Ifilimu yePlastiki njengento yokuprinta, iprintwa njengengxowa yokupakisha, inokukhanya kunye nokungafihli, ukumelana nokufuma kunye nokumelana ne-oksijini, ukuqina komoya okulungileyo, ukuqina kunye nokumelana nokusonga, indawo egudileyo, inokukhusela imveliso, kwaye inokuvelisa kwakhona imilo imveliso, umbala kunye nezinye iingenelo.Ngokuphuhliswa kweshishini le-petrochemical, iintlobo ezininzi zefilimu yeplastiki, ifilimu yeplastiki esetyenziswa ngokuqhelekileyo i-polyethylene (PE), i-polyvinyl chloride (PVC), i-polystyrene (PS), ifilimu ye-polyester (i-PET), i-polypropylene (PP), i-nylon (PA) kwaye nangokunjalo.Ukongeza, zininzi ezinye iintlobo zefilimu yeplastiki, umenzi wokupakisha oguquguqukayo weShunfa ucinga ukuba kuyimfuneko ukuqonda iimpawu zefilimu yeplastiki phambi kweengxowa zokupakisha zesiko.Zihlelwe ngokukodwa iimpawu ze-11 yeentlobo zefilimu yeplastiki phantsi kwebhegi yokupakisha kwireferensi yakho.
1. Polyvinyl chloride (PVC)
Iingenelo zefilimu ye-PVC kunye ne-PET ziyafana, kwaye ziyafana neempawu zokungafihli, ukuphefumla, ukuxhathisa kwe-asidi kunye ne-alkali.Iingxowa ezininzi zokutya kwangaphambili zenziwe ngeengxowa zePVC.Nangona kunjalo, i-PVC inokukhulula i-carcinogens ngenxa ye-polymerization engaphelelanga ye-monomers kwinkqubo yokuvelisa, ngoko ayifanelekanga ukuzalisa izinto zebakala lokutya, kwaye ezininzi zitshintshile kwiingxowa zokupakisha ze-PET, ukuphawula isimboli sezinto eziphathekayo nguNombolo wesi-3.
2. Ipolystyrene (PS)
Ukufunxwa kwamanzi kwefilimu ye-PS kuphantsi, kodwa ukuzinza kwayo komgangatho kungcono, kwaye inokucutshungulwa ngokudubula kufa, ukucofa ukufa, ukukhupha kunye ne-thermoforming.Ngokubanzi, yahlulahlulwe yaziindidi ezimbini ezinogwebu kunye nokungaphumi gwebu, ngokokuba idlulile na kwinkqubo yogwebu.I-PS engenagwebu isetyenziswa ikakhulu kwizinto zokwakha, izinto zokudlala, izinto zokubhala, njl. njl., kwaye inokwenziwa ngokuqhelekileyo kwizikhongozelo ezizaliswe ziimveliso zobisi ezivundisiweyo, njl.njl. Kwiminyaka yakutshanje, ikwasetyenziswa ngokubanzi ekwenzeni itafile elahlayo, kunye nesimboli semathiriyeli. yiNombolo yesi-6.
3. Iipolypropylene (PP)
Ifilimu ye-PP eqhelekileyo ithatha ukubunjwa kokuvuthela, inkqubo elula kunye neendleko eziphantsi, kodwa ukusebenza kwe-optical kuphantsi kancinci kune-CPP kunye ne-BOPP.Eyona nto inkulu yePP kukumelana nobushushu obuphezulu (malunga -20 ° C ~ 120 ° C), kwaye indawo yokunyibilika iphezulu njenge-167 ° C, ilungele ukuzalisa ubisi lwesoya, ubisi lwerayisi kunye nezinye iimveliso ezidinga ukubulawa kweentsholongwane ngomphunga. .Ubunzima bayo buphezulu kune-PE, esetyenziselwa ukuvelisa ii-caps ze-container, kunye nesimboli sezinto eziphathekayo nguNombolo 5. Ngokuqhelekileyo, i-PP inobunzima obuphezulu, kwaye ubuso bucwebezela ngakumbi, kwaye awuvelisi iphunga elimnandi xa litshisa, ngelixa i-PE inevumba lekhandlela elinzima.
