Daim ntawv thov ntawm HEC hauv cov txheej txheem txheej txheem sab nraud

Hydroxyethyl cellulose (HEC), ib qho polymer uas tsis yog ionic, yaj hauv dej, muaj kev siv dav hauv kev tsim cov txheej txheem txheej phab ntsa sab nraud. Nws feem ntau txhim kho qhov ua haujlwm ntawm cov txheej txheem, khaws dej, cov khoom sib npaug, thiab zoo li zaj duab xis, ua rau nws yog ib qho khoom ntxiv tseem ceeb hauv cov txheej txheem txheej txheem phab ntsa sab nraud niaj hnub.

1.HEC muaj cov khoom zoo heev uas yaj tau hauv dej thiab ua kom tuab, tsim cov tshuaj ruaj khov hauv cov txheej txheem txheej phab ntsa sab nraud uas siv dej. Tom qab yaj tag, nws ua rau cov txheej viscosity ntau ntxiv, tiv thaiv kev sagging, dripping, lossis layering thaum lub sijhawm siv, yog li ua kom cov txheej sib npaug ntawm phab ntsa. Tib lub sijhawm, HEC cov nyhuv ua kom tuab tswj tau cov yam ntxwv thixotropic ntawm cov txheej, tswj tau qee qhov sib xws thaum sawv ntsug thiab cia nws ntws tau yooj yim thaum sib tov lossis txhuam, txhim kho kev yooj yim siv.

2.HEC ua kom pom tseeb tias nws khaws dej tau zoo heev rau cov txheej txheem sab nraud ntawm phab ntsa. Thaum lub sijhawm ziab, cov dej noo uas ua rau cov zaj duab xis ntsws, tawg, lossis ua rau cov txheej txheem tiv thaiv huab cua thiab zoo nkauj. HEC maj mam tso cov dej noo tawm, ua rau lub sijhawm qhib ntawm cov txheej txheem ntev dua thiab ua rau cov zaj duab xis sib npaug thiab tuab dua, txhim kho kev nplaum thiab kev ruaj khov tom qab ziab. Ntxiv mus, HEC tuaj yeem ua haujlwm ua ke nrog lwm cov khoom ntxiv xws li cov tshuaj dispersants thiab cov neeg sawv cev leveling kom ua kom zoo dua qhov kev ua haujlwm ntawm cov txheej txheem thiab qhov du ntawm qhov chaw.

3.Hauv cov txheej txheem phab ntsa sab nraud, HEC kuj tseem tuaj yeem txhim kho qhov ruaj khov ntawm lub kaw lus txheej. Cov txheej txheem phab ntsa sab nraud feem ntau yog cov khoom siv siab, cov khoom me me uas tawg ua tej daim me me, yooj yim rau kev sib xyaw lossis kev sib cais. Hauv cov txheej txheem dej, HEC tuaj yeem tsim cov qauv network, ncua thiab faib cov xim thiab cov khoom me me, tiv thaiv kev sib xyaw thiab ua kom ruaj khov rau lub sijhawm ntev. Qhov no tseem ceeb heev rau cov txheej txheem phab ntsa sab nraud siv rau hauv kev tsim kho loj lossis kev thauj mus los ntev.

4.Qhov ntau ntawm HEC ntxiv thiab nws qhov hnyav molecular kuj yog cov yam tseem ceeb hauv kev siv. Feem ntau, qhov hnyav molecular siab dua HEC muab cov teebmeem thickening thiab dej-retention, thaum qhov hnyav molecular qis dua HEC yog qhov tsim nyog dua rau cov txheej txheem txheej uas xav tau kev ntws siab thiab kev txau. Cov koob tshuaj ntawm HEC hauv cov txheej txheem phab ntsa sab nraud feem ntau yog ntawm 0.1% thiab 0.5%, kho kom zoo thiab kho raws li ntau hom khoom siv, cov txheej txheem thov, thiab cov huab cua. Kev ntxiv ntau dhau ntawm HEC yuav ua rau muaj viscosity siab dhau, cuam tshuam rau kev siv, thaum tsis txaus ntxiv yuav tiv thaiv nws los ntawm kev ua tiav nws cov dej tuav thiab kev ua haujlwm leveling.

5.HEC kuj muaj qhov zoo hauv kev tiv thaiv ib puag ncig ntawm phab ntsa sab nraud. Ua ib qho polymer derivative non-ionic natural polymer, HEC muaj tshuaj lom tsawg thiab biodegradable, ua tau raws li qhov yuav tsum tau ua ntawm cov txheej txheem niaj hnub rau VOC qis (volatile organic compounds) thiab kev ua haujlwm ib puag ncig. Ntxiv mus, kev siv HEC tsis tsim cov tshuaj lom neeg tseem ceeb nrog cov pigments, fillers, thiab additives, yog li qhia tau tias muaj kev sib raug zoo thiab kev ruaj khov.

6.Daim ntawv thov ntawmHECHauv cov txheej txheem txheej phab ntsa sab nraud feem ntau pom tseeb hauv kev ua kom tuab, khaws dej, txhim kho kev ua haujlwm ntawm daim ntawv thov, thiab txhim kho kev ruaj khov ntawm lub cev. Kev xaiv hom HEC thiab koob tshuaj kom zoo tuaj yeem ua kom zoo dua qhov ua haujlwm tau zoo, tiv taus huab cua, thiab pom ntawm cov txheej, muab kev txhawb nqa txhim khu kev qha rau kev tshawb fawb thiab kev siv cov txheej txheem phab ntsa sab nraud ua tau zoo. Nrog rau qhov xav tau ntxiv rau kev txuag hluav taws xob hauv tsev thiab kev tiv thaiv ib puag ncig, kev siv HEC hauv cov txheej txheem phab ntsa sab nraud yuav dav dua, thiab nws cov haujlwm thiab tus nqi yuav txuas ntxiv mus tsim kho thiab txhim kho.