Amakuru

Iyo abantu benshi baguze imbaho ​​zometseho amabara, ntibazi itandukaniro ryihariye riri hagati yimbaho ​​nziza zometseho amabara hamwe nimbaho ​​mbi zometseho amabara, kuko ubuso burasa, kandi ntakibazo kizabaho niba kidakoreshejwe a igihe.Hariho ibintu byinshi ugomba gusuzuma muguhitamo igifuniko, kirimo cyane cyane ubwoko bwa coating, uburebure bwa coating, ibara ryamabara hamwe nuburabyo.Mubyongeyeho, rimwe na rimwe ibisabwa kuri primer ninyuma yo gutwikira bigomba gusuzumwa.Ubwoko bwimyenda ikoreshwa mubyuma bisize amabara birimo ibyuma bya polyester (PE), fluorocarubone (PVDF), silikoni yahinduwe (SMP), impuzu zo guhangana nikirere (HDP), igishishwa cya acrylic, polyurethane (PU), plastisol gutwikira (PVC), n'ibindi

Polyester (PE, Polyester)

PE coatings ifata neza ibikoresho.Ibyapa bisize amabara byoroshye byoroshye gutunganya no gukora.Birahendutse kandi bifite ibicuruzwa byinshi.Hano hari amahitamo menshi y'amabara na glosses.Ibikoresho bya polyester ntabwo ari byiza kuburwanya ultraviolet no kurwanya ifu ya firime.Kubwibyo, gukoresha impuzu za PE biracyakenewe gukumirwa.Ubusanzwe ikoreshwa mubice aho ihumana ryikirere ridakomeye cyangwa kubicuruzwa bisaba inzira nyinshi.

Inganda zikoreshwa

Inganda zisanzwe zinganda hamwe nububiko nububiko bwibikoresho ntibitera kwangirika kumasahani yamabara ubwayo, kandi ntibifite ibisabwa cyane kugirango irwanye ruswa kandi irwanya gusaza ibyapa byamabara.Hitaweho cyane kubikorwa bifatika no gukoresha neza kubaka uruganda.

Silicone Yahinduwe Polyester (SMP, Silicone Mobified Polyester)

Kubera ko polyester irimo amatsinda akora -OH / -COOH, biroroshye kubyitwaramo nibindi bikoresho bya polymer.Kugirango tunonosore imirasire yizuba hamwe nifu ya PE, silicone resin hamwe no kugumana amabara meza hamwe no kurwanya ubushyuhe bikoreshwa muburyo bwo gutandukana., kandi igipimo cyo gutandukanya PE gishobora kuba hagati ya 5% na 50%.SMP itanga uburebure burambuye bwibyuma, kandi ubuzima bwayo bwo kurinda ruswa burashobora kumara imyaka 10-12.Birumvikana ko igiciro cyacyo kiri hejuru ya PE, ariko kubera resinike ya silicone Guhuza no gutunganya ibintu ntabwo ari byiza, bityo ibyapa bya SMP bisize ibara ryibyuma ntibikwiriye mubihe bisaba uburyo bwinshi bwo gukora, kandi biri ahanini bikoreshwa mu kubaka ibisenge n'inkuta zo hanze.

Polyester irwanya ikirere kinini (HDP, Polyster iramba)

Kubirebana n'amakosa ya PE na SMP, HYDRO yo mu Bwongereza (ubu yaguzwe na BASF), Suwede BECKER n'abandi bakoze imashini ya HDP polyester ishobora kugera ku kirere 60-80% birwanya ikirere cya PVDF mu ntangiriro za 2000, kandi bikaba byiza kuruta ibyahinduwe na silikoni isanzwe.Ipfunyika ya polyester, irwanya ikirere cyayo hanze igera kumyaka 15.Ikirere cyinshi cyane cyangiza polyester resin ikoresha monomers irimo imiterere ya cyclohexane mugihe cya synthesis kugirango igere kuburinganire hagati yimiterere, guhangana nikirere nigiciro cya resin.Polyol idafite aromatic na acide polybasic ikoreshwa mukugabanya kwinjiza urumuri rwa UV na resin., kugirango ugere ku kirere cyinshi cyo guhangana nikirere.