4. Ifilimu yePolyester (PET)
Ifilimu yePolyester (PET) yiplastiki yobunjineli be-thermoplastic.Imathiriyeli yefilim ebhityileyo eyenziwe ngeshiti elishinyeneyo ngendlela ye-extrusion kunye ne-bidirectional stretching.Ifilimu yePolyester ibonakaliswe ngeempawu ezibalaseleyo zoomatshini, ubulukhuni obuphezulu, ubulukhuni kunye nokuqina, ukumelana nokugqobhoza, ukumelana nokukhuhlana, ukumelana nobushushu obuphezulu kunye obuphantsi, ukumelana neekhemikhali, ukumelana neoyile, ukuxinana komoya kunye nokugcinwa kwevumba elimnandi, yenye yezona zinto zixhaphakileyo zisetyenziswayo ukumelana nokunyamezela. ii-substrates zefilimu, kodwa ukuxhathisa kwe-corona kubi, ixabiso liphezulu.Ubukhulu befilimu ngokuqhelekileyo yi-0.12mm, esetyenziswa ngokuqhelekileyo njengempahla yangaphandle yesikhwama sokupakisha sokupakisha, kwaye ukuprintwa kulungile.Phawula isimboli yezinto eziphathekayo 1 kwimveliso yeplastiki.
5. Inayiloni (PA)
Ifilimu yeplastiki yenayiloni (i-polyamide PA) okwangoku imveliso yemveliso yeentlobo ezininzi, apho iintlobo eziphambili ezisetyenziselwa ukuvelisa ifilimu ziyi-nylon 6, inayiloni 12, inayiloni 66 njalo njalo.Ifilimu enayiloni yifilimu enzima kakhulu, ekuhleni kakuhle, kwaye inokukhanya okuhle.Amandla okuqina, amandla okuqina, ukumelana nobushushu obuphezulu kunye nobuphantsi, ukumelana ne-oyile, ukuxhathisa kwe-solvent, ukuxhathisa ukunxitywa kunye nokumelana ne-puncture kuhle kakhulu, kwaye ifilimu ithambile, inamandla okumelana neoksijini, kodwa umqobo womphunga wamanzi ubi, ukufunxa ukufuma, ukufuma ukungena kukhulu, kwaye ukutywinwa kobushushu kubi.Ilungele ukupakishwa kwempahla enzima, njengokutya okunamafutha, ukutya okuqhotsiweyo, ukupakisha ukutya okufunxayo, ukupheka ukutya, njl.
6. I-Polyethylene yoXinano oluPhezulu (HDPE)
Ifilimu ye-HDPE ibizwa ngokuba yi-geomembrane okanye ifilimu engenamanzi.Indawo yayo yokunyibilika imalunga ne-110℃-130℃, kwaye ukuxinana kwayo kungama-0.918-0.965kg/cm3.Ngaba i-crystallinity ephezulu, i-non-polar thermoplastic resin, inkangeleko ye-HDPE yasekuqaleni inobisi olumhlophe, kwi-cross-section encinci yeqondo elithile lokuguquguquka.Inokumelana kakuhle nobushushu obuphezulu kunye nobushushu obuphantsi kunye nokuchasana nempembelelo, nakwi -40F ubushushu obuphantsi.Uzinzo lwalo lwekhemikhali, ukuqina, ukuqina, amandla omatshini, iipropathi zamandla ezikrazula zigqwesile, kwaye ngokunyuka koxinzelelo, iipropathi zoomatshini, iipropathi zomqobo, amandla okuqina kunye nokumelana nobushushu ziya kuphuculwa ngokufanelekileyo, zinokuxhathisa iasidi, ialkali, izinyibilikisi zendalo kunye nezinye. umhlwa.Isazisi: ubukhulu becala ayicacanga, ivakala ngathi ngumthwebeba, ingxowa yeplastiki ehlikihlwayo okanye ihlikihlwa xa urhashaza.
7. IPolyethylene yoXinano oluPhantsi (LDPE)
Ubuninzi befilimu ye-LDPE iphantsi, ithambile, iphantsi ukumelana nobushushu, ukuxhathisa impembelelo ukuzinza kweekhemikhali kulungile, phantsi kweemeko eziqhelekileyo i-asidi (ngaphandle kwe-acid oxidizing eyomeleleyo), i-alkali, i-corrosion yetyuwa, kunye nokufakelwa kombane okulungileyo.I-LDPE isetyenziswa kakhulu kwiingxowa zeplastiki, ukuphawula isimboli sezinto eziphathekayo nguNombolo 4, kwaye iimveliso zayo zisetyenziswa kakhulu kubunjineli boluntu kunye nezolimo, ezifana ne-geomemofilm, ifilimu yezolimo (ifilimu echithwe, ifilimu ye-mulch, ifilimu yokugcina, njl.).Uchongo: Ingxowa yeplastiki eyenziwe nge-LDPE ithambile, iyarhaxa kancinci xa ixova, ifilim yeplastiki yokupakishwa yangaphandle ithambile kwaye kulula ukuyikrazula i-LDPE, kwaye i-brittle kwaye ilukhuni ngakumbi ifilimu yePVC okanye yePP.
