Emva kokujongwa kweefilimu ze-BOPP, ngaba unokungaqondi kakuhle le mathiriyeli ubiquitous? Kule bhlog, sizakwenza nzulu ukuqonda kwethu kwizinto ezilungileyo nezingalunganga, ngaloo ndlela sijolise ngcono kwiimfuno zabathengi.
Yintoni ifilimu yeBOPP
Ifilimu ye -Biaxially Oriented Polypropylene (BOPP) iye yaliguqula ishishini lokupakisha ukusukela oko yaziswa kwiminyaka yoo-1970. Esi sixhobo sivelisa izinto ezintsha, solulwe ngoomatshini kunye nangesandla sisebenzisa iindlela zokuwela umkhombandlela, sinika indibaniselwano eyodwa yeepropathi eyenze ukuba ibe yimfuneko kwizicelo ezahlukeneyo.
Iimpawu eziphambili zeBOPP
engenambala kunye nevumba Indalo
okungeyotyhefu Ukwakheka
okulinganayo Ukuqina kunye nokuqina
okuchukumisayo kwempembelelo Ukuxhathisa
aphezulu Amandla okuqina (amaxabiso aqhelekileyo aqala kwi-130-300 MPa)
okungaqhelekanga Ukukhanya (ukuya kuthi ga kwi-90% yokuhanjiswa kokukhanya)
Ezi propati zibeke i-BOPP njengento eguquguqukayo kuwo wonke amashishini amaninzi, ukusuka ekupakishweni kokutya ukuya kwi-lamination yamalaphu.
Izinto eziluncedo zeBOPP Film
Iipropati Zomzimba
I-BOPP igqwesa ngamandla kunye nokuqina, inamandla okuqina anokufikelela kuthi ga kwi-300 MPa kwicala lomatshini. Ukubonakala kwayo kwekristale, kunye namazinga okuhambisa ukukhanya ukuya kwi-90%, kwandisa ukubonakala kwemveliso kwiishelufu zevenkile. Uzinzo lwefilimu luqinisekisa ukusebenza okufanayo kuzo zonke iinkqubo ezahlukeneyo, kunye namazinga okucutheka angaphantsi kwe-4% kwi-130°C.
Ukumelana ne-punctures kunye nokuqhekeka okuguquguqukayo kwenza i-BOPP ilungele ukupakishwa kokukhusela. Ngokomzekelo, ifilimu ye-BOPP ye-20-micron inokumelana ukuya kuthi ga kwi-130 g / 25 μm kwiimvavanyo zempembelelo yedart, ebonisa ukomelela kwayo kwizicelo zehlabathi zangempela.
Iipropati zeMichiza
I-BOPP isebenza njengesithintelo esoyikekayo ngokuchasene nokufuma, ungcoliseko, kunye neekhemikhali eziyingozi. Umyinge wokuhanjiswa komphunga wamanzi (WVTR) unokuba ngaphantsi njenge-4-5 g/m²/ngosuku kuma-38°C kunye ne-90% yokufuma okunxulumeneyo, oko kuyenza ibe lolona khetho lubalaseleyo kwiimveliso ezingevani nokufuma.
Ifilimu yokumelana neoli kunye negrisi, kunye namaxabiso aqhelekileyo angaphezulu kwe-7 kwisikali sovavanyo lweKit, yandisa ngakumbi ukusebenza kwayo. Ezi zakhiwo zenza i-BOPP ibe yinto ekhethekileyo yokukhetha ukupakishwa kokutya kunye nokusetyenziswa kwezoshishino, apho ukukhuselwa kwemveliso kubaluleke kakhulu.
IiNzuzo zokusiNgqongileyo
Kwihlabathi lanamhlanje eliqaphela indalo, iBOPP ikhanya ngeziqinisekiso zayo zokusingqongileyo:
Ukurisayikilisheka kwakhona : I-BOPP iwela phantsi kwekhowudi yokurisayikilishwa kwakhona #5 (PP), iyenza isetyenziswe ngokubanzi.
Ubunzima obukhaphukhaphu : Uxinaniso oluqhelekileyo malunga ne-0.90-0.92 g/cm³ lunegalelo ekunciphiseni ukukhutshwa kwezithuthi.
Imveliso eyonga amandla : Inkqubo yokuvelisa isebenzisa amandla amancinci xa kuthelekiswa nezinye izinto ezizezinye.
