Hauv xab npum,HPMC (HydroxyPropyyl methylcellulose)yog ib qho tuab tuab thiab tawv tawv. Nws tsis tsuas yog muaj cov nyhuv zoo heev, tab sis kuj txhim kho kom muaj kua dej, tshem tawm thiab cov khoom lag luam me me ntawm cov tshuaj ntxuav tes. Yog li ntawd, nws tau siv dav hauv ntau lub xab npum, huv si, tshuaj ntxhua khaub ncaws, zawv plaub hau, da dej kua thiab lwm yam khoom. Cov concentration ntawm HPMC hauv cov tshuaj ntxuav tes yog qhov tseem ceeb rau cov khoom lag luam, uas yuav cuam tshuam ncaj qha rau kev ntxuav ua npuas dej, kev ua npuas ncauj, kev kawm.
Lub luag haujlwm ntawm HPMC nyob rau hauv detergents
Thickening cov nyhuv: HPMC, raws li lub thickener, tuaj yeem hloov cov tshuaj viscosity ntawm tusyees txuas mus rau saum npoo thaum siv, txhim kho cov nyhuv ntxuav. Nyob rau tib lub sijhawm, qhov tsim nyog muaj peev xwm pab tswj cov fellergy ntawm cov xab npum, ua rau nws tsis dhau los yog tsis yooj yim rau cov neeg siv khoom siv.
Txhim kho cov ruaj khov: HPMC tuaj yeem txhim kho kev ruaj khov ntawm cov tshuaj ntxuav tes thiab tiv thaiv kom tsis txhob muaj stratification lossis daus lossis daus ntawm cov khoom xyaw hauv cov mis. Tshwj xeeb tshaj yog nyob rau hauv qee cov xab npum thiab cov tshuaj ntxuav, HPMC tuaj yeem tiv thaiv qhov tsis yooj yim ntawm lub cev ntawm cov khoom lag luam.
Txhim kho cov khoom ua npuas ncauj: ua npuas ncauj yog qhov tseem ceeb ntawm ntau cov khoom ntxuav. Tus nqi HPMC tuaj yeem ua rau dummer ua cov tshuaj ntxuav ua khoom noj thiab kav ntev, yog li kev txhim kho cov nyhuv kev tu thiab cov neeg siv khoom.
Txhim kho cov khoom hluav taws xob Rheological: ANHPMCC muaj cov khoom siv hluav taws xob zoo thiab tuaj yeem hloov kho cov tshuaj pleev ib ce, ua kom cov khoom siv viscosity, ua rau cov khoom siv viscost, ua rau cov khoom siv ua kom zoo dua lossis ua kom tuab dhau.
Kev pom zoo ntawm HPMC
Cov concentration ntawm HPMC nyob rau hauv chaw kuaj mob yuav tsum tau hloov kho raws li cov khoom lag luam thiab cov hom phiaj ntawm kev siv. Feem ntau hais lus, lub concentration ntawm HPMC hauv xab npum feem ntau yog nruab nrab ntawm 0.2% thiab 5%. Qhov kev hais tshwj xeeb yog nyob ntawm cov hauv qab no:
Hom xab npum: sib txawv ntawm cov xab npum muaj cov sib txawv rau HPMC concentration. Piv txwv li:
Cov tshuaj ntxuav ua kua: ua kua xab npes feem ntau siv qis HPMC ntau, feem ntau 0.2% rau 1%. Siab heev ntawm HPMC tuaj yeem ua rau cov khoom lag luam kom muaj kuab heev, cuam tshuam rau kev yooj yim thiab kev siv taus.
Muaj cov tshuaj tiv thaiv: cov xab npum ntau ntawm HPMC, feem ntau yuav pab txhawb nqa nws cov txiaj ntsig ntau ntxiv thiab ua tiv thaiv nag lossis daus ntawm cov kub tsawg.
Ua npuas ncauj npum: rau cov xab npum uas yuav tsum tau ua kom ntau ua npuas dej, nce siab ntawm HPMC tsim nyog, feem ntau yog pab txhim kho kev ruaj ntseg ntawm lub npaus.
