fluorescent brightener
tshuaj yam ntxwv
Raws li lawv cov qauv tshuaj, lawv tuaj yeem muab faib ua tsib pawg:
1, stilbene hom: siv rau paj rwb fiber ntau thiab qee cov hluavtaws fibers, papermaking, xab npum thiab lwm yam lag luam, nrog xiav fluorescence;
2, coumarin hom: nrog coumarin qauv qauv, siv rau celluloid, PVC yas, muaj zog xiav fluorescence;
3, pyrazoline hom: siv rau wool, polyamide, acrylic fiber thiab lwm yam fibers, nrog ntsuab fluorescent xim;
4, benzoxy nitrogen hom: siv rau acrylic fibers thiab polyvinyl chloride, polystyrene thiab lwm yam yas, nrog liab fluorescence;
5, benzoimide hom yog siv rau polyester, acrylic, nylon thiab lwm yam fibers, nrog xiav fluorescence.
Khoom taw qhia thiab nta
Fluorescent brightener (fluorescent brightener) yog fluorescent dye, los yog xim dawb, uas kuj yog ib lo lus dav dav rau ib pawg ntawm cov tebchaw.Nws cov cuab yeej yog tias nws tuaj yeem ua rau lub teeb pom kev zoo los tsim cov fluorescence, kom cov khoom tsis huv muaj cov nyhuv zoo sib xws ntawm fluorite glitter, kom lub qhov muag liab qab tuaj yeem pom cov khoom dawb heev.
siv
Thawj qhov kev piav qhia ntawm fluorescence tau tshwm sim hauv xyoo 1852, thaum Stokes tau tshaj tawm txog dab tsi los hu ua Stokes 'Txoj Cai.Xyoo 1921 Lagorio pom tias pom lub zog fluorescence tawm los ntawm fluorescent dyes qis dua qhov pom lub teeb pom kev los ntawm lawv.Vim li no, nws tau txiav txim siab tias fluorescent dyes muaj peev xwm hloov lub teeb pom kev ultraviolet mus rau qhov pom fluorescence.Nws kuj tau pom tias qhov dawb ntawm cov fibers ntuj tuaj yeem txhim kho los ntawm kev kho lawv nrog cov tshuaj aqueous ntawm cov tshuaj fluorescent.Xyoo 1929, Krais tau siv Lagorio lub hauv paus ntsiab lus los ua pov thawj tias daj rayon tau muab tso rau hauv kev daws ntawm 6, 7-dihydroxycoumarin glycosyl.Tom qab ziab, nws tau pom tias cov xim dawb ntawm cov rayon tau zoo tuaj.
Txoj kev loj hlob sai ntawm fluorescent brighteners tau coj qee cov neeg mus rau qeb duas nrog qhov tshwm sim ntawm cov dyes reactive thiab organic pigments DPP raws li peb qhov kev ua tiav loj hauv kev lag luam dyeing nyob rau hauv lub xyoo pua 20th.
Ntau lub lag luam tau pib siv fluorescent brighteners, xws li ntawv, yas, tawv, xab npum.Nyob rau tib lub sij hawm nyob rau hauv ntau high-tech teb kuj nyob rau hauv kev siv cov fluorescent whitening tus neeg saib xyuas, xws li: fluorescence nrhiav, dye laser, tiv thaiv luam ntawv, thiab lwm yam, thiab txawm high-altitude photography nrog siab rhiab heev zaj duab xis los txhim kho qhov rhiab heev. ntawm cov duab thaij duab latex, tseem yuav siv fluorescent whitening agent.
pob thiab thauj
B. Cov khoom no tuaj yeem siv tau, 25KG, 200KG, 1000KGBAERRLS.
C. Khaws ntim rau hauv qhov chaw txias, qhuav thiab qhov cua nyob hauv tsev.Cov thawv ntim khoom yuav tsum tau muab kaw kom nruj tom qab siv txhua zaus ua ntej siv.
D. Cov khoom no yuav tsum raug kaw kom zoo thaum lub sijhawm thauj mus los kom tsis txhob ya raws, muaj zog alkali thiab acid, nag thiab lwm yam impurities los ntawm kev sib xyaw.
