Mafi kyawun farashi mai amfani Vat Brown BR Don Rini mai haɗaɗɗun auduga na polyester

Babban fasali na Vat Brown BR sun haɗa da:
1.VAT rini ba su ƙunshi ƙungiyoyi masu narkewar ruwa ba, don haka ba su iya narkewa a cikin ruwa.Tsarin kwayoyin halitta na dyes yana da girma, zobe na aromatic yana da kyau coplanarity, kuma kusanci ga cellulose fibers yana da girma.
2.An fi amfani dashi don rini auduga, viscose da sauran zaruruwa.Hanyoyin rini galibi sun haɗa da rini na chromophyte ( rini na nutsewa ) da rini na dakatarwa ( rini na birgima) : rini da aka rini suna da saurin rigar rini, yawancin rini suna da saurin saurin hasken rana, kuma ana iya narkar da chromatic acid a cikin bayani na alkaline kuma ana tallata su da zaruruwa;Jikunan cryptochromic (soluble sodium salts of dyes) adsorbed a kan zaruruwa komawa zuwa asali insoluble carbon tushe (ligand ko ketone jikin) jihar karkashin aikin acid da oxidants, kuma an gyara su a cikin zaruruwa.
3.The cellulose fibers rina da VAT dyes suna tunawa a kan fiber surface a cikin nau'i na anions ta hanyar van der Waals karfi da hydrogen bond sojojin tsakanin zaruruwa, sa'an nan kuma yada zuwa ciki na zaruruwa.