Uphononongo lokuhlola umjikelezo wobomi olwenziwa yi-European Polypropylene Film Manufacturers Association lufumene ukuba iifilimu ze-BOPP zine- 40% ye-carbon footprint ephantsi xa kuthelekiswa neefilimu ze-PET ezilinganayo.
Izinto eziluncedo kwezoQoqosho
I-BOPP ibonelela ngeenzuzo zeendleko ezibalulekileyo ngenxa yesivuno sayo esikhulu. Ukuxinana kwayo malunga ne-0.90-0.92 g/cm³ kubangela ifilimu engaphezulu ngeyunithi yobunzima xa kuthelekiswa nezinye ezifana nepolyester (ubuninzi ~1.4 g/cm³). Oku kuguqulela ukongiwa kweendleko kusetyenziso lwemathiriyeli kunye nokuthutha.
Ukwamkelwa kwehlabathi kuququzelela urhwebo lwamazwe ngamazwe olulula kunye nokuthumela ngenqanawa. Ngokweengxelo zemizi-mveliso, ummandla weAsia-Pacific ulawula imakethi ye-BOPP, ibalelwa ngaphezulu kwe-60% yomthamo wemveliso yehlabathi.
Ukuguquguquka
Ukuguquguquka kweBOPP kubonakala kuluhlu lwayo lokugqitywa olukhoyo:
| Gqibezela Uhlobo |
lweeYunithi zeglosi eziQhelekileyo (45°) |
Usetyenziso oluqhelekileyo. |
| Iglosi ephezulu |
>90 |
Ukupakishwa okunethezeka |
| Umgangatho |
70-90 |
iinjongo jikelele |
| Matte |
<40 |
Iileyibhile ezingezizo ilitha |
| Silky |
40-70 |
Iziphumo zokuchukumisa okuthambileyo |
Olu didi lubonelela kwiimfuno ezahlukeneyo zobuhle kunye nokusebenza komsebenzi kuwo wonke amashishini, ukusuka ekupakishweni kokutya ukuya kwizithambiso zomgangatho ophezulu.
IiNzuzo zokuSebenza
I-BOPP iyagqwesa kwimiba eyahlukeneyo yokusebenza:
| yeNdlela yokuSebenza |
Inkalo yeNzuzo |
amaxabiso aqhelekileyo |
| Isantya Soshicilelo |
Phezulu |
Ukuya kuthi ga kwi-300 m / min |
| Ukumelana ne-UV |
Egqwesileyo |
<5% yellowing emva 1000 iiyure |
| Intlawulo yombane |
Phantsi |
<2 kV ukumelana nomphezulu |
Ezi mpawu zenza i-BOPP ilungele indawo yemveliso enesantya esiphezulu kunye nezicelo zangaphandle.
Ukungalungi kwefilimu yeBOPP
Imiba yokutywina
Iipropati zokutywinwa ezilambathayo zeBOPP zinokuba yingxaki kwizicelo zokupakisha ezithile. Amandla okutywinwa kobushushu obuqhelekileyo aqala kwi-200-400 g/25 mm, esezantsi xa kuthelekiswa nezinye iifilimu. Lo mda kaninzi ufuna unyango olongezelelweyo okanye iingubo zokwaleka ukuphucula ukutywinwa, okunokuthi kunyuse iindleko zemveliso.
IiNgxaki zaMandla oMphezulu
Amandla aphantsi komhlaba (ngokuqhelekileyo i-29-31 mN / m) ikhokelela kwimingeni kwi-inki yokubambelela. Oku kubangela ukuba kumgangatho ophantsi woshicilelo, odinga unyango olungaphezulu ngaphambi kweenkqubo zoshicilelo. Unyango lweCorona lunokonyusa amandla angaphezulu ukuya kuma-38-42 mN/m, kodwa esi siphumo siyehla ngokuhamba kwexesha.
Ubume beCrystalline
ye-BOPP Ubume be-crystalline ephezulu (ngokuqhelekileyo i-60-70% crystallinity) inokubangela:
Le miba inokuchaphazela inkangeleko yefilimu kunye nokusebenza kwayo kwizicelo ezithile, ngakumbi apho ukucaca okubonakalayo kubalulekile.
Umbane ongatshintshiyo
Imveliso enesantya esiphezulu ihlala ivelisa umbane omileyo kwiifilimu zeBOPP, kunye nokumelana nomphezulu okunokufikelela kwi-10¹⁶ Ω/sq. Oku kufuna ukuba kuphunyezwe iinkqubo zokususa ezimile ngexesha lokuvelisa, ukongeza ubunzima kunye neendleko kwimigca yokuvelisa.
