Ukuze unwebe impilo yeshelufu yezinto ezifana nokudla nezidakamizwa, eziningiIzinto zokupakishaNgokudla nezidakamizwa kulezi zinsuku zisebenzisa amafilimu ahlanganisiwe ahlukahlukene ahlanganisiwe. Njengamanje, kukhona ezimbili, ezintathu, ezinhlanu, eziyisikhombisa, eziyisishiyagalolunye, nezingxenye eziyishumi nanye zezinto zokufaka ezihlanganisiwe. Ifilimu eliphakeme lokufaka i-Multiser Film yifilimu emincane eyakhiwa ngokukhipha izinto eziningi zokusetshenziswa kwepulasitiki ezingxenyeni eziningi ngasikhathi sinye kusuka ekuvulekeni okukodwa okubumba, okungavuselela izinzuzo zezinto ezahlukahlukene
Ungqimba oluningiUkupakisha Ifilimu Rollzihlanganiswa ikakhulukazi inhlanganisela ye-polyoleffem. Njengamanje, izakhiwo ezisetshenziswa kakhulu zifaka phakathi: Polyethylene / Polyethylene, Polyethylene, Polyethylene Ethylene Vinyl acetate copolymer / polypropylene, ldpe / adhesive ureyer / adhesive adphere / adhesive adphe / voh / evoh / voh / evoh / voh / evoh / ldpe. Ubukhulu besendlalelo ngalunye bungashintshwa ngobuchwepheshe bokukhishwa. Ngokushintsha ubukhulu bengqimba ye-barriers kanye nokusebenzisa izinhlobonhlobo zezinto zokubopha, amafilimu aguqukayo anezakhiwo ezihlukile zesithiyo angaklanywa. Izinto zokwenziwa okushisa ukushisa zingaba nezinguquko eziguquguqukayo futhi ziguqulwe ukuze zihlangabezane nezidingo zokupakishwa okuhlukile. Le nhlanganisela ye-Multi-ungqimba kanye ne-Multifunckal Packal Composite iyindlela esetshenziswayo yokuthuthukiswa kokupakisha izinto zefilimu ngokuzayo.
Amaphakethe we-Multi ungqimba ahlanganisiwe ukwakheka kwefilimu
Ifilimu elihlanganisiwe le-Multi
Izinga eliyisisekelo
Ngokuvamile, izingqimba zangaphakathi nezangaphandle zamafilimu ahlanganisiwe kufanele abe nezindawo ezinhle zomzimba nezemishini, ezakha ukusebenza kwezokucubungula, kanye nongqimba lokuvalwa kokushisa. Kudinga futhi ukuthi kube nokusebenza okuhle kokushisa nokusebenza okushisayo kwe-welding, okuyindleko ephansi, kube nemiphumela emihle yokusekelwa kanye nemiphumela yokubuyiselwa efilimu elisebenzayo, futhi ube nesilinganiselo esiphezulu kwifilimu eyinhlanganisela. Izinto zokwakha izisekelo ikakhulukazi, i-pp, eva, pet, ne-PS.
Ungqimba olusebenzayo
Ungqimba olusebenzayo lweIfilimu yokupakisha yokudlaIsendlalelo esikhulu kunazo zonke, imvamisa maphakathi nefilimu eyinhlanganisela ehlukahlukene, ikakhulukazi isebenzisa izithiyo ezinjenge-Evoh, Pvdc, PVA, PEC, njll.
Evoh (ethylene vinyl apobity copolymer)
I-Ethylene Vinyl Alcohol Copolymer iyinto ebonakalayo ye-polymer ehlanganisa ukuqina kwama-polymer we-ethylene kanye nezakhiwo zesithiyo segesi ye-Ethylene Alcohol allmers. Kusobala kakhulu futhi kune-gloss enhle. U-Evoh unezindawo ezinesithiyo esihle kakhulu zamagesi namafutha, ngamandla amahle kakhulu okwenziwa, ukuqina, ukumelana, ukumelana nokubandakanyeka, nokusebenza okuhle kakhulu, nokusebenza okuhle kakhulu. Ukusebenza kwesithiyo sika-Evoh kuya ngokuqukethwe kwe-ethylene. Lapho okuqukethwe kwe-ethylene kukhula, ukusebenza ngokuvilapha kwegesi kuyancipha, kepha ukusebenza komswakama kuyakhuphuka, futhi kulula ukucubungula.
