Labarai

Lokacin da mutane da yawa suka sayi allunan masu launi, ba su san takamaiman bambance-bambance tsakanin allunan masu launi masu kyau da ƙarancin launi ba, saboda saman suna kama da juna, kuma ba za a sami matsala ba idan ba a yi amfani da su ba. tsawon lokaci.Akwai abubuwa da yawa da za a yi la'akari da lokacin zabar sutura, wanda ya haɗa da nau'in sutura, kauri mai laushi, launi mai launi da mai sheki.Bugu da ƙari, wani lokacin dole ne a yi la'akari da buƙatun buƙatun farko da murfin baya.Nau'in suturar da aka yi amfani da su a halin yanzu don farantin karfe mai launi sun hada da polyester shafi (PE), fluorocarbon shafi (PVDF), silicon modified shafi (SMP), high weather juriya shafi (HDP), acrylic shafi, Polyurethane shafi (PU), plastisol. shafi (PVC), da dai sauransu.

Polyester (PE, Polyester)

Rubutun PE suna da kyau adhesion zuwa kayan.Farantin karfe mai launi mai launi yana da sauƙin sarrafawa da siffar.Suna da arha kuma suna da kayayyaki da yawa.Akwai babban zaɓi na launuka da masu sheki.Rubutun polyester ba su dace da juriya na hasken ultraviolet da juriya na foda na fim ɗin shafa ba.Sabili da haka, amfani da suturar PE har yanzu yana buƙatar kasancewa ƙarƙashin wasu ƙuntatawa.Ana amfani da shi gabaɗaya a wuraren da gurɓacewar iska ba ta da tsanani ko don samfuran da ke buƙatar matakan gyare-gyare da yawa.

▲ Masana'antu masu aiki

Tsirrai na masana'antu na yau da kullun da ɗakunan ajiya da ɗakunan ajiya ba sa haifar da lalata ga faranti masu launi da kansu, kuma ba su da manyan buƙatu don juriya na lalata da rigakafin tsufa na faranti masu launi.Ana ba da ƙarin la'akari ga aiki da ƙimar farashi na ginin masana'anta.

Silicone Modified Polyester (SMP, Silicone Mobified Polyester)

Tun da polyester ya ƙunshi ƙungiyoyi masu aiki -OH/-COOH, yana da sauƙi don amsawa tare da sauran mahadi na polymer.Domin inganta hasken rana juriya da powdering Properties na PE, silicone guduro tare da kyakkyawan launi riƙe da zafi juriya da ake amfani da denaturation dauki., da denaturation rabo na PE na iya zama tsakanin 5% da 50%.SMP yana ba da mafi kyawun karko na faranti na ƙarfe, kuma rayuwar kariya ta lalata na iya zama tsawon shekaru 10-12.Tabbas, farashinsa ya fi na PE, amma saboda resin silicone Adhesion da tsarin aiki na kayan ba su da kyau, don haka faranti mai launi na SMP ba su dace da lokatai waɗanda ke buƙatar matakai masu yawa ba, kuma su ne. galibi ana amfani da shi don gina rufin rufi da bangon waje.

Babban polyester mai jure yanayi (HDP, Polyster mai ɗorewa)

Game da gazawar PE da SMP, British HYDRO (yanzu ya samu ta BASF), Swedish BECKER da sauransu sun ɓullo da HDP polyester coatings cewa zai iya cimma 60-80% weather juriya na PVDF coatings a farkon 2000, kuma sun fi talakawa silicon modified.Polyester shafi, yanayin juriya na waje ya kai shekaru 15.Gudun polyester mai jure yanayin yanayi yana amfani da monomers dauke da tsarin cyclohexane yayin haɗin gwiwa don cimma daidaito tsakanin sassauci, juriya na yanayi da farashin guduro.Ana amfani da polyols marasa ƙanshi da polybasic acid don rage ɗaukar hasken UV ta guduro., don cimma babban juriya na yanayin rufi.

Ana ƙara masu ɗaukar UV da amines masu hana (HALS) zuwa tsarin fenti don haɓaka juriyar yanayin fim ɗin fenti.Kasuwa a ƙasashen waje sun gane kayan kwalliyar polyester mai jure yanayin yanayi, kuma kayan kwalliyar suna da tsada sosai.

