Umehluko Obalulekile-UHMW vs HDPE
I-UHMW ne-HDPE ama-polymer e-thermoplastic anokubukeka okufanayo.Umehluko oyinhloko phakathi kwe-UHMW ne-HDPE ukuthi i-UHMW iqukethe amaketanga e-polymer amade anesisindo samangqamuzana aphezulu kakhulu kuyilapho i-HDPE inesilinganiso esiphezulu samandla-to-density.
I-UHMW imele i-Ultra High Molecular Weight polyethylene.Iphinde ichazwe yi-UHMWPE.Igama elithi HDPE limele i-High Density Polyethylene.
Yini i-UHMW?
I-UHMW iyi-polyethylene enesisindo se-molecular ephezulu kakhulu.Kuwuhlobo lwe-polymer ye-thermoplastic.Le nhlanganisela ye-polymer iqukethe amaketanga e-polymer amade kakhulu anesisindo samangqamuzana aphezulu (cishe izigidi ezingu-5-9 amu).Ngakho-ke, i-UHMW inesibalo esiphezulu samangqamuzana.Kodwa-ke, ukubukeka kwalesi sakhiwo akuhlukaniseki kulokho kwe-HDPE.
Izakhiwo ze-UHMW
Izakhiwo ezibalulekile ze-UHMW zimi kanje.
Kuyinto eqinile.
Inamandla omthelela aphezulu
Ayinaphunga futhi ayinambitheki
Ikhono eliphezulu lokushelela
Ukumelana nokuqhekeka
Ayinamathelisi kakhulu
Inhlanganisela ayinabo ubuthi, futhi iphephile.
Ayiwamunyi amanzi.
Wonke amaketanga e-polymer ku-UHMW made kakhulu, futhi aqondana ohlangothini olufanayo.Iketango ngalinye le-polymer lihlanganiswe namanye amaketanga e-polymer azungezile ngokusebenzisa amabutho e-Van der Waal.Lokhu kwenza sonke isakhiwo sibe nzima kakhulu.
I-UHMW ikhiqizwa kusuka ku-polymerization ye-monomer, i-ethylene.I-polymerization ye-ethylene yakha umkhiqizo oyisisekelo we-polyethylene.Isakhiwo se-UHMW sihluke kakhulu kuleso se-HDPE ngenxa yendlela yokukhiqiza.I-UHMW ikhiqizwa phambi kwe-metallocene catalyst (i-HDPE ikhiqizwa phambi kwe-Ziegler-Natta catalyst).
Izicelo ze-UHMW
Ukukhiqizwa kwamasondo enkanyezi
Izikulufu
Amarola
Amagiya
Amapuleti ashelelayo
Iyini i-HDPE?
I-HDPE i-polyethylene ephezulu yokuminyana.Kuyinto thermoplastic polymer material.Le nto inomthamo omkhulu uma iqhathaniswa nezinye izinhlobo ze-polyethylene.Ukuminyana kwe-HDPE kunikezwa njengo-0.95 g/cm3.Njengoba izinga le-polymer chain branching kule nto liphansi kakhulu, amaketanga e-polymer agcwele ngokuqinile.Lokhu kwenza i-HDPE ibe nzima uma kuqhathaniswa futhi inikeza ukumelana nomthelela omkhulu.I-HDPE ingaphathwa ngaphansi kwamazinga okushisa azungeze i-120°C ngaphandle kwanoma yimuphi umphumela olimazayo.Lokhu kwenza i-HDPE ikwazi ukuziphendulela.
Izakhiwo ze-HDPE
Izici ezibalulekile ze-HDPE zifaka,
Kunzima Ngokuqhathaniswa
Ukumelana nomthelela ophezulu
I-Autoclavable
Ukubukeka okukhanyayo noma okukhanyayo
Isilinganiso esiphezulu samandla-kuya-kuminyana
Isisindo esincane
Ukumuncwa okuncane noma okuncane koketshezi
Ukumelana namakhemikhali
I-HDPE ingenye yezinto zepulasitiki okulula kakhulu ukuthi zigaywe kabusha.Lezi zakhiwo zinquma ukusetshenziswa kwe-HDPE.
Izinhlelo zokusebenza ze-HDPE
Ezinye izinhlelo zokusebenza ezibalulekile zihlanganisa okulandelayo.
Isetshenziswa njengezitsha zezinto eziningi eziwuketshezi ezifana nobisi kanye nokugcina amakhemikhali afana notshwala.
Ukukhiqiza izikhwama zokuthenga zepulasitiki
Amathreyi
Ukufakwa kwamapayipi
I-HDPE nayo isetshenziselwa ukusika amabhodi
Yiziphi Ukufana Phakathi kwe-UHMW ne-HDPE?
I-UHMW ne-HDPE zenziwe nge-ethylene monomers.
Zombili zingama-polymers we-thermoplastic.
Zombili zinokubukeka okungaqondakali.
UHMW vs HDPE | |
I-UHMW iyi-polyethylene enesisindo se-molecular ephezulu kakhulu. | I-HDPE i-polyethylene ephezulu yokuminyana. |
Isakhiwo | |
I-UHMW inamaketanga e-polymer amade kakhulu. | I-HDPE inamaketango amafushane e-polymer uma kuqhathaniswa ne-UHMW. |
Isisindo se-Molecular of Polymer Chains | |
Amaketanga e-polymer e-UHMW anesisindo samangqamuzana aphezulu kakhulu. | Amaketanga e-polymer e-HDPE anesisindo samangqamuzana aphansi uma kuqhathaniswa ne-UHMW. |
Ukukhiqiza | |
I-UHMW ikhiqizwa phambi kwe-catalyst ye-metallocene. | I-HDPE ikhiqizwa phambi kwe-Ziegler-Natta catalyst. |
Ukumuncwa Amanzi | |
I-UHMW ayiwamumbi amanzi (ukumuncwa okuyiziro). | I-HDPE ingase imunce amanzi kancane. |
Isifinyezo-UHMW vs HDPE
Kokubili i-UHMW ne-HDPE zenziwe nge-ethylene monomers nge-polymerization.Umehluko oyinhloko phakathi kwe-UHMW ne-HDPE ukuthi i-UHMW iqukethe amaketanga e-polymer amade anesisindo samangqamuzana aphezulu kakhulu kuyilapho i-HDPE inesilinganiso esiphezulu samandla-to-density.
Isikhathi sokuthumela: Sep-11-2022