Hose chikamu chakakosha chemazuva ese chemakemikari kurongedza, inoshandiswa zvakanyanya muminda yezvigadzirwa zvakadai sekrimu yemaoko, zvigadzirwa zvekuchenesa, zvigadzirwa zvezuva nezvimwe zvakadaro. Traditional hose pamusoro coatings anonyanya solvent-based maviri-component polyurethane coatings. Kunyange zvazvo mapeji maviri e-polyurethane coatings ane maitiro akanaka kwazvo maererano nekugadzirisa kushanduka uye kudhinda kwechipiri (bronzing), kushanda kwavo kwakakwirira se80%. Izvo zviri pamusoro peVOCs zvirimo zvinoita kuti zvirambidzwe mukushandisa, kunyanya mumakore achangopfuura, nekuramba kusimbaradzwa kwekuziva nezvekuchengetedzwa kwezvakatipoteredza kwenyika uye vagari venyika yedu, kugadzirwa uye kushandiswa kwepamusoro maVOCs emukati machira anotariswa zvakanyanya. Izvo zvasvika pakubvumirana kuti zvakatipoteredza hushamwari hose coatings cinotsiva yechinyakare yakakwira VOCs yemukati majasi.
Parizvino, zvipfeko zvinozivikanwa zvezvakatipoteredza zvinosanganisira: 1. Mvura-based coatings ine VOCs inokwana isingasviki 10%; 2. Yakakwirira-yakasimba mabhanhire kana kunyange akazara-akasimba machira ane zvinyorwa zvakasimba zvakakwirira kudarika 85%. Sezvo ikozvino hose base base material inonyanya kuve polyethylene (PE) zvinhu, maitiro ekuderera kwepasi tension uye yakaderera polarity yerudzi urwu rwezvinhu zvinoita kuti mvura-yakavakirwa mabhanhire isava neyakakura application precedent mu hose coating. High-solid UV-curable coatings (UV-curable coatings) yave sarudzo yekutanga kune zvakatipoteredza zvekupfeka zvehosi padanho rino nekuda kwekushanda kwazvo, kuchengetedza simba, uye kuchengetedza kwezvakatipoteredza. Nekudaro, nekuda kwehunhu hwemachira anorapika eUV, kana vanhu vachishandisa machira anorapika eUV kugadzirwa kwemazuva ese emakemikari hose kurongedza zvinhu, vanozosangana nematambudziko akadai sekutadza kuchembera kuchembera kwejasi, kutsvuka kutsvuka, kuputika kweiyo. kupfekedza, matte Kusagadzikana kupfeka kuramba, kuoma kwechipiri kudhinda (bronzing), kunhuhwirira kusinganzwisisike mushure mekupenda, nezvimwe.
Ichi chinyorwa chinotanga kubva pamisimboti yeUV yekurapa majasi, yakasanganiswa neiyo chaiyo yekushandisa, uye inokurukura zvakadzama matambudziko makuru ataurwa pamusoro apa mukuita kwekupfekedza uye kushongedza kwechipiri kwehose yekurongedza zvinhu zvinoshandiswa mumakemikari emazuva ese. Pahwaro hwekugadzirisa iyo yekubikira fomula, zvinoenderana neiyo chaiyo mamiriro emugadziri wemidziyo yekurongedza inopa mhinduro dzakanangana kumatambudziko aya.
Nhanganyaya kune UV Kurapa Coatings
Photocuring inokurumidza kukura "girinhi" tekinoroji nyowani. Kubva kuma1970, tekinoroji yekutora mifananidzo yakashandiswa zvakanyanya mumajasi, ingi, maajenti ekubatanidza uye minda yekurapa. Pakati pavo, tekinoroji ye ultraviolet kurapa (UV kurapa) ndiyo inonyanya kushandiswa tekinoroji yekurapa mwenje. UV mabhanhire anonyanya kuumbwa nemafotoinitiators, unsaturated resins uye monomers, pamusoro pekutonga kwekuwedzera uye inodiwa pigment uye mafirita. Mumunda wekushongedza pamusoro pemazuva ese emakemikari ekurongedza zvinhu, UV yekurapa tekinoroji inoshandiswa zvakanyanya mukupfapfaidza, kudhinda uye mimwe minda. Mukupfekedzwa kwemazuva ese emakemikari hose kurongedza zvinhu, UV-anorapika machira anoratidzwa nekukasira kurapa, yakakwirira yepamusoro gloss, yakanakisa kukwenya kuramba, uye yakakwirira yakasimba yemukati. Sezvo ari kubuda kwezvakatipoteredza-ushamwari coating zvinhu, mumakore achangopfuura zvakawanda uye vanhu vakawanda hanya.
Nekudaro, senge chero zvimwe zvinhu, UV-inorapika majasi zvakare ane matambudziko akadai seyero, kutsemuka, uye kushomeka kupfeka kuramba panguva yekushandiswa. Ichi chinyorwa chinotarisa kukurukura matambudziko akasiyana akajairika eUV coatings akaiswa kune hoses. , kutanga kubva kune zvinokonzeresa matambudziko, isa mberi nzira dzekugadzirisa matambudziko aya kubva pakugadzira fomula yekuputira kusvika kune yekupfekedza nzira yekuvaka.
