Hydroxypropyl Starch Ether (HPS) yog cov hmoov txhuv nplej siab hloov kho uas siv dav hauv cov ntaub ntawv tsim kho thiab muaj ntau yam haujlwm thiab kev siv.
Cov khoom yooj yim ntawm hydroxypropyl starch ether
Hydroxypropyl hmoov txhuv nplej siab ether yog cov hmoov txhuv nplej siab ether uas tsis yog ionic tsim los ntawm cov tshuaj tiv thaiv ntawm hmoov txhuv nplej siab thiab propylene oxide. Ib pawg hydroxypropyl tau nkag mus rau hauv nws cov qauv tshuaj, ua rau nws yaj tau zoo dua thiab ruaj khov. Hydroxypropyl hmoov txhuv nplej siab ether feem ntau yog cov hmoov dawb lossis dawb thiab muaj cov dej zoo yaj tau, ua kom tuab, sib koom ua ke, emulsification thiab suspending zog.
Lub luag haujlwm tseem ceeb ntawm hydroxypropyl starch ether hauv kev tsim kho
Kev ua kom tuab thiab khaws dej
Hauv cov ntaub ntawv siv hauv kev tsim kho, hydroxypropyl starch ether feem ntau yog siv ua cov khoom ua kom tuab thiab khaws dej. Nws tuaj yeem ua rau cov viscosity ntawm mortar, putty thiab lwm yam khoom siv ntau ntxiv thiab txhim kho lawv cov kev ua haujlwm hauv kev tsim kho. Hydroxypropyl starch ether tuaj yeem ua rau kom cov dej khaws cia ntau ntxiv thiab tiv thaiv dej kom tsis txhob evaporate sai dhau, yog li ntawd ntev lub sijhawm tsim kho thiab txhim kho cov khoom siv ua haujlwm thiab plasticity.
Txhim kho kev ua tau zoo ntawm kev tsim kho
Hydroxypropyl hmoov txhuv nplej siab ether tuaj yeem txhim kho kev ua haujlwm ntawm kev tsim kho, suav nrog kev txhim kho cov khoom siv tiv thaiv kev plam thiab sagging, ua rau nws tsis tshua muaj sagging thaum tsim kho ntawm cov nto ntsug. Nws kuj tseem tuaj yeem txhim kho qhov kev tiv thaiv dej ntws thiab kev tiv thaiv delamination ntawm cov mortar, ua rau cov khoom sib xyaw ua ke zoo dua thiab kev tsim kho du.
Txhim kho lub zog ntawm kev sib txuas
Ua ib qho nplaum zoo heev, hydroxypropyl hmoov txhuv nplej siab ether tuaj yeem txhim kho lub zog sib txuas ntawm cov ntaub ntawv tsim kho thiab cov ntaub ntawv hauv paus. Qhov no tseem ceeb heev rau cov khoom uas xav tau kev nplaum siab, xws li cov nplaum pobzeb, putty, thiab cov ntaub ntawv kho phab ntsa. Nws tuaj yeem txhim kho qhov tsis kam tev tawm thiab lub zog shear ntawm cov khoom, yog li txhim kho kev ruaj khov ntawm tag nrho cov qauv.
Txhim kho qhov tawg tsis kam
Hydroxypropyl hmoov txhuv nplej siab ether tuaj yeem txhim kho qhov tsis kam ntawm cov ntaub ntawv hauv tsev. Nws tuaj yeem ua rau muaj kev ntxhov siab thiab txo qhov ntsws thiab tawg ntawm cov ntaub ntawv, yog li ua kom lub tsev ruaj khov. Qhov no tseem ceeb heev rau cov ntaub ntawv uas xav tau qhov tsis kam tawg siab, xws li cov tshuaj pleev dej thiab cov phab ntsa sab nraud.
Txhim kho cov khoom rheological
Hydroxypropyl hmoov txhuv nplej siab ether muaj cov khoom zoo rheological thiab tuaj yeem tswj tau qhov fluidity thiab kev ua haujlwm ntawm cov ntaub ntawv tsim kho thaum lub sijhawm tsim kho. Qhov no tseem ceeb heev rau cov khoom uas xav tau qhov fluidity zoo, xws li cov mortars tus kheej thiab cov ntaub ntawv tsuag. Nws tuaj yeem txhim kho qhov tiaj tus thiab qhov tiav ntawm cov khoom, ua rau cov nyhuv tsim kho zoo nkauj dua.
