Phinda uphenduleiingxowa zenziwe multi- umaleko obhityileyo ifilim imathiriyeli, ezo zomisiweyo okanye co extruded ukwenza ingxowa ubukhulu ethile. Izinto zokubunjwa zinokwahlulwa zibe ziindidi ezili-9, kunye nephendulaibhegi eyenziweyo kufuneka ikwazi ukumelana nobushushu obuphezulu kunye nobushushu obumanzi. Uyilo lwayo lwesakhiwo kufuneka luhlangabezane neemfuno zokutywinwa kakuhle kobushushu, ukumelana nobushushu, ukuxhathisa kwamanzi, amandla aphezulu, kunye nokusebenza komqobo ophezulu.
1. Ifilimu yePET
Ifilimu ye-BOPET yenziwe ngokukhupha i-PET resin ngefilimu ye-T kunye ne-biaxially stretching, eneempawu ezibalaseleyo.
(1) Ukusebenza kakuhle koomatshini. Amandla okuqina efilimu ye-BOPET yeyona nto iphakamileyo kuzo zonke iifilimu zeplastiki, kwaye iimveliso ezibhityileyo kakhulu zinokuhlangabezana neemfuno, ngobungqongqo obuqinileyo kunye nobunzima obuphezulu.
(2) Ukuchasana nokubanda okugqwesileyo kunye nobushushu. Uluhlu lweqondo lokushisa olusebenzayo lwefilimu ye-BOPET lusuka kwi-70 ukuya kwi-150 ℃, igcina iipropathi ezigqwesileyo zomzimba kuluhlu olubanzi lobushushu, iyenza ilungele uninzi lokupakishwa kwemveliso.
(3) Ukusebenza komqobo ogqwesileyo. Inomsebenzi ogqwesileyo obanzi wokumelana namanzi kunye negesi, ngokungafaniyo nenylon, echatshazelwa kakhulu kukufuma. Izinga layo lokumelana namanzi lifana ne-PE, kwaye i-coefficient yayo yokungena incinci kakhulu. Inomqobo ophezulu kumoya kunye nevumba, kwaye yenye yezinto ezigcina ivumba elimnandi.
(4) Ukumelana neekhemikhali, ukuxhathisa kweoli, kunye neninzi ye-solvents, i-acids dilute, i-alkalis edibeneyo, njl.
2. Ifilimu yeBOPA
Ifilimu ye-BOPA yifilimu yokwelula i-biaxial, enokufumaneka ngokuvuthela kunye ne-biaxial yolula ngaxeshanye. Ifilimu inokolulwa ngokuthe ngcembe nge-biaxially kusetyenziswa indlela ye-T-mold extrusion, okanye ngaxeshanye yolulwe nge-biaxially kusetyenziswa indlela yokubumba isivuthelo. Iimpawu zefilimu yeBOPA zezi zilandelayo:
(1) Ukuqina okugqwesileyo. Amandla okuqina, amandla okukrazula, amandla empembelelo, kunye namandla okugqabhuka kwefilimu yeBOPA zonke ziphakathi kwezona zinto zibalaseleyo phakathi kwezixhobo zeplastiki.
(2) Ukuguquguquka okugqwesileyo, ukuxhathisa umngxuma wenaliti, kunye nobunzima bokubhoboza iziqulatho luphawu oluphambili lwe-BOPA, kunye nokuguquguquka okuhle kunye nokuziva kakuhle kokupakishwa.
(3) Iipropati zomqobo ezilungileyo, ukugcinwa kwevumba elimnandi, ukuchasana okugqwesileyo kwiikhemikhali ngaphandle kwee-asidi ezinamandla, ngakumbi ukuxhathisa kweoli.
(4) Uluhlu lweqondo lokushisa lubanzi, kunye nendawo yokunyibilika kwe-225 ℃, kwaye ingasetyenziselwa ixesha elide phakathi kwe -60 ~ 130 ℃. Iimpawu zomatshini ze-BOPA zihlala zizinzile kumaqondo aphantsi kwaye aphezulu.
(5) Ukusebenza kwefilimu ye-BOPA kuchaphazeleka kakhulu ngumswakama, ngokukodwa ngokubhekiselele kwi-dimensional stability and barrier properties. Emva kokuba ifumile, ifilim ye-BOPA iqhelekile ukuya ecaleni, ngaphandle kokushwabana. Ukunciphisa ixesha elide, kunye nobude obuninzi be-1%.
3. Ifilimu ye-CPP
Ifilimu ye-CPP, ekwabizwa ngokuba yifilimu yepolypropylene ephosiweyo, yifilimu enganwebekiyo, engajongwanga yepolypropylene. Yahlulahlulwe kwi-homopolymer CPP kunye ne-copolymer CPP ngokwezinto ezibonakalayo. Eyona mathiriyeli ekrwada yokupheka ifilimu ye-CPP yebakala yibhloko ye-copolymer impact resistant polypropylene. Iimfuno zokusebenza zezi: iqondo lokuthambisa iqondo lobushushu le-Vicat kufuneka libe phezulu kunobushushu bokupheka, ukuchasana kwempembelelo kufuneka kube ngcono, ukuxhathisa okuphakathi kufuneka kube ngcono, kwaye iliso lentlanzi kunye nenqaku lekristale kufuneka libe mbalwa kangangoko kunokwenzeka.
4. Ifoyile yeAluminiyam
I-aluminium foil yodwa yodwa yensimbi yensimbi kwizinto zokupakisha ezithambileyo, ezisetyenziselwa ukupakisha izinto kunye nexesha elide lokufaka isicelo. Ifoyile yeAluminiyam yinto yentsimbi enokumelana nokungalinganiyo kwamanzi, ukuxhathisa kwegesi, ukukhuselwa kokukhanya, kunye neempawu zokugcinwa kwencasa xa kuthelekiswa nayo nayiphi na enye into yokupakisha. Yimpahla yokupakisha engenakutshintshwa ngokupheleleyo kuze kube namhlanje.
