Thermoplastic Foda Paint - Maroki, Develope, Ribobi da Fursunoni

Maroki

Sin PECOAT® na musamman a samarwa da fitarwa na thermoplastic foda fenti, samfurin yana da polyethylene foda fenti, pvc foda fenti, nailan foda fenti, kuma gado mai ruwa tsoma kayan aiki.

Tarihin Ci gaba na Thermoplastic Powder Paint

Tun lokacin rikicin man fetur a cikin 1970s, foda kayan shafa sun haɓaka da sauri saboda kiyaye albarkatun su, abokantaka na muhalli, da dacewa don samar da atomatik. Thermoplastic foda fenti (wanda ake kira thermoplastic foda shafi), ɗaya daga cikin manyan nau'ikan fenti guda biyu, ya fara fitowa a ƙarshen 1930s.

A cikin 1940s, tare da haɓaka masana'antun petrochemical da sauran masana'antu, samar da resins irin su polyethylene, polyvinyl chloride, da polyamide resin ya karu da sauri, wanda ya haifar da bincike na thermoplastic foda fenti. Da farko, mutane suna so su yi amfani da kyakkyawan juriya na sinadarai na polyethylene don amfani da shi zuwa rufin ƙarfe. Duk da haka, polyethylene ba shi da narkewa a cikin kaushi kuma ba za a iya sanya shi a matsayin kayan shafa mai ƙarfi ba, kuma ba a samo manne masu dacewa ba don manne takarda polyethylene zuwa bangon ciki na karfe. Saboda haka, an yi amfani da fesa harshen wuta don narke da kuma shafa foda na polyethylene akan saman karfe, don haka buɗe farkon fenti foda na thermoplastic.

Ruwan gado mai ruwa, wanda a halin yanzu shi ne mafi yadu amfani da na kowa shafi Hanyar for thermoplastic foda Paint, ya fara da kai tsaye sprinkling hanya a 1950. A cikin wannan hanya, guduro foda ne ko'ina yayyafa a kan zafi surface na workpiece samar da wani shafi. Domin yin hanyar yayyafawa ta atomatik, an yi nasarar gwada hanyar shafan gadon ruwa a Jamus a shekara ta 1952. Hanyar shafan gadon ruwa tana amfani da iska ko iskar gas da aka hura a cikin farantin mai yuwuwa a kasan gadon mai ruwa don samar da daidaiton rarraba. watsar da iska, wanda ke sa foda a cikin gadon ruwa ya kwarara zuwa cikin jihar da ke kusa da ruwa, ta yadda za a iya rarraba kayan aikin a ko'ina a saman kayan aikin da samun santsi da lebur.

Nau'o'i da Ribobi da Fursunoni na Paint Foda na Thermoplastic

A halin yanzu, thermoplastic foda fenti ya haɗa da iri daban-daban kamar polyethylene /polypropylene foda coatings, polyvinyl chloride foda coatings, nailan foda coatings, polytetrafluoroethylene foda coatings, da thermoplastic polyester foda coatings. An yi amfani da su sosai wajen kare zirga-zirgar ababen hawa, da hana lalata bututun mai, da kayayyakin gida daban-daban.

Polyethylene (PE) da kuma polypropylene (PP) foda shafi

Polyethylene da polypropylene sun kasance daga cikin kayan farko da aka yi amfani da su a cikin fenti na foda na thermoplastic kuma sune biyu mafi mahimmanci thermoplastic polymers a cikin karni na karshe. A halin yanzu, an yi amfani da polyethylene mai girma da ƙananan ƙananan a cikin filin thermoplastic. Ana amfani da polyethylene mai girma a cikin masana'antun masana'antu, yayin da ake amfani da ƙananan polyethylene a cikin filin farar hula.

Kamar yadda sarkar kwayoyin halitta na polyethylene da polypropylene shine haɗin carbon-carbon, duka biyu suna da halaye marasa iyaka na olefins, don haka polyethylene da polypropylene foda suna da kyakkyawan juriya na sinadarai kuma ana amfani da su sosai a cikin filin anti-lalata. Ana amfani da su don karewa, adanawa, da jigilar kwantena, bututu, da bututun mai don sinadarai da masu sarrafa sinadarai. A matsayin abu marar amfani, wannan nau'in fenti na foda yana da ƙarancin mannewa ga ma'auni kuma yana buƙatar kulawa mai zurfi na substrate, ko aikace-aikacen firamare ko gyara na polyethylene tare da wasu kayan.

riba 

Polyethylene guduro ne mafi yadu amfani da samar da thermoplastic foda fenti.