Usetyenziso lweFilimu yeBOPP
Ishishini lokuPakisha
I-BOPP ilawula ukupakishwa kokutya ngenxa yeempawu zayo ezintle zokuthintelwa kunye nokucaca. Isetyenziselwa:
Izisongelo zesnack (umzekelo, iitshiphusi zetapile, iiconfectionery)
Iileyibhile zesiselo
Iingxowa zemveliso entsha
Imakethi yefilimu yokupakishwa kokutya yehlabathi, ubukhulu becala iqhutywa yi-BOPP, yayixabisa i -37.5 yeebhiliyoni zeedola ngo-2020 kwaye kulindeleke ukuba ifikelele kwi -53.9 yeebhiliyoni zeedola ngo-2026.
Ukuprintwa kunye neLamination
Ifilim iyagqwesa kwizicelo ezahlukeneyo zoshicilelo: Ireyithi yokuKhula
| yeSicelo |
kweSabelo seMarike |
(CAGR) |
| Amaqweqwe eencwadi zokufunda |
15% |
4.5% |
| Iimagazini ezisongayo |
20% |
3.8% |
| Iileyibhile zemveliso |
25% |
5.2% |
Ukusetyenziswa okukhethekileyo
I-BOPP ifumana usetyenziso olulodwa kwi:
Ukufakwa kombane (amandla edielectric: 200-300 kV/mm)
Iiteyiphu ezincamathelayo (i-peel adhesion: 15-20 N/25mm)
Ukupakishwa kweentyatyambo (izinga lokuhanjiswa komphunga wokufuma: 4-5 g/m²/ngosuku)
Ukuguquguquka kwayo kuyaqhubeka nokuvula iimarike ezintsha, kunye necandelo lefilimu ye-BOPP ekhethekileyo ekhula kwi-CAGR ye-7.2%.
Uphuculo kunye noHlengahlengiso
Ukoyisa imida, iBOPP ifumana unyango olwahlukeneyo:
Unyango lweCorona : Yandisa amandla angaphezulu ukuya kuma-38-42 mN/m
Unyango lwePlasma : Ukuzuza amandla angaphezulu ukuya kuthi ga kwi-50 mN/m
Topcoatings : Ukuphucula ukuprintwa kunye nokutywinwa
Ezi nkqubo ziphucula iimpawu zokubambisana kunye nokusebenza ngokubanzi, kunye neefilimu eziphathwayo ezibonisa ukuya kwi-50% yokuphucula kwi-inki yokubambelela.
Imidibaniso yomaleko oluninzi idibanisa iBOPP nezinto ezifana nePE, PO, PT, kunye neLDPE. Oku kukhokelela kwiipropati eziphuculweyo:
| lwePropati |
uPhuculo |
| Ukumelana nobushushu |
Ukuya kuthi ga kwi-140°C (ukusuka kwi-120°C) |
| Umqobo wokufuma |
I-WVTR yehliswe nge-50% |
| Ukungangeni kwerhasi |
O₂ izinga losulelo <10 cc/m²/ngosuku |
Ukuthelekisa nezinye iifilimu
I-BOPP igqwesa ezinye iindlela ezininzi:
| Umba |
weBOPP |
PET |
LDPE |
| Isivuno (m²/kg nge 25μm) |
44.4 |
28.6 |
42.6 |
| Ixabiso (isihlobo) |
1.0 |
1.2 |
0.9 |
| Ukungafihli (% ukuhanjiswa kokukhanya) |
90-92 |
88-90 |
88-90 |
| Isithintelo sokufuma (g/m²/ngosuku kwi-38°C, 90% RH) |
4-5 |
15-20 |
12-15 |
Olu thelekiso luqaqambisa ukhuphiswano lweBOPP kwimakethi yefilim, ngakumbi malunga nesivuno kunye neempawu zokuthintela ukufuma.
Ukuqukumbela
Ifilimu ye-BOPP ibonisa iphakheji enyanzelisayo yeenzuzo nangona kukho iingxaki. kwayo Ukuguquguquka , kweendleko-ukusebenza , kunye nobuhlobo bendalo bubeka njengokhetho oluphambili ekupakisheni nangaphaya. Imakethi ye-BOPP yehlabathi kulindeleke ukuba ikhule kwi-CAGR ye-6.9% ukusuka ngo-2021 ukuya ku-2026, ebonisa ukuzithemba okuqinileyo kwikamva layo.