Kev tiv thaiv dej thiab kev tiv thaiv huab cua zoo dua
Hydroxypropyl hmoov txhuv nplej siab ether tuaj yeem txhim kho qhov tsis kam dej thiab tiv taus huab cua ntawm cov ntaub ntawv tsim kho, ua rau lawv tswj tau qhov ua tau zoo hauv qhov chaw noo noo thiab huab cua hnyav. Qhov no tseem ceeb heev rau cov ntaub ntawv uas xav tau kev tiv taus huab cua siab, xws li cov txheej txheem phab ntsa sab nraud thiab cov txheej txheem rwb thaiv tsev sab nraud. Nws tuaj yeem txhim kho cov khoom siv tiv taus dej thiab ntev nws lub neej kev pabcuam.
Cov piv txwv ntawm kev siv hydroxypropyl starch ether
Cov kua nplaum pobzeb
Hauv cov nplaum rau cov vuas pobzeb ceramic, hydroxypropyl starch ether tuaj yeem txhim kho lub zog sib txuas thiab kev khaws dej ntawm cov khoom, ua rau cov vuas pobzeb ceramic lo rau lub substrate kom ruaj khov dua. Tib lub sijhawm, nws kuj tseem tuaj yeem txhim kho kev ua haujlwm ntawm kev tsim kho thiab tiv thaiv cov vuas pobzeb kom tsis txhob swb thaum lub sijhawm tsim kho.
Hmoov putty
Hauv cov hmoov putty, hydroxypropyl starch ether tuaj yeem txhim kho qhov tuab thiab kev ua haujlwm ntawm cov khoom, ua rau kev tsim kho du. Nws kuj tseem tuaj yeem txhim kho qhov tsis kam ntawm putty thiab txo qhov tawg.
Cov tshuaj mortar uas siv tau rau tus kheej
Hauv cov tshuaj khib uas nws tus kheej ua kom tiaj tus, hydroxypropyl hmoov txhuv nplej siab ether tuaj yeem txhim kho qhov ua tau zoo thiab kev ua tau zoo ntawm cov khoom, ua rau kev tsim kho yooj yim dua thiab sai dua. Tib lub sijhawm, nws kuj tseem tuaj yeem txhim kho qhov tawg tsis kam thiab ruaj khov ntawm cov tshuaj khib.
cov av nplaum tsis muaj dej
Hauv cov mortars uas tsis muaj dej, hydroxypropyl starch ether tuaj yeem txhim kho qhov tsis kam dej thiab tiv taus huab cua ntawm cov khoom, ua rau nws ua tau zoo hauv cov chaw noo noo. Nws kuj tseem tuaj yeem txhim kho lub zog sib txuas thiab tiv taus tawg ntawm cov mortar thiab txhim kho qhov cuam tshuam ntawm kev tiv thaiv dej tag nrho.
Ua ib qho khoom siv ntxiv rau hauv tsev uas muaj ntau yam khoom siv, hydroxypropyl starch ether muaj ntau yam kev siv. Nws tuaj yeem txhim kho kev ua tau zoo ntawm cov khoom siv hauv tsev, suav nrog kev ua kom tuab thiab khaws dej, txhim kho lub zog sib txuas, txhim kho kev ua haujlwm ntawm kev tsim kho, txhim kho kev tiv thaiv kab nrib pleb, txhim kho kev tiv thaiv dej thiab tiv thaiv huab cua, thiab lwm yam. Los ntawm kev siv hydroxypropyl starch ether kom raug, qhov zoo thiab kev ua haujlwm ntev ntawm cov haujlwm tsim kho tuaj yeem txhim kho kom tau raws li qhov xav tau ntawm cov tsev niaj hnub rau cov khoom siv ua tau zoo.
Lub sijhawm tshaj tawm: Lub Xya Hli-20-2024