Imashini ya UV hamwe na amine yabujijwe (HALS) byongewe kumata yo gusiga irangi kugirango irusheho guhangana nikirere cya firime.Ipasitori irwanya ikirere cyane polyester coil yamenyekanye nisoko ryo hanze, kandi ayo mavuta arahenze cyane.

Inganda zikoreshwa

Ibyuma bidafite ferrous (umuringa, zinc, aluminium, gurş, nibindi) mubikorwa byinganda n’amashanyarazi ningorabahizi mubuzima bwa serivisi yamasahani yamabara.Amashanyarazi, amashanyarazi, nibindi nabyo bitanga itangazamakuru ryangirika, risaba kwihanganira kwangirika kwicyapa.

PVC plastisol (PVC Plastisol)

PVC resin ifite amazi meza yo kurwanya no kurwanya imiti.Ubusanzwe irangi hamwe nibintu bikomeye.Ubunini bwa coating buri hagati ya 100-300μm.Irashobora gutanga igipande cyiza cya PVC cyangwa kuvura ibishushanyo mbonera.;Kubera ko firime ya PVC ari firime ya termoplastique kandi ifite uburebure bwa firime ndende, irashobora kurinda neza icyapa.Ariko, PVC ifite intege nke zo kurwanya ubushyuhe.Byakoreshejwe cyane mu Burayi mu minsi ya mbere, ariko kubera ibidukikije bidahwitse, kuri ubu bikoreshwa bike kandi bike.

Fluorocarbon PVDF

Bitewe ningufu zikomeye zihuza imiti ya PVDF, igifuniko gifite imbaraga zo kurwanya ruswa no kugumana amabara.Mu byuma byanditseho ibyuma byifashishijwe mu nganda zubaka, nigicuruzwa cyateye imbere kandi gifite uburemere bunini bwa molekile.Ifite imiterere itaziguye, usibye rero kurwanya imiti, ifite kandi imashini zidasanzwe, kurwanya UV no kurwanya ubushyuhe.Mubihe bisanzwe, ubuzima bwayo bwo kurinda ruswa bushobora kugera kumyaka 20-25.Mu myaka yashize, resin irimo fluor ikoporora hamwe na chlorotrifluoroethylene na monomers vinyl ester monomers yamenyekanye cyane mubushinwa kandi ikoreshwa cyane mukubaka inkuta zinyuma hamwe nicyuma.Bitewe no gukoresha hydrolyzable vinyl ester monomers hamwe nibirimo fluor, biri munsi ya 30% ugereranije na PVDF.Hafi ya%, nuko hariho itandukaniro runaka hagati yimiterere yikirere na PVDF.Ibirimo bya PVDF biri muri fluorocarubone yakozwe na Baosteel ntabwo biri munsi ya 70% (ahasigaye ni acrylic resin).

Inganda zikoreshwa

Ibicuruzwa mu nganda zikora imiti birahindagurika kandi bikunda kubyara ibintu byangirika cyane nka acide cyangwa alkalis.Iyo ikime kibonye amazi, igitonyanga kirashobora gukora byoroshye kandi kigakomeza kwizirika hejuru yisahani yamabara, bikangiza igipfundikizo cyibara ryamabara kandi birashoboka ko cyanagikora.kugeza kuri zinc cyangwa se icyuma.

02Imbonerahamwe yo kugereranya imikorere yimyenda itandukanye

Hariho ibintu bibiri byingenzi muguhitamo primers.Imwe ni ukuzirikana kuri primer, topcoat na substrate, ikindi nuko primer itanga ibyinshi mubirwanya ruswa.Urebye, epoxy resin niyo guhitamo neza.Niba utekereza guhinduka no kurwanya UV, urashobora kandi guhitamo polyurethane primer.Kubitwikiriye inyuma, guhitamo kwukuri nuguhitamo ibyiciro bibiri niba icyuma gisize amabara icyuma gikoreshwa nk'isahani imwe, ni ukuvuga, igipande kimwe cya primer inyuma hamwe nigice kimwe cyinyuma.Irangi fatizo ni kimwe n'irangi ry'imbere, kandi ikote ryo hejuru ni urwego rw'ibara ryoroshye (nka cyera) polyester.Niba isahani isize amabara ikoreshwa nkibikoresho cyangwa sandwich, birahagije gushira igipande cya epoxy resin inyuma hamwe no gufatana neza no kurwanya ruswa.

