I-PE Coating vs PLA Coating vs Uncoated Cupstock: Amandla Okushisa kanye Nedatha Yokubola Kwabakhi Bendebe Yekhofi

Imiphumela Yokuhlolwa Kwesivalo Sokushisa Emihlanu Kuzo Zonke Izinketho Zokumboza Ezintathu

Imiphumela emihlanu yokuhlolwa engezansi iqoqwe emgqeni wendebe yokukhiqiza emshinini wokugaya osebenzisana neBincheng phakathi kuka-2024 no-2025. Zonke izibonelo zisebenzise ibhodi lesisekelo le-pulp eliyi-280 gsm virgin wood; kuphela ukugqoka okwahlukahluka. Amandla okuvala ukushisa alinganiswa ekushiseni kwe-seal okungu-150°C, ingcindezi ye-seal engu-0.3 MPa, kanye nesikhathi sokuhlala semizuzwana engu-1.5, okuyiwindi lokusebenza elijwayelekile lemigqa yokwenza indebe yesivinini esiphakathi.

Isethi yedatha iveza ngokucacile ukuhweba okuyinhloko. I-PE single-side coated cupstock inikeza amandla aphezulu kakhulu okuvala ukushisa kanye nesikhathi eside kakhulu sokubamba uketshezi olushisayo, kodwa ithola amaphuzu amabi kakhulu ekubolekeni. I-PLA double-side coated inikeza ukushisa okusebenzisekayo kwezicelo eziningi zeziphuzo ezishisayo, nesikhathi sokubamba ukushisa semizuzu engama-28 esimboza ifasitela elijwayelekile lokusetshenziswa kwekhofi lemizuzu eyi-15 kuya kwengama-25. I-uncoated cupstock ene-cold-seal adhesive iyona eshibhile futhi ebola kakhulu, kodwa i-cold-seal adhesive ithambisa ku-82°C, okwenza ingafaneleki kunoma yisiphi isiphuzo esishisayo esingaphezu kuka-75°C. Indlela yokuhlola i-heat seal ngemuva kwala manani ibhalwe ku-Ireferensi yamandla esivalo esishisayo se-Intertek ASTM F1921.

Inombolo ye-COF ibalulekile ekusebenzeni kahle komugqa wokwakha izinkomishi. Ibhodi elimbozwe nge-PE line-COF ephansi kakhulu, okusho ukudla okungenalutho okusheshayo kanye nesilinganiso sokujima esiphansi kakhulu emishinini yokwenza izinkomishi esheshayo. Ibhodi elimbozwe nge-PLA line-COF ephezulu, okuvame ukudinga isivinini somugqa ukuthi sincishiswe ngamaphesenti ayi-10 kuya kwangu-15 ukuze kugcinwe ikhwalithi yesivalo. Ibhodi elingamboziwe line-COF ephezulu kakhulu, futhi ukubamba kwe-fiber-to-fiber kusho ukuthi imishini kumele isebenze ngesivinini esiphansi kakhulu.

Kungani Ubufakazi Bokubola Kwezinto Eziphilayo Buhlukile Phakathi Kwe-PE Ne-PLA

Ukuqhathaniswa kokubola kwezinto eziphilayo phakathi kwe-PE ne-PLA kungenye yamaqiniso ahlanekezelwe kakhulu embonini ye-cupstock. Ubufakazi besayensi bucacile, kodwa ulimi lokumaketha oluzungezile alucacile. Lesi sigaba sethula amasethi edatha amathathu abonisa ukuziphatha kwangempela kokuphela kokuphila kwenketho ngayinye yokumboza.

Isethi yedatha yokuqala iwukwenza umquba wezimboni ngaphansi kwezimo ze-EN 13432 (58°C, umswakama ongu-55%, indawo elawulwayo yamagciwane), njengoba kufingqiwe ku-Iphepha elingemuva le-European Bioplastics EN 13432 (PDF). Ukwembozwa kwe-PE kubonisa ukumbiwa kwamaminerali okungaphansi kwamaphesenti amabili ngemva kwezinsuku ezingama-90, okwehluleka umkhawulo we-EN 13432 wamaphesenti angama-90 wokumbiwa kwamaminerali zingakapheli izinsuku eziyi-180. Ukwembozwa kwe-PLA kubonisa ukumbiwa kwamaminerali okungamaphesenti angama-87 ngemva kwezinsuku ezingama-90 ngaphansi kwezimo ezifanayo, okudlula umkhawulo. I-cupstock engagqokwanga ikhombisa ukumbiwa kwamaminerali okungamaphesenti angama-96 ngemva kwezinsuku ezingama-60 ngoba i-substrate yefayibha ngokwayo iyabola ngokuphelele.

