Dab tsi ua rau muaj kev sib txuam hauv cov xim?

Cov txheej txheem:

Dab tsi ua rau muaj kev sib txuam hauv cov xim?
Dab tsi ua rau muaj kev sib txuam hauv cov xim?

Video: Dab tsi ua rau muaj kev sib txuam hauv cov xim?

Video: Dab tsi ua rau muaj kev sib txuam hauv cov xim?
Video: dag kuv dab tsi By zoo xyooj 2024, Hlis ntuj nqeg
Anonim

Qee cov qauv uas muaj HEUR hloov pauv tuaj yeem ua rau kev sib txuas ntawm cov khoom siv latex, uas, dhau los, ua rau flocculation lossis "syneresis" ntawm cov dej latex. … Obviously, xws li kev sib cais yog tsis tsim nyog thaum pom nyob rau hauv aqueous latex formulations.

Dab tsi ua rau muaj kev sib koom ua ke?

Hauv kev ua noj, syneresis yog tam sim ntawd tso cov dej noo uas muaj nyob rau hauv cov protein molecules, feem ntau tshwm sim los ntawm kub dhau, uas dhau-hardens lub plhaub tiv thaiv. … Nws tsim kev quaj nyob rau hauv cov qe scrambled, nrog qhuav protein curd ua luam dej nyob rau hauv tso dej noo. Nws ua rau cov kua ntses emulsified, xws li hollandaise, kom "so ".

Yuav ua li cas thiaj tiv thaiv tau?

Ib txoj hauv kev los tiv thaiv kev sib koom ua ke yog txhawm rau nce osmotic siab ntawm cov gel xws li ua kom cov gel polymer concentrationTsis tas li, txo lub network siab. Qhov no txhais tau hais tias tswj kev sib txuas ntawm cov polymers hauv cov gel los ntawm kev tswj cov txheej txheem gel.

Dab tsi yog ntab hauv xim?

Floating piav qhia a mottled, splotchy tsos rau saum npoo ntawm a xim zaj duab xis. Nws yog qhov pom tseeb tshaj plaws hauv cov xim uas muaj ob lossis ntau dua pigments thiab yog qhov tshwm sim ntawm kev sib cais kab rov tav ntawm cov xim sib txawv.

Dab tsi yog rheology additive?

Lub Kaum Hli 15, 2001. Nrog rau qhov kev thov nce ntxiv rau qis-VOC lossis VOC-dawb cov txheej txheem dej tsis muaj dej, tau muaj kev hu rau cov chav kawm tshiab ntawm cov thickeners - hu ua cov tshuaj rheological niaj hnub. Cov tshuaj ntxiv no tso cai hloov kho tshwj xeeb ntawm viscosity ntawm txheej txheej txheej ntawm ntau tus nqi shear

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