Ziyini izixazululo zokunamathisela ilebula yezimonyo ezingangeni manzi? | Pure-lula

Ukupakishwa kwangaphandle komkhiqizo kungase kungabonakali, kodwa futhi kunquma imininingwane yenkampani. Uma into yelebula ingakhethwanga kahle futhi imiphetho iphakanyiswa ngemva kokunamathiselwa, isithombe somkhiqizo sizoncipha kakhulu. Ziyini izixazululo zelebula yezimonyo ezingangeni manzi? Singasigwema kanjani lesi simo ukuba senzeke? Ake ngikuphendule.

Ingxenye1, Izitika zivame ukwehluleka ezindaweni ezinezinga lokushisa eliphezulu nezinomswakama ikakhulukazi ngenxa yalezi zizathu ezilandelayo:

Izinguquko Ekusebenzeni Okunamathelayo

• Amazinga okushisa aphezulu asheshisa ukunyakaza kwamangqamuzana okunamathelayo, okunciphisa ukunamathela kwawo. Phakathi naleso sikhathi, umswakama ezindaweni ezinomswakama ungena kwi-adhesive, uyihlambulule futhi uphazamise amandla e-intermolecular, ngaleyo ndlela wenze buthaka amandla okubopha.

Ukuguqulwa Kwezinto Zesitikha

• Izimo ezishisa kakhulu nezinomswakama zingabangela ukuthi izinto eziyisisekelo zezitikha (njengephepha noma ipulasitiki) zande noma ziwohloke. Lokhu kuguqulwa kunciphisa ukulingana phakathi kwesitikha nendawo esetshenziswa kuyo, kuze kubangele amabhamuza noma ukugoqa onqenqemeni, okwenza buthaka ukunamathela.

Izinguquko Kubuso Bento Esetshenzisiwe

• Izimo ezishisa kakhulu nezinomswakama zingase zidale ukufiphala komhwamuko noma ukugqwala endaweni esetshenzisiwe. Umhwamuko wamanzi wenza umgoqo phakathi kwesitikha nangaphezulu, uvimbela ukuthintana okusebenzayo phakathi kwe-adhesive nento. Ukugqwala okungaphezulu njengokugqwala nakho kungalimaza ukushelela kanye nokuba mahhadlazela kwendawo, kuthinte ukunamathela kwesitikha.

Ingxenye2, Ngokuvumelana nedatha yokuhlola eqinile yaselabhorethri, kunomehluko omkhulu ekusebenzisaneni kokunamathelayo phakathi kwe-BOPP (ifilimu ye-polypropylene e-biaxially) nephepha lokwenziwa. Okulandelayo ukuhlaziya okuqhathanisayo:

1. Umehluko ezicini zezinto ezibonakalayo eziyisisekelo

Izici zezinto ze-BOPP:

Amandla aphansi angaphezulu (cishe ama-30-32 dynes/cm)

Izakhiwo zamakhemikhali ezingezona ze-polar

Isakhiwo esibushelelezi esingaphezulu (ubukhulu Ra ≈ 0.1-0.3 μ m)

Izici zephepha lokwenziwa:

Amandla angaphezulu amaphakathi (cishe ama-dynes angama-36-40/cm)

Iqukethe amaqembu asebenzayo we-polar (njenge-PP/PE exutshwe nezigcwalisi ezingaphili)

Indawo encane emagebhugebhu (Ra ≈ 0.5-1.2 μ m)

2. Ukuqhathaniswa kwedatha yokuhlolwa kwe-laboratory tensile

3. Ukuhlaziywa kwezici ezibalulekile zokuvumelana nezimo

3.1 Izidingo zokwelashwa kwendawo

I-BOPP: Ngokuvamile idinga ukwelashwa kwe-corona (>38 dynes/cm) noma ukwelashwa kwe-primer ukuze kuzuzwe amandla okunamathela amukelekayo. Idatha yaselabhorethri ikhombisa ukuthi amandla okunamathela we-BOPP angalashwa angama-30-40% kuphela alokho ngemuva kokwelashwa.

Iphepha Lokwenziwa: Ezimweni eziningi, akukho ukwelashwa okukhethekile okudingekayo, kodwa ukuhlanzwa kwendawo kubalulekile. Ukuhlolwa kubonise ukuthi ukusula nge-isopropanol kungakhuphula amandla okunamathela ngo-15-20%.