Isethi yesibili yedatha ukubola kwezinto zasolwandle, okufanelekile ezindaweni lapho izinkomishi zingase zigcine khona emifuleni yamanzi asogwini. I-PE ayikhombisi ukuwohloka okulinganiselwe ngemva kwezinyanga ezingu-12 emanzini olwandle. I-PLA ikhombisa ukuwohloka kwamaminerali okungamaphesenti angu-14 ngemva kwezinyanga ezingu-12, okuhamba kancane kodwa okungekho ziro. I-Uncoated cupstock ikhombisa ukuwohloka kwamaminerali okungamaphesenti angu-78 ngemva kwezinyanga ezingu-6 emanzini olwandle, kanye ne-fiber substrate ewohloka ngokushesha kunasekuhlanganiseni i-compost yezimboni ngoba isenzo samagagasi sisheshisa ukusabalala kwe-fiber.

Isethi yedatha yesithathu ukubola kwenhlabathi esimweni sezulu esifudumele. I-PE ikhombisa ukubola okungaphansi kwephesenti elilodwa ngemva kwezinyanga ezingama-24. I-PLA ikhombisa amaphesenti angama-41 ngemva kwezinyanga ezingama-24, okuhamba kancane kodwa okuzinzile. I-cupstock engagqokwanga ikhombisa amaphesenti angama-91 ngemva kwezinyanga eziyi-12. Okufanele ukukhumbule ukuthi ubufakazi bokubola kwenhlabathi buncike kakhulu endaweni yokulahla.Isifinyezo seBritish Plastics Federation sezindinganiso zokuba ngumqubaihlinzeka ngemephu yokulawula phakathi kwe-EN 13432 composting yezimboni, izitifiketi ze-composting zasekhaya, kanye nezinqubo zokuhlola ukubola kwezinto eziphilayo eziyisisekelo., futhi isimangalo sokumaketha sokuthi “kubola” kumele ngaso sonke isikhathi sihambisane nendawo ethile kanye nesikhathi esithile.

Kubakhiqizi bezinkomishi zekhofi abathengisa emakethe ye-EU, umthethonqubo ofanele yi-Single-Use Plastics Directive (SUP) 2019/904, edinga ukuthi zonke izinkomishi eziqukethe ipulasitiki zibe nomklamo wesivalo esiboshiwe ngo-2025 noma zenziwe ngezinto ezidlula i-EN 13432 industrial composting, njengoba kuchaziwe ku-Umbhalo we-EUR-Lex we-SUP Directive 2019/904Izinkomishi ezimbozwe nge-PE ziyahluleka kule mfuneko; izinkomishi ezimbozwe nge-PLA kanye nezimbozwe nge-PLA ziyadlula. Leli yiphuzu elilawulayo eliqhubekisele phambili ukwamukelwa kwe-PLA yaseYurophu kusukela ngo-2021.

Ukusebenza Kokushisa: Lapho Inketho Ngayinye Yokumboza Iphumelela Futhi Yehluleka

Izinga lokushisa liyi-pivot yokusebenza enquma ukuthi yiluphi uhlobo lokugqoka olusebenza kuluphi uhlelo lokusebenza. Izinketho ezintathu zokugqoka zinamafasitela okushisa ahlukile, futhi ukukhetha okungalungile yiphutha lokuthenga elivame kakhulu elibhalwe kudatha yokuhlola.

I-cupstock ene-PE-coated ilinganiselwe iziphuzo ezishisayo ezifika ku-95°C ngaphandle kokuphazamiseka kokuvala, futhi izinzile efika ku-118°C ngezikhathi ezimfushane zokuthintana. Lokhu kuhlanganisa zonke iziphuzo ezijwayelekile zekhofi, itiye, kanye noshokoledi oshisayo. I-PE isebenza kahle kakhulu: ihlala iguquguquka ku--20°C futhi isetshenziswa kabanzi ezinkomishini zeziphuzo ezibandayo, izitsha ze-ayisikhilimu, kanye nokupakishwa kokudla okuqandisiwe. I-PE iwukumboza okuguquguqukayo kakhulu kuwo wonke amazinga okushisa.

