Izinkinga kanye Nenqubo Yokuthuthukiswa Kokunamathela Kokunamathela Kucwecwe Lwe-Aluminium Yezemithi

Ucwecwe lwe-aluminiyamu yezemithi luyinto ebalulekile ekufakweni kwezidakamizwa, isetshenziswa kabanzi ekufakweni kwamabhamuza kumafomu emithamo eqinile kanye nokuvala iziqukathi zokumnika ngenxa yezakhiwo zayo ezinhle zokuthiya, ukusebenza kokuvala, nokuphepha. Izinga le-coating lithinta ngqo ukuzinza kwesitoreji, ukuphepha kokusetshenziswa, kanye nokuhambisana nokupakishwa kwemithi. I-Coating brittleness, enye yeziphambeko zekhwalithi ezivame kakhulu ekukhiqizeni nasekusetshenzisweni kwe-foil ye-aluminium eyenza imithi, ayigcini nje ngokuyekethisa ukusebenza kwesithiyo, okuholela ekumunceni umswakama, oxidation, kanye nokungcoliswa kwezidakamizwa, kodwa futhi ingase yethule izingozi zokuphepha ngenxa yokuhlangana kwezingcezu zokumboza.

1. Inkinga Yokubonakaliswa Nezingozi Zokubopha Ukuqina

1.1 Amafomu E-Brittleness

I-Brittleness ngokuyinhloko ibonakala njengemifantu, iqembu, noma impushana yokugqoka ngezigaba ezahlukene, ezingahlukaniswa zibe izinhlobo ezintathu:

1.1.1 I-Brittleness Ngesikhathi Sokukhiqiza

Imifantu engaphezulu ibonakala ngokushesha ngemva kokumbozwa nokuphulukiswa, noma ukonakala kwenzeka emaphethelweni ngesikhathi sokusika noma ukusonga ngenxa yokushuba.

1.1.2 I-Brittleness Ngesikhathi Sokugcina Nokuhamba

Ukuqina kwenzeka ngenxa yokushintshashintsha kwezinga lokushisa nomswakama noma ingcindezi yangaphandle, okungenzeka kuhambisane nokulimala kwe-substrate.

1.1.3 I-Brittleness Ngesikhathi Yokusebenzisa

I-coating iphuma kalula, abampofu, noma ngisho nokuklebhula amashidi ngesikhathi sokushaywa kwamabhamuza noma ukuvulwa kwesiguli.

Ngokomthetho Jikelele 4055 kwe I-Chinese Pharmacopoeia2025 Uhlelo, ukonakala kuholela ngokuqondile ekutheni amandla aqhume abe ngaphansi kwemfuneko evamile (≥98 kPa). Amasampuli ama-Brittle ngokuvamile abonisa amandla okuqhuma ngezansi 60 hpa, kuyilapho umhwamuko wamanzi kanye namazinga okudluliselwa kwe-oksijini ethambekele ekudluleleni imingcele, ukubeka engozini ukuvikelwa kwezidakamizwa.

Itafula 1: Izici Eziyinhloko kanye Nemithelela Yokubopha Ukuqina Ku-Pharmaceutical Aluminium Foil

1.2 Izingozi Eziyinhloko Zokukhubazeka

1.2.1 Izingozi Zokuphepha Kwezidakamizwa

Izingcezu zokumboza zingase zingcolise izidakamizwa; izakhiwo zokuvimbela ezincishisiwe zingaholela ekumunceni umswakama, oxidation, kanye nokwehliswa kwesithunzi, ikakhulukazi ethinta izidakamizwa ezizwela ukukhanya kanye ne-hygroscopic. Ucwaningo lubonisa ukuthi ukupakisha okunokukhubazeka okuqinile kungakhuphula okuqukethwe komswakama wezidakamizwa ngesilinganiso 2.3% ngemva 6 izinyanga zokuhlola okusheshisiwe (40°C/75% RH), ukweqa amazinga e-pharmacopoeial.