3.2 Iziphakamiso Zokukhetha Okunamathelayo

I-BOPP enamathelayo ehambisanayo:

I-adhesive ye-acrylic eguquliwe (kuhlanganise ne-tackifying resin)

I-adhesive esekelwe ku-Rubber ezwela ukucindezela (uhlobo oluphezulu lokunamathela)

I-ejenti yokuhlanganisa (njenge-silane) idinga ukwengezwa

I-Adhesive ehambisana nephepha lokwenziwa:

I-adhesive ejwayelekile ye-acrylic ezwela ukucindezela

I-polyurethane eshisayo enamathelayo encibilikayo

I-Adhesive yokwelapha ye-UV

4. Ukusebenza kokuzinza kwemvelo

Ukuhlolwa kokuguga okusheshisiwe kwaselabhorethri (85 ℃/85% RH, amahora angama-500) kubonisa:

Isistimu yokuhlanganisa ye-BOPP:

Izinga lokugcinwa kwamandla: okokuqala 65-75%

Imodi yokuwohloka eyinhloko: i-interface hydrolysis

Isistimu ye-synthetic paper bonding:

Izinga lokugcina amandla: okokuqala 85-90%

Ukuwohloka kusakazwa ngokulinganayo kuyo yonke indawo yokubopha

5. Iziphakamiso zohlelo lokusebenza

Ngokusekelwe kudatha yokuhlola, izincomo zokukhetha ezimweni ezihlukene zohlelo lokusebenza zimi kanje:

- Isicelo selebula yesikhathi esifushane: I-BOPP inezindleko eziphansi, kodwa iphepha lokwenziwa lisebenza ngokuzinza

-Uhlelo lokusebenza oluqinile lwangaphandle: Iphepha lokwenziwa lingcono kakhulu kune-BOPP (elinomehluko wamandla ofinyelela ku-40% ngemuva kokuguga)

-Indawo yokushisa ephezulu nephansi: Ukusebenza kwephepha lokwenziwa kwehla ngo-15% kuphela phakathi kwebanga elingu-(-40 ℃~80 ℃), kuyilapho uhlelo lwe-BOPP lwehla ngo-25-30%

-Ukusebenza komsebenzi osindayo: Amandla okugunda wephepha lokwenziwa cishe aphindwe kabili kunawe-BOPP

Idatha yelabhorethri ibonisa ukuthi nakuba impahla ye-BOPP inezindleko eziphansi, iphepha lokwenziwa libonisa ukuhambisana okunamathelayo okuphakeme nokuthembeka kwesikhathi eside ezimweni eziningi zohlelo lokusebenza, kucatshangelwa ukusebenza okuphelele kohlelo lokubopha.

Ingxenye3, Ncoma izinto ezinamathelayo ezimelana namakhemikhali ezi-3 eziqinisekisiwe ze-FDA

1. Ingcina ye-silicone yebanga lezokwelapha

Amazinga wokuqinisekisa: FDA 21 CFR 175.300&USP Ikilasi VI

Ukumelana namakhemikhali: i-asidi ne-alkali (pH 1-14), utshwala, i-hydrogen peroxide

Ibanga lokushisa: -60 ℃~200 ℃

Izicelo ezijwayelekile: Ukuvalwa kwedivayisi yezokwelapha, i-gasket yemishini yezemithi

Ibanga lezindleko: $35-70/kg (inothi: amamodeli abonisa ngale aphezulu aneprimiyamu engu-30%)

2. I-epoxy modified acrylic structural adhesive

Amazinga wokuqinisekisa: FDA 21 CFR 175.105&NSF/ANSI 51

Ukumelana namakhemikhali: ukumelana namafutha, izinyibilikisi ze-hydrocarbon, ama-asidi abuthakathaka (pH>3)

Ibanga lokushisa: -40 ℃~150 ℃

Izicelo ezijwayelekile: isibopho semishini yokucubungula ukudla, ukulungiswa kwamabhande okuthutha

Ibanga lezindleko: $25-50/kg (15% ukwehliswa kwezindleko kumamodeli anezingxenye ezimbili)

3. I-Fluororubber based based adhesive pressure-sensitive adhesive (PSA)

Izinga lesitifiketi: I-FDA 21 CFR 177.2600

Ukumelana namakhemikhali: ukumelana nama-oxidants aqinile (njenge-sodium hypochlorite) nezinyibilikisi ze-ketone

