Lokacin da masana'anta da aka rina tare da rini mai tarwatsewa suna sanyaya a cikin ɗimin rini kuma an yi samfurin kuma an daidaita su tare da daidaitaccen samfurin launi, idan an wanke masana'anta da aka yi wa rini, sautin launi ya ɗan bambanta da na daidaitaccen samfurin, ana iya amfani da gyaran launi. Aikin gida da za a gyara. Lokacin da bambancin launi ya yi girma, dole ne a yi la'akari da bawo da sake tabo

Gyara launi
Don yadudduka tare da ƙananan ɓarna na chromatic, ana iya amfani da hanyoyi masu zuwa: Lokacin da aka rage yawan gajiya kuma yawancin rini ya kasance a cikin ragowar ruwa, ana iya daidaita shi ta hanyar tsawaita lokacin rini ko ƙara yawan zafin jiki. Lokacin da zurfin rini ya ɗan ƙara girma, wannan bambancin launi kuma za'a iya gyara shi ta ƙara surfactants da daidaitawa.

1.1 Hanyoyin gyaran launi
Kafin gyara inuwa, dole ne ku sami cikakkiyar fahimtar launi na masana'anta da aka fentin da yanayin maganin rini. Ana iya amfani da hanyoyi masu zuwa don gyara launi:
(1) Babu buƙatar cire abin da aka rini daga ɗimin rini, kawai sanyaya maganin rini zuwa 50 ~ 70 ℃, sannan a ƙara rini don gyaran launi wanda aka shirya yadda ya kamata;
Sa'an nan kuma zafi don rini.
(2) Ana sauke kayan rini daga injin rini, sannan a jefa shi cikin wata injin rini, sannan a yi aikin rini ta hanyar tafasa da kuma hanyar rini.

1.2 Kaddarorin rini na gyaran launi
Ana ba da shawarar cewa rini da ake amfani da su don gyaran launi suna da abubuwa masu zuwa: (1) Rini ba za su yi tasiri ba ta hanyar surfactants kuma su zama rini a hankali. Lokacin da aka gudanar da aikin gyaran launi, babban adadin anionic surfactant da ke cikin rini ya kasance a cikin giya mai launi, kuma ƙaramin adadin launi na gyaran launi zai haifar da jinkirin rini saboda kasancewar surfactant. Sabili da haka, dole ne a zaɓi rini don gyaran launi waɗanda ba su da sauƙi ta hanyar surfactants kuma suna da jinkirin rini.
(2) Rini masu tsayayye waɗanda ba su da sauƙin tasiri ta hanyar hydrolysis da raguwar bazuwar. Rini don gyaran launi, lokacin da aka yi amfani da su a cikin gyare-gyaren launi mai haske mai haske, rini yana sauƙi na ruwa ko rushewa ta hanyar raguwa. Don haka, dole ne a zaɓi rini waɗanda waɗannan abubuwan ba su shafa ba.
(3) Rini tare da kyawawan abubuwan daidaitawa. Dole ne ya sami ikon yin rini mai kyau don samun tasirin rini.
(4) Rini tare da kyakkyawan saurin haske. Yawan rini da ake amfani da su don gyaran launi yawanci ƙanƙanta ne. Don haka, saurin saɓonta da rigar sa yana da mahimmanci, amma ba da gaggawa ba kamar saurin haske. Gabaɗaya, rini da ake amfani da su don gyaran launi ana zaɓar su ne daga riniyoyin da aka yi amfani da su a tsarin rini na asali. Duk da haka, waɗannan rinannun wasu lokuta ba sa cika sharuddan da ke sama. A wannan yanayin, ana bada shawara don zaɓar abubuwan da suka dace don gyaran launi
rini:
CI (Dye Index): Watsa Rawaya 46; Watsa Jan 06; Watse Ja 146; Watsa Violet 25; Watsa Violet 23; Watsa Blue 56.