8. Utywala bePolyvinyl (PVA)
Polyvinyl alcohol (PVA) high barrier composite film yifilim enepropathi yesithintelo esiphezulu esenziwe ngokugquma ulwelo oluguquliweyo olunyibilikayo lwepolyvinyl yotywala kwisubstrate yeplastiki yepolyethylene.Ngenxa yokuba ifilimu edibeneyo yesithintelo esiphezulu se-polyvinyl alcohol inezakhiwo ezintle zomqobo kwaye ihlangabezana neemfuno zokukhuselwa kwendalo, ithemba lemarike yale nto yokupakisha liqaqambile kakhulu, kwaye kukho indawo yentengiso ebanzi kushishino lokutya.
9. Ukuphosa ifilimu yepolypropylene (CPP)
Ifilimu yokuphosa i-polypropylene (CPP) luhlobo lwefilimu engabonakaliyo e-flat extrusion engabonakaliyo, ekhutshwe yi-melt casting quench cooling.Ibonakaliswa ngesantya sokuvelisa ngokukhawuleza, isivuno esikhulu, ukucaca kwefilimu, isilungiseleli seglosi, isithintelo sepropathi, ukuthamba, ukufana kobungqingqwa kulungile, inokumelana nokupheka kobushushu obuphezulu (ubushushu bokupheka obungaphezulu kwe-120 ° C) kunye nokutywinwa kobushushu obuphantsi (ubushushu bokuvalwa kobushushu obungaphantsi kwe 125 ° C), ibhalansi yokusebenza igqwesile.Umsebenzi wokulandelela onjengokushicilela, i-composite ilungele, isetyenziswe ngokubanzi kwiingubo, ukutya, ukupakisha iimfuno zemihla ngemihla, ukwenza i-substrate yangaphakathi yokupakishwa kwe-composite, inokwandisa ubomi beshelufu yokutya, ukwandisa ubuhle.
10. Ifilimu ye-polypropylene ye-Bidirectional (BOPP)
Ifilimu ye-Biaxial polypropylene (BOPP) yimpahla yokupakisha eguquguqukayo ecacileyo eyaphuhliswa kwiminyaka yoo-1960, engumgca okhethekileyo wokuvelisa ukuxuba izinto eziluhlaza ze-polypropylene kunye nezongezo ezisebenzayo, zinyibilike kwaye zixube, zenze amaphepha, kwaye emva koko wenze ifilimu ngokusolula.Le filimu ayinayo nje inzuzo yoxinano oluphantsi, ukuxhathisa ukubola kunye nokuchasana nobushushu obuhle be-PP resin yasekuqaleni, kodwa ineempawu ezintle ze-optical, amandla omatshini aphezulu, imithombo ecebileyo yezinto eziluhlaza, iipropati ezigqwesileyo zokushicilela, kwaye zinokudibaniswa nephepha, PET kunye nezinye substrates.Ngenkcazo ephezulu kunye neglosi, ukufunxa okugqwesileyo kwe-inki kunye nokuncamatheliswa kokunamathela, ukomelela okuphezulu kokuqina, iipropathi ezigqwesileyo zokuthintela ioyile, iimpawu ezisezantsi ze-electrostatic.
11. Ifilimu eyenziwe ngesinyithi
Ifilimu yentsimbi ineempawu zefilimu yeplastiki kunye nentsimbi.Indima ye-aluminiyam yokubeka phezu komphezulu wefilimu kukuthintela ukukhanya kunye nokuthintela ukukhanya kwe-ultraviolet, eyandisa ubomi beshelufu yezinto eziqulethweyo kwaye iphucula ukuqaqamba kwefilimu, ithathe indawo yefoyile ye-aluminium ukuya kumlinganiselo othile, kwaye nayo inexabiso eliphantsi, iipropathi ezintle nezilungileyo zomqobo.Ke ngoko, ifilimu enesinyithi isetyenziswa kakhulu kwipakethe edibeneyo, isetyenziswa ikakhulu kwiibhiskithi kunye nokunye okomileyo, ukupakishwa kokutya okukhukhumeleyo, amayeza kunye nokupakishwa kwezithambiso.
Ixesha lokuposa: Jul-19-2023