I-cupstock ene-PLA ilinganiselwe iziphuzo ezishisayo ezifika ku-90°C ngaphandle kokuphazamiseka kokuvala imizuzu engu-25 yokuqala, kanye nokuthamba okuqhubekayo ngale kwalokho. I-PLA ayilinganiselwe ukusetshenziswa okungaphezu kuka-95°C futhi izoshintshashintsha ezimweni ze-autoclave. Ekupheleni okuphansi, i-PLA iba buthakathaka ngaphansi kuka-5°C, okwenza ingafaneleki ukusetshenziswa kokudla okuqandisiwe. Ifasitela lokushisa le-PLA lincane: iziphuzo ezifudumele kuphela, ungalokothi uphuze uketshezi olushisayo olungaphezu kuka-90°C isikhathi eside, futhi akukho ukusetshenziswa okuqandisiwe noma okufrijiwe.

I-cupstock engagqokwanga ene-cold-seal adhesive isebenza kuphela kufika ku-75°C futhi isebenza isikhathi esifushane sokuxhumana. Ngaphezulu kuka-75°C, i-cold-seal adhesive iyathamba futhi udonga lwe-cupstock luqala ukuhlukana. I-cupstock engagqokwanga isebenza kahle eziphuzweni ezibandayo, i-ayisikhilimu, kanye nokudla okomile. Ayifanele ukusetshenziswa kweziphuzo ezishisayo. Ifasitela elincane lokushisa lenza i-cupstock engagqokwanga ibe ukukhetha okukhethekile kunokuba ibe yi-cupstock yenhloso evamile.

Kubakhiqizi abakhiqiza izinhlobo eziningi zezinkomishi ezivela emgqeni ofanayo wokukhiqiza, umphumela osebenzayo ukuthi umugqa kumele ulungiselelwe ububanzi bokushisa bemakethe eqondiwe. Umugqa olungiselelwe izinkomishi ezine-PE uzokhiqiza izinkomishi ezine-PLA ezimpofu ngoba ifasitela lokushisa lesivalo lihlukile, futhi okuphambene nalokho. Ukuxuba lezi ezimbili emgqeni ofanayo ngokuvamile kudinga ukushintshashintsha kwemizuzu engama-30 kuya kwengama-45 ngokulungiswa kokulinganisa.

Ukuhambisana Kwenqubo: Imigqa Yokuvala Ukushisa kanye Nesivinini Sokwenza Amakomityi

Ukuhambisana komugqa owakha indebe kuyindlela yesibili yokuthenga enganakwa kakhulu ngemva kokubola. I-PE, i-PLA, kanye ne-cupstock engagqokwanga inamafasitela okushisa ahlukene okuvala ukushisa, amanani ahlukene e-COF, kanye nokuzwela okuhlukile komswakama. Isivinini somugqa kanye nokushisa kokuvala kumele kulungiswe ngendlela yokukhetha ukuvala, futhi ukulungiswa okungalungile kuyimbangela yokwehluleka okuningi kokuvala kwensimu.

I-cupstock ene-PE ivala efasiteleni lokushisa elibanzi elingu-140 kuya ku-175°C, okunikeza opharetha i-tuning buffer engama-degree angu-35. I-COF engu-0.32 iphansi ngokwanele ukuthi imigqa yokwenza izinkomishi ingasebenza kuma-cup angu-180 kuya ku-220 ngomzuzu ngaphandle kokujima. Iningi lemigqa yokwenza izinkomishi yaseYurophu naseNyakatho Melika ilinganiswa ebhodini eline-PE ngokuzenzakalelayo. I-cupstock ene-PLA ivala efasiteleni elincane elingu-145 kuya ku-165°C, ene-tuning buffer engama-degree angu-20. I-COF engu-0.41 isho ukuthi imigqa kumele isebenze kuma-cupstick angu-150 kuya ku-180 ngomzuzu ukuze kugwenywe izinkinga zokudla.