▲ Masana'antu masu aiki

Ƙarfe da ba na ƙarfe ba (tagulla, zinc, aluminum, gubar, da dai sauransu) a cikin masana'antun ƙarfe da wutar lantarki sune mafi kalubale ga rayuwar sabis na faranti masu launi.Shuka shuke-shuken ƙarfe, wutar lantarki, da sauransu kuma suna samar da kafofin watsa labarai masu lalata, waɗanda ke buƙatar juriya mai girma don faranti masu launi.

PVC plastisol (PVC Plastisol)

PVC guduro yana da kyau ruwa juriya da sinadaran juriya.Yawancin lokaci ana fentin shi da babban abun ciki mai ƙarfi.A shafi kauri ne tsakanin 100-300μm.Yana iya samar da m PVC shafi ko haske embossing magani ga embossed shafi.;Tun da fim ɗin murfin PVC shine resin thermoplastic kuma yana da babban kauri na fim, zai iya ba da kariya mai kyau ga farantin karfe.Duk da haka, PVC yana da raunin juriya na zafi.An fi amfani da shi a Turai a farkon zamanin, amma saboda ƙarancin ƙarancin muhallinsa, a halin yanzu ana amfani da shi ƙasa da ƙasa.

Farashin PVDF

Saboda ƙarfin haɗin gwiwa mai ƙarfi tsakanin haɗin sinadarai na PVDF, shafi yana da kyakkyawan juriya na lalata da riƙe launi.Daga cikin kayan kwalliyar farantin karfe da aka riga aka yi amfani da su a cikin masana'antar gine-gine, shi ne mafi girman samfuri kuma yana da babban nauyin kwayoyin.Yana da tsarin haɗin kai kai tsaye, don haka baya ga juriya na sinadarai, yana kuma da fitattun kayan aikin injiniya, juriya UV da juriya na zafi.A karkashin yanayi na al'ada, rayuwar kariyar lalata ta na iya kaiwa shekaru 20-25.A cikin 'yan shekarun nan, resins mai ɗauke da fluorine da aka haɗa tare da chlorotrifluoroethylene da vinyl ester monomers sun shahara a kasar Sin kuma ana amfani da su sosai wajen gina bangon waje da farantin ƙarfe.Saboda amfani da sauƙin hydrolyzable vinyl ester monomers da abun ciki na fluorine, sun kasance ƙasa da PVDF 30%.Kusan%, don haka akwai tazara tsakanin juriyar yanayin sa da PVDF.Abubuwan PVDF na rufin fluorocarbon da Baosteel ke samarwa bai wuce 70% ba (saura resin acrylic).

▲ Masana'antu masu aiki

Kayayyakin da ke cikin masana'antar sinadarai ba su da ƙarfi kuma suna da yuwuwar samar da abubuwa masu lalacewa sosai kamar acid ko alkalis.Lokacin da aka fallasa zuwa ruwa, raɓa na iya samuwa cikin sauƙi kuma su manne da saman farantin launi, lalata murfin farantin launi kuma zai yiwu ya kara lalata shi.zuwa Layer na zinc ko ma farantin karfe.

02Performance kwatanta tebur na daban-daban coatings

Akwai muhimman abubuwa biyu masu mahimmanci don zaɓin abubuwan farko.Ɗayan shine la'akari da mannewa na farko, topcoat da substrate, kuma ɗayan shine cewa ƙaddamarwa yana samar da mafi yawan juriya na lalata.Daga wannan hangen nesa, resin epoxy shine mafi kyawun zaɓi.Idan kayi la'akari da sassauci da juriya na UV, zaka iya zabar polyurethane primer.Don murfin baya, zaɓin da ya fi dacewa shine zaɓi tsarin Layer biyu idan an yi amfani da farantin karfe mai launi a matsayin faranti ɗaya, wato, Layer na baya na baya da kuma saman saman baya.Fatin tushe iri ɗaya ne da fenti na gaba, kuma saman rigar wani launi ne na launi mai haske (kamar farin) polyester.Idan ana amfani da farantin karfe mai launi a matsayin hadaddiyar giyar ko sandwich panel, ya isa a yi amfani da Layer na resin epoxy a baya tare da kyakkyawar mannewa da juriya na lalata.

