HPMC, los yog hydroxypropyl methylcellulose, yog ib qho dej-soluble polymer dav siv hauv tshuaj pleev ib ce, zaub mov, tshuaj thiab tshuaj ntxuav kev lag luam. Hauv cov kua tshuaj ntxuav tes, HPMC muaj ntau yam haujlwm.
1. Thickening
Ib qho tseem ceeb tshaj plaws ntawm kev siv HPMC yog ua cov thickener. Cov kua xab npum feem ntau yuav tsum muaj qhov tsim nyog viscosity kom ntseeg tau tias lawv yooj yim siv thiab tau txais txiaj ntsig zoo. Tsis tshua muaj viscosity yuav ua rau cov tshuaj ntxuav tes ua kua dhau thiab tswj tsis tau thaum siv; Thaum siab dhau lawm, viscosity tuaj yeem cuam tshuam rau dispersion thiab solubility ntawm cov khoom.
HPMC tuaj yeem tswj tau qhov nruab nrab viscosity rau cov kua detergents los ntawm kev tsim cov dej-soluble colloidal network qauv. Nws solubility nyob rau hauv dej thiab viscoelasticity nws cov ntaub ntawv pab kom nws pab detergent formulations ruaj khov fluidity ntawm txawv kub yam tsis muaj kev cuam tshuam nws rheological zog. Cov nyhuv thickening no tsis tsuas yog txhim kho qhov kev xav thiab kev siv ntawm cov tshuaj ntxuav tes, tab sis kuj ua rau kom muaj kev ruaj ntseg ntawm cov tshuaj ntxuav tes, tso cai rau lwm cov khoom xyaw hauv cov mis (xws li surfactants thiab fragrances) kom sib npaug ntawm cov kua.
2. Ncua tseg stabilizer
Nyob rau hauv cov kua detergents, ntau cov khoom xyaw (xws li tshuaj dawb, enzymes, abrasives los yog lwm yam active cov khoom xyaw) yuav nyob twj ywm vim qhov sib txawv ntom. Raws li kev tshem tawm cov stabilizer, HPMC tuaj yeem tiv thaiv cov sedimentation ntawm cov khoom tsis zoo los yog insolubles, yog li xyuas kom meej tias cov khoom xyaw ntawm cov tshuaj ntxuav tes nyob twj ywm sib npaug thaum khaws cia thiab siv. Qhov no yog qhov tseem ceeb tshwj xeeb tshaj yog rau cov tshuaj ntxuav tes uas muaj cov khoom siv tshuaj dawb, tshuaj dawb lossis enzymes, vim tias kev ua haujlwm lossis kev ua tau zoo ntawm cov khoom xyaw no tuaj yeem txo qis thaum lub sijhawm, thiab cov sedimentation yuav cuam tshuam ntxiv rau kev ntxuav ntawm cov khoom.
Kev daws ntawm HPMC muaj cov yam ntxwv ntawm pseudoplastic ntws, uas yog, nws nthuav tawm cov viscosity ntau dua ntawm cov nqi qis qis, thaum lub viscosity txo qis ntawm cov nqi shear siab (xws li nyem lub raj mis lossis ntxuav), uas tso cai rau cov tshuaj ntxuav tes kom nyob twj ywm hauv lub xeev zoo li qub. , tab sis yooj yim ntws thaum siv.
3. Zaj duab xis-tsim thiab tiv thaiv cov teebmeem
HPMC muaj cov cuab yeej ua yeeb yaj kiab zoo, uas ua rau nws tsim cov yeeb yaj kiab tiv thaiv ntawm cov khaub ncaws lossis cov khoom thaum lub sijhawm ntxuav. Cov yeeb yaj kiab no tuaj yeem ua si ntau lub luag haujlwm: ua ntej, nws tuaj yeem tiv thaiv cov khaub ncaws fibers los ntawm kev siv tshuab thaum lub sijhawm ntxuav; Thib ob, tom qab tsim cov yeeb yaj kiab, nws yuav pab tswj lub sijhawm sib cuag ntawm cov khoom xyaw nquag hauv cov tshuaj ntxuav tes thiab cov stains, yog li txhim kho kev tu kom zoo. Rau cov tshuaj ntxuav tes tshwj xeeb, xws li softeners lossis anti-wrinkle agents tshwj xeeb yog siv los tiv thaiv cov ntaub, cov yeeb yaj kiab tsim cov khoom ntawm HPMC tuaj yeem ua rau cov khoom siv no ua rau cov khaub ncaws softer thiab smoother tom qab ntxuav.
