Imiti ya shimi ya buri munsi UV itwikiriye ibibazo nibisubizo

   Hose nigice cyingenzi cyo gupakira imiti ya buri munsi, ikoreshwa cyane mubicuruzwa nka cream y'intoki, ibicuruzwa byoza, ibicuruzwa bituruka ku zuba n'ibindi. Ubuso bwa hose busanzwe busa cyane cyane bushingiye kubice bibiri bigize polyurethane. Nubwo ibice bibiri bigize polyurethane bifitemo imikorere myiza mubijyanye no gutwikira ibintu byoroshye no gucapa kabiri (bronzing), imikorere yabo iri hejuru ya 80%. Ibivugwa muri VOC byavuzwe haruguru bituma bigabanywa mu bikorwa, cyane cyane mu myaka yashize, hamwe no gukomeza gushimangira ubukangurambaga bwo kurengera ibidukikije ku gihugu ndetse n’abaturage mu gihugu cyacu, gukora no gukoresha ibicapo byinshi bya VOC bikurikiranwa cyane. Byageze ku bwumvikane ko ibidukikije byangiza ibidukikije cgusimbuza gakondo ya VOCs ibirimo.

Imiti ya shimi ya buri munsi

 

Kugeza ubu, impuzu zemewe zangiza ibidukikije zirimo: 1. Ipati ishingiye ku mazi ifite VOC iri munsi ya 10%; 2. Ibifuniko binini cyane cyangwa byuzuye-byuzuye byuzuye bifite 85%. Kubera ko ibikoresho bya shitingi biriho ubu ahanini ari ibikoresho bya polyethylene (PE), ibiranga ubushyuhe buke bwo hejuru hamwe na polarite nkeya yubwoko bwibikoresho bituma amazi ashingiye kumazi adafite uburyo bukoreshwa muburyo bwo gutwikira hose. Ikirangantego gikomeye cya UV-gishobora gukira (UV-curable coatings) cyahindutse ihitamo ryambere ryangiza ibidukikije byangiza ibidukikije kuri iki cyiciro kubera gukora neza, kuzigama ingufu, no kurengera ibidukikije. Ariko, kubera ibiranga UV-ishobora gukira, mugihe abantu bakoresha ibishishwa bya UV-bivura kugirango babone ibikoresho byo gupakira imiti ya buri munsi, bazahura nibibazo nko kutoroherwa no gusaza kwifuniko, umuhondo byoroshye, guturika gutwikira, matte Kwambara nabi birwanya, bigoye gucapa kabiri (bronzing), impumuro nziza nyuma yo gushushanya, nibindi.

Iyi ngingo izatangirira kumahame shingiro yo gukiza UV ikomatanya, hamwe no kuyashyira mubikorwa, kandi iganire cyane kubibazo byavuzwe haruguru murwego rwo gutwikira no gushushanya icyiciro cya kabiri cyibikoresho bipfunyika bikoreshwa mumiti ya buri munsi. Hishimikijwe guhuza uburyo bwo gutwikira, ukurikije imiterere yihariye yibikorwa byo gupakira ibikoresho bitanga ibisubizo byihariye kuri ibyo bibazo.

Intangiriro kuri UV Ikiza

Gufotora ni tekinoroji nshya "icyatsi". Kuva mu myaka ya za 70, tekinoroji yo gufotora yakoreshejwe cyane mu gutwikira, wino, guhuza imiti no mubuvuzi. Muri byo, tekinoroji ya ultraviolet ikiza (UV curing) ubu ni tekinoroji ikoreshwa cyane. UV itwikiriye igizwe ahanini na fotinitiatori, ibisigazwa bidahagije hamwe na monomers, inyongeramusaruro yo kugenzura hejuru hamwe na pigment ikenewe hamwe nuwuzuza. Mu rwego rwo gushushanya hejuru yububiko bwa miti ya buri munsi, tekinoroji yo kuvura UV ikoreshwa cyane mugutera, gucapa no mubindi bice. Mu gutwikira ibikoresho bya shimi bya buri munsi bipfunyika, UV-ishobora gukira irangwa no gukira byihuse, ububengerane bwo hejuru, kwihanganira ibishushanyo byiza, hamwe nibintu bikomeye. Nibintu bigenda byangiza ibidukikije byangiza ibidukikije, mumyaka yashize abantu benshi baritonda.

Ariko, kimwe nibindi bikoresho byose, UV-ishobora gukira nayo ifite ibibazo nkumuhondo, guturika, hamwe no kutambara neza mugihe cyo kuyikoresha. Iyi ngingo izibanda ku kuganira ku bibazo bitandukanye bikunze kugaragara kuri UV ikoreshwa kuri hose. , guhera kubitera ibibazo, shyira imbere uburyo bwo gukemura ibyo bibazo kuva igishushanyo mbonera cya coating kugeza kubikorwa byo kubaka.