Ya na da wadannan ab advantagesbuwan amfãni:

1. Kyakkyawan juriya na ruwa, juriya na acid da alkali, da juriya na sinadarai;
2. Kyawawan rufin lantarki da kayan haɓakar thermal;
3. Kyakkyawan ƙarfin ƙarfi, sassauci, da juriya mai tasiri;
4. Kyakkyawan juriya mai ƙarancin zafi, yana iya kula da sa'o'i 400 ba tare da fashe a -40 ℃;
5. Farashin dangi na albarkatun ƙasa yana da ƙasa, ba mai guba ba kuma yana da alaƙa da muhalli.

Hasara

Duk da haka, saboda kaddarorin polyethylene substrate, polyethylene foda fenti shima yana da wasu abubuwan da ba za a iya kaucewa ba:

1. Tauri, juriya da juriya, da ƙarfin injina na sutura ba su da talauci;
2. Adhesion na sutura ba shi da kyau kuma ana buƙatar daɗaɗɗen da ake bukata sosai;
3. Rashin juriya na yanayi, mai saurin kamuwa da damuwa bayan fallasa hasken ultraviolet;
4. Rashin juriya mai zafi da ƙarancin juriya ga zafi mai laushi.

Polyvinyl chloride (PVC) shafa foda

Polyvinyl chloride (PVC) shi ne amorphous polymer mai dauke da ƙananan adadin lu'ulu'u marasa cikawa. Mafi yawan PVC Kayayyakin resin suna da ma'aunin kwayoyin halitta tsakanin 50,000 zuwa 120,000. Ko da yake babban nauyin kwayoyin halitta PVC resins suna da kyawawan kaddarorin jiki, ƙananan nauyin kwayoyin halitta PVC resins tare da ƙananan narke danko da zafin jiki mai laushi sun fi dacewa da kayan don fenti foda na thermoplastic.

PVC kanta abu ne mai tsauri kuma ba za a iya amfani da shi azaman kayan fenti na foda kadai ba. Lokacin yin sutura, ana buƙatar ƙara wani adadin filastik don daidaita sassaucin PVC. A lokaci guda, ƙara masu amfani da filastik kuma yana rage ƙarfin juzu'in kayan, modules, da taurin kayan. Zaɓin nau'in da ya dace da adadin filastik zai iya cimma daidaitattun da ake so tsakanin sassauƙar kayan aiki da taurin.

Domin cikakke PVC foda fenti dabara, stabilizers kuma wani muhimmin bangare ne. Don warware thermal kwanciyar hankali na PVC, gauraye salts na alli da zinc tare da mai kyau thermal kwanciyar hankali, barium da cadmium sabulu, mercaptan tin, dibutyltin abubuwan da suka samo asali, mahaɗan epoxy, da sauransu. Kodayake masu tabbatar da gubar suna da kyakkyawan yanayin yanayin zafi, an cire su daga kasuwa saboda dalilai na muhalli.

A halin yanzu, samfuran da aka fi amfani dasu don PVC foda fenti ne daban-daban na kayan aikin gida da kwandon wanki. PVC samfurori suna da kyakkyawan juriya na wankewa da juriya ga gurɓataccen abinci. Hakanan za su iya rage hayaniya don akwatunan tasa. Rukunin tasa mai rufi PVC samfurori ba za su yi hayaniya ba yayin da ake ajiye kayan tebur. PVC foda coatings za a iya amfani da fluidized gado yi ko electrostatic spraying, amma suna bukatar daban-daban foda barbashi masu girma dabam. Ya kamata kuma a lura da cewa PVC fentin foda yana fitar da wari mai ɗorewa a lokacin da ake shafa ruwa kuma yana cutar da jikin ɗan adam. An riga an fara haramta amfani da su a ƙasashen waje.

riba

Amfanin fenti na polyvinyl chloride foda sune:

1. Ƙananan farashin albarkatun kasa;
2. Kyakkyawan juriya na gurɓataccen gurɓatawa, juriya na wankewa, da juriya na lalata;
3. Ƙarfin injina mai ƙarfi da kyakkyawan aikin rufin lantarki.

Hasara

Rashin amfanin fenti na polyvinyl chloride foda sune:

1. Bambanci tsakanin zafin jiki na narkewa da zafin jiki na bazuwar PVC guduro karami ne. A lokacin aikin sutura, ana buƙatar kulawa da zafin jiki sosai don hana sutura daga lalacewa.
2. Rubutun baya jure wa kamshi na hydrocarbons, esters, ketones, da chlorinated kaushi, da dai sauransu.