1.2.2 Ukuhambisana Nezingozi Zekhwalithi

I-Coating brittleness iyisici esibucayi sekhwalithi esihluleka ukuhlangabezana namazinga afana ne I-Chinese Pharmacopoeiafuthi Pharmaceutical Aluminium Foil(Ybb00152002-2015), okungase kubangele ukwehluleka kokubhaliswa komkhiqizo, Ukuhlolwa kwe-GMP ukungahambisani, Umkhiqizo uyakhumbula, kanye nezijeziso zokuphatha. Kusukela ekusetshenzisweni kwesistimu yokubuyekeza ehambisanayo, cishe 18% abakhiqizi be-aluminium foil baqediwe ngenxa yezinkinga zekhwalithi yokuhlanganisa.

1.2.3 Izingozi Zezomnotho Nezomkhiqizo

Ukwenyuka kwamazinga e-scrap kunyusa izindleko zokukhiqiza; izindaba zekhwalithi zilimaza isithunzi senkampani kanye nobudlelwano bamakhasimende. Ngaphansi kwengcindezi yezindlela zokuthenga eziluhlaza, izinkampani ezinekhwalithi ephansi zibhekene nokubandlululwa emakethe.

2. Ukuhlaziywa Kwembangela Ye-Coating Brittleness

Izimbangela ze-brittleness zihlanganisa izici eziningi, okuhlanganisa izinto zokusetshenziswa, izinqubo, ukwelashwa ngaphambi kwesikhathi, kanye nezimo zemvelo, zonke lezi zihlobene.

Itafula 2: Ukuhlaziywa Kwembangela Eyinhloko Ye-Coating Brittleness ku-Pharmaceutical Aluminium Foil

2.1 Ukuhambisana Kwezinto Eziluhlaza Okungenele

2.1.1 I-Aluminium Foil Substrate Defects

Ama-substrates (E.g., 8011, 8021 ama-alloys) ngobumsulwa obuphansi, ukungcola okuphezulu, flatness ompofu, noma ukubekezelela ukushuba ngokweqile (>± 2 μm) kungaholela enamathela okungalingani kanye nokuhlushwa ukucindezeleka. Amabala kawoyela angaphezulu noma izingqimba ze-oxide eziwugqinsi ngokweqile nazo zinciphisa ukunamathela kokunamathela.

2.1.2 Ukukhetha okungalungile kwe-resin yokugqoka

Ama-resin ajwayelekile (E.g., acile ama acrylic, i-polyurethane, U-Eva) nokuguquguquka okubi, amazinga okushisa enguquko engilazi aphezulu kakhulu (E.g., >50°C), noma ukusatshalaliswa kwesisindo samangqamuzana abanzi kungabangela ukonakala okukhulu ngemva kokwelapha. Ukushintshashintsha kwe-Melt flow index of the heat-seal resins engaphezu kuka-±15% nakho kwandisa ingozi yokuqina..

2.1.3 Ukusetshenziswa Okungeziwe Okungalungile

Amanani angalungile we-plasticizers, ukungahambisani kahle phakathi kwezithasiselo nama-resin, nezinsalela eziphezulu ze-solvent zingathinta ukuhlangana kwe-coating kanye nokuguquguquka, okuholela ekuqhekekeni.

2.2 Amapharamitha enqubo yokukhiqiza engenangqondo

2.2.1 Ukuphambuka Kwepharamitha Yokumboza

Ukulawulwa okungalungile kwejubane lokugqoka, ukujiya, noma ingcindezi yeblade kadokotela ingabangela ukushuba okungalingani (ukuphambuka >± 3%). Izembatho ezinogqinsi kakhulu zijwayele ukucindezeleka kwangaphakathi ngenxa yokuncipha okungaguquki, kuyilapho izimbotshana ezincane kakhulu zehluleka ukwakha ungqimba oluphelele lokuvikela.

2.2.2 Ukulawulwa Kwenqubo Yokuphulukisa Okubi

Amazinga okushisa aphakeme ngokwedlulele noma izikhathi ezinde ekwelapheni komoya oshisayo kungaxhumanisa kakhulu i-coating, ukwenza kube brittle; izinga lokushisa elinganele noma isikhathi kuholela ekwelapheni okungaphelele namandla aphansi. Ukuqina kwe-UV okungafanele noma isikhathi sokuchayeka kungabangela ukuphulukiswa okungalingani noma ukushisa okweqile kwendawo.

