Hauv cov khoom siv tu tawv nqaij, CMC (Carboxymethyl Cellulose) yog ib qho khoom xyaw uas siv dav heev. Nws yog ib qho polymer uas yaj tau hauv dej los ntawm cov cellulose ntuj thiab siv dav hauv ntau yam khoom siv tu tawv nqaij vim nws muaj peev xwm hloov pauv tau thiab sib haum xeeb zoo nrog tawv nqaij.
1. Cov khoom ua kom tuab thiab ruaj khov
Ib qho ntawm lub luag haujlwm tseem ceeb ntawm CMC hauv cov khoom siv tu tawv nqaij yog ua kom tuab thiab ruaj khov. Cov qauv thiab viscosity ntawm cov khoom siv tu tawv nqaij yog qhov tseem ceeb rau kev paub ntawm cov neeg siv khoom. CMC ua rau cov viscosity ntawm cov khoom nce ntxiv, ua rau cov khoom siv tu tawv nqaij ntau dua thiab du ntawm daim tawv nqaij. Tib lub sijhawm, nws kuj tseem tuaj yeem ua kom ruaj khov ntau lub cev xws li emulsions lossis gels kom tiv thaiv kev sib cais, kev sib sau ua ke lossis nag, yog li ua kom ntseeg tau tias cov khoom sib xws thiab ruaj khov. Tshwj xeeb tshaj yog hauv emulsions, creams thiab gels, CMC tuaj yeem muab cov khoom sib xws nruab nrab, ua rau nws du thaum siv thiab coj kev paub zoo dua rau tus neeg siv.
2. Tshuaj pleev kom noo noo
CMC muaj cov dej zoo khaws cia. Nws tuaj yeem tsim ib daim zaj duab xis ua pa rau ntawm daim tawv nqaij, kaw cov dej noo rau ntawm daim tawv nqaij, txo cov dej noo evaporation, thiab ua rau muaj cov nyhuv moisturizing. Cov yam ntxwv no ua rau nws yog ib qho khoom xyaw feem ntau hauv cov khoom siv moisturizing rau daim tawv nqaij. Tshwj xeeb tshaj yog nyob rau hauv qhov chaw qhuav, CMC tuaj yeem pab tswj cov dej noo ntawm daim tawv nqaij, tiv thaiv daim tawv nqaij qhuav thiab qhuav, thiab yog li txhim kho cov qauv thiab mos ntawm daim tawv nqaij.
3. Ua kom lub cev emulsified ruaj khov
Hauv cov khoom siv tu tawv nqaij uas muaj dej thiab roj sib xyaw, emulsification yog ib qho txheej txheem tseem ceeb. CMC tuaj yeem pab ua kom lub cev emulsified ruaj khov thiab tiv thaiv kev sib cais ntawm cov dej thiab cov roj. Los ntawm kev siv nws ua ke nrog lwm cov emulsifiers, CMC tuaj yeem tsim cov emulsion ruaj khov, ua rau cov khoom du thiab yooj yim dua rau kev nqus thaum siv.
4. Txhim kho qhov kev xav ntawm daim tawv nqaij
CMC kuj tseem tuaj yeem txhim kho qhov kev xav ntawm daim tawv nqaij ntawm cov khoom hauv cov khoom saib xyuas daim tawv nqaij. Vim nws cov qauv polymer ntuj, zaj duab xis uas tsim los ntawm CMC ntawm daim tawv nqaij tuaj yeem ua rau daim tawv nqaij du thiab mos yam tsis muaj roj lossis nplaum. Qhov no ua rau nws siv rau hauv ntau cov khoom saib xyuas daim tawv nqaij tshiab thiab cov khoom saib xyuas daim tawv nqaij rhiab heev.
5. Ua tus neeg sawv cev ncua
Hauv qee cov khoom siv tu tawv nqaij uas muaj cov khoom me me uas tsis yaj lossis cov khoom xyaw nquag, CMC tuaj yeem siv ua tus neeg sawv cev los faib cov khoom me me lossis cov khoom xyaw no rau hauv cov khoom kom sib npaug zos kom tiv thaiv lawv kom tsis txhob poob rau hauv qab. Daim ntawv thov no tseem ceeb heev rau qee cov tshuaj ntxuav ntsej muag, cov txhuam thiab cov khoom siv tu tawv nqaij uas muaj cov khoom me me.
6. Me me thiab tsis khaus
CMC yog ib yam khoom xyaw uas tsis ua rau khaus thiab tsis ua rau khaus, thiab haum rau txhua hom tawv nqaij, txawm tias yog tawv nqaij rhiab heev thiab cov khoom siv saib xyuas tawv nqaij menyuam yaus. Qhov no ua rau nws yog ib yam khoom xyaw uas nyiam siv rau ntau yam khoom siv saib xyuas tawv nqaij rhiab heev. Vim nws keeb kwm ntuj tsim thiab kev sib raug zoo ntawm lub cev, CMC tsis ua rau tawv nqaij ua xua lossis tsis xis nyob tom qab siv.
7. Tus neeg nqa khoom xyaw
CMC kuj tseem siv tau ua tus nqa khoom rau lwm cov khoom xyaw nquag. Los ntawm kev sib xyaw nrog cov khoom xyaw nquag, CMC tuaj yeem pab cov khoom xyaw no faib tau zoo dua ntawm daim tawv nqaij, thaum tseem txhim kho lawv qhov ruaj khov thiab kev tso tawm zoo. Piv txwv li, hauv cov khoom ua kom dawb lossis tiv thaiv kev laus, CMC tuaj yeem pab cov khoom xyaw nquag nkag mus rau hauv daim tawv nqaij zoo dua thiab txhim kho qhov ua tau zoo ntawm cov khoom.
8. Muab kev paub txog kev siv yooj yim
CMC muaj peev xwm ua rau cov khoom siv tu tawv nqaij du thiab mos, ua rau cov neeg siv khoom xis nyob thaum siv cov khoom. Nws tuaj yeem ua rau cov khoom yooj ywm dua, ua rau cov khoom siv tu tawv nqaij yooj yim faib rau ntawm daim tawv nqaij thiab tsis rub daim tawv nqaij.
9. Txhim kho lub txee lub neej ntawm cov khoom
Ua ib qho stabilizer thiab thickener, CMC kuj tseem tuaj yeem ua kom lub txee ntev ntawm cov khoom tu tawv nqaij. Nws pab cov khoom khaws cia lawv cov qauv qub thiab kev ua haujlwm zoo thaum lub sijhawm khaws cia los ntawm kev tiv thaiv teeb meem xws li stratification thiab nag lossis daus.
CMC ua ntau yam haujlwm hauv cov khoom siv tu tawv nqaij. Nws tsis yog tsuas yog txhim kho cov khoom siv lub cev thiab kev siv ntawm cov khoom xwb, tab sis kuj muaj kev sib raug zoo ntawm lub cev thiab tsis ua rau khaus, thiab tsim nyog rau ntau hom khoom siv tu tawv nqaij. Vim li no, CMC tau dhau los ua cov khoom xyaw tseem ceeb hauv ntau cov mis tu tawv nqaij.
Lub sijhawm tshaj tawm: Lub Yim Hli-19-2024