Thickening yuav tsum tau ua: yog tias lub xab npum yuav tsum tau muaj tshwj xeeb viscosity (xws li high-bel concring tu huv si Txawm hais tias siab dhau ib qho kev xav tau tuaj yeem nce cov viscosity, nws kuj tseem tuaj yeem ua rau kev faib khoom tsis sib xws ntawm cov khoom xyaw thiab cuam tshuam rau kev hloov kho tag nrho, yog li yuav tsum muaj kev hloov kho txhua yam.
PH thiab kub ntawm cov qauv: Cov nyhuv tuab ntawm HPMC muaj feem cuam tshuam nrog Ph thiab ntsuas kub. HPMC ua tau zoo dua nyob rau hauv nruab nrab tsis muaj zog alkaline ib puag ncig, thiab ib qho kev ua kua qaub dhau los yog ib puag ncig alkaline yuav cuam tshuam nws lub peev xwm tuab. Tsis tas li ntawd, ntau dua qhov kub yuav nce rau solubility ntawm HPMC, yog li nws cov kev xav tau yuav tsum tau hloov kho hauv cov qauv ntawm qhov kub.
Kev Sib Tham nrog lwm cov khoom xyaw: kev txhawj xeeb ® tuaj yeem cuam tshuam nrog lwm cov khoom xyaw ua ntu zus, ua rau muaj kev cuam tshuam nrog HPMC, thaum muaj qee yam kev txwv tsis pub muaj cov nyhuv ntawm HPMC Cov. Yog li ntawd, thaum tsim cov mis, kev sib cuam tshuam no yuav tsum tau txiav txim siab thiab kev xav ntawm HPMC yuav tsum tau hloov kho kom haum rau.
Cov nyhuv ntawm kev pom ntawm kev ntxuav cov nyhuv
Thaum xaiv cov concmration ntawm HPMC, ntxiv rau kev txiav txim siab rau cov nyhuv thickening, kev ntxuav ntxhua khaub ncaws ntawm cov xab npum yuav tsum tau coj mus rau hauv tus account. Piv txwv li, siab heev thiab HPMC tuaj yeem cuam tshuam rau xab npum tshuaj ntxuav tes thiab ua npuas ncauj, ua rau muaj kev txo qis hauv kev ntxhua khaub ncaws. Yog li ntawd, qhov kev pom zoo tshaj plaws yuav tsum tsis yog tsuas yog ua kom qhov tsim nyog sib xws thiab fellity, tab sis kuj tseem ua kom muaj kev tu zoo.
Cov Ntaub Ntawv Tiag
Daim ntawv thov hauv tshuaj zawv plaub hau: Rau cov tshuaj zawv plaub hau dog dig, cov concentration ntawm kev txhawj xeeb ®hpmc feem ntau ntawm 0.5% thiab 2%. Siab heev yuav ua rau cov tsuaj zawv plaub hau dhau, cuam tshuam rau cov pouring thiab siv, thiab tuaj yeem cuam tshuam rau kev tsim thiab kev ruaj ntseg ntawm cov npaus. Rau cov khoom lag luam uas yuav tsum tau viscosity (xws li shammoo sib sib zog nqus dej los yog cov tshuaj zawv zawv zawv hpmc tuaj yeem nce ntxiv mus txog 2% rau 3%.
Multi-pett cov tshuaj ntxuav: hauv qee lub tsev neeg muaj kev ntxuav hauv tsev neeg muaj ntau lub zog, muaj peev xwm tswj hwm ntawm 0.3% thiab 1%, uas tuaj yeem ua kom cov kua tsim nyog thiab ua npuas ncauj.
Raws li cov tuab dua, muaj lub siab ntawmHPMCHauv cov tshuaj tua kab mob yuav tsum tau coj mus rau hauv tus account xws li hom khoom, kev cai ua haujlwm, cov khoom xyaw thiab cov neeg siv khoom. Qhov kev pom zoo tshaj plaws yog feem ntau ntawm 0.2% thiab 5%, thiab cov ntsiab lus tshwj xeeb yuav tsum tau hloov kho raws li qhov kev xav tau tiag tiag. Los ntawm kev ua kom zoo ntawm HPMC, lub fiabity, foam cov nyhuv ntawm cov tshuaj ntxuav tes tuaj yeem txhim kho kev ntxuav kev ntxuav, ua kom cov kev xav tau ntawm cov neeg siv khoom sib txawv.
Lub Sijhawm Post: Jan-02-2025