuam tshuam qhov zoo ntawm zaj duab xis.
6. Kev sib xyaw nrog lwm cov khoom xyaw
HPMC zaj duab xis tau zoo sib xws nrog ntau cov khoom sib ntxiv thiab cov khoom siv ua haujlwm, cov kab ke tso cai rau HPMC kom tau siv dav hauv kev npaj cov khoom siv lossis cov khoom siv ua haujlwm. Piv txwv li, ntxiv cov tshuab yas tuaj yeem txhim kho qhov hloov pauv ntawm zaj duab xis, thaum hla kev cov neeg sawv cev tuaj yeem ua kom lub zog thiab dej tsis kam ntawm cov yeeb yaj kiab.
7. Daim ntawv thov Thaj Chaw
Tsev cov ntaub ntawv
Hauv cov ntaub ntawv hauv tsev, cov yeeb yaj kiab HPMC yog siv rau hauv cov tshuaj khib qhuav, putty, txheej thiab lwm yam khoom. Nws cov khoom ua yeeb yaj kiab ua yeeb yaj kiab tuaj yeem txhim kho cov nplaum, tawg kom tsis kam thiab cov dej tsis kam ntawm cov khoom.
Kws Tshuaj
Hauv lub chaw muag tshuaj, HPMC yog siv los ua cov khoom siv txheej rau cov ntsiav tshuaj. Nws cov khoom ua yeeb yaj kiab ua yeeb yaj kiab tuaj yeem tswj tau cov tshuaj tso tawm thiab txhim kho kev ruaj ntseg thiab cov yeeb tshuaj.
Kev Lag Luam Khoom Noj
HPMC cov yeeb yaj kiab tau siv raws li cov ntaub ntawv ntim tau ua hauv kev lag luam khoom noj nrog cov khoom lag luam zoo thiab kev nyab xeeb.
Txheej thiab cov nplaum
Cov nplaum thiab pob tshab ntawm HPMC cov yeeb yaj kiab ua rau lawv zoo tagnrho cov substrates thiab cov nplaum, thiab yog siv dav hauv kev lag luam thiab ntim kev lag luam thiab ntim khoom.
8. Ib puag ncig ua phooj ywg
HPMC yog cov khoom siv hloov kho tau los ntawm cov pob zeb ntuj ntawm ntuj. Nws cov txheej txheem ua yeeb yaj kiab tsis tas yuav tsum muaj kev phom sij thiab muaj cov kev ua kom zoo biodegradability thiab ib puag ncig ua phooj ywg. Qhov no ua rau nws muaj qhov tseem ceeb tshaj plaws hauv kev txhim kho cov khoom siv ntsuab thiab cov khoom siv kom muaj.
Zaj duab xis-tsim cov khoom ntawm industrial-qib HPMC ua nws ib cov khoom siv tsis tau nyob hauv ntau yam kev siv. Nws cov txiaj ntsig hauv kev siv zog, kho kom zoo nkauj, tshuaj lom neeg ruaj khov, thiab kev sib haum nrog lwm cov ntaub ntawv muaj peev xwm. Txawm hais tias nyob rau hauv lub tsev cov ntaub ntawv, chaw muag tshuaj, khoom noj ntim khoom, lossis ua cov nplaum thiab cov nplaum, HPMC tau pom kev ua tau zoo heev. Nrog kev nce qib ntawm kev tshawb fawb thiab thev naus laus zis, kev ua yeeb yaj kiab ntawm HPMC yuav txuas ntxiv mus nthuav dav, txhawb kev txhim kho cov kev siv tshiab.
Lub Sijhawm Post: Jun-29-2024