Imikhiqizo ehlanganiswe ngezinto zokwakha i-Evoh ifaka phakathi izifiso, imikhiqizo yobisi, imikhiqizo yenyama, imikhiqizo yoshizi, njll.
I-PVDC (Polyvinylidene Chloride)
I-Polyvinylidene Chloride (PVDC) iyi-polymer yeVinylidene Chloride (1,1-Dichloroethylene). Ukushisa okuvumayo kwe-Homopolymer PVDC kuphansi kunendawo yayo yokuncibilika, okwenza kube nzima ukuncibilika. Ngakho-ke, njengezinto ezifakiwe, i-PVDC iyi-copolymer yeVinylidene Chloride neVinyl Chloride, enobuhlakani obuhle, ukumelana nokugqwala, ukuphrinta okuhle nokushisa nokushisa kwezakhiwo.
Ezinsukwini zokuqala, yayisetshenziselwa ikakhulukazi ukufakwa kwezempi. Ngawo-1950s, kwaqala ukusetshenziswa njengefilimu yokulondolozwa kokudla, ikakhulukazi ekuthuthukisweni okusheshayo kobuchwepheshe besimanjemanje kanye nokuphapha okusheshayo kwempilo, kanye nokuchithwa kwe-microwave cookware, kanye nokuchithwa kwezidakamizwa kwe-microwave, nokunwetshwa kwezidakamizwa kwenze isicelo sePVDC sithandwa kakhulu. I-PVDC ingenziwa ngamafilimu we-Ultra-mncane, anciphise inani lezinto zokwakha kanye nezindleko zokupakisha. Kusaziwa namuhla
Ungqimba olunamathela
Ngenxa yobumbano obungebuhle phakathi kwamanye ama-base resins nama-resin asebenza ngokusebenza, kuyadingeka ukubeka ezinye izingqimba ezinamathela phakathi kwalezi zingqimba ezimbili ukwenza njenge-glue futhi kwakha ifilimu eyinhlanganisela ehlanganisiwe. Ungqimba olunamatheyisi lusebenzisa i-adhesive resin, esetshenziswa ngokujwayelekile kufaka phakathi i-polyolefin okufakwe nge-anhydride ne-ethylene vinyl acetate copolymer (EVA).
Ama-polyolefins ahlanganisiwe we-anhydrided
I-MALEIC AMHYDRDIDE FALDDRED FALDDRED FRADTY ngokuxhunyelelwa i-Anhydride e-Polyethylene ngokukhishwa okusebenzayo, ukwethula amaqembu aseceleni ama-polar kumaketanga angewona ama-polar. Kungukunamathela phakathi kwezinto ezinamakhaza nezinto ezingezona ze-polar futhi kuvame ukusetshenziswa kumafilimu ahlanganisiwe ama-polyolefin afana ne-polypropylene ne-nylon.
U-Eva (Ethylene Vinyl Acetate Copolymer)
U-Eva wethula i-Vinyl acetate monomer ku-chain molecular, enciphisa i-crystaltaltity ye-polyethylene kanye nokwenza ngcono ukusebenzisana nokusebenza uphawu okushisayo kwama-filler. Okuqukethwe okuhlukile kwe-ethylene ne-vinyl acetate ezintweni zokwakha kuholela ekusetshenzisweni okuhlukile:
① Imikhiqizo esemqoka ye-EVA enokuqukethwe kwe-Ethylene Acetate engezansi kwe-5% kuyizinamathiseli, amafilimu, izintambo nezintambo, njll;
② Imikhiqizo esemqoka ye-EVA enokuqukethwe kwe-vinyl acetate ka-5% ~ 10% amafilimu anwebekile, njll;
③ Imikhiqizo esemqoka ye-EVA enokuqukethwe kwe-vinyl acetate ka-20% ~ 28% izinamathiseli ezishisayo ezishisayo kanye nemikhiqizo ehlanganisiwe;
④ Imikhiqizo esemqoka ye-EVA enokuqukethwe kwe-vinyl acetate ye-5% ~ 45% amafilimu (kufaka amafilimu ezolimo) namashidi, imikhiqizo evunyisiwe, imikhiqizo yegwebu, njll.
Isikhathi sePosi: Jun-12-2024