Ibibazo nyamukuru nibisubizo mugihe UV ikiza ibishishwa bikoreshwa mubikoresho byo gupakira imiti ya buri munsi

一. Impamvu nigisubizo cyumuhondo

 

Impamvu nyamukuru itera umuhondo wa UV ikize ni uko igifuniko kirimo imiterere ya molekile ishobora gukurura urumuri ultraviolet yumurambararo wihariye. Nyuma yo gukuramo urumuri rwa ultraviolet yuburebure bwihariye bwumuraba, ibyo bintu bitanga imbaraga zurwego rwingufu hanyuma amaherezo bigatera okiside ya coating. Iyo urugero rwa okiside rutari hejuru, ruzahinduka umuhondo mumiterere, bakunze kwita "umuhondo".

微信图片 _20230106144637

 

(Ifoto ibumoso - ibintu byumuhondo, ishusho iburyo - bisanzwe)

Ibice byingenzi biri muri UV bishobora gukurura urumuri ultraviolet ni:

1. Ibisigisigi bya Photoinitiator (iki nikintu cyingenzi gitera umuhondo)

2. Imiterere ya molekulari ikubiyemo ibikorwa bya UV (iki gice cyo gutwikira UV ni ikintu kirimo imiterere yimpeta ya benzene muri UV resin cyangwa monomer)

3. Ibisigisigi bidasigara bidahagije, nibindi bintu byoroshye okiside (nkamatsinda ya amino, nibindi)

. Impamvu n'ibisubizo byo guturika

Impamvu nyamukuru zitera kunama no gutobora igifuniko: 1. Guhuza igifuniko kuri substrate ntabwo ari byiza; 2. Kurambura kumena igifuniko ni bike nyuma yo gukira. Ijambo ryamamaye ni uko gukomera kwifuniko atari byiza.

Ibisubizo byo gutwika:

1. Guhera kubishushanyo mbonera, tanga ibifuniko hamwe no gukomera no gukomera;

2. Uhereye ku kugenzura uburyo bwo gutwikira, uburyo bwihariye ni: 1. Gutegura substrate, nka flame, corona nubundi buryo bwo kuvura kuri substrate cyangwa mbere yo kuvura uwabanje kuvura mbere yo gutwikira, kugirango yongere polarite hejuru ya substrate no kuzamura ireme rya substrate. 2.Mu gihe cyo gutwikira, uburebure bwikigero bugomba kugabanuka muburyo bukwiye, kandi ubushyuhe bwo gukiza nimbaraga za UV zikiza bigomba kwiyongera.

. Impamvu n'ibisubizo byimpumuro nziza

Igishishwa gitwikiriye kizahumura impumuro nziza mugihe ibicuruzwa bishyizwe, cyane cyane iyo ibicuruzwa bifunze mumufuka wapakira igihe kirekire, mugihe umufuka wapakiye. Impamvu nyamukuru yiyi mpumuro mbi ni uko uduce duto duto duto duto duto dusigaye muri firime irangi twimukira hejuru yumwenda mugihe, guhindagurika mukirere, kandi bikarundanya bikomeza ahantu hafunze. Inkomoko yibi bikoresho bito bitetse cyane ni ibishishwa bisigara cyane (ibishishwa bidahindagurika rwose), monomoro ntoya isigaye (gukira kutuzuye), hamwe nuduce duto duto twa molekuline twakozwe na fotoinitiator hamwe no guturika kwabo (bikunze kwitwa ibisigisigi byabashinzwe gutangiza). ).

Inzira zo gukemura impumuro nyuma yo gukira:

1. Guhera kubishushanyo mbonera, koresha sisitemu yo gutangiza cyane kugirango ugabanye umubare wabatangije wakoreshejwe; ongera ibikubiye mubice byinshi bikora muri sisitemu, kandi ukoreshe ibice bya pulasitiki bikwiye kugirango ugabanye ubwinshi bwa molekile ntoya, cyane cyane molekile ntoya. Imikoreshereze ya Monomer.

2. Urebye uburyo bwo kugenzura uburyo bwo kugenzura, kugabanya mu buryo bukwiriye umubyimba wa coating, kongera ubushyuhe bwo gukiza, hamwe na UV ikiza bishobora kugabanya kubyara impumuro mbi.

四. Impamvu nigisubizo cyo kurwanya nabi gushushanya matte hose

Impamvu idahwitse yo kwifata ya matte ni uko ingaruka ya matte ya coating iterwa ahanini no gukwirakwiza gukwirakwiza hejuru yumucyo ku mucyo, kandi ikwirakwizwa rya diffuse ryerekana ubuso buterwa ahanini nubugome bwa hejuru yububiko. Kudahuza urwego ubwabyo bivuka. Iyo ubuso bubi bwakuweho, bizazana ubwumvikane buke, butume igifuniko gikunda gushushanya kuruta ubuso buhanitse. Byongeye kandi, ifu yifu ya matte izasenya ubusugire bwubuso bwububiko ku rugero runaka, iyi ikaba ari imwe mu mpamvu zituma umwenda wa matte ushobora gukururwa kuruta gutwikirwa.

