Kev siv Organic Pigments
Organic pigments yog siv nyob rau hauv cov teb ntawm plastics, inks, thiab coatings, nrog coatings accounting txog li 35%. Lawv cov kev loj hlob txhua xyoo yog kwv yees li 2.5%, thiab lawv qhov kev muag khoom loj hlob yog 3%. Organic pigments siv nyob rau hauv coatings muaj xws li monoazo daj, phthalein pigments, thiab lwm yam., uas yog siv nyob rau hauv peb loj teb: architectural txheej, automotive txheej, thiab coil txheej.
Nyob rau hauv cov nqe lus ntawm architectural coatings, raws li ib tug tseem ceeb tivthaiv ntawm latex xim, xaiv thiab siv cov organic pigments ncaj qha cuam tshuam cov xim tuav ntawm latex xim. Kev nkag siab txog kev ua tau zoo thiab kev siv cov xim tuaj yeem ua rau kev tsim cov xim latex zoo. Organic pigments tsis cuam tshuam los ntawm lub cev thiab tshuaj lom neeg thaum siv thiab feem ntau insoluble nyob rau hauv nruab nrab siv, tab sis yeej ib txwm muaj nyob rau hauv lawv cov thawj crystalline xeev. Cov xim ntawm cov organic pigments yog tiav los ntawm kev xaiv haum thiab tawg ntawm lub teeb.
Nyob rau hauv cov nqe lus ntawm automotive coatings, pigments siv nyob rau hauv automotive coatings yog ib tug zoo colorant vim xav tau kom tau raws li cov huab cua tsis kam, tshav kub tsis kam, acid los nag tsis kam, thiab UV hluav taws xob kuj ntawm hlau nto coatings. Yog li ntawd, daim ntawv thov ntawm cov organic pigments nyob rau hauv automotive txheej yuav tsum muaj lub teeb stability, tshuaj tiv thaiv, tsiv teb tsaws tsis kam, thiab thermal stability; Rau automotive topcoats, xws li xim hlau flash xim, organic pigments yuav tsum muaj siab transparency, uas ua rau lub zog npog ntawm inorganic pigments.
Nyob rau hauv cov nqe lus ntawm coil coatings, lawv muab faib ua lub tsho tiv no saum toj kawg nkaus, primer, thiab rov qab lub tsho tiv no raws li lawv cov dej num. Cov hom primers yog epoxy, polyester, thiab polyurethane; Lub ntsiab ntau yam ntawm sab saum toj thiab nraub qaum txheej muaj xws li PVC yas yaj nplaum, polyester, polyurethane, acrylic acid, fluorocarbon, thiab silicon hloov polyester, thiab lwm yam. Hauv cov txheej txheem tsim cov xim phaj, 20-25kg coil txheej yog siv rau ib tuj ntawm galvanized phaj, thiab topcoat siv cov xim nyiaj txog li 70% ntawm kev siv txheej. Cov xim muaj xws li dawb grey, navy xiav, thiab crimson, nrog dawb grey accounting txog li 50%, navy xiav accounting txog li 30%, crimson accounting txog li 10%, thiab lwm yam xim accounting txog li 10%. Cov organic pigments nyob rau hauv hiav txwv xiav thiab crimson account rau kwv yees li 3% -5% ntawm kev siv coil txheej.
