Hydroxypropyloostrose (HPMC) yog ib qho tshuaj siv dav hauv ntau txoj kev lag luam. Nws yog tsuas yog siv rau thickening thiab emulsifying lub hom phiaj hauv kev tsim kho ntawm kev tsim kho, khoom noj, tshuaj pleev ib ce thiab chaw tshuaj. Hauv tsab xov xwm no, peb tham txog qee cov lus qhia rau kev siv HPMC zoo nyob rau hauv kev tsim khoom.
1. Nkag siab txog cov yam ntxwv ntawm HPMC
Ua ntej siv HPMC hauv kev tsim khoom, nws yog qhov tseem ceeb kom nkag siab txog nws lub cev thiab tshuaj. HPMC yog heev soluble hauv dej thiab insoluble hauv cov kuab tshuaj organic. Thaum ntxiv rau dej, nws ua kom muaj kev daws teeb meem meej thiab muaj kuab. HPMC yog tsis muaj tshuaj lom, tsis-ionic, thiab tsis hnov mob nrog lwm yam tshuaj.
2. Txiav txim siab HPMC qib
HPMC muaj nyob rau hauv ntau qib, txhua tus nrog cov kuab tshuaj sib txawv, hnyav hnyav thiab qhov ntau thiab tsawg. Xaiv cov qib raug yog nyob ntawm hom khoom koj raug tsim khoom. Piv txwv li, yog tias koj tab tom ua cov kua nyoos, koj yuav tsum tau muaj cov khoom siv viscc, thiab rau qib tuab, qib siab tshaj plaws, qib siab dua. Kev sab laj nrog HPMC cov chaw tsim khoom yog pom zoo kom txiav txim siab cov qib tsim nyog rau koj cov khoom.
3. Nco ntsoov tias cov neeg muaj kev cia
HPMC yog Hygroscopic, uas txhais tau tias nws nqus noo los ntawm cov cua. Nws yog ib qho tseem ceeb kom khaws HPMC nyob rau hauv ib qho chaw qhuav thiab txias kom tiv thaiv kev ua txhaum lossis tawv. Yuav tsum muab khaws cia rau hauv cov thawv airtight kom tsis txhob muaj huab cua lossis ya raws.
4. Tsim kev sib xyaw HPMC nrog lwm cov khoom xyaw
HPMC yog tsuas yog siv los ua tuab dua los yog binder thaum lub sijhawm tsim khoom. Nws yog qhov tseem ceeb los sib xyaw HPMC zoo nrog rau lwm cov khoom xyaw kom ntseeg tau homogeneous sib xyaw. HPMC yuav tsum tau ntxiv rau dej thiab do kom huv ua ntej sib xyaw nrog lwm cov khoom xyaw.
5. Siv tus nqi ntawm HPMC tsim nyog
Qhov tseeb ntawm HPMC ntxiv rau cov khoom lag luam yog nyob ntawm qhov xav tau cov khoom siv lub cev uas xav tau, viscosity thiab lwm yam khoom xyaw. Tshaj los yog hauv qab ntawm HPMC tuaj yeem cuam tshuam qhov zoo thiab ruaj khov ntawm cov khoom kawg. Nws raug nquahu kom siv HPMC nyob rau hauv cov kev tshwj xeeb uas tau pom zoo los ntawm cov khw.
6. Maj mam ntxiv HPMC rau dej
Thaum ntxiv HPMC rau dej, nws yuav tsum tau ntxiv maj los tiv thaiv kev tsim cov koog tas. Tasuav tas li yog tsim nyog thaum ntxiv HPMC mus rau dej los xyuas kom muaj kev sib xyaw sib xyaw. Ntxiv HPMC sai sai yuav ua rau tsis muaj kev tshem tawm tsis sib xws, uas yuav cuam tshuam rau cov khoom kawg.
7. Tswj PHICK
Thaum siv HPMC, Ph ntawm cov khoom yog qhov tseem ceeb. HPMC muaj qhov tsawg yig phua, nruab nrab ntawm 5 thiab 8.5, tshaj qhov uas nws cov txiaj ntsig yuav raug txo lossis ploj. Tswj cov kab theem raug yog qhov tseem ceeb thaum ua haujlwm nrog HPMC.
8. Xaiv qhov ntsuas kub
Thaum siv HPMC, qhov ntsuas kub ntawm cov khoom thaum tsim khoom thiab khaws cia yog qhov tseem ceeb. Cov khoom ntawm HPMC, xws li viscosity, solubility, thiab gelation, vam khom rau kub. Qhov zoo tshaj plaws kub rau kev sib xyaw HPMC yog 20-45 degrees Celsius.
9. Tshawb xyuas qhov sib xyaw ntawm HPMC nrog lwm cov khoom xyaw
Tsis yog txhua cov khoom xyaw xyaw tau sib xws nrog HPMC. Kev sib xyaw ntawm HPMC nrog lwm cov khoom xyaw yuav tsum kuaj ua ntej ntxiv HPMC. Qee yam cov khoom xyaw yuav txo qhov kev ua tau zoo ntawm HPMC, thaum lwm tus tuaj yeem txhim kho nws.
10. Saib rau cov kev mob tshwm sim
Txawm hais tias HPMC tsis muaj tshuaj lom thiab muaj kev nyab xeeb siv, nws yuav ua rau tawv nqaij lossis qhov muag khaus. Cov kev ceev faj yuav tsum tau ua li cas, xws li hnav cov khoom tiv thaiv cov hnab looj tes xws li hnab looj tes thiab goggles, thiab zam kev ua pa HPMC hmoov av.
Txhawm rau suav, ntxiv HPMC hauv kev tsim khoom tsim tuaj yeem txhim kho qhov zoo thiab ruaj khov ntawm cov khoom. Txawm li cas los xij, txhawm rau siv HPMC zoo, nws yog qhov tseem ceeb kom tau txais kev ceev faj tsim nyog thiab ua raws cov lus qhia saum toj no.
Lub Sijhawm Post: Jul-28-2023