Don tsawaita rayuwar shiryayye irin kamar abinci da magunguna, da yawakayan marufiDon abinci da magunguna a zamanin yau suna amfani da fina-finan da yawa. A halin yanzu, akwai biyu, uku, biyar, bakwai, tara, har ma da yadudduka goma sha ɗaya na kayan tattarawa. Multi Layer kayan fim ne na bakin ciki wanda aka kafa ta hanyar buɗe kayan filastik a cikin tashoshin da yawa lokaci guda, wanda zai iya yin fa'idodin abubuwa daban-daban
Layer Multicaffing fimgalibi sun hada da hadewar polyolefin. Currently, the commonly used structures include: polyethylene/polyethylene, polyethylene ethylene vinyl acetate copolymer/polypropylene, LDPE/adhesive layer/EVOH/adhesive layer/LDPE, LDPE/adhesive layer/EVH/EVOH/EVOH/adhesive layer/LDPE. Kaurin kaurin kowane Layer za a iya daidaita ta hanyar fasahar ruwa. Ta hanyar daidaita kauri daga shingen shinge da amfani da kayan shinge, ana iya tsara fina-finai masu sassauƙa tare da kaddarorin shinge daban-daban. Hakanan za'a iya maye gurbin kayan wuta mai zafi da kuma daidaita don biyan bukatun kayan haɗi daban-daban. Wannan hadaddun kayan haɗi da yawa da multulenity shine babban shugabanci na ainihi don haɓaka kayan fim a nan gaba.
Multi Layer maragewa da tsarin fim
Multi Layer maragewa fim, ba tare da la'akari da yawan yadudduka ba, ana raba shi cikin Layer Layer, Layer Layer, Layer, da adhere Layer bisa aikin kowane Layer na fim.
Matakin asali
Gabaɗaya, yadudduka na ciki da na ciki na kayan fim ɗin yakamata su sami kyawawan kayan jiki da na injiniyan, aikin sarrafawa, da kuma seight secking Layer. Hakanan yana buƙatar samun kyakkyawan yanayin zafi da kuma aikin walƙiyar zafi, waɗanda suke da ƙarancin farashi, suna da kyakkyawan tallafi a cikin fim ɗin Haɗin kai, kuma suna da mafi girman m a cikin kayan aiki, kuma suna da mafi girman m a cikin kayan aiki na kayan aiki. Abubuwan da aka shirya sune pe Pe, PP, Eva, Pet, da Zab.
Layer
Aikin aiki naFim mai amfani da abinciMafi yawa shine Layer, yawanci a tsakiyar wani fim mai yawa-Layer Hillsiite sune Evoh da PVDC, PVDC, PVDC, PVDC, PV, kuma PVDC, PV, da PA, PA na yau da kullun suna da kayan shagwaye iri ɗaya, cikin kayan shinge.
Evoh (ethylene vinyl barasa copollymer)
Ethylene Vinyl barasa kwafar polymer abu ne mai polymer wanda ya haɗu da aikin phymer da kuma shingen gas na etmers barasa. Yana da m kuma yana da kyau mai sheki. Evoh yana da kyawawan kaddarorin shinge na gas da mai, elasticity, sa juriya, ƙarfin juriya, da ƙarfi na aiki, da kuma kyakkyawan ƙarfin aiki. Matsakaicin cikawa na EMOH ya dogara da abun cikin Ethylene. Lokacin da abun ciki na Ethylene yana ƙaruwa, wasan shafaffun gas yana raguwa, amma danshi ya haɓaka, kuma yana da sauƙi tsari.
Kayayyakin da aka kunshi tare da kayan emoh sun haɗa da kayan yaji, kayayyakin kiwo, samfuran nama, samfuran cuku, da sauransu.
PVDC (polyvincylidene chloride)
Polyvinylidene chloride (PVDC) polymer ne na Vinylidene chloride (1,1-DichlorEhylene). A bazuwar zazzabin zazzabi na mutum mai ban sha'awa yana ƙasa da narkewarsa, yana da wahala narke. Sabili da haka, a matsayin abu mai rufi, PVDC ɗan kasuwa ne na Vinylidene chloride da Vinyl chloride chloride da vinyl chloride chloride da vinyl chloride chloride da vinyl chloride chloride da vinyl chloride chloride da vinyl chloride chloride da vinyl chloride chllorion, wanda ke da kyakkyawan Airtlight, ƙwayoyin cuta mai kyau da kaddarorin sevides.
A farkon zamanin, ana amfani dashi don iyawar sojoji. A cikin shekarun 1950, an fara amfani dashi azaman fim na abinci, musamman tare da kayan aikin hada-hadar lantarki na zamani, da kuma faɗadarin abinci na zamani, da kuma faɗakarwar abinci na zamani, da kuma tsawaita abinci na zamani sun sanya aikace-aikacen PVDC sosai. Ana iya yin PVDC cikin fina-finai mai laushi, rage adadin kayan abinci da farashi mai rufi. Har yanzu yana shahara a yau
Ajiye Layer
Saboda rashin tausayi tsakanin wasu hanyoyin resins da kuma wajibi ne don sanya wasu yadudduka guda biyu don yin azaman manne kuma samar da fim ɗin hade da kayan haɗi. Layer na adhensive yana amfani da resin adhesove, wanda aka saba amfani da shi sun haɗa da polyolefin grafted tare da Maleic anhydride da Ethylene Vinyl Acetate copolymer (Ela).
Maleic anhydride grarted polyolefins
Maleic anhydride polyolefin an samar da shi ta graftdride a kan polyethylene ta hanyar ficewa, yana gabatar da kungiyoyin Polar a kan sarƙoƙi mara kyau. Yana da m tsakanin littattafan polar da kayan kwalliya kuma ana amfani dasu a fina-finai na polyolefins kamar su polypropylene da nailan.
Eva (ethylene vinyl acetate copollymer)
Eva tana gabatar da monyl acetate a cikin sarkar kwayoyin, rage crystallene kuma inganta subulility da sutturar sealther na fillers. Abubuwan da ke ciki daban-daban na ethylene da Vinyl Acetate a cikin kayan abu suna haifar da aikace-aikace daban-daban:
Maikunan Eva na Eva tare da Ethylene Acetaaddate abun ciki a ƙasa 5% sune adanar, fina-finai, wayoyi da igiyoyi, da sauransu;
M manyan samfuran Eva tare da abun ciki na Vinyl na 5% ~ 10% sune fina-finai na lantarki, da sauransu;
Main kayayyakin Eva tare da abun ciki na Vinyl Acetate na 20% ~ 28% suna da tsananin narke kayayyaki;
Maikaliyar samfuran Eva tare da abun ciki na Vinyl Acetate na 5% ~ 45% sune fina-finai (da zanen gona, allurar ciyarwa, da sauransu.
Lokaci: Jun-12-2024