Hau, lightness, thiab saturation yog peb lub ntsiab ntawm cov xim, tab sis nws tsis txaus los xaivyas xims tsuas yog raws li peb lub ntsiab ntawm cov xim.Feem ntau raws li cov xim yas, nws lub zog tinting, zais lub zog, tiv thaiv tshav kub, tiv thaiv kev tsiv teb tsaws, huab cua tsis kam, hnyav hnyav thiab lwm yam khoom yuav tsum tau txiav txim siab, nrog rau kev sib cuam tshuam ntawm cov xim nrog polymers lossis additives.
(1) Muaj peev xwm xim muaj zog
Colorant tinting zog yog hais txog tus nqi ntawm cov xim uas yuav tsum tau ua kom tau ib yam khoom xim, qhia raws li feem pua ntawm lub zog tinting ntawm tus qauv qauv, thiab muaj feem xyuam rau cov khoom ntawm cov xim thiab nws cov dispersion.Thaum xaiv cov xim, nws feem ntau yuav tsum xaiv cov xim uas muaj zog tinting zog kom txo tau cov xim xim.
(2) Lub zog npog muaj zog.
Lub zog zais zog yog hais txog lub peev xwm ntawm cov xim los npog cov xim tom qab ntawm cov khoom thaum nws siv rau saum npoo ntawm cov khoom.Kev zais lub zog tuaj yeem qhia tau tus lej thiab sib npaug ntawm cov xim ntawm cov xim (g) yuav tsum tau nyob rau hauv ib cheeb tsam ntawm qhov chaw thaum cov xim tom qab yog tag nrho.Feem ntau, inorganic pigments muaj zog npog lub zog, thaum cov organic pigments yog pob tshab thiab tsis muaj lub hwj chim npog, tab sis lawv tuaj yeem muaj lub zog npog thaum siv ua ke nrog titanium dioxide.
(3) Ua haujlwm kub zoo.
Thaum tshav kub kub tsis kam ntawm pigments yog hais txog kev hloov ntawm cov xim los yog cov khoom ntawm pigments ntawm qhov kub thiab txias.Feem ntau, lub sijhawm tshav kub ntawm cov xim yuav tsum yog 4 ~ 10min.Feem ntau, cov pigments inorganic muaj cov cua sov zoo thiab tsis yooj yim rau decompose ntawm cov yas ua kub, thaum cov pigments organic muaj cov cua sov tsis zoo.
(4) Zoo tsiv teb tsaws tsis kam.
Pigment migration yog hais txog qhov tshwm sim uas cov khoom yas xim muaj feem ntau nyob rau hauv kev sib cuag nrog lwm cov khib nyiab, kua, gases thiab lwm yam khoom, thiab cov pigments tsiv los ntawm sab hauv cov yas mus rau qhov chaw dawb ntawm cov khoom los yog cov khoom nyob rau hauv kev sib cuag nrog nws.Kev tsiv teb tsaws ntawm cov xim hauv cov yas qhia tias tsis sib haum xeeb ntawm cov xim thiab cov resins.Feem ntau, pigments thiab organic pigments muaj fluidity siab, thaum inorganic pigments muaj fluidity tsawg.
(5) Lub teeb pom kev zoo thiab huab cua tsis kam.
Lightfastness thiab weatherability hais txog xim stability nyob rau hauv lub teeb thiab ntuj tej yam kev mob.Lub teeb nrawm yog cuam tshuam nrog cov qauv molecular ntawm cov xim.Cov xim sib txawv muaj cov qauv molecular sib txawv thiab lightfastness.
(6) Zoo acid tsis kam, alkali tsis kam, hnyav tsis kam thiab tshuaj tsis kam.
Cov khoom lag luam yas feem ntau yog siv los khaws cov tshuaj thiab thauj cov tshuaj xws li acids thiab alkalis, yog li cov kua qaub thiab alkali tsis kam ntawm cov xim yuav tsum raug txiav txim siab.
Post lub sij hawm: Oct-17-2022