03 Zaɓin mai sheki

❖Glossiness ba alama ce ta aiki ba.Kamar launi, wakilci ne kawai.A gaskiya ma, fenti (shafi) yana da sauƙin sauƙi don cimma babban mai sheki.Duk da haka, babban mai sheki yana haskakawa kuma yawan hasken hasken rana a lokacin rana zai iya haifar da gurɓataccen haske (mutane da yawa ba sa amfani da bangon labulen gilashi a yanzu saboda gurɓataccen haske).Bugu da ƙari, babban mai sheki yana da ƙananan juzu'i kuma yana da sauƙi don zamewa, wanda zai iya haifar da haɗari na aminci a lokacin gina rufin.;Alamar farko ta tsufa na faranti na ƙarfe masu launi lokacin da aka yi amfani da su a waje shine asarar sheki.Idan ana buƙatar gyaran gyare-gyare, yana da sauƙi don bambanta tsakanin tsofaffi da sababbin faranti na karfe, wanda ke haifar da mummunan bayyanar;idan fenti na baya yana da girma, halo zai iya faruwa a sauƙaƙe lokacin da akwai haske a cikin gida.Ma'aikata gajiya na gani.Sabili da haka, a ƙarƙashin yanayi na al'ada, faranti mai launi mai launi don ginawa suna amfani da matsakaici da ƙananan mai sheki (digiri 30-40).

04 Zaɓin kauri mai rufi

A microscopically, shafi ne mai porous tsarin.Ruwa da kafofin watsa labaru masu lalata (chlorine ions, da dai sauransu) a cikin iska za su mamaye ta cikin sassa masu rauni na rufin, haifar da lalata a ƙarƙashin fim ɗin, sa'an nan kuma suturar za ta yi tari kuma ta kwashe.Bugu da ƙari, ko da tare da kauri iri ɗaya, murfin na biyu ya fi girma fiye da na farko.Dangane da rahotannin kasashen waje da sakamakon gwajin lalata da suka dace, rufin gaba na 20 μm ko fiye na iya hana kutsewar kafofin watsa labarai yadda ya kamata.Tunda hanyoyin hana lalata na share fage da topcoat sun bambanta, ba kawai jimillar kaurin fim ɗin dole ne a kayyade ba, amma kuma dole ne a buƙaci firam ɗin daban (》 5μm) da topcoat (》15μm).Ta wannan hanyar kawai za a iya tabbatar da juriya na lalata sassa daban-daban na farantin karfe mai launi don daidaitawa.

Kayayyakin PVDF suna buƙatar sutura mai kauri.Domin yana buƙatar samar da garantin rayuwa mai tsayi.Abubuwan buƙatun don rufin baya sun dogara da aikace-aikacen, tare da sandunan sanwici waɗanda ke buƙatar kawai abin da aka ɗaure.Farantin karfen da aka kafa kuma yana buƙatar yadudduka biyu na sutura saboda yanayin lalata na cikin gida.Kaurin shine aƙalla 10μm.

Zaɓin launi mai sutura (ƙara ƙara mahimmanci!)

Zaɓin launi ya dogara ne akan dacewa da yanayin da ke kewaye da kuma abubuwan sha'awar mai shi.Duk da haka, daga ra'ayi na fasaha, zane-zane masu launin haske suna da babban zaɓi na pigments.Za'a iya zaɓar fenti na inorganic tare da ɗorewa mafi girma (kamar titanium dioxide, da sauransu), da kuma fenti Ƙarfin nunin zafi yana da ƙarfi (madaidaicin tunani sau biyu na fenti mai duhu).Yanayin zafin jiki na kanta yana da ƙananan ƙananan a lokacin rani, wanda ke da amfani don tsawaita rayuwar sutura.Bugu da ƙari, ko da idan murfin ya canza launi ko foda, bambanci tsakanin launi mai launi da launi na asali zai zama ƙananan, kuma tasirin bayyanar ba zai zama mahimmanci ba.Launuka masu duhu (musamman launuka masu haske) galibi launuka ne na halitta, waɗanda ke da sauƙin dushewa lokacin da hasken ultraviolet ya fallasa, kuma suna iya canza launi cikin ƙasa da watanni 3.Bisa ga bayanan gwajin da suka dace, lokacin da zafin jiki na waje ya kasance mafi girma a tsakar rana a lokacin rani, farin saman yana da digiri 10 fiye da launin shudi kuma digiri 19 ya fi baƙar fata.Launuka daban-daban suna da damar daban-daban don nuna hasken rana.