Uphando oluqhubekayo kunye nophuhliso luthembisa ukujongana nemida yangoku, okunokubakho ukwandisa izicelo zeBOPP ngakumbi. Ukwenziwa kwezinto ezintsha kwi- nanotechnology kunye ne -bio-based polypropylene kusenokwenzeka ukuba ziphucule iipropathi ze-BOPP kwaye zoyise imingeni ekhoyo.
Ngaba unobunzima bokukhetha ifilimu yeBOPP efanelekileyo kwiiprojekthi zakho? Silapha ukunceda. Iingcali zethu zilungele ukunika iingcebiso kunye nenkxaso oyifunayo ukuze ukhethe izinto ezifanelekileyo kuwo nawuphi na umsebenzi. Qhagamshelana nathi ukuphumeza impumelelo!
Ii-FAQs
1. Ziziphi iingenelo eziphambili zefilimu yeBOPP?
Impendulo: Ifilimu ye-BOPP inika ukucaca okugqwesileyo, ukomelela okuphezulu kokuqina, iipropathi ezilungileyo zokuthintela ukufuma, kunye nokusebenza kakuhle kweendleko. Ikwakhaphukhaphu, inokuphinda isetyenziswe, kwaye iyaguquguquka kwizicelo zayo.
2. Ngawaphi amashishini asebenzisa ifilimu yeBOPP ngokuyintloko?
Impendulo: Ifilimu yeBOPP isetyenziswa kakhulu kwi:
Ukupakishwa kokutya
I-Lamination ye-Lamination
Ukuprintwa kunye nokuleyibheli
Ukwenziwa kweteyiphu encamathelayo
Ukugquma kombane
3. Ifilimu yeBOPP ithelekisa njani nezinye izinto zokupakisha ngokwempembelelo yokusingqongileyo?
Impendulo: Ifilimu ye-BOPP ine-carbon footprint ephantsi xa kuthelekiswa neefilimu ze-PET kwaye iphinda isetyenziswe. Ubume bayo obukhaphukhaphu bukwanegalelo ekunciphiseni ukukhutshwa kwezinto zokuhamba. Nangona kunjalo, njengazo zonke iiplastiki, ukuchithwa okungafanelekanga kunokukhokelela kwimiba yokusingqongileyo.
4. Ziziphi iingxaki eziphambili zokusebenzisa ifilimu yeBOPP?
Impendulo: Izinto ezingeloncedo eziphambili ziquka:
Iimpawu zokutywinwa kobushushu obungalunganga
Amandla aphantsi komhlaba, akhokelela kumngeni wokushicilela
Ukubanakho ukwakhiwa kombane omileyo
Ukumelana nobushushu obuncinci
5. Ngaba ifilimu yeBOPP ingasetyenziselwa ukupakishwa kokutya?
Impendulo: Ewe, ifilimu yeBOPP isetyenziswa kakhulu ekupakishweni kokutya ngenxa yeempawu zayo ezibalaseleyo zokuthintela ukufuma, ukucaca, kunye nendalo engasebenziyo. Ithandwa kakhulu kukutya okune-snack, i-confectionery, kunye nokupakishwa kwemveliso entsha.
6. Ifilimu ye-BOPP yenza njani malunga nokuprintwa?
Impendulo: Ifilimu ye-BOPP engaphathwanga inokuprintwa kakubi ngenxa yamandla ayo aphantsi komhlaba. Nangona kunjalo, unyango olungaphezulu olufana nokukhutshwa kwe-corona okanye ukusetyenziswa kweengubo kunokuphucula ngokubonakalayo ukwamkelwa kwayo kokushicilela.
7. Ngaba ifilimu yeBOPP ineendleko ezifanelekileyo xa kuthelekiswa nezinye iindlela?
Impendulo: Ngokubanzi, ewe. Ifilimu ye-BOPP inikeza ibhalansi efanelekileyo yokusebenza kunye neendleko. Ukuxinana kwayo okuphantsi kubangela ifilimu engaphezulu kubunzima beyunithi nganye xa kuthelekiswa nezinye izinto ezifana ne-PET, ezinokukhokelela ekongiweni kweendleko zokusetyenziswa kwezinto kunye nokuthutha.