2.2.3 I-Slitting engalungile kanye nokuvunguza

Isivinini sokusika ngokweqile noma ukungezwani kungabangela ukuqhekeka emaphethelweni; ukungezwani okumazombezombe okwedlulele kubeka ukunamathela ngaphansi kwengcindezi eqhubekayo yokushuba, okwenza kube brittleness ngesikhathi ukugcinwa.

2.3 I-Substrate Pretreatment enganele

Ukungahlanzeki kwendawo kanye nokuba mahhadlahhadla kuthinta kakhulu ukunamathela kokunamathela. Ukuhlanza okungaphezulu ngaphandle kokuwohloka kwamakhemikhali noma i-electrochemical oxidation kushiya izinsalela zikawoyela nothuli, buthakathaka ukunamathela kokunamathela. Ubulukhuni obunganele bomhlaba (amandla angaphezulu <35 mN/m) iphinde ivimbele ukumanzisa okwanele kanye nokusabalalisa kwe-coating.

2.4 Izici Zemvelo

Amazinga okushisa okukhiqiza angaphansi kuka-15°C noma umswakama ngaphezulu 80% kungathinta ukulinganisa kokunamathela kanye nempumelelo yokwelapha. Ukushintshashintsha kwezinga lokushisa nomswakama okwedlulele ngesikhathi sokugcinwa nokuthutha kudala ingcindezi yokushisa ngenxa yama-coefficients angafani okwanda okushisayo phakathi kwe-foil ne-coating.. Imithelela engokomzimba noma ukucindezelwa kungabangela ngokuqondile ukonakala. Ukuhlanzeka kwemvelo yokukhiqiza okungalungile kuvumela izinhlayiya zothuli ukudala amaphuzu okugxilisa ukucindezeleka, ukusheshisa i-brittleness.

3. Izinqubo Zokuthuthukisa Izinyathelo Zokuhlanganisa Ukuqina

Itafula 3: Amapharamitha angukhiye wokulawula wokuthuthukisa inqubo ye-Aluminium Foil Yezemithi

3.1 Ukuthuthukisa Ukukhethwa Nokulawula Kwezinto Ezingavuthiwe

3.1.1 Ukukhetha I-Substrate Eqinile

Sebenzisa ukuhlanzeka okuphezulu, ukungcola okuphansi 8011/8021 ama-alloys anokubekezelela ukushuba okulawulwa ngaphakathi kuka-±2 μm nokushuba kwendawo ≥31 mN/m. Ngemikhiqizo edingeka kakhulu, ama-substrates anogqinsi ≥0.030 mm angakhethwa, ngamanani embobo ngezansi 0.1 ngemitha yesikwele.

3.1.2 Ukuthuthukisa i-Resin kanye Nokukhethwa Okungeziwe

Khetha ama-resin anamazinga okushisa enguquko engilazi amaphakathi (20-40°C) kanye nokusatshalaliswa kwesisindo samangqamuzana afanayo. Ama-resin asekelwe emanzini noma e-UV-ayelapheka anconywa ukuthi athathe indawo yezinhlobo ezisekelwe ku-solvent. Ukuhluka kwenkomba yokugeleza kwe-Melt of resins yophawu lokushisa kufanele kube ≤±10%. Lungiselela ukwakheka okungeziwe, njengokusebenzisa ama-plasticizers ukuthuthukisa ukuguquguquka kanye nama-ejenti okuhlanganisa ama-silane ukuze kuthuthukiswe ukunamathela, ukuqinisekisa ukuhambisana okungeziwe.

3.1.3 Ukusungula Izindlela Zokuhlola Izinto Ezingavuthiwe

Qinisa ukuhlola okungenayo, ukuqapha ukuguquguquka kwe-resin, ukusatshalaliswa kwesisindo samangqamuzana, ukuhlanzeka kwe-substrate, ubulukhuni, njll., ukuvimbela izinto ezingafanelekile ukuthi zingangeni ekukhiqizeni.

3.2 Ukuthuthukisa Imingcele Yenqubo Yokukhiqiza

3.2.1 Ukulawula Inqubo Yokuhlanganisa Okunembile

Lawula isivinini sokumboza ku-10-15 m/min, ingcindezi yeblade kadokotela ku-0.1–0.3 MPa, kanye nesisindo sokugqoka ku-2-5 g/m², ukuqinisekisa ukuchezuka kokulingana kokuqina ≤±3%. Gcina imishini njalo ukuze uqinisekise ukufana kwe-coating.