03Guhitamo gloss

LUbwiza ntabwo ari igipimo cyerekana imikorere.Nka ibara, ni uguhagararirwa gusa.Mubyukuri, irangi (gutwikira) biroroshye kugera kumurabyo mwinshi.Nyamara, ubuso bunini cyane burabagirana kandi urumuri rwinshi rwizuba rwizuba kumanywa birashobora gutera umwanda (abantu benshi ntibakoresha urukuta rwumwenda wikirahure kubera umwanda).Byongeye kandi, hejuru-gloss hejuru ifite coefficient ntoya kandi byoroshye kunyerera, bishobora guteza umutekano muke mugihe cyo kubaka igisenge.;Ikimenyetso cya mbere cyo gusaza kw'ibyapa bisize amabara iyo bikoreshejwe hanze ni ugutakaza ububengerane.Niba gusana bikenewe, biroroshye gutandukanya ibyapa bishaje nibyuma bishya, bikavamo isura mbi;niba irangi ryinyuma ari ryinshi-gloss, halo bizagaragara byoroshye mugihe hari urumuri murugo.Umunaniro w'abakozi.Kubwibyo, mubihe bisanzwe, ibyuma bisize amabara yubatswe kugirango ukoreshe urumuri ruciriritse kandi ruto (dogere 30-40).

04Guhitamo ubunini

Microscopically, igifuniko ni imiterere.Ibitangazamakuru byamazi byangirika (ioni ya chlorine, nibindi) mukirere bizatera mubice bidafite imbaraga byo gutwikira, bitera kwangirika munsi ya firime, hanyuma igipfundikizo kizabyimba kandi gikure.Mubyongeyeho, nubwo hamwe nuburinganire bumwe, igifuniko cya kabiri ni cyinshi kuruta icyambere.Nkuko bigaragazwa na raporo z’amahanga hamwe n’ibisubizo by’ibizamini bya ruswa, igifuniko cy'imbere cya 20 mm cyangwa kirenga kirashobora gukumira neza kwinjira mu bitangazamakuru byangirika.Kubera ko uburyo bwo kurwanya ruswa bwa primer na topcoat butandukanye, ntabwo hagomba kugaragara gusa uburebure bwa firime gusa, ahubwo na primers igomba gusabwa ukwayo (μ 5μm) hamwe na kote (》 15μm).Gusa muri ubu buryo, birashobora kurwanya ruswa yibice bitandukanye byicyapa gisize ibara ryicyuma kugirango habeho kuringaniza.

Ibicuruzwa bya PVDF bisaba gutwikira cyane.Kuberako ikeneye gutanga garanti yigihe kirekire.Ibisabwa kugirango ushire inyuma biterwa na porogaramu, hamwe na sandwich ikenera primer gusa.Isahani yakozwe kandi isaba ibice bibiri byo gutwikira kubera ibidukikije byangirika.Umubyimba byibuze 10 mm.

Guhitamo ibara (guhitamo byongeweho!)

Guhitamo ibara bishingiye cyane cyane kubidukikije hamwe nibidukikije hamwe nibyo nyirabyo akunda.Nyamara, uhereye kubuhanga bwa tekiniki, irangi-ibara ryamabara rifite ihitamo rinini ryibara.Irangi ridakoreshwa kandi rirambye rirashobora gutoranywa (nka dioxyde de titanium, nibindi), kandi irangi ryubushobozi bwo kwerekana ubushyuhe burakomeye (coefficente de reaction ikubye kabiri irangi ryijimye).Ubushyuhe bwo gutwikira ubwabwo buri hasi cyane mu cyi, bufite akamaro ko kwagura ubuzima bwikibiriti.Mubyongeyeho, nubwo igifuniko gihindura ibara cyangwa ifu, itandukaniro riri hagati yumucyo wamabara yumucyo nibara ryumwimerere bizaba bito, kandi ingaruka kumiterere ntizigaragara.Amabara yijimye (cyane cyane amabara meza) ni amabara kama, yoroshye gucika mugihe ahuye nimirasire ya ultraviolet, kandi irashobora guhindura ibara mugihe cyamezi 3.Dukurikije imibare yipimishije ifatika, iyo ubushyuhe bwo hanze aribwo buri hejuru saa sita zizuba, ubuso bwera bukonja kuri dogere 10 kurenza ubururu na dogere 19 zikonje kurenza umukara.Amabara atandukanye afite ubushobozi butandukanye bwo kwerekana izuba.