微信图片 _20230106150323

 

(Umuyoboro wa matte uroroshye gushushanya no guhinduka umweru iyo usizwe)

Ibisubizo kubishushanyo:

1. Guhera ku gishushanyo mbonera cyo gukwirakwiza, ukoresheje igice cya matine kugirango usimbuze ibice byifu y irangi birashobora kugabanya ubukana bwubuso bwikibiriti kandi bikongerera igipimo fatizo-fatizo yikibiriti hashingiwe ku kwemeza urwego rwa matte ya gutwikira, hanyuma amaherezo agere Kunoza igishushanyo mbonera cyimyenda isize.

2. Guhera ku kugenzura uburyo bwo gutwikira, kugabanya mu buryo bukwiriye umubyimba w’ububiko, kongera ubushyuhe bwo gukiza, hamwe n’ingufu zikiza UV birashobora kunoza uburyo bwo guhangana nubutaka bwa matte.

五. Impamvu nibisubizo kubikorwa bidashyushye byo gukora kashe

Impamvu nyamukuru zituma imikorere idashyushye idahwitse ni: 1. Igipfundikizo ntigihuye nimpapuro zishyushye, bikavamo kashe yuzuye ituzuye cyangwa gufatana nabi; Icya kabiri, kugenzura inzira mugihe cyo gushyirwaho kashe ntibihinduka.

Ibisubizo byo gushyirwaho kashe mbi:

. Ibintu nkibi bifite ubukana bwinshi nubushyuhe buke hejuru yubushyuhe bwicyumba, ariko iyo ubushyuhe bugeze cyangwa burenze ubushyuhe bwinzibacyuho, Ubu bwoko bwibintu bigenda byihuta hamwe no kugabanuka gukabije kwubukomezi buherekejwe no kwiyongera kwubutaka. Mugihe cyo gushyirwaho kashe ishyushye, kubera ko ubushyuhe bwigice gishyushye kizamuka vuba hejuru yubushyuhe bwikiciro cyibintu, ubukana bwikimenyetso gishyushye buragabanuka cyane kandi impagarara zubuso bwiyongera, bityo bikazamura guhuza hagati ya kashe ishyushye. impapuro nigitambaro hamwe nubusugire bwa kashe ishyushye. Iyo inzira ya bronzing irangiye, ubushyuhe buragabanuka munsi yubushyuhe bwinzibacyuho kandi ubukana bwa coating burakira.

2. Ukurikije uburyo bwo kugenzura inzira, shyira imbere guhitamo impapuro zomuringa hamwe nibikorwa bihuye nigifuniko, hanyuma wongere muburyo bukwiye ubushyuhe bwa bronzing hamwe ningufu zo gukanda mugihe cya bronzing, bifasha kunoza ubunyangamugayo no gufatana na bronzing.

UV-ubwoko bwa PE hose varnish izasimbuza buhoro buhoro ibice bibiri bigize polyurethane. Numusaruro wumutekano wigihugu, umusaruro usukuye, kugabanya ibyuka bihumanya ikirere, nibisabwa kurengera ibidukikije. Ibibazo bimwe bivuka mugihe cyo kubaka UV varish birashobora gukemurwa na varish. Guhindura formulaire yuwabikoze, guhindura imikorere yuwakoze ibikoresho nuruganda rwa hose birakemurwa.

Shanghai umukororombya inganda co., Lt.itanga igisubizo kimwe cyo gupakira kwisiga.Niba ukunda ibicuruzwa byacu, ushobora kutwandikira,
Urubuga:www.rainbow-pkg.com
Email: Bobby@rainbow-pkg.com
WhatsApp: +008615921375189

 

 

 

 

光固化是一种快速发展的 “绿色” 新技术,从 20 世纪 70 年代至今,光固化技术已广泛应于涂料,油墨,交联剂以及医疗等领域。其中紫外光固化( UV 固化)技术是目前应用最为广泛的光固化技术。UV 涂料主要由光引发剂、不饱和树脂及单体、表面控制助剂以及必要的颜填料组成。在日化包装材料表面装饰领域, UV 固化技术被广泛应用于喷涂UV 固化涂料以其快速固化、表面光泽高、耐刮擦性能优异、固含量高的特点,做为一种新兴的环境友好型涂装材料,近年来越来越引起人们的关注。

UV 固化涂料在使用过程中也会存在诸如黄变、开裂、哑光耐磨性差等问题,本文将重点就应用于软管的 UV 涂料常见的各种问题进行讨论,从问题产生的原因出发,提出从涂料配方设计到涂料施工过程的解决这些问题的方法。


Igihe cyo kohereza: Mutarama-06-2023
Iyandikishe