Aniline dyes rau ntaub

Aniline dyes muab fabrics ib tug kaj noo xim. , Txawm li cas los, muaj ib tug disadvantage: lawv yog cov rhiab rau tshav ntuj thiab xim ceev fade. Niaj hnub no, ntawm chav kawm, cov dyes muaj ib tug ntau dua zoo dua nyob rau hauv thaum ntxov hnub ntawm lawv cov tsos: lawv yog cov paub ntau tshaj resistant kom tshav ntuj thiab dej.

Cov dyes yog organic tebchaw uas yog npaj los ntawm lub oxidation ntawm aniline thiab nws ntsev. Nyob rau hauv cov nqe lus ntawm Science News for KIDS lub npe yog tawm ntawm hnub tim, tab sis nyob rau hauv lub tsev tseem yuav tsum tau lug siv. Tam sim no lawv hu tej hluavtaws dyes.

Cov feem nrov manufacturers ntawm cov tshuaj - ntawm "Gamma" (Moscow) thiab lub Center Davydov. Tsis tas li ntawd, muaj ntau yam tshuaj nroj tsuag nyob rau hauv Russia, Ukraine tsim lawv nyob rau hauv daim ntawv ntawm cov hmoov. Tej aniline dyes rau fabrics yuav tsum tau pretreatment thiab steaming. Moscow xim tsev thiab xws li cov ntawm qhov chaw yog ntau npaum li cas yooj yim mus ua hauj lwm, tab sis kuj yuav tsum tau npaj.

Aniline npaj los ntawm tej yam ntuj tso indigo, madder, cochineal, purpura los yog tshuaj synthesis. Nws tebchaw muaj peev xwm ntawm imparting nto yuav tsum tau pleev xim rau cov xim txawv heev ci xim. Niaj hnub no, cov xim muaj hlau tsis tsim los ntawm kim ntuj cov ntaub ntawv thiab cov khoom cua. Nws yog ua los ntawm ib tug txo ntawm nitrobenzene.

Aniline dyes tau lug siv nyob rau hauv industrial qhuav txij thaum nruab nrab-xyoo pua puv 19. Dub yog heev resistant, tab sis tag nrho cov so ntawm lub spectrum ntawm cov xim zoo nkauj sai sai puas lawm thaum raug mus rau lub teeb.

Koj yuav tsum paub hais tias aniline yog ib tug muaj zog tshuaj lom, thiab yog li ntawd cov xim tsev ua rau lub hauv paus ntawd, tsis zoo. Thaum ua hauj lwm nrog unprepared concentrate, ib tug hmoov, yuav tsum tau ceev faj tsis txhob nqus tau cov tshuaj yeeb dej caw microparticles.

Aniline dyes yog ib qho yooj yim mus ua hauj lwm nrog, lawv yog tsis yog li ntawd ceev kom qhuav nyob rau hauv cov ntaub, raws li, piv txwv li, acrylic. Rov qab mus rau cov khoom qhuav li qub zog, nws yog txaus rau dilute nrog dej. Yog hais tias nyob rau hauv lub chav kawm ntawm painting ntaub yuav tsum dhau noo nrog nqaij daim tawv, nws tau yooj yim yuav ntxuav tawm mus rau tshem tawm cov tshaj.

Tej xim yog zoo siv rau paintings los yog hniav painting khoom. Yog hais tias yuav tsum tau nrag txog cev tsoos tsho, nws ua ntej nco ntsoov zog kom huv si dyes. Thaum ua hauj lwm nrog rau cov hmoov, yuav tsum xub kom huv si txawm lig los plhws xim vim hais tias nerastertye hais tej zaum yuav tshwm sim nyob rau hauv lub mural qhov twg lawv yuav tsis tau.

Nyob rau hauv dab tsi daim ntawv mus yuav aniline zas xim rau fabrics, txhua txiav txim siab rau nws tus kheej, nyob ntawm seb yuav ua li cas feem ntau nws yog tsim nyog los ua hauj lwm nrog nws. Nws yog yooj yim dua mus rau nrog dyes uas muag nyob rau hauv cov kua daim ntawv. Tab sis koj muaj peev xwm yuav nyob rau hauv daim ntawv ntawm cov hmoov, rau dilute raws li xav tau. Yuav xim koj ua tau nyob rau hardware khw muag khoom noj thiab khw nrog khoom kev nyuab.

Aniline dyes yuav siv tau rau nrag rau paj rwb, linen, ntaub plaub thiab hluavtaws fabrics.

Ua hauj lwm nrog xws dyes es mos txhuam. Aniline yuav kis tau sai heev, uas koj mus tsim paub daws teeb paintings tsis muaj tseeb ib thaj tsam. Tab sis, yog hais tias koj xav kom tsis txhob muaj cov kis txawv, ces siv tragacanth kua nplaum, uas yog ntxiv rau cov kua number case nyob rau hauv lub proportions ntawm ib mus rau peb. Nws yog tseem tau mus ua hauj lwm daim ntaub luam tshwj xeeb pes tsawg leeg raws li nyob rau hauv gelatin. Ib txhia qhuav, thiab lub qhuav cov ntaub so ntswg muaj peev xwm yuav xyuam xim them rau cov acrylic compositions uas yog raws nraim kis yuav tsis tau.

Nyob rau hauv lub lag luam, aniline dyes tej zaum yuav tov nrog txhua lwm yam mus rau tau ntau thawj ntxoov.

Muaj kuj dyes rau fabrics uas yuav siv tau los pleev xim tej yam nyob rau hauv ib tug siv lub tshuab ntxuav. Koj yuav tau siv lawv nyob rau hauv raws li cov lus qhia.