3.2.2 Ukuthuthukisa Amapharamitha wenqubo yokwelapha

Ukwelashwa komoya oshisayo kufanele kulawulwe ku-80-100 ° C imizuzu engu-3-5 ngesivinini somoya esifana ne-1-2 m / s.; Ukuqina kokupholisa kwe-UV kufanele kube ngu-80–120 mJ/cm² imizuzwana engu-1–2. Gada futhi ulungise amapharamitha ngesikhathi sangempela.

3.2.3 Ukuthuthukisa Izinqubo zokuSlitting kanye Nokusonga

Isivinini sokusika kufanele sibe ngu-5–10 m/min, i-winding tension elawulwa ku-50–100 N kusetshenziswa i-tension winding eqhubekayo. Vumela amakhoyili esilonda ukuba aphumule amahora angama-24-48 ukukhulula ukucindezeleka kwangaphakathi. Ukushintshashintsha kwezinga lokushisa elivala ukushisa kufanele kulawulwe phakathi kuka-±1°C.

3.3 Ukuqinisa Izinqubo Zokwelashwa Kwangaphambi Kwe-Substrate

Sebenzisa inqubo egcwele yokwelashwa kwangaphambili kwe “i-chemical degreasing - ukugeza ngamanzi - i-electrochemical oxidation - ukugeza kwamanzi - ukomisa.” -Colekile (50-60°C, 1-2 amaminithi) isusa amafutha; i-electrochemical oxidation (10-15 V, 30-60 imizuzwana) kuthuthukisa ubuqhwaga nomsebenzi; sebenzisa amanzi deionized ukugeza; ukomisa (80-90°C, 2-3 imizuzu) iqinisekisa ukoma kobuso. Ingcindezi ye-substrate yangemuva kokwelashwa kufanele ibe ≥35 mN/m.

3.4 Ukuthuthukisa Ukulawulwa Kwemvelo

3.4.1 Ukulawula Imvelo Yokukhiqiza

Gcina izinga lokushisa endaweni yokusebenzela ku-20-25 ° C, umswakama ohlobene ku-50% -60%, kanye nenhlanzeko emazingeni eBanga D ukuze kuncishiswe ukungcoliswa kwezintuli.

3.4.2 Ukuthuthukisa Isitoreji Nezimo Zokuthutha

Gcina imikhiqizo ephelile endaweni epholile (15-25°C), omile (umswakama ≤60%), kanye nendawo yokugcina impahla enomoya, ukugwema ukukhanya kwelanga kanye nokunqwabelanisa ngokweqile. Sebenzisa amaphakheji angangenwa yi-shockproof kanye nokuvikela umswakama ngesikhathi sokuthutha, ukugwema ukushintshashintsha kwezinga lokushisa/umswakama okwedlulele kanye nomthelela wemishini.

3.5 Ukuthuthukisa Amasistimu Wokuhlola Ikhwalithi

3.5.1 Ukusungula Izindlela Zokuhlola Inqubo Egcwele

Yenza ukuqapha ku-inthanethi kokuqina kwe-coating kanye nokufana; hlola imikhiqizo eqediwe ukuze ube nezimo, ukunamathela, qhuma amandla (≥98 kPa), isilinganiso sokudlulisa samanzi we-vapor (≤0.5 g/(m² · 24h)), njll.

3.5.2 Ukusebenzisa Izisetshenziswa Zokuhlola Eziqeqeshiwe

Hlomisa ngezihloli zokuqhuma ezihambisana ne-pharmacopoeia (E.g., I-NPD-01B), sebenzisa i-headspace gas chromatography ukuhlola izinsalela ze-solvent, futhi basebenzise ama-microscopes ukuze babheke ukwakheka kwe-coating microstructure.

3.5.3 Ukusungula Ukulandelelwa Kwekhwalithi kanye Nezinhlelo Zokuhlola Ukuzinza

Dala amarekhodi ekhwalithi yeqoqo ukuze alandeleke ngokugcwele. Yenza izivivinyo ezijwayelekile zokuzinza ukuze uhlole ukusebenza kwe-coating ngaphansi kwezimo ezihlukene zemvelo.