Kwasfa da sake tabo

Lokacin da launin launi na masana'anta ya bambanta da daidaitattun samfurin, kuma ba za a iya gyara shi ta hanyar gyaran launi ko rini ba, dole ne a cire shi kuma a sake yin rina. Poly-sanyi fiber yana da babban tsarin crystalline. Don haka ba shi yiwuwa a yi amfani da hanyoyin gabaɗaya don cire launi gaba ɗaya. Duk da haka, ana iya samun wani nau'i na peeling, kuma baya buƙatar cirewa gaba ɗaya lokacin sake yin rini da gyara launi.

2.1 Sashe na wakili mai tsiri
Wannan hanyar cirewa tana amfani da ƙarfin jan hankali na surfactants don tube launi. Ko da yake tasirin cirewa yana da ƙananan ƙananan, ba zai lalata rini ba ko lalata jin da aka rini. Abubuwan da aka saba cirewa sune: ƙarin: nonionic surfactant ten anionic surfactant 2 ~ 4L, zazzabi: 130 ℃, Q: 30 ~ 60min. Duba Tebu 1 don aikin cire rini.

2.2 Mayar da bawon
Wannan hanyar kwasfa ita ce ta dumama rini da aka yi rini a gefen zafin zafin don cire launi, sannan a yi amfani da abin ragewa don lalata rini da ta lalace, kuma a ware ruɓaɓɓen ƙwayoyin rini daga masana'anta gwargwadon yiwuwa. Tasirin bawon sa ya fi hanyar kwasfa na wani ɓangare. Duk da haka, har yanzu akwai matsaloli da yawa tare da wannan hanyar peeling. Kamar sake haɗawa da lalacewa da rugujewar ƙwayoyin rini; launi bayan barewa zai bambanta sosai da launi na asali. Hannun jin da nauyi mai nauyi na masana'anta mai launi zai canza; ramukan rini akan fiber zai ragu, da dai sauransu.
Don haka, ana amfani da hanyar rage ragewa ne kawai lokacin da ɓangaren ɓangaren da ya gabata ba zai iya gamsar da shi ba. Tsarin tsarin rage launi shine kamar haka:
Wakilin jagorar rini (mafi yawancin nau'in emulsion) 4g/L
Non (anionic) ionic surface mai aiki wakili 2g/L
Caustic soda (35%) 4ml/L
Inshora foda (ko Dekuling) 4g/L
Zazzabi 97 ~ 100 ℃
Lokaci 30min

2.3 Hanyar peeling Oxidation
Wannan hanyar cirewa tana amfani da oxidation don lalata rini don tsige shi, kuma yana da mafi kyawun tasirin tsigewa fiye da hanyar rage ragewa. Rubutun tsarin cire oxidation shine kamar haka:
Wakilin jagorar rini (mafi yawancin nau'in emulsion) 4g/L
Formic acid (formic acid) 2ml/L
Sodium chlorite (NaCLO2) 23g/L
Chlorine stabilizer 2g/L
Zazzabi 97 ~ 100 ℃
Lokaci 30min

2.4 tabo mai nauyi
Ana iya amfani da hanyoyin rini da aka saba amfani da su don sake rina masana'anta da aka cire, amma dole ne a gwada rini na masana'anta da farko, wato, aikin rini na ɗaki samfurin dole ne a yi. Domin aikin rininsa na iya zama mafi girma fiye da wancan kafin bawon.

Takaita

Lokacin da ake buƙatar peeling launi mafi inganci, masana'anta za a iya yin oxidized kuma a fara kwasfa, sa'an nan kuma rage peeling. Saboda raguwa da ƙwayar oxyidation zai haifar da kayan da aka fentin don crimp, wanda zai haifar da masana'anta don jin dadi da wuya, dole ne a yi la'akari da shi sosai a cikin ainihin tsarin samarwa, musamman ma peeling na dyes daban-daban da aka kwatanta a cikin Table 1. Ayyukan launi. A ƙarƙashin yanayin cewa daidaitawar launi na iya isa daidaitaccen samfurin launi, ana amfani da hanyar gyara mai laushi gabaɗaya. Ta wannan hanyar kawai ba za a iya lalata tsarin fiber ba, kuma ƙarfin tsagewar masana'anta ba zai ragu sosai ba.