I-cupstock engagqokwanga ayikwazi ukuvalwa ngokushisa; idinga ingcina evala ngokubandayo efakwa emthungweni ngesikhathi kwakhiwa inkomishi. Imigqa evala ngokubandayo isebenza ngezinkomishi eziyi-120 kuya kweziyi-140 ngomzuzu. Ingcina ingeza cishe amaphesenti angu-4 kuya kwangu-6 ezindleko zezinto futhi idinga isiteshi sokufaka ingcina esihlukile emgqeni wokwenza inkomishi. Abasebenzi abajwayele imigqa evala ngokufudumeza bavame ukubhekana nokufana kwengcina evala ngokubandayo ezinyangeni ezintathu kuya kweziyisithupha zokuqala zokusebenza.

Kumaqembu okuthenga asevele esebenzisa umugqa wokwakha indebe, ukukhetha ukugqoka kufanele kuqale ngekhono lomugqa elikhona. Kubathengi abakha umugqa omusha, ukukhetha ukugqoka kuyisinqumo esihlakaniphile esinquma imakethe eqondiwe. Umugqa olungiselelwe i-PE uzoba nzima ukwenza umkhiqizo we-PLA othembekile, futhi okuphambene nalokho. Lesi yisizathu sokusebenza esenza abakhiqizi abaningi bezinkomishi bazibophezele ohlotsheni olulodwa lokugqoka okungenani iminyaka emithathu ngaphambi kokucabangela ukushintsha.

Iqiniso Lokuhlinzekwa Kwe-PLA Coating ngo-2026

Ukuzinza kochungechunge lokuphakelwa kwe-PLA kuyinqubo yesithathu yokuthengwa enganakwa kakhulu. I-resin ye-PLA itholakala enanini elincane labakhiqizi bomhlaba wonke, futhi ukuphazamiseka kokunikezwa ngo-2022 nango-2024 kwaholela ekuguqukeni okukhulu kwentengo yesitokwe se-PLA. Amaqembu okuthenga ayengalindele ingozi yochungechunge lokuphakelwa abanjwe nokwenyuka kwentengo ngamaphesenti angama-30 kuya kwangu-60 ezinkontilekeni zeminyaka eminingi.

I-resin ye-PLA ikhiqizwa ngokuyinhloko ngesitashi sommbila, kanti abakhiqizi abakhulu bagxile e-United States (NatureWorks), eThailand (ama-joint ventures amaningi), kanye naseShayina (abakhiqizi basekhaya abaningana okuhlanganisa i-Hisun ne-Kingfa). Uchungechunge lokuhlinzeka lugxile kakhulu kune-PE, ekhiqizwa ngokuqhekeka kwe-petrochemical kumakhulu abakhiqizi bomhlaba wonke. Ukuhlushwa kusho ukuthi intengo ye-PLA ibucayi kakhulu ekuvunweni kwezitshalo, inqubomgomo yamandla emazweni akhiqizayo, kanye nentela yokuhweba.

Kubathengi abahlola indebe ye-PLA ngo-2026, izinto ezintathu eziyingozi zochungechunge lokuphakelwa zibalulekile. Okokuqala, ingozi yomhlinzeki oyedwa: iningi lemigqa yendebe ye-PLA ilungiselelwe ibanga elilodwa le-resin ye-PLA kusuka kumkhiqizi oyedwa. Ukushintsha abakhiqizi kudinga ukufaneleka kabusha kwefasitela lokuvala ukushisa, okuthatha izinyanga ezintathu kuya kweziyisithupha. Okwesibili, ingozi yokuthutha: I-resin ye-PLA i-hygroscopic futhi kumele ithunyelwe ezitsheni ezivaliwe ezine-desiccant; izikhathi zokuhamba ezinde ziyawohloza i-resin. Okwesithathu, ukuvezwa kwentengo yesikhathi esizayo: Amanani e-resin ye-PLA asuke ku-$2.20 kuya ku-$3.80 nge-kg eminyakeni emithathu edlule, uma kuqhathaniswa ne-PE ku-$1.10 kuya ku-$1.60 nge-kg.