4. Ukuqinisekiswa Kokuthuthukiswa Kwempumelelo Nezitayela Zemboni

4.1 Isibonelo Sokuthuthukisa Ukusebenza

Ngemva kokwenza ukuthuthukiswa okungenhla, inkampani yazuza a 30% ukwanda enamathela eguquguqukayo, a 25% ukuthuthukiswa kokunamathela, ukuchezuka kokufana kokuqina kokuqina ≤±2%, ukwelapha izinga lokuqeda >99%, kanye nezinga leziqu ze-substrate pretreatment rate 100%. Izinga le-scrap ngenxa yokuba brittleness lehlile ukusuka 8.5% kuya ngezansi 0.3%, kanye nezinga lokufaneleka lomkhiqizo elifinyelelwe 99.7%, ngamandla aqhumayo ahlangabezana nezidingo ze-pharmacopoeial. Ngokushintshela kuma-coatings asekelwe emanzini, Ukukhishwa kwe-VOC kwehliswe ngaphezulu 80%, ukungena ngempumelelo ochungechungeni lokuhlinzeka ngezinkampani ezihamba phambili ezithaka imithi.

Itafula 4: Ukuqhathaniswa Kwezinkomba Eziyinhloko Ngaphambi Nangemuva Kokuthuthukiswa Kwenqubo Enkampanini

4.2 Amathrendi Okuthuthukiswa Kwemboni

4.2.1 Ukutshala kwe-Coating Technologies

Isekelwe emanzini, Ukwelashwa kwe-UV, kanye nama-electron beam-curable coatings anama-VOC aphansi noma aziro azothatha indawo yemikhiqizo esekwe ku-solvent kancane kancane.

4.2.2 Ukuthuthukiswa Kokusebenza Kubheke Ngokunemba Nobuhlakani

Ama-coatings athuthukela ekulweni nomgunyathi ohlakaniphile, ukulandeleka kwekhodi eyodwa-into eyodwa, ukuvikelwa kokukhanya okunamandla, kanye nokuzwa okuhlakaniphile ukuhlangabezana nezidingo zokuvikela zezidakamizwa ezisebenza kakhulu.

4.2.3 Ukujulisa Imithetho Yemboni

I I-Chinese Pharmacopoeiaamazinga ayaqhubeka nokuthuthuka, ngokuhlolwa okudlulela ku-microstructure, ukuhlukaniswa kwamakhemikhali, kanye ne-biocompatibility, inqubo yokushayela kanye nokuthuthukiswa kokulawulwa kwekhwalithi emabhizinisini.

5. Isiphetho

Ukuqina kokugqoka ephepheni le-aluminium yezemithi kuwukukhubazeka kwekhwalithi okubangelwa izici eziningi, okuhlanganisa izinto zokusetshenziswa, izinqubo, ukwelashwa ngaphambi kwesikhathi, kanye nezimo zemvelo, ezibeka engcupheni ukuphepha kwezidakamizwa, ukuhambisana nenkampani, kanye nezithakazelo zezomnotho. Ngokulungiselela ngokuhlelekile izinto zokusetshenziswa, ngokunembile ukulawula inqubo nemingcele, ukuqinisa i-substrate pretreatment, ukulawula ngokuqinile izimo zemvelo, kanye nokwenza ngcono izinhlelo zokuhlola izinga, ingozi yokuba brittleness ingaqedwa ngokuphumelelayo, ukuthuthukisa ukuthembeka komkhiqizo.

Esikhathini esizayo, amabhizinisi kufanele alandele izitayela zemboni mayelana nokutshala uhlaza, ukunemba, kanye nokusebenza, ukwanda R&D utshalomali, ukuqhubeka nokuthuthukiswa kwenqubo, ukunamathela ngokuqinile ku-pharmacopoeia namazinga ahlobene, kanye nokuthuthukisa izinhlelo zokuphatha ikhwalithi ukuze kuqinisekiswe ukuphepha kwezidakamizwa ngemikhiqizo yekhwalithi ephezulu futhi kukhuphule izinga lemboni lilonke.