Cov khoom
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Optical Brightener EBF-L
Tus neeg sawv cev fluorescent whitening EBF-L yuav tsum tau nplawm tag nrho ua ntej siv los xyuas kom meej cov xim dawb thiab xim sib xws ntawm cov ntaub ua tiav.Ua ntej whitening cov ntaub bleached los ntawm oxygen bleaching, cov residual alkali ntawm cov ntaub yuav tsum tau ntxuav tag nrho kom ntseeg tau tias tus neeg sawv cev whitening yog tag nrho cov xim thiab cov xim yog ci.
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Fluorescent Brightener DT
Feem ntau yog siv rau whitening polyester, polyester-paj rwb blended spinning, thiab whitening nylon, acetate fiber thiab paj rwb wool blended spinning.Nws kuj tseem siv tau rau desizing thiab oxidative bleaching.Nws muaj kev ntxuav zoo thiab lub teeb nrawm, tshwj xeeb tshaj yog zoo sublimation ceev ceev.Nws kuj tseem siv tau rau cov yas yas, txheej, ntawv ua, xab npum, thiab lwm yam.
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Optical Brightener CXT
Fluorescent brightener CXT tam sim no suav hais tias yog qhov zoo dua ci ci rau kev luam ntawv, dyeing thiab detergents.Vim qhov kev taw qhia ntawm morpholine noob rau hauv cov tshuaj ntxuav hniav dawb molecule, ntau ntawm nws cov khoom tau txhim kho.Piv txwv li, cov kua qaub kuj nce ntxiv, thiab perborate kuj tseem zoo heev.Nws yog tsim rau kev ntxuav ntawm cellulose fibers, polyamide fibers thiab fabrics.
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Optical Brightener 4BK
Cov cellulose fiber ntau whitened los ntawm cov khoom no yog ci hauv cov xim thiab tsis daj, uas txhim kho qhov tsis zoo ntawm yellowing ntawm zoo tib yam brighteners thiab zoo heev tsub kom lub teeb tsis kam thiab kub tsis kam ntawm cellulose fiber.
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Optical Brightener VBL
Nws tsis tsim nyog siv hauv tib da dej nrog cationic surfactants lossis dyes.Tus neeg sawv cev fluorescent whitening VBL ruaj khov rau cov hmoov tuav pov hwm.Fluorescent brightener VBL tsis tiv taus cov hlau ions xws li tooj liab thiab hlau.
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Optical Brightener ST-1
Cov khoom no yog siv nyob rau hauv chav tsev kub mus rau hauv 280 ℃, degrade 80 lub sij hawm ntawm cov dej mos, acid thiab alkali kuj yog pH = 6 ~ 11, nws yuav siv tau nyob rau hauv tib da dej nrog anionic surfactants los yog dyes, non-ionic surfactants, thiab hydrogen peroxide.Nyob rau hauv cov ntaub ntawv ntawm tib qhov ntau npaum li cas, qhov dawb yog 3-5 npaug siab dua li ntawm VBL thiab DMS, thiab lub zog sib dhos yuav luag zoo ib yam li VBL thiab DMS.
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O-nitrophenol
o-nitrochlorobenzene yog hydrolyzed thiab acidified los ntawm sodium hydroxide tov.Ntxiv 1850-1950 l ntawm 76-80 g / L sodium hydroxide tov rau hauv lub lauj kaub hydrolysis, thiab tom qab ntawd ntxiv 250 kg ntawm fused o-nitrochlorobenzene.Thaum nws yog rhuab mus rau 140-150 ℃ thiab lub siab yog hais txog 0.45MPa, cia rau 2.5h, ces tsa nws mus rau 153-155 ℃ thiab lub siab yog hais txog 0.53mpa, thiab khaws cia rau 3h.
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Ortho Amino Phenol
1. Dye intermediates, siv nyob rau hauv kev tsim cov sulfur dyes, azo dyes, fur dyes thiab fluorescent whitening agent EB, thiab lwm yam. Nyob rau hauv kev lag luam tshuaj tua kab, nws yog siv raws li raw khoom ntawm insecticide phoxim.
2. Nws yog tsuas yog siv rau kev ua kua qaub mordant Blue R, sulfurized daj xim av, thiab lwm yam. nws kuj yuav siv tau raws li plaub dye.Hauv kev lag luam tshuaj pleev ib ce, nws yog siv los ua cov plaub hau dyes (raws li kev sib koom tes dyes).
3. Kev txiav txim siab ntawm cov nyiaj thiab tin thiab pov thawj ntawm kub.Nws yog qhov nruab nrab ntawm diazo dyes thiab sulfur dyes.
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Optical Brightener ST-3
Cov khoom no yog siv nyob rau hauv chav tsev kub mus rau hauv 280 ℃, degrade 80 lub sij hawm ntawm cov dej mos, acid thiab alkali kuj yog pH = 6 ~ 11, nws yuav siv tau nyob rau hauv tib da dej nrog anionic surfactants los yog dyes, non-ionic surfactants, thiab hydrogen peroxide.Nyob rau hauv cov ntaub ntawv ntawm tib qhov ntau npaum li cas, qhov dawb yog 3-5 npaug siab dua li ntawm VBL thiab DMS, thiab lub zog sib dhos yuav luag zoo ib yam li VBL thiab DMS.
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1,4-Phthaaldehyde 1
Ntxiv 6.0 g ntawm sodium sulfide, 2.7 g ntawm sulfur hmoov, 5 g ntawm sodium hydroxide thiab 60 ml dej rau hauv 250 ml peb necked hwj nrog reflux condenser thiab nplawm ntaus ntawv, thiab nce qhov kub ntawm 80.℃hauv qab stirring.Yellow sulfur hmoov dissolves, thiab cov tshuaj hloov liab.Tom qab refluxing rau 1 h, tsaus liab sodium polysulfide tov yog tau.
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Optical Brightener SWN
Optical brightener SWN yog Coumarin Derivatives.Nws yog soluble hauv ethanol, acidic cawv, cob thiab kua roj vanish.Hauv dej, solubility ntawm SWN tsuas yog 0.006 feem pua.Nws ua haujlwm los ntawm emitting lub teeb liab thiab tam sim no ntshav tincture.
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Optical Brightener KCB
Optical brightener KCB yog ib qho ntawm cov khoom lag luam zoo tshaj plaws ntawm ntau cov fluorescent whitening agents.Cov nyhuv whitening muaj zog, ci xiav thiab ci xim, nws muaj cov cua sov zoo, huab cua tsis kam thiab tshuaj lom neeg ruaj khov.Nws yog tsuas yog siv rau kev ntxuav hniav dawb ntawm cov khoom siv yas thiab hluavtaws fiber ntau, thiab nws kuj muaj qhov pom tseeb ci ntsa iab ntawm cov khoom yas uas tsis yog ferrous.Nws kuj yog siv dav hauv ethylene / vinyl acetate (EVA) copolymer, uas yog ib qho zoo heev ntau yam ntawm optical brighteners hauv khau kis las.
