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Vim li cas thiaj tuaj yeem siv hluavtaws hydrotalcite yuav siv los ua cov kua qaub acid?

Oct 12, 2024

Synthetic Hydrotalcite yog ib hom khoom siv nrog cov qauv hydroxide, uas tau siv dav hauv lub tshav pob thiab nws cov khoom siv lub cev. Acid awber yog ib qho tshuaj lom neeg siv rau nruab nrab acidic tshuaj lossis tswj cov acidic cov tshuaj, feem ntau pom nyob rau hauv ntau yam kev lag luam xws li cov roj av xws li cov roj hmab, cov chaw muag tshuaj, thiab txheej txheem. Raws li cov pa roj acid

 

Vim tias hluavtaws hydrotalcite yog ib hom khoom siv nrog ib qho qauv fydrotalcite uas muaj peev xwm ua tiav hydrotalcite nrog kev sib pauv zoo dua rau nws cov ntawv thov ua ib qho kev thov acid. Hauv cov acidic ib puag ncig tuaj yeem ntes thiab nruab nrab acidic tshuaj los ntawm interlayer anert kev sib pauv. Cov xeeb ceem no ua rau kom zoo nqus hydrogen chloride (HCl) tsim tawm thaum lub sijhawm tsim cov acidic corrosion thiab kev tsis pom zoo.

 

Hydrotalcite kuj tseem tuaj yeem hnov ​​cov tshuaj acidic los ntawm nws cov Ions kev sib zog sib zog, ua kom muaj zog acid-puag hauv cov kab ke. Qhov no ua rau cov dej cawv kom muaj kev tswj hwm ruaj khov acid respection ua haujlwm ntawm qhov kub siab, txuas ntxiv rau lub neej ntawm cov khoom.

 

Synthetic Hydrotalcite tau siv dav ua ib qho kua qaub ua rau hauv kev lag luam.
(1) PVC cov khoom lag luam: hauv kev tsim cov khoom siv zinc, tshwj xeeb tshaj yog nyob rau hauv cov txheej txheem xim calcium zinc Los ntawm nruab nrab cov kua qaub, hydrotalcite tuaj yeem ncua sij hawm qhov teeb meem ntawm pvc, ua kom zoo ntawm cov khoom siv hauv PVC. Xyuas kom cov ruaj khov ntawm cov khoom siv.


(2) Roj hmab thiab elastomers: hauv cov txheej txheem ntau lawm ntawm roj hmab, talc tuaj yeem nqus acidic los ntawm cov khoom siv roj hmab, kom muaj cov khoom siv roj hmab. Nyob rau tib lub sijhawm, lub siab-kub ruaj khov ntawm hydrotalcite kuj ua rau muaj kev puas tsuaj rau cov roj ntsha nqus cov roj hmab.


(3) Tsho thiab cov pigments: hydrotalcite, raws li ib qho kua qaub ua ke, tuaj yeem tswj cov kua qaub-sib npaug thiab tiv thaiv kom muaj kev sib cais thaum lub sijhawm ntim lossis siv. Tsis tas li ntawd, nws tseem muaj qhov ua tau zoo dispersibility, uas tuaj yeem txhim kho cov glossiness thiab ruaj khov ntawm txheej.


Nrog rau cov kev cai nruj zuj zus ib puag ncig, cov ntawv thov ntawm hluavtaws hydrotalcite raws li cov kua qaub yuav dhau los ua ntau ntau. Tshwj xeeb tshaj yog nyob rau hauv cov teb ntawm pvc, roj hmab, thiab lwm yam ntxiv cov txheej txheem, ib txwm muaj kev nqus cov qauv zoo, thiab ua raws li ib puag ncig ib puag ncig.

 

 

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