Polyamide (nailan) foda shafi

Polyamide guduro, wanda aka fi sani da nailan, guduro ne da ake amfani da shi sosai. Nailan yana da ingantattun kaddarorin abubuwa, babban taurin, da kuma juriya na lalacewa. Matsakaicin madaidaicin juzu'i na rigunan nailan ƙanana ne, kuma suna da lubricity. Sabili da haka, ana amfani da su a cikin kayan aiki na kayan aiki, gears, bawuloli, da dai sauransu. Nailan foda kayan shafa suna da kyau mai kyau, ƙananan amo, sassauci mai kyau, kyakkyawar mannewa, juriya na sinadaran, da juriya mai ƙarfi. Ana iya amfani da su azaman madaidaicin lalacewa mai jurewa da lubricating shafi don maye gurbin jan karfe, aluminum, cadmium, karfe, da dai sauransu. The yawa na nailan shafi fim ne kawai 1/7 na jan karfe, amma da lalacewa juriya ne takwas sau takwas na jan karfe.

Nailan foda kayan shafa ba masu guba bane, marasa wari, da rashin ɗanɗano. A hade tare da gaskiyar cewa ba su da saurin kamuwa da cutar fungal ko haɓaka haɓakar ƙwayoyin cuta, ana samun nasarar amfani da su ga masana'antar sarrafa abinci don ɗaukar kayan injin da tsarin bututun mai ko kuma a rufe saman da ke yin hulɗa kai tsaye da abinci. Saboda ingantaccen ruwa da juriya na ruwan gishiri, ana kuma amfani da shi don shafa sassan injin wanki, da sauransu.

Wani muhimmin yanki na aikace-aikace na nailan foda coatings ne don suturta daban-daban na iyawa, ba kawai saboda suna da muhimmanci fasali irin su juriya juriya da karce juriya, amma kuma saboda low thermal conductivity ya sa hannaye su ji taushi. Wannan ya sa waɗannan kayan sun dace sosai don suturar kayan aiki na kayan aiki, hannayen kofa, da ƙafafun tuƙi.

Idan aka kwatanta da sauran sutura, fina-finai na nailan suna da ƙarancin juriya na sinadarai kuma ba su dace da amfani da su a cikin mahallin sinadarai kamar acid da alkalis ba. Saboda haka, wasu epoxy resins gabaɗaya ana ƙara su azaman masu gyara, waɗanda ba za su iya haɓaka juriya kawai na rufin nailan ba amma kuma haɓaka ƙarfin haɗin gwiwa tsakanin fim ɗin shafi da ƙaramin ƙarfe. Nylon foda yana da babban adadin sha ruwa kuma yana da saukin kamuwa da danshi yayin gini da adanawa. Don haka, yana buƙatar adana shi a ƙarƙashin yanayin da aka rufe kuma kada a yi amfani da shi na dogon lokaci a ƙarƙashin yanayin zafi da zafi. Wani al'amari da za a lura shi ne cewa lokacin yin filastik na nailan foda yana da ɗan gajeren lokaci, kuma ko da fim ɗin da ba ya buƙatar filastik zai iya cimma sakamakon da ake so, wanda shine nau'i na musamman na nailan foda.

Polyvinylidene fluoride (PVDF) foda fenti

Mafi yawan wakilin yanayi mai jurewa shafi a cikin thermoplastic foda fenti shine polyvinylidene fluoride (PVDF) foda shafi. A matsayin mafi yawan wakilin ethylene polymer mai jure yanayin yanayi, PVDF yana da injina mai kyau da juriya mai tasiri, kyakkyawan juriya na lalacewa, fitaccen sassauci da tauri, kuma yana iya tsayayya da yawancin sinadarai masu lalata kamar acid, alkalis, da masu ƙarfi mai ƙarfi. Bugu da ƙari, ba shi da narkewa a cikin sinadarai masu kaushi da aka saba amfani da su a cikin masana'antar sutura, wanda ya faru ne saboda haɗin FC da ke cikin PVDF. A lokaci guda, PVDF kuma ya cika ka'idodin FDA kuma ana iya amfani dashi wajen sarrafa abinci kuma yana iya haɗuwa da abinci.

Saboda girman narke danko, PVDF yana da haɗari ga pinholes da ƙarancin ƙarfe a cikin murfin fim na bakin ciki, kuma farashin kayan ya yi yawa. Sabili da haka, a mafi yawan lokuta, ba a yi amfani da shi azaman kayan tushe kawai don suturar foda. Gabaɗaya, ana ƙara kusan kashi 30% na resin acrylic don haɓaka waɗannan kaddarorin. Idan abun ciki na resin acrylic ya yi yawa, zai shafi yanayin juriya na fim ɗin shafa.

A sheki na PVDF shafi fim ne in mun gwada da low, kullum a kusa da 30 ± 5%, wanda iyakance ta aikace-aikace a saman ado. A halin yanzu, an fi amfani da shi azaman rufin gini don manyan gine-gine, ana amfani da shi a kan ginshiƙan rufin, bango, da firam ɗin tagogin aluminum, tare da kyakkyawan juriya na yanayi.

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