Fluorescent whitening agent imhando yeorganic compound iyo inogona kuvandudza kuchena kwefiber machira uye bepa, inozivikanwawo seOptical whitening agent uye fluorescent whitening agent.Micheka, nezvimwewo zvinowanzo yero nekuda kwekuiswa kwemavara asina kuchena, uye kemikari bleaching yakashandiswa kuvabvisa mavara munguva yakapfuura.Iyo nzira yekuwedzera chena mumiriri kune chigadzirwa ikozvino yakagamuchirwa, uye basa rayo nderekushandura isingaonekwe ultraviolet mwaranzi inotorwa nechigadzirwa kuita yeblue-violet fluorescent mwaranzi, iyo inopindirana kune yekutanga yero mwenje mwenje uye inova chena mwenje, iyo inovandudza kukwanisa kwechigadzirwa kutsungirira chiedza chezuva.yekuchena.Magetsi akashandiswa zvakanyanya mumicheka, mapepa, hupfu hwekuwachisa, sipo, rabha, mapurasitiki, pigment nependi.
Brighteners ese ane cyclic conjugated masisitimu muchimiro chemakemikari, senge: stilbene derivatives, phenylpyrazoline derivatives, benzothiazole derivatives, benzimidazole derivatives, coumarin derivatives uye Naphthalimide derivatives, nezvimwewo, pakati peiyo yakakura derivatives ine goho.Shandisa nzira uye zvivakwa kugovera zvinopenya zvinogona kukamurwa mumhando ina:
Nhepfenyuro inoreva kune fluorescent whitening agents iyo inogona kugadzira cations mune aqueous solution.Inokodzera kuchena kwe acrylic fibers.B akateedzana optical brighteners akakodzera kupenya cellulose fiber.C yakatevedzana inoreva rudzi rwe fluorescent whitening agent yakaparadzirwa mudhayi yekugezera pamberi pe dispersant, yakakodzera kuchena polyester uye mamwe hydrophobic fibers.D nhepfenyuro inoreva fluorescent whitening agent yakakodzera protein fiber uye nylon.Zvinoenderana nechimiro chemakemikari, maajenti ekuchena anogona kukamurwa kuita zvikamu zvishanu: ① stilbene mhando, inoshandiswa mukotoni faibha uye mamwe mafivha ekugadzira, kugadzira mapepa, kugadzira sipo uye mamwe maindasitiri, ane blue fluorescence;② coumarin type, ine kunhuhwirira Chimiro chebhinzi ketone, chinoshandiswa mu polyvinyl chloride mapurasitiki, nezvimwewo, ine yakasimba yebhuruu fluorescence;③ pyrazoline mhando, inoshandiswa mvere dzemakwai, polyamide, acrylic fibers uye mamwe mafiber, ane green fluorescence;④ benzoxazine mhando, ine For acrylic fibers nemamwe mapurasitiki akadai polyvinyl chloride uye polystyrene, ine red fluorescence;⑤phthalimide mhando, yepolyester, acrylic, nylon uye mamwe mafiber, ane blue fluorescence.Izvo zviri pamusoro apa kupatsanurwa kwevachena vamiririri.Kana vatengi vakasarudza maajenti ekuchena, vanofanirwa kutanga vanzwisisa zvigadzirwa zvavo, kuti vagone kusarudza iyo chaiyo yekuchena mumiriri.Uye vatengi vanofanirawo kuziva kuti kana vachishandisa whitening agents, whitening agents anongopenya chete uye anowirirana mavara, uye haakwanise kutsiva kemikari bleaching.Naizvozvo, iyo yeruvara nyaya inobatwa zvakananga nemuchena mumiriri pasina bleaching, uye chena mhedzisiro haigone kuwanikwa.Uye iyo yekuchena mumiriri haisi kuchena, asi ine imwe saturation concentration.Kupfuura imwe yakatemerwa muganho kukosha, kwete chete hapana chena maitiro, asiwo yero.
Nguva yekutumira: Jan-24-2022