Isincomo esisebenzayo ukuthi ukuthengwa kwe-PLA cupstock kufanele kuhlale kufaka phakathi iziqu zabahlinzeki abaningi, noma ngabe kusetshenziswa umhlinzeki oyedwa kuphela. Umsebenzi wokufaneleka ubiza cishe u-$8,000 kuya ku-$15,000 ngesikhathi selabhorethri, kodwa uzikhokhela okokuqala lapho umhlinzeki oyinhloko eba nokuphazamiseka kokunikezwa.

I-Radar Yokukhetha Enezilinganiso Eziyisithupha: PE vs PLA vs Uncoated

Ishadi le-radar elingezansi lifingqa ukusebenza okuhlobene kwenketho ngayinye yokumboza kuzo zonke izilinganiso eziyisithupha zokuthengwa. Ubukhulu ngabunye bubekwe esikalini esingu-1 kuya ku-5, kanti u-5 uwukusebenza okuhle kakhulu kumkhiqizi ojwayelekile wendebe yekhofi. Amaphuzu atholakala kudatha yokuhlola, amasethi edatha okubola, kanye nokuhlaziywa kochungechunge lokuhlinzekwa ngenhla.

I-PE ne-PLA ziwina ngendlela efanayo ku-composite radar (23 kwangu-30), kodwa ziwina ngezindlela ezahlukene. I-PE iwina ku-heat seal, isikhathi sokubamba uketshezi olushisayo, ukuhambisana kwenqubo, kanye nokuzinza kwezindleko. I-PLA iwina ku-biodegradability kanye nokuhambisana nemithetho ye-EU SUP. I-Uncoated cupstock iwina amaphuzu angu-21 kwangu-30 futhi incintisana kuphela ku-biodegradability, ukuhambisana nemithetho, kanye nezindleko.

Kumkhiqizi othengisa emakethe lapho kusebenza khona i-EU SUP Directive futhi umthengi oqondiwe ebeka phambili ukumuncwa, i-PLA ithola amaphuzu aphezulu kakhulu kuzilinganiso zokulawula nokusimama futhi kuyisinqumo esifanele. Kumkhiqizi othengisa emakethe lapho intengo ibusa khona futhi ukumuncwa kungakalawulwa, i-PE ithola amaphuzu aphezulu kuzilinganiso zokusebenza futhi kuyisinqumo esifanele. I-cupstock engagqokwanga iyisinqumo esifanele kuphela kumkhiqizo wesiphuzo esibandayo noma wokudla okomile lapho ukusebenza koketshezi olushisayo kungabalulekile. Izakhiwo zemishini kanye nokungqubuzana ngemuva kwalezi zikolo zilotshwe ku-peer-reviewedUcwaningo lokukhiqiza indebe yamaphepha ye-NC State BioResources.

Kubathengi abathenga ibhodi eliyisisekelo lanoma yiziphi izinketho ezintathu zokumboza,Ikhathalogi yephepha lezimboni laseBinchengihlanganisa uhla oluphelele lwezinketho ze-substrate kusukela ku-virgin wood pulp cupstock kuya ebhodini lokuqukethwe okusetshenziswe kabusha. I-Bincheng inikeze abakhiqizi bezinkomishi zekhofi kulo lonke elaseNingizimu-mpumalanga ye-Asia, eYurophu naseMpumalanga Ephakathi iminyaka engama-20.

Ithempulethi Yencazelo Yokuthengwa Kwabakhiqizi Bendebe Yekhofi

Ithempulethi yokucacisa enezinkambu eziyisikhombisa engezansi iyinani eliphansi elidingekayo kwi-RFQ ekhiqiza isilinganiso esifanayo kuzo zonke izinketho ezintathu zokumboza. Ukuthumela lesi thempulethi ne-RFQ kuvumela abahlinzeki be-cupstock ukuthi bacaphune ngesisekelo sokufana, okuyisisekelo sanoma yikuphi ukuqhathaniswa kwentengo okunengqondo.

1. Isisindo sesisekelo sebhodi lesisekelo:i-target gsm kanye nobubanzi obamukelekayo (isibonelo, amaphesenti angu-280 gsm ± 5).
2. Uhlobo lokugqoka:I-PE enohlangothi olulodwa, i-PLA enohlangothi oluphindwe kabili, engagqokwanga + evaliwe ngokubandayo, noma i-PLA enohlangothi olulodwa.
3. Ubuncane be-heat seal:N/15mm ekushiseni okucacisiwe kwesivalo.
4. Isikhathi sokubamba uketshezi olushisayo okungenani:imizuzu ku-95°C.
5. Imfuneko yokuphela kokuphila:ukubumba komquba kwezimboni ngokwe-EN 13432, ukubola kwezitshalo zasolwandle, ukubola kwenhlabathi, noma akukho.
6. Umongo wokulawula:Ukuthobela i-EU SUP Directive, i-FDA 21 CFR 176 yokuxhumana kokudla, noma kokubili.
7. Amapharamitha omugqa owakha indebe:izinkomishi ngomzuzu, ifasitela lokushisa lokuvala, ifomethi yenkomishi yamanje.

IIkhasi le-Bincheng mayelana nathiibhala umlando wenkampani weminyaka engama-20 wokuhlinzeka ngama-parent rolls nama-jumbo rolls ezicutshini zasekhaya, ebhodini lephepha lezimboni, kanye nasezimakethe zephepha lamasiko, ngezitifiketi zekhwalithi ze-ISO, FDA, kanye ne-SGS. I-Bincheng iyi-ejenti ekhethekile ye-APP, i-Bohui, kanye ne-Sun emakethe yaseShayina, futhi ingathola iphepha eliyisisekelo le-cupstock ngamanani ancintisanayo ngezikhathi zokuhola ezizinzile.

Ukuze uthole izingcaphuno ephepheni lesisekelo sendebe elinezinketho zokumboza ze-PE noma ze-PLA, xhumana ne-Ithimba lokuthengisa laseBinchengngqo. Ama-RFQ amaningi athola impendulo yobuchwepheshe zingakapheli amahora angama-24 kanye nesilinganiso sezentengiso zingakapheli amahora angama-48.

Imibuzo Yomkhiqizi Wendebe Yekhofi: Ukukhethwa Kokumbozwa Kwendebe Yekofi

Ingabe i-PLA coating iphephile ekhofini elishisayo elingaphezu kuka-90°C?

I-cupstock ene-PLA ilinganiselwe iziphuzo ezishisayo ezifika ku-90°C kuze kube yimizuzu engama-25. Ngaphezulu kuka-90°C, i-PLA iyathamba futhi uphawu lokushisa luqala ukulahlekelwa ubuqotho. Kwikhofi elishisayo kakhulu elinikezwa ngaphezu kuka-92°C, i-PE coating iyindlela ephephile.

Ingabe izinkomishi ezimbozwe nge-PE zingafakwa umquba ezimbonini?

Cha. Ukwembozwa kwe-PE kwehluleka umkhawulo we-EN 13432 wokwenziwa komquba wezimboni ongu-90% wokumbiwa kwamaminerali zingakapheli izinsuku ezingu-180. Izinkomishi ezimbozwe nge-PE zingaphinde zisetshenziswe emifudlaneni yokuvuselela amaphepha kuphela uma ungqimba lwe-PE lungahlukaniswa, okudinga izikhungo ezikhethekile ezingatholakali kabanzi.

Iyini intengo ye-PLA uma iqhathaniswa ne-PE cupstock ngo-2026?

Ngo-2026, isitoko sendebe esimbozwe yi-PLA sibiza cishe amaphesenti angama-30 kuya kwangu-50 ngaphezulu ngemitha yesikwele kunesitoko sendebe esimbozwe yi-PE, kuye ngomthamo we-oda kanye nomhlinzeki. Iphrimiyamu inciphile kusukela ngo-2022 ngenxa yokwanda kochungechunge lokuhlinzekwa kwe-PLA, kodwa isalokhu ibalulekile ekusebenzeni kwendebe yekhofi enomthamo omkhulu.

Ingabe indebe engagqokwanga iyasebenza ekhofini elishisayo?

Cha. I-cupstock engagqokwanga isebenzisa inhlaka evala umswakama ethambile ku-82°C. Ikhofi eshisayo engaphezu kuka-75°C ibangela ukuthi umthungo we-cup ungasebenzi kahle phakathi nemizuzu eyi-10 kuya kweyi-15. I-cupstock engagqokwanga ifanele iziphuzo ezibandayo, i-ayisikhilimu, kanye nokudla okomile kuphela.