Ibanga lokushisa: -30 ℃~180 ℃

Izicelo ezijwayelekile: amalebula okupakisha amakhemikhali, ukuvala uphawu kwemishini yaselabhorethri

Ibanga lezindleko: $50-90/kg (kuhlanganise nentengo ephindwe kabili yetheyiphu yokunamathisela enezinto ezisekelayo)

Incazelo Yezinto Ezinomthelela Wezindleko:

Ukuthengwa kwempahla ngenqwaba (>100kg) kunganciphisa izindleko ngo-15-20%

Imibala ekhethekile noma izithasiselo ze-conductive zingabangela ukwenyuka kwentengo ngo-25%+

Ku-Q2 2025, ngenxa yokulawulwa okuqinile kwezinto eziqukethe i-fluorine, intengo yokunamathela kwe-fluororubber yenyuka ngo-8% unyaka nonyaka.

Okokugcina:

Izinhlobo zokunamathela ezijwayelekile zamalebula azinamathelayo zifaka iglue yamanzi, iglue eshisayo, iglue kawoyela, ingcina ekhiphekayo, iglue amathayi, ingcina eqandisiwe, njll.

Izinto ezihlukene zelebula zingabhangqwa nama-adhesive ahlukene ukuze kuzuzwe izidingo ezithile zokunamathela.

Amandla okunamathela: Ingcina yethaya>Ingcina kawoyela>Ingcina kawoyela>Ingcina yamanzi>Ingcina yamanzi ≈ Ingcina eqandisiwe>Ingcina ekhishwayo

Iglue yamanzi ivame ukusetshenziswa ekuphileni kwansuku zonke. Uma zingekho izidingo ezikhethekile, kunconywa ukusebenzisa iglue yamanzi.

Irabha yamasondo ilungele ukunamathela ezindaweni ezimaholoholo njengezikhwama ezilukiweyo, amabhakede epulasitiki amaholoholo, njll. Inonamathela okuqinile.

Iglue yamafutha ivamise ukusetshenziswa ezintweni zikagesi zezimboni nakweminye imikhiqizo, enokumelana nokushisa okuphezulu kanye ne-viscosity eqinile.

I-viscosity yokuqala yeglue eshisayo inamandla kune-glue yamanzi, kodwa ukuqina kwayo akukuhle. Iglue eshisayo ivame ukusetshenziswa emikhiqizweni yesikhathi esifushane, njengamalebula ekhadibhodi, i-express logistics, njll. Iglue eshisayo inenani eliphansi kakhulu, ilula futhi ilukhuni, futhi ingaxhunywa ngokuqinile, kodwa isikhathi asikwazi ukuba side kakhulu njengoba i-viscosity ijwayele ukwehluleka.

Iglue yamanzi inamathele kakhulu, futhi ngaphezu kwe-70% yamalebula okunamathela avame ukusetshenziswa ekuphileni kwethu kwansuku zonke angase abe ingcina yamanzi.

Ingcina ekhiphekayo ingasetshenziswa ngokuphindaphindiwe ngaphandle kokushiya noma iyiphi insalela, njengamalebula osayizi ezitolo zezingubo, noma ezinye izitikha zokuvala (ezingadatshulwa ngaphandle kokushiya noma iyiphi insalela). Uma ilebula idinga ukudatshulwa kamuva ngaphandle kokushiya noma iyiphi insalela, isinamathiselo esikhiphekayo singasetshenziswa, kodwa izindleko zingaphezu kokunamathela kwamanzi. Ingcina yamanzi ingadatshulwa ngesikhathi esifushane ngaphandle kokushiya noma iyiphi insalela, kodwa isazoshiya izinsalela ngokuhamba kwesikhathi futhi kunzima ukuyihlanza.

Iglue eqandisiwe isetshenziswa embonini yezokuthutha emakhazeni ngokunye ukudla okusha okuqandisiwe, okufana nokupakishwa kokugoqa inkomo. Isici salo ukuthi ukunamathela kwelebula ngeke kuhluleke ezindaweni zokushisa eziphansi futhi kungaxhunywa ngokuqinile.

Okungenhla ngolunye ulwazi engikunikeze lona mayelana nezitika zokunamathisela, ngethemba ukuthi zizokusiza. Uma udinga amalebula anamathelayo, sicela ukhululeke ukuxhumana nathi!!

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