Akwatin wasan yara na kwali akwatin takarda tare da hannu

Tawada haske ne - mai juriya ga canza launi da canza launi

Tawada a cikin hasken rana, launinsa da haskensa zai bambanta da nau'in canji daban-daban, cikakkiyar juriya na haske kuma kada ku canza sautin tawada ba, a cikin hasken rana mai ƙarfi, duk launin tawada zai haifar da canje-canje daban-daban.Canji iri biyu ne.

Fade: a ƙarƙashin aikin hasken ultraviolet na hasken rana, juriya na hasken tawada ba shi da kyau, rasa asalin launi mai haske, launi ya zama launin toka.Musamman launin tawada mai haske da saitin saiti masu launi huɗu lokacin da launin rawaya da ja launuka biyu suka yi sauri, kuma cyan da tawada suna shuɗe a hankali.

Discoloration: sabanin buguwar tawada baƙar fata, canjin launi a ƙarƙashin aikin hasken rana yana da duhu, launi kuma ya canza, mutane suna kiran wannan canjin canjin.

Tasirin emulsification

Offsctdruckmasenten bugu farantin ba za a iya rabu da wetting da blank part na farantin, offsctdruckmasenten ne na farko da ruwa a kan tawada, ruwa zai babu makawa bayyana emulsifying sabon abu.Tawada emulsion launi za a attenuate, amma, bayan evaporation na ruwa iya mayar da asali launi, don haka mafi girma da ruwa, da girma da adadin emulsion, zai haifar da discoloration.Musamman ma, mataki na emulsification na gaba daya daban-daban tawada sautin tare, da sabon abu na discoloration ne musamman shahararren.

Takarda Properties takarda surface santsi

Santsi na takarda da kwafin bugawa yana da alaƙa ta kud da kud, ba takarda mai santsi ba sau da yawa yana buƙatar matsa lamba mafi girma, don yin tawada kuma yana da kyakkyawar lamba.Kamar bugu tawada danko, liquidity, kula da wani adadin tawada kauri, ƙara matsa lamba sau da yawa yakan sa molecularly buga shimfidawa wuri, a lokaci guda, takarda tsoma a wurin, amma har yanzu matalauta lamba, kamar: mai rufi takarda da newsprint a cikin. Wannan farantin bugu da aka buga yana da babban bambanci, a fili zai iya bambanta tasirin bugawa daban-daban.

Absorbability na takarda

Takarda, kuma girman da absorbent da kwafi sakamako yana da kai tsaye dangantaka, yawanci a cikin bugu ingancin wani abu ne sako-sako da zanen gado na takarda, idan tawada liquidity, low danko, da takarda zai sha more tawada Layer dangane, idan ulu stoma. diamita fiye da diamita na pigment barbashi, sa'an nan, ko da pigments an shaka, da jikewa na imprinting rage.Bukatar ƙara kaurin Layer ɗin tawada daidai.Duk da haka, don ƙara kauri daga cikin tawada Layer, a lokacin da embossing zai haifar da "yaɗa", rinjayar da tasiri kwafin.Ƙunƙarar ƙananan takarda, na iya sa yawancin fim ɗin tawada ya bayyana a saman takarda, don haka rubutun tawada da aka buga yana da kyau sosai.

Paper permeability takarda permeability ne babba, zai sa tawada kauri kauri, takarda surface pores ne manyan, amma kuma yin wani ɓangare na pigment barbashi da aka infiltrated cikin takarda a lokaci guda, don haka akwai ma'anar launi.Don wannan karshen, yin amfani da m surface, sako-sako da rubutu na takarda, da tawada ruwa da kuma babban takarda, don kula da launi.

Pigment baya jure zafi

Tawada a cikin tsarin bushewa, haske mai sauri - bushewa tawada bugu na roba shine yafi conjunctiva - bushewar iskar shaka.Diyya buguwar tawada bushewa kafin a sami tsayayyen lokaci, tawada oxidation polymerization ne exothermic dauki, bushewa da sauri zai ba da kashe mai yawa zafi, idan zafi da aka saki a hankali, ba zai yi zafi pigment launi.Misali: tawada mai launin zinare yana yin duhu kuma ya rasa ainihin haske.

A lokacin bugu, da bugu zanen gado tara sama a cikin stacks, saboda stacked da yawa, tsakiyar ɓangare na bugu tawada hadawan abu da iskar shaka polymerization exothermic dauki, zafi ba sauki aika fitar, ma high zafin jiki a tsakiyar ɓangare na mafi discoloration. .

Busashen mai yana da tasiri mai haske

Launi mai launi yana da sautin sanyi, rawaya mai haske, Emerald kore, tafkin blue da sauran tawada mai launi, kada ku yi amfani da man bushewa ja, saboda ja bushewar man da kanta tare da shunayya mai zurfi, zai shafi launin tawada mai haske.

Farin bushewar mai ya bayyana fari, amma conjunctiva yana da launin ruwan kasa bayan oxidation.Idan adadin man bushewar fari ya yi yawa, bugun zai zama rawaya-launin ruwan kasa idan ya bushe, yayin da launin tawada mai duhu kamar kore, baƙar fata da purple mai ja mai bushewar ba zai yi tasiri sosai ba.

Tawada ba alkali - juriya

Printing takarda PH darajar =7, tsaka tsaki takarda ne mafi manufa, general inorganic pigments samar da tawada tawada, alkaline ne matalauta, Organic pigments acid, alkaline ne mafi alhẽri, musamman matsakaici blue, duhu blue tawada zai shude tare da alkali.Alkali matsakaici rawaya a launi zuwa ja, electrochemical aluminum tsare stamping, India za ta zama tsohon rawaya zinariya a alkaline abubuwa, babu wani mai sheki, rauni alkaline takarda more, sau da yawa ci karo a bugu dauri post-samar ƙunshi alkaline adhesives, idan shiryawa ado bugu. samfur ne alkaline abu kamar sabulu, sabulu, wanke foda da sauransu, duk suna so su yi la'akari da alkali juriya, juriya ga saponification na tawada yi.

Tasirin yanayin ajiya

Yawancin samfuran bugu na ajiya na dogon lokaci, babu makawa za su nuna abin da ke faruwa na rawaya, dalilan da ke biyo baya da yawa.

Fiber na takarda ya ƙunshi lignin da canza launi.Jaridun da aka buga akan bugu na labarai sun fi zama rawaya da karye.

Offset buga kayan bugu ɗigo huɗu masu launi, galibi a cikin hasken rana, yanayi, iska da ruwan sama, zazzaɓin zafi a waje, da sauransu, saboda launin ba ya da haske, juriya da zafi, kuma launi ko fadewa.

Abubuwan da ke canza launi a cikin abubuwan da aka buga sun bambanta kuma babu wani samfurin da zai iya yin komai.Kamar dai wannan akwati na takarda, launi na iya canzawa da lokaci.Amma aƙalla yana da kyau idan muka yi amfani da shi.