Matambudziko makuru uye mhinduro kana UV yekurapa machira akaiswa kune emazuva ese kemikari hose yekurongedza zvinhu
一. Zvikonzero uye mhinduro dzeyero
Chikonzero chikuru cheyero yeUV-yakaporeswa majasi ndeyekuti iyo yekupfekedza ine mamorekuru maumbirwo anogona kutora ultraviolet mwenje weimwe wavelength. Mushure mekutora ultraviolet mwenje weimwe wavelength, zvinhu izvi zvinogadzira shanduko yesimba uye pakupedzisira zvinokonzeresa oxidation yejasi. Kana iyo dhigirii ye oxidation isiri yakakwirira, inoshanduka yero pakuonekwa, inowanzozivikanwa se "yellow".
(Mufananidzo wekuruboshwe - chiitiko cheyero, mufananidzo wekurudyi - zvakajairika)
Zvinhu zvikuru zviri muUV coatings zvinogona kutora ultraviolet chiedza ndezvi:
1. Photoinitiator residue (ichi ndicho chinhu chakakosha chinokonzera yellowing)
2. Molecular structure ine UV chiitiko (ichi chikamu cheUV coating chinonyanya kuve chinhu chine benzene ring structure muUV resin kana monomer)
3. Zvisungo zvakasara zvisina kupora unsaturated, uye zvimwe zvinhu zviri nyore oxidizable (zvakadai semapoka emaamino, nezvimwewo)
二、 Zvinokonzeresa uye zvigadziriso zvekuputira kutsemuka
Zvikonzero zvikuru zvekukotama uye kuputika kwekuputira: 1. Kusungirirwa kwekuputira kune substrate hakuna kunaka; 2. Kurebesa pakuputika kwekuputira kwakaderera mushure mekuporesa. Chirevo chakakurumbira ndechekuti kuomarara kwejasi hakuna kunaka.
Mhinduro dzekuputira kuputika:
1. Kutanga kubva pakugadzira fomu, ipai majasi nekunamatira zviri nani uye kusimba;
2. Kubva pakutonga kwemaitiro ekuputira, nzira dzakananga ndeidzi: 1. Preatment ye substrate, yakadai semurazvo, corona uye mamwe marapirwo pane substrate kana pre-kurapwa kwe-pre-coating treatment agent, kuwedzera polarity. ye substrate uye kuvandudza kunaka kweiyo substrate. 2. Panguva yekuputira, hupamhi hwekuputira hunofanira kuderedzwa zvakakodzera, uye tembiricha yekurapa uye UV kurapa simba rinofanira kuwedzerwa.
三、 Zvikonzero uye mhinduro dzekunhuhwirira kusiri hushamwari
Iyo hose yakavharwa inonhuhwirira kunhuhwirira kana chigadzirwa chaiswa, kunyanya kana chigadzirwa chakavharwa mubhegi rekurongedza kwenguva yakareba, kana bhegi rekurongedza ravhurwa. Chikonzero chikuru chekunhuhwirira kwakashata ndechekuti madiki-anobikira madiki mamorekuru asara mufirimu rependi anotamira pamusoro peiyo coating nekufamba kwenguva, anoputika mumhepo, uye anoramba achiungana munzvimbo yakavharwa. Zvitubu zvemakomponi aya madiki anofashaidza mamorekuru anonyanya kunyungudutsa (zvinonyungudutsa zvisina kunyungudika zvachose), zvisaririra zvidiki zvemonomeri (zvisina kukwana kurapa), uye makomisheni madiki emamorekuru anogadzirwa nemafotoinitiators uye kutsemuka kwawo (anowanzo zivikanwa sekutanga masara). )
Nzira dzekugadzirisa kunhuwa mushure mekurapa:
1. Kutanga kubva pakugadzirisa dhizaini, shandisa yakanyanya kushanda initiator system kuderedza huwandu hwekutanga hunoshandiswa; wedzera zviri mukati ma multifunctional components muhurongwa, uye shandisa zvakakodzera plasticizing zvikamu kuderedza uwandu mamorekuru monomers, kunyanya monofunctional diki mamorekuru. Monomer kushandiswa.
2. Kubva pakuona kwekuputira maitiro ekudzora, zvakakodzera kuderedza kukora kwehuputi, kuwedzera tembiricha yekurapa, uye UV kurapa simba kunogona kuderedza chizvarwa chekunhuhwirira kusingashamwaridzane.
