Direct Blue 71

Khoom Lub Npe: Direct Blue 71 100%
Molecular Structure: trisazo class

Molecular Formula: C ₄₀H ₂₃N ₇Na ₄O ₁₃S ₄
Molecular Luj: 1029.87
CAS Registry Number: 4399-55-7
Manufacturing Methods: 3-Aminonaphthalene-1,5-disulfonic acidNapthalen, and -1-amine thawj coupling, nws cov khoom rau diazo, thiab 8-Aminonaphthalene-2-sulfonic acid thib ob coupling, dua diazo, nyob rau hauv alkaline tej yam kev mob thiab 7-Amino-4-hydroxynaphthalene-2-sulfonic acid thib peb coupling.
Khoom thiab Daim Ntawv Thov: xiav tsaus.Xiav grey hmoov.Soluble nyob rau hauv dej rau xiav, solubility ntawm 10 g / L (60 ℃), 20 g / L (97 ℃), me ntsis soluble nyob rau hauv soluble fiber ntau, soluble nyob rau hauv ethanol, insoluble nyob rau hauv lwm cov organic solvents.Qhov muaj zog sulfuric acid rau xiav mus rau dub, liab tom qab diluted ntshav nag lossis daus.Dye nrog muaj zog hydrochloric acid tov rau xiav nag lossis daus;Ntxiv cov tshuaj sodium hydroxide tuab rau lub teeb liab liab, muaj nag lossis daus.Cellulose fiber ntau ntawm dyeing, dye devoured poj niam txiv neej yog qhov zoo, qhov kub ntawm 80-100 ℃, affinity yog qhov loj tshaj plaws.Tshem tawm kev sib deev yog qhov zoo heev.Nyob rau hauv dye da dej ntawm tooj liab ions nyob rau hauv me me hloov xim (4 ~ 5 theem), raws li hlau ion xim lub teeb yeej tsis hloov (theem 5).SDC kev faib tawm rau chav kawm B. Paj rwb nruab nrab dawb yog qeb 4, viscose nruab nrab dawb rau 4 ~ 5 qib, paj rwb thiab viscose alkaline dawb yog 5 qib.Siv dav hauv viscose fiber ntau dyeing, kuj siv hauv viscose / PVA blends, paj rwb, thiab ntaub pua plag ntawm dyeing thiab luam ntawv.Kuj tseem siv rau hauv tawv, ntawv, xab npum, cheese, protein thiab formaldehyde resin xim.
Cov khoom lag luam: Optisal Blue RL ; Sirius Supra Blue BRR ; Solophenyl Blue GL ; Tertrodirect Light Blue R ; Solar Blue G
Siv : rau cellulose fiber ntau cov ntaub xws li paj rwb thiab viscose fiber dyeing, kuj siv rau hauv silk polyamide fiber ntau thiab blended ntaub dyeing, tau kuj siv rau tawv, ntoo thiab yas coloring.Can kuj yuav siv tau nyob rau hauv lub chaw tsim khoom ntawm number case
Packing: 25KG Carton