Iyiphi inketho yokumboza ehlangabezana nezimfuneko ze-EU SUP Directive?

I-cupstock ene-PLA kanye ne-uncoated zombili zihlangabezana nemfuneko ye-compostability ye-EU SUP Directive. I-cupstock ene-PE ayihlangabezani nemfuneko ngaphandle kokuthi ihlanganiswe nomklamo wesivalo esiboshiwe. Ukukhetha phakathi kwe-PLA kanye ne-uncoated kuncike ezidingweni zokushisa zesicelo.

Ijubane lomugqa wokwenza indebe lihluka kanjani phakathi kwezimbozo ezintathu?

I-cupstock ene-PE embozwe nge-PE isekela isivinini esisheshayo somugqa (izinkomishi eziyi-180 kuya kweziyi-220 ngomzuzu) ngenxa yokulingana kwayo okuphansi kokungqubuzana. I-cupstock ene-PLA embozwe nge-PLA idinga isivinini esiphansi somugqa esingamaphesenti ayi-10 kuya kweziyi-15 (izinkomishi eziyi-150 kuya kweziyi-180 ngomzuzu). I-cupstock engamboziwe ene-adhesive ebandayo idinga isivinini esisheshayo (izinkomishi eziyi-120 kuya kweziyi-140 ngomzuzu).

Ingabe i-PLA coating ingaphinde isetshenziswe emifudlaneni yephepha?

Ukuhlanganiswa kwe-PLA akuhambelani nemifudlana ejwayelekile yokuvuselela amaphepha, eyenzelwe ukubuyisa i-fiber kanye nokulahla ukungcola. I-PLA ingavundiswa kodwa ayikwazi ukuphinda isetshenziswe ngomqondo ojwayelekile. Ukuhlanganiswa kwe-PE nakho kwenqatshwa yimifudlana ejwayelekile yokuvuselela amaphepha.

Kungani i-PLA ibiza kakhulu kune-PE ngo-2026?

I-PLA ibiza kakhulu ngoba i-resin ikhiqizwa kusuka ezitshalweni zokudla zezolimo (ikakhulukazi isitashi sommbila) yinani elincane labakhiqizi abakhethekile, kuyilapho i-PE ikhiqizwa kusuka ezitshalweni zokudla ze-petrochemical ngamakhulu abakhiqizi abakhulu. Ukuhlushwa kwe-PLA kochungechunge lokuhlinzekwa kugcina intengo yeprimiyamu iqhubeka.

Izinkomba Zomthetho We-Cupstock kanye Nesizinda Se-Mill

Imithethonqubo kanye nezinkomba zobuchwepheshe ezicashunwe kulo lonke lolu mhlahlandlela — kufaka phakathi indinganiso ye-EN 13432 compostingability, i-EU SUP Directive 2019/904, i-FDA 21 CFR 176 food contact regulation, indlela yokuhlola i-ASTM F1921 heat seal, kanye nephepha elibukezwe ngontanga le-NC State BioResources — zixhunywe emgqeni ngaphakathi kwesigaba esifanele ngenhla, eceleni kwamathebula edatha kanye ne-radar yokukhetha.

Ikhasi lokubhekisela lebhodi lephepha lokulinganisa ukudla, elisetshenziswe kulo lonke leli bhukwana, yileliIkhathalogi yebhodi lephepha lokudla le-BinchengUhlu olubanzi lwamaphepha ezimboni, kufaka phakathi iphepha lesisekelo se-cupstock, ibhodi elimbozwe nge-PE, kanye ne-PLA-coated board substrates, lubhalwe phansi ku-Ikhasi lephepha lezimboni laseBincheng.

Mayelana nombhali: ULiam unguMphathi Wokuthengisa Kwamanye Amazwe kwa-Ningbo Bincheng Packaging Materials Co., Ltd., onolwazi lweminyaka engu-20 emkhakheni wezimboni zephepha. Xhuma kuI-Facebook, I-YouTubenomaI-LinkedInUkuze uthole izingcaphuno ebhodini lephepha lokudla eline-PE noma i-PLA coating, xhumana ne-Ithimba lokuthengisa laseBincheng.