Polyethylene jikọtara crossA na-eme ihe mkpuchi site na kemịkalụ ma ọ bụ ụzọ anụ ahụ iji gbanwee molekul polyethylene site na usoro ihe omimi nke linear gaa na usoro netwọkụ akụkụ atọ, site na ihe thermoplastic ruo ihe na-ekpo ