Bincika Kayayyaki da Tsarin Fina-Finan Kariya

Fim ɗin kariya na aluminum wani tsari ne na musamman na fim din polyethylene (PE) a matsayin substrate, polyacrylic acid (ester) resin a matsayin kayan farko na manne-matsi mai mahimmanci, tare da wasu nau'o'in mannewa na musamman ta hanyar sutura, yankan, marufi, da sauran matakai. fim ɗin kariya yana da taushi, tare da ƙarfin mannewa mai kyau, sauƙin manna, sauƙin kwasfa. Kwanciyar hankali-matsi na mannewa yana da kyau kuma ba zai haifar da lahani ga saman samfurin da ake manna ba.

Iyakar aikace-aikace: Yafi amfani da kowane irin filastik, katako farantin (sheet) surface kariya, kamar PVC, PET, PC, PMMA biyu-launi farantin, kumfa hukumar UV, gilashin, da sauran farantin saman a cikin harkokin sufuri, ajiya. , da sarrafawa, tsarin shigarwa ba tare da lalacewa ba.

Tsarin tsari da kayan abu na fim mai kariya

Fim ɗin kariya gabaɗaya shine fim ɗin kariya na polyacrylate, fim ɗin kariya na polyacrylate na tsarin asali daga sama zuwa ƙasa: keɓe Layer, Layer bugu, fim, Layer m.

(1, warewa Layer; 2, bugu Layer; 3, fim; 4, Layer na m)

1. Fim

A matsayin kayan albarkatun kasa, ana yin fim gabaɗaya da ƙarancin ƙarancin yawa na polyethylene (PE) da polyvinyl chloride (PVC). Ana iya samun gyare-gyaren gyare-gyare, gyaran allura, da gyare-gyaren busa. Kamar yadda polyethylene ya fi rahusa kuma ya fi dacewa da muhalli, kashi 90% na fim ɗin an yi shi ne da polyethylene, tare da tsarin gyare-gyaren busa a matsayin babban abin da aka mayar da hankali. Akwai nau'ikan polyethylene da yawa tare da wuraren narkewa daban-daban da yawa.

2. Colloid

Halayen colloid sun ƙayyade maɓalli ga mai kyau da mara kyau na fim ɗin kariya. Fim ɗin kariyar da aka yi amfani da shi a cikin manne mai mahimmanci yana da nau'i biyu: polyacrylate adhesive na tushen ƙarfi da ruwa mai narkewa da polyacrylate; suna da halaye daban-daban.

Adhesive polyacrylate mai narkewa

Polyacrylate mannewa na tushen ƙarfi shine kaushi na halitta azaman matsakaici don narkar da monomer acrylic; colloid yana da kyau sosai, danko na farko yana da ƙananan ƙananan, kuma yana da tsayayya da tsufa har zuwa shekaru 10 lokacin da aka fallasa shi zuwa hasken ultraviolet; Colloid kuma za a warke a hankali. Bayan an yi wa fim ɗin maganin korona, ana iya shafa polyacrylate adhesive kai tsaye ba tare da firamare ba. Polyacrylate adhesive ya fi rikitarwa kuma yana da rashin ruwa mara kyau, don haka mannewar fim mai kariya yana wasa da hankali; ko da bayan matsa lamba, gel da farfajiyar da za a buga har yanzu ba za a iya tuntuɓar su sosai ba. Sanya 30 ~ 60 days daga baya, zai kasance cikakke a cikin hulɗa tare da saman da za a buga don cimma nasarar mannewa na ƙarshe, kuma mannewa na ƙarshe ya fi girma fiye da mannewa na mannewa na 2 ~ 3 sau, mannewa na adhesion. fim ɗin kariya, idan ya dace da yanke masana'anta na allo, mai amfani da ƙarshen yaga fim ɗin lokacin da akwai Yana iya zama mai wahala sosai ko ma ba za a iya yage shi ba.

Adhesive polyacrylate mai narkewa mai ruwa

Adhesive polyacrylate mai narkewa mai ruwa yana amfani da ruwa azaman matsakaici don narkar da monomer acrylic. Hakanan yana da halayen polyacrylate adhesive na tushen ƙarfi, amma ya kamata a guji colloid don rage hulɗa da tururin ruwa da hana ragowar manne. Kasashe masu tasowa sukan yi amfani da colloid don samar da fim mai kariya saboda ruwa mai narkewa polyacrylate adhesive ya fi dacewa da muhalli kuma baya buƙatar na'urorin dawo da ƙarfi.

3. Halayen colloid

Adhesion

Yana nufin lokacin lokacin da fim ɗin kariya daga saman an makala shi zuwa ƙarfin da ake buƙata don kwasfa. Ƙarfin mannewa yana da alaƙa da kayan da za a yi amfani da su, matsa lamba, lokacin aikace-aikacen, kusurwa, da zafin jiki lokacin da aka cire fim din. Dangane da Coating Online, gabaɗaya, tare da haɓakar lokaci da matsa lamba, ƙarfin mannewa shima zai tashi; mannewar fim ɗin mai kariya na iya tashi da yawa don tabbatar da cewa babu sauran mannewa lokacin yage fim ɗin.Yawanci, ana auna mannewa ta hanyar gwajin kwasfa na digiri 180.

Haɗin kai

Yana nufin ƙarfin colloid a ciki, kamar yadda fim ɗin kariya na haɗin gwiwar colloid dole ne ya kasance mai girma sosai; in ba haka ba, a yage fim ɗin kariya, za a fashe colloid a ciki, wanda zai haifar da ragowar m. Ma'auni na haɗin kai: Za a sanya fim ɗin kariya a saman bakin karfe, kuma wani takamaiman nauyi zai rataye akan fim ɗin kariya don auna lokacin da ake buƙata don cire fim ɗin kariya ta nauyi. Idan ƙarfin mannewa ya fi ƙarfin haɗin gwiwa, yayyage fim ɗin kariya, kuma ƙwayoyin manne da ke da alaƙa tsakanin haɗin gwiwa za su karye, wanda zai haifar da ragowar m.

Adhesion

Wannan yana nufin ƙarfin haɗin kai tsakanin manne da fim ɗin. Idan ƙarfin mannewa ya fi ƙarfin haɗin kai, idan an cire fim ɗin kariya, haɗin tsakanin ƙwayoyin mannewa da fim ɗin za a karye, wanda zai haifar da ragowar m.

Resistance UV

Polyacrylate adhesive ne UV resistant, m polyacrylate m film m tare da UV stabilizer; Yana da tsayayyar UV har zuwa watanni 3 ~ 6. Gabaɗaya amfani da kayan kwaikwaiyon yanayi don gwada ƙarfin UV na fim ɗin kariya ta hanyar daidaita yanayin zafin zafin jiki, da kuma ɗaukar nauyi don kwaikwayi canjin yanayi kowane sa'o'i 3 na babban zafi da 7 hours na ultraviolet radiation don sake zagayowar 50 hours sake zagayowar gwaje-gwaje. daidai da kwatankwacin jeri waje na wata ɗaya.