4. Tswj cov khoom ua npuas ncauj
Ua npuas ncauj tsim thiab tswj yog ib qho tseem ceeb hauv kev tsim cov tshuaj detergent. HPMC tuaj yeem ua lub luag haujlwm hauv kev tswj ua npuas dej hauv cov tshuaj ntxuav tes. Txawm hais tias HPMC nws tus kheej tsis tsim ua npuas ncauj, nws tuaj yeem cuam tshuam ncaj qha rau tiam thiab kev ruaj ntseg ntawm npuas los ntawm kev kho cov khoom rheological thiab solubility ntawm lub cev. Rau qee cov ntawv thov uas yuav tsum tau ua npuas ncauj tsawg (xws li cov tshuaj ntxuav tais diav tsis siv neeg), kev siv HPMC tuaj yeem pab tswj qhov siab ntawm cov npuas dej thiab ua kom lub tshuab ua haujlwm zoo. Rau cov qauv uas yuav tsum tau ua npuas ncauj nplua nuj, HPMC tuaj yeem pab txhim kho cov npuas dej thiab txuas ntxiv nws lub sijhawm muaj nyob.
5. Txhim kho cov khoom ruaj khov thiab txee lub neej
Cov kua xab npum tuaj yeem muaj ntau yam khoom siv tsis ruaj khov, xws li enzymes, oxidants lossis tshuaj dawb, uas ua rau muaj teeb meem rau kev ruaj ntseg ntawm cov qauv. Lub xub ntiag ntawm HPMC tuaj yeem txhim kho lub xeev dispersion ntawm cov khoom xyaw tsis ruaj khov thiab tiv thaiv lawv los ntawm kev hloov pauv ntawm lub cev thiab tshuaj lom neeg los ntawm kev kho cov viscosity, ncua kev kawm ntawv thiab rheological zog ntawm cov tshuaj. Tsis tas li ntawd, HPMC kuj tseem tuaj yeem ua rau qeeb qeeb ntawm qee cov khoom xyaw nquag hauv cov mis rau qee qhov, yog li ncua lub txee lub neej ntawm cov khoom. Qhov no yog qhov tseem ceeb tshwj xeeb tshaj yog rau cov tshuaj detergents uas muaj cov khoom siv tshuaj ntxuav tes uas muaj txiaj ntsig zoo, uas tuaj yeem ua kom ntseeg tau tias cov khoom muaj peev xwm ua kom huv huv thoob plaws hauv lub txee lub neej.
6. Kev tiv thaiv ib puag ncig thiab biodegradability
HPMC yog ib qho derivative muab los ntawm ntuj cellulose nrog biodegradability zoo thiab kev tiv thaiv ib puag ncig. Piv nrog rau lwm cov tshuaj synthesized thickeners los yog stabilizers, HPMC tuaj yeem degraded los ntawm cov kab mob hauv ib puag ncig aqueous, yog li txo qhov cuam tshuam rau ib puag ncig. Nrog rau kev txhim kho ntawm ib puag ncig kev paub thiab kev saib xyuas rau kev txhim kho kom ruaj khov, ntau thiab ntau lub tuam txhab tshuaj ntxuav tes tau pib xaiv cov khoom siv zoo ib puag ncig xws li HPMC kom txo cov hneev taw ntawm lawv cov khoom.
7. Kho qhov kev ntxhib los mos thiab siv kev paub ntawm cov tshuaj ntxuav tes
Cov nyhuv thickening ntawm HPMC tsis tsuas yog cuam tshuam rau viscosity ntawm cov khoom, tab sis kuj tseem txhim kho kev siv cov kua detergents. Los ntawm optimizing lub fluidity thiab hnov ntawm cov tshuaj ntxuav tes, HPMC ua rau cov khoom zoo dua thiab siv tau yooj yim. Tshwj xeeb tshaj yog nyob rau hauv high-end detergent formulations, kev siv ntawm HPMC yuav coj ib tug smoother thiab ntau lubricated zoo nkauj, yog li txhim kho cov neeg siv khoom txaus siab. Tsis tas li ntawd, cov dej solubility ntawm HPMC ua rau nws yooj yim rau yaug tom qab siv yam tsis muaj qhov seem seem ntawm cov khaub ncaws lossis cov chaw.
HPMC yog siv dav hauv cov kua tshuaj ntxuav tes, sib xyaw ua ke ntau yam haujlwm xws li cov thickeners, ncua kev kawm stabilizers, zaj duab xis qub, thiab ua npuas dej regulators. Nws tuaj yeem tsis tsuas yog txhim kho kev ruaj ntseg thiab kev ua haujlwm ntawm cov tshuaj ntxuav tes, tab sis kuj ua tau raws li cov kev xav tau ntawm cov neeg siv khoom niaj hnub rau cov khoom lag luam ruaj khov los ntawm kev tiv thaiv ib puag ncig thiab biodegradability. Nyob rau hauv lub neej yav tom ntej txoj kev loj hlob ntawm detergent formulations, HPMC yuav txuas ntxiv mus ua ib tug tseem ceeb functional additive los pab manufacturers optimize cov khoom ua tau zoo thiab teb rau kev lag luam xav tau.
Post lub sij hawm: Oct-12-2024