05 ibara ryerekana ingaruka

Ku byapa bisize amabara, mubisanzwe igipimo cyo kwagura ubushyuhe bwikibiriti hamwe nicyapa cyicyuma kiratandukanye, cyane cyane coefficient zo kwaguka kumurongo wa substrate yicyuma hamwe nubutaka kama buratandukanye cyane.Iyo ubushyuhe bwibidukikije buhindutse, guhuza intera hagati ya substrate no gutwikira bizahinduka.Kwaguka cyangwa kugabanuka guhangayika bibaho, kandi niba bitaruhutse neza, gutwikira gutwikiriye bizabaho.Baosteel yakoze ikizamini cyimyaka 8 yerekanwe muri Hainan yubwoko bumwe, utanga amarangi amwe, namabara atandukanye.Ibisubizo byemeje kandi ko irangi ryamabara yoroheje rifite ibara rike.

06 gloss ibara itandukaniro uburebure bwumwimerere ubu ubugari

Mubyongeyeho, hano turashaka gusobanura ibintu bibiri bitumvikana kubyerekeye guhitamo isoko ryimbere mu gihugu:

Ubwa mbere, kuri ubu hari umubare munini wa primers yera mubushinwa.Intego yo gukoresha primer yera ni ukugabanya umubyimba wikoti yo hejuru, kubera ko primer isanzwe irwanya ruswa yo kubaka ari umuhondo-icyatsi (niyo mpamvu pigment ya chromate pigment), kandi hagomba kubaho umubyimba uhagije wo hejuru kugirango ugire imbaraga zihishe.Ibi ni bibi cyane kubirwanya ruswa.Ubwa mbere, primer ifite imbaraga zo kurwanya ruswa, naho icya kabiri, ikoti yo hejuru iroroshye cyane, munsi ya microni 10.Ibyapa bisize amabara bisa neza, ariko bizangirika ahantu hatandukanye (gukata, kunama, munsi ya firime, nibindi) mugihe kitarenze imyaka ibiri.

Iya kabiri ni ibara ryometseho ibyuma bikoreshwa mumishinga yo kubaka.Umushinga umwe ukoresha ibyuma bisize ibara ryibyuma biva mubakora inganda zitandukanye.Amabara asa nkaho adahuye mugihe cyubwubatsi, ariko nyuma yimyaka myinshi yizuba ryizuba, amabara yimyenda itandukanye nababikora barahinduka.Hariho ingero nyinshi cyane zerekana inzira zitandukanye ziganisha ku itandukaniro rikomeye ryamabara.Nubwo ibicuruzwa biva mubitanga bimwe, birasabwa cyane gushyira icyarimwe umushinga umwe icyarimwe, kubera ko umubare wibyiciro bitandukanye ushobora gukoresha ibicuruzwa biva mubitanga ibicuruzwa bitandukanye, bikongerera amahirwe yo gutandukanya amabara.

Guhitamo ibikoresho bifatika ntibishobora kongera ubuzima bwumurimo winyubako gusa, ahubwo binagabanya ibiciro, bityo rwose bitangiza ibidukikije kandi bizigama umutungo.

——————————————————————————————————————— —————————————

Taishan Iterambere ryinganda Itsinda Co, Ltd.
Tuzahora twubahiriza amahame ya serivise yubuziranenge mbere nabakiriya mbere, duhe abakiriya ibicuruzwa byiza, kandi dukore ibishoboka byose kugirango tuzigame ibiciro kubakiriya.Dufatiye ku mikoreshereze y’ibikoresho hamwe nigiciro cyibishushanyo mbonera, turasaba ko hakoreshwa ibara ryinshi rya Taishan Inc risize amabara, Maanshan Iron Iron na Steel ibara hamwe na Shougang ibara.Ibicuruzwa bisanzwe bya PE birashobora gukoreshwa byibuze imyaka 10, nibicuruzwa bya PVDF birashobora kumara imyaka 20 kugeza 25.Nibyiza kandi biramba, bituma uruganda rwawe ruba rwiza.Isosiyete yacu itanga serivisi imwe, umusaruro, gutunganya, no kugurisha, ikorera abakiriya mubikorwa byose uhereye kubibazo byabakiriya kugeza kubisabwa nyuma.