I-Metallocene polyethylene(mPE) iwuhlobo lwe-polyethylene resin ehlanganiswe ngesisekelo se-metallocene catalysts, okuwuhlelo olusha lwezobuchwepheshe olubaluleke kakhulu embonini ye-polyolefin eminyakeni yamuva nje. Izinhlobo zomkhiqizo ikakhulukazi zifaka i-metallocene low density high pressure polyethylene, metallocene high density low pressure polyethylene kanye ne-metallocene linear low density polyethylene. I-Metallocene polyethylene isetshenziswe kabanzi enqubweni yokubumba i-multilayer co-extrusion blow ngenxa yezakhiwo zayo eziyingqayizivele nokusebenza kokucubungula, futhi ithandwa ngamabhizinisi asekhaya nawangaphandle okupakisha nokuphrinta.
Izakhiwo ze-metallocene polyethylene
1. I-Metallocene polyethylene inebude obungcono ngesikhathi sekhefu kune-polyethylene evamile. I-Metallocene polyethylene inamandla omthelela angcono ngenxa yesisindo sayo samangqamuzana aphezulu nokusabalalisa okuminyene kune-polyethylene evamile.
2. Izinga lokushisa eliphansi lokuvalwa kokushisa namandla okuvala okushisa aphezulu.
3. Ukukhanya okungcono kanye nenani eliphansi le-haze.
Izicelo zefilimu ye-Metallocene polyethylene
1. Ukupakishwa kokudla
Ifilimu ye-Metallocene polyethylene ingafakwa nge-BOPET, BOPP, BOPA namanye amafilimu, afaneleka ngokukhethekile ukupakisha ukudla kwenyama, ukudla okulula, ukudla okufriziwe neminye imikhiqizo.
2. Ukupakishwa kwemikhiqizo yezolimo
Ifilimu ye-metallocene polyethylene evuthelwe ngokuvuthela eyenziwe ngezinqubo ezihlukene zokwakheka komgoqo womhwamuko wamanzi inhle, kuyilapho ukungena komoyampilo kuphezulu, lesi sici siyenza ifaneleke ngokukhethekile ukupakishwa kwezithelo nemifino. Ngaphezu kwalokho, ifilimu ye-metallocene polyethylene evuthwe inezici zamandla aphezulu, i-anti-fogging, i-anti-dripping, ukumelana nokuguga nokubonakala okuhle.
3. Izikhwama ezinzima
Izikhwama ezisindayo zisetshenziselwa kakhulu ukupakisha izinto zokusetshenziswa zepulasitiki, umanyolo, ukudla, irayisi kanye nokusanhlamvu. Ukuvela kwe-metallocene polyethylene, izikhwama ezisindayo zingenza ukusebenza kokuvala, ukumelana nomswakama, ukusebenza okungangeni manzi, ukusebenza okulwa nokuguga kuphakeme kakhulu, ngokushisa okuphezulu akunciphisi ukuguqulwa, amakhaza awaphuli ukuphuka okuphukile kwezinzuzo.
Ukwengezwa kwe-metallocenes ekucutshungulweni kwefilimu kuthuthukisa amandla okuqinile kanye nekhwalithi yefilimu, kodwa futhi kunezinselelo ezithile ekucutshungulweni, njenge-viscosity ephezulu ye-metallocenes ethinta uketshezi lokucubungula kanye nokwenzeka kokuqhekeka kokuncibilika komkhiqizo kwinqubo yokukhipha. .
Izizathu zokuncibilika kokuqhekeka kwe-metallocene polyethylene ekucubungulweni kwefilimu zingabandakanya lokhu okulandelayo:
1. i-viscosity ephezulu: i-metallocene i-polyethylene ine-viscosity ephezulu yokuncibilika, engaholela ekuqhekekeni okuncibilika ngesikhathi sokukhishwa njengoba ukuncibilika kungaphansi kwamandla aphezulu we-shear njengoba kudlula i-orifice die.
2. Ukulawulwa kwezinga lokushisa okunganele: Uma izinga lokushisa lenqubo liphezulu kakhulu noma lingalingani, lokhu kungase kubangele ukuthi impahla incibilike ngokweqile kwezinye izindawo kuyilapho isala yelashwe kancane kwezinye, futhi lesi simo sokuncibilika esingalingani singaholela ekuqhekekeni kwendawo encibilikayo.
3. Shear stress: Enqubweni ye-extrusion, ukuncibilika kungase kube ngaphansi kokucindezeleka okukhulu kwe-shear ku-muzzle die, ikakhulukazi uma ukufa kwe-muzzle kungaklanyelwe kahle noma isivinini sokucubungula sishesha kakhulu, lokhu kucindezeleka okuphezulu kwe-shear kungase kuholele ekuqhekekeni okuncibilika.
4. Izithasiselo noma ama-masterbatches: Izithasiselo noma ama-masterbatches angezwe ngesikhathi sokucubungula angahlakazwanga ngokufanayo angase athinte izici zokugeleza zokuncibilika, okuholela ekuqhekekeni okuncibilika.
I-SILIKE PFAS-free PPA SILIMER 9300，Ukuphuka kwe-metallocene polyethylene okuthuthukisiwe okuncibilika
Imikhiqizo yochungechunge lwe-SILIMER iyi-PFAS-free polymer processing aids (PPA)ezacwaningwa futhi zathuthukiswa nguChengdu Silike. Lolu chungechunge lwemikhiqizo yi-Pure modified Copolysiloxane, enezakhiwo ze-polysiloxane kanye nomthelela we-polar weqembu eliguquliwe.
I-SILIMER-9300iyisengezo se-silicone esiqukethe amaqembu asebenzayo we-polar, esetshenziswa ku-PE, PP kanye neminye imikhiqizo yepulasitiki nenjoloba, ingathuthukisa kakhulu ukucubungula nokukhululwa, inciphise ukwakheka kokufa futhi ithuthukise izinkinga zokuphuka kwe-ncibilika, ukuze ukunciphisa umkhiqizo kube ngcono.
Ngesikhathi esifanayo,I-SILIMER 9300inesakhiwo esikhethekile, ukuhambisana okuhle ne-matrix resin, ayikho imvula, ayinamthelela ekubukekeni komkhiqizo nokwelashwa kwendawo. Kunconywa ukuthi kuhlanjululwe ku-masterbatch ethile yokuqukethwe kuqala, bese isetshenziswa kuma-polymers e-polyolefin, ukuyengeza ngokulinganisela kungasebenza kakhulu.
EngezaI-SILIMER 9300kule nqubo, ukugeleza kokuncibilika, ukucutshungulwa, kanye nokugcotshwa kwe-resin kungathuthukiswa ngempumelelo futhi kuqede ukuqhekeka kokuncibilika, ukumelana nokugqoka okukhulu, i-coefficient encane yokungqubuzana, ukunweba umjikelezo wokuhlanza imishini, ukunciphisa isikhathi sokuphumula, kanye nokukhishwa okuphezulu kanye nengaphezulu lemikhiqizo engcono, ukukhetha okuphelele ukufaka esikhundleni se-PPA esekelwe ku-fluorine.
Ukuthuthukiswa kwe-metallocene melt fracture.
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Isikhathi sokuthumela: Jul-31-2024