5. Ukwaleka kweCeramic evaporation
I-Ceramic vapor coating luhlobo olutsha lwefilimu yokupakisha, efumaneka ngokufunxa ii-oxide zetsimbi kumphezulu wefilimu yeplastiki okanye iphepha njenge-substrate kwisixhobo sokufunxa esiphezulu. Iimpawu zokugquma komphunga weceramic ikakhulu ziquka:
(1) Ukusebenza komqobo ogqwesileyo, phantse uthelekiseka nezinto ezixutywe nefoyile yealuminium.
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(3) Ukugcinwa kwevumba elilungileyo. Umphumo ufana nokupakishwa kweglasi, kwaye ayiyi kuvelisa nayiphi na iphunga emva kokugcinwa kwexesha elide okanye unyango oluphezulu lobushushu.
(4) Ubuhlobo obuhle bemekobume. Ubushushu obuphantsi bokutsha kunye nentsalela encinci emva kokutshiswa.
6. Ezinye iifilimu ezibhityileyo
(1) Ifilimu yePEN
Ubume be-PEN bufana ne-PET, kwaye ineempawu ezahlukeneyo ze-PET, kwaye phantse zonke iipropati zayo ziphezulu kune-PET. Ukusebenza okugqwesileyo okubanzi, ukomelela okuphezulu, ukumelana nobushushu obulungileyo, ukusebenza kakuhle komqobo, kunye nokungafihli. Ukumelana okubalaseleyo kwe-UV yeyona nto ibalaseleyo yePEN. Umqobo wePEN kumphunga wamanzi uphindwe kayi-3.5 kune-PET, kwaye umqobo wayo kwiigesi ezahlukahlukeneyo uliphinda kane kune-PET.
(2) ifilimu yeBOPI
I-BOPI inoluhlu olubanzi kakhulu lobushushu, ukusuka kwi -269 ukuya kuma-400 ℃. Ifilimu egqibe ukusabela ayinayo indawo yokunyibilika, kwaye iqondo lobushushu beglasi liphakathi kwama-360 ukuya kuma-410 ℃. Ingasetyenziswa ngokuqhubekayo emoyeni kwi-250 ℃ iminyaka engaphezu kwe-15 ngaphandle kotshintsho olubalulekileyo lokusebenza. I-BOPI inomsebenzi ogqwesileyo ogqibeleleyo, iipropathi eziphezulu zomzimba kunye noomatshini, ukuxhathisa kwimitha, ukuxhathisa ukunyibilika kweekhemikhali, ukuzinza komda, kunye nokuguquguquka kunye nokumelana nokusonga.
(3) Ifilimu ye-PBT
Ifilimu ye-PBT yenye yeefilimu ze-polyester ze-thermoplastic, ezibizwa ngokuba yi-butylene terephthalate film. Uxinaniso yi-1.31-1.34g/cm ³， Indawo yokunyibilika yi-225~228 ℃, kwaye iqondo lobushushu leglasi yi-22~25 ℃. Ifilimu ye-PBT ineempawu eziphezulu xa kuthelekiswa nefilimu ye-PET. I-PBT inokumelana nobushushu obugqwesileyo, ukumelana ne-oyile, ukugcinwa kwevumba elimnandi, kunye neempawu zokutywinwa kobushushu, kuyenza ilungele iingxowa zokupakisha ezisetyenziselwa ukuveliswa kokutya kwe-microwave. Ifilimu ye-PBT ineempawu ezintle zomqobo kwaye ingasetyenziselwa ukupakisha ukutya okunencasa. Ifilimu ye-PBT inokumelana nemichiza ebalaseleyo.
(4) ifilimu ye-TPX
Ifilimu ye-TPX yenziwa yi-copolymerization ye-4-methylpentene-1 kunye nenani elincinci le-2-olefin (3% ~ 5%), kwaye iplastiki ilula kakhulu kunye nobunzima obuthile be-0.83g / cm kuphela ³, Okunye ukusebenza kwakhona kakhulu. kuhle kakhulu. Ukongeza, i-TPX inokumelana nobushushu kwaye yeyona nto ikwazi ukumelana nobushushu phakathi kweepololefins. Inomgangatho wokunyibilika wecrystallization we-235 ℃, iipropathi ezilungileyo zoomatshini, imodyuli ephezulu yokuqina kunye nobude obuphantsi, ukuxhathisa okuqinileyo kweekhemikhali, ukuxhathisa kweoyile, ukuxhathisa okuphezulu kwi-asidi, ialkali, kunye namanzi, kunye nokuxhathisa uninzi lweehydrocarbons. Iyakwazi ukumelana namaqondo obushushu okunyibilikisa ukuya kutsho kuma-60 ℃, ukodlula zonke ezinye iiplastiki ezicacileyo. Inokukhanya okuphezulu kunye nokudluliselwa kwe-98%. Inkangeleko yayo icwengile, ihombise, kwaye inokungena ngamandla kwi-microwave.
Ukuba unayo naziphi na iimfuno isingxobo retort, ungaqhagamshelana nathi. Njengomenzi wokupakisha oguquguqukayo ngaphezulu kweminyaka engama-20, siya kubonelela ngezisombululo zakho ezifanelekileyo zokupakisha ngokweemfuno zakho zemveliso kunye nohlahlo lwabiwo-mali.
Ixesha lokuposa: Nov-04-2023