05 launi tunani tunani sakamako

Don faranti mai launi mai launi, yawanci ƙimar haɓakar thermal na rufi da farantin karfe sun bambanta, musamman madaidaicin faɗaɗa madaidaicin madaidaicin ƙarfe na ƙarfe da ƙirar halitta sun bambanta sosai.Lokacin da yanayin zafin jiki ya canza, haɗin haɗin gwiwa tsakanin ma'auni da shafi zai canza.Faɗawa ko damuwa yana faruwa, kuma idan ba a sauƙaƙa da kyau ba, fashewar shafi zai faru.Baosteel ya gudanar da gwajin fallasa shekaru 8 a Hainan na nau'in fenti iri ɗaya, mai samar da fenti iri ɗaya, da launuka daban-daban.Sakamakon ya kuma tabbatar da cewa fenti masu launin haske suna da ƙarancin canza launi.

06 bambancin launi mai sheki na asali kauri yanzu kauri

Bugu da kari, a nan muna so mu bayyana rashin fahimta guda biyu game da zabi a kasuwannin cikin gida na yanzu:

Na farko, a halin yanzu akwai adadi mai yawa na farar fata a China.Manufar yin amfani da farar farar fata shine don rage kauri daga cikin topcoat, saboda al'ada na al'ada mai jure lalata don ginin shine launin rawaya-koren (don haka strontium chromate pigment), kuma dole ne a sami isasshen kauri na topcoat don samun kyakkyawan ikon ɓoyewa.Wannan yana da matukar haɗari ga juriya na lalata.Na farko, firam ɗin yana da ƙarancin juriya na lalata, na biyu kuma, rigar saman tana da bakin ciki sosai, ƙasa da microns 10.Irin waɗannan faranti na ƙarfe masu launi suna da haske, amma za su lalata a wurare daban-daban (yanke, lanƙwasa, ƙarƙashin fim, da dai sauransu) a cikin ƙasa da shekaru biyu.

Na biyu shi ne farantin karfe mai launi da ake amfani da su wajen ayyukan gine-gine.Irin wannan aikin yana amfani da farantin karfe mai launi mai launi daga masana'antun daban-daban da nau'i daban-daban.Launuka suna da alama suna daidaitawa yayin gini, amma bayan shekaru da yawa na hasken rana, launuka na sutura da masana'anta suna canzawa.Akwai misalai da yawa na halaye daban-daban waɗanda ke haifar da bambance-bambancen launi mai tsanani.Ko da samfurori daga mai sayarwa iri ɗaya ne, ana ba da shawarar sosai don ba da oda don wannan aikin a lokaci ɗaya, saboda lambobi daban-daban na iya amfani da samfurori daga masu samar da sutura daban-daban, ƙara yiwuwar bambancin launi.

Zaɓin kayan da ya dace ba zai iya ƙara rayuwar sabis na ginin kawai ba, har ma ya rage farashi, ta haka da gaske kasancewa abokantaka na muhalli da tanadin albarkatu.

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Abubuwan da aka bayar na Taishan Industrial Development Group Co., Ltd.
Za mu ci gaba da bin ƙa'idodin sabis na inganci da farko da abokin ciniki na farko, samar wa abokan ciniki mafi kyawun samfuran, kuma za mu yi iya ƙoƙarinmu don adana farashi ga abokan ciniki.Dangane da yanayin da ake amfani da kayan aiki da kuma farashin ƙirar gine-gine, muna ba da shawarar yin amfani da kayan aiki mai mahimmanci na Taishan Inc.Ana iya amfani da samfuran PE na yau da kullun na aƙalla shekaru 10, kuma samfuran PVDF na iya ɗaukar shekaru 20 zuwa 25.Kyakykyawa da ɗorewa, yana sa masana'antar ku ta fi kyau.Kamfaninmu yana ba da sabis na samarwa, sarrafawa, da sabis na tallace-tallace guda ɗaya, hidima ga abokan ciniki a duk tsawon tsari daga binciken abokin ciniki zuwa aikace-aikacen gaba.