四. Zvikonzero uye zvigadziriso zvekushomeka kwekuramba kwe matte hose
Chikonzero chekushomeka kwekushomeka kweiyo matte coating ndeyekuti iyo matte mhedzisiro yejasi inonyanya kugadzirwa neyakapararira kuratidzwa kwenzvimbo yekubikira pachiedza, uye kupararira kuratidzwa kwenzvimbo yekubikira kunonyanya kukonzerwa nekukasharara kweiyo. kupfeka pamusoro uye nepamusoro pekuvhara. Kusapindirana kweiyo layer pachayo inomuka. Kana nzvimbo yakakasharara ichikwizwa, zvinounza kukweshana kukuru, zvichiita kuti kupfekedzwa kuve nyore kukwenya pane kupenya kwepamusoro. Mukuwedzera, zvinhu zveupfu mumucheka we matte zvichaparadza kutendeseka kwechifukidzo chepamusoro kune imwe nhanho, ndicho chimwe chezvikonzero nei matte matte anonyanya kuvharwa kupfuura glossy coating.
(Iyo matte chubhu iri nyore kukwenya uye kuchena kana ichikwizwa)
Mhinduro dzekukwenya:
1. Kutanga kubva pakugovera dhizaini, kushandisa chikamu che matte resin kutsiva zvikamu zvehupfu mupende zvinogona kuderedza kushata kwenzvimbo yekuputira uye kuwedzera pigment-base reshiyo yejasi pasi pechigadziro chekuvimbisa matte degree ye coating, uye pakupedzisira zadzisa Inonatsiridza kukwenya kuramba kwematt yakavharwa nzvimbo.
2. Kutanga kubva pakutonga kwekuputira maitiro, zvakakodzera kuderedza ukuru hwekuputira, kuwedzera tembiricha yekurapa, uye UV kurapa simba rinogona kuvandudza kukwenya kuramba kweiyo matte yekuputira pamusoro.
五. Zvikonzero uye zvigadziriso zvekushaya hot stamping kuita
Zvikonzero zvikuru zvekushanda kwakashata kwekutsika kwetsika ndezvi: 1. Kuputira hakufananidzi nepepa rinopisa rinopisa, zvichiita kuti pave nekusakwana kupisa kutsika kana kunamatira kusina kunaka; Chechipiri, iyo nzira yekudzora panguva yekupisa stamping haina kugadzikana.
Mhinduro dzekushaya chitambi chinopisa:
1. Kubva pamaonero ekugadzira, Weixi Chemical inopinza zvine hungwaru zvinhu zvine tembiricha-inonzwa zvinhu mukugadzira. Zvinhu zvakadaro zvine kuoma kwepamusoro uye kuderera kwepasi pevhu pakupisa kwekamuri, asi kana tembiricha ichisvika kana kudarika tembiricha yekuchinja kwechikamu, Rudzi urwu rwezvinhu rwunopinda nechikamu chekuchinja nekuderera kwakanyanya kwekuoma kunoperekedzwa nekuwedzera kwekusagadzikana kwepasi. Munguva yekupisa kutsika, sezvo tembiricha yechikamu chinopisa chinokwira ichikwira nekukurumidza pamusoro pechikamu chekushandura tembiricha yechinhu, kuomarara kwechikamu chinopisa chekutsika kunoderedzwa zvakanyanya uye kushushikana kwepasi kunowedzera, nekudaro kuvandudza kunamatira pakati pekupisa kunopisa. pepa uye kuvhara uye kutendeseka kwekupisa kunopisa . Kana iyo bronzing process yapera, tembiricha inodonha pazasi pechikamu chekuchinja tembiricha uye kuoma kwejasi kunopora.
2. Kubva pakuona kwekugadzirisa kwekugadzirisa, ipai zvakakosha pakusarudza pepa rebronzing uye nzira inoenderana nekuputira, uye zvakakodzera kuwedzera kutonhora kwebronzing uye kudzvinyirira simba panguva yebronzing, iyo inobatsira pakuvandudza kuvimbika uye kunamatira kwebronzing.
UV-mhando PE hose varnish zvishoma nezvishoma inotsiva maviri-chikamu polyurethane coatings. Iko kugadzirwa kwekuchengetedzwa kwenyika, kugadzirwa kwakachena, kuderedzwa kwekabhoni emission, uye kuchengetedza kwezvakatipoteredza zvinodiwa. Mamwe matambudziko anomuka panguva yekuvakwa kweVV varnish inogona kugadziriswa nevarnish. Iyo formula inogadziriswa yemugadziri, maitiro ekugadziriswa kwemugadziri wemidziyo uye fekitori hose inogadziriswa pamwe chete.
Shanghai rainbow Industrial Co., Ltdinopa imwe-stop solution yecosmetic packaging.Kana iwe uchida zvigadzirwa zvedu, unogona kutibata nesu,
Webhusaiti: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应于，无医疗等领域。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。包装材料表面装饰领域，UV固化技术被广泛应用于喷涂，印刷等领域。在日化软管包装材料涂装中，UV固化涂料以其快速固化、表面光泽高、者光泽高、者固化。量高的特点，做為一种新兴的环境友好型涂装材料，近年來越來越引起人們的关注.
然而，同其他任何材料一樣，UV固化涂料在使用过程中也会存在诸如黄变、开裂、哑光老光而光老光。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，提出从涂料配方设到涂料施工过程的解决這些问题的方法.
Nguva yekutumira: Jan-06-2023