Menene Bambanci Tsakanin Polyurethane da Epoxy Resin?

1. Alamar gama gari da Bambanci Tsakanin Polyurethane da Resin Epoxy:

Alamar gama gari:

1) Polyurethane da resin epoxy sune sassa biyu, kuma kayan aiki da hanyoyin aiki iri ɗaya ne;

2) Dukansu suna da juriya mai kyau, babu fashewa, babu faduwa da sauran kaddarorin;

3) Dukansu suna da kaddarorin juriya na lalata mai ƙarfi ga acid mai ƙarfi, alkali, gishiri da abubuwan mai daban-daban;

4) Dukansu suna da kaddarorin ƙura, hana ruwa, juriya juriya, juriya mai nauyi, juriya mai tasiri da sauransu;

Bambancin:

1) Polyurethane (PU) shine polyphenylene diisocyanate da polyether polyol.An haɗe shi kuma an warke shi a gaban mai kara kuzari triethylene diamine don samar da babban polymer.Idan aka kwatanta da resin epoxy, ya fi guba.

Polyurethane yana da halaye na mannewa mai kyau, rufi da juriya na yanayi.Ana iya canza taurin ta hanyar daidaita abun ciki na diisocyanate da polyether polyol, kuma ana iya amfani dashi a cikin marufi na kayan lantarki da na lantarki daban-daban.

2) Epoxy resin gaba daya kunshi bisphenol A epoxy resin, curing agent (amine ko acid anhydride), auxiliary agent, filler, da sauransu. Yana da dogon lokacin warkewa a dakin da zafin jiki kuma ana iya warkewa ta hanyar dumama.Bayan warkewa, yana da ƙarfin haɗin gwiwa da ƙarfi.Gabaɗaya, yana da girman gaske kuma ana iya yin shi a bayyane don ɓoye na'urorin lantarki da diodes.

Polyurethane yana da mafi kyawun juriya na yanayi, ba ya fashe a babban zafi da ƙananan zafi, kuma yana da ɗan tsada.

2. Yin amfani da polyurethane da resin epoxy:

1) Gudun polyurethane:

Gudun polyurethane abu ne na polymer tare da babban ƙarfi, juriya na hawaye, juriya da sauran halaye;

An yi amfani dashi azamanrollers,na'ura mai ɗaukar nauyi, hoses, auto sassa,takalman takalma, fata na roba, wayoyi da igiyoyi da gabobin wucin gadi na likita, da dai sauransu;

Don kera samfuran filastik, samfuran roba na roba masu jure lalacewa, filaye na roba, samfuran kumfa mai ƙarfi da sassauƙa, mannewa da sutura, da sauransu;

Ana amfani da shi don karewa saman kayan itace daban-daban, kayan aikin sinadarai, kayan sadarwa da kayan aiki da hanyoyin sufuri daban-daban.

2)Epoxy resin: Hakanan za'a iya amfani dashi a cikin sutura, adhesives, kayan haɗin gwiwa, da sauransu.

Epoxy resin shafi wani nau'i ne mai ƙarfi mai ƙarfi, juriya da kyawawan bene, wanda ke da fa'idodin maras kyau, ƙaƙƙarfan rubutu, juriya mai kyau na sinadarai, rigakafin lalata, ƙura-hujja, ingantaccen kulawa da ƙarancin kulawa.

Daban-daban makircinsu za a iya tsara bisa ga abokin ciniki bukatun, kamar bakin ciki-Layer shafi, 1-5mm lokacin farin ciki kai matakin bene, anti-skid da lalacewa-resistant bene, turmi kasa, anti-a tsaye, anti-lalata bene, da dai sauransu.

Kayayyakin sun dace da wurare daban-daban, kamar taron karawa juna sani, dakunan kwamfuta, dakunan ajiya, dakunan gwaje-gwaje, dakunan kwana, dakunan tiyata, tarurrukan bita, da sauransu.

3. Tsohon topcoat ya dace da amfani da waje, yayin da na ƙarshe ya dace da amfani na cikin gida;

Babban rauni ko rashin amfani na karshen shine cewa yana jin tsoron hasken ultraviolet mai karfi, kuma zai juya launin rawaya a karkashin hasken ultraviolet mai karfi, wato, fade, amma ba zai rushe ba kuma ba zai shafi amfani ba;

Duk da haka, na farko ya inganta sosai a yanayin juriya fiye da na baya, musamman ma lokacin rawaya na tsohon ya fi tsayi fiye da na baya, don haka ana amfani da na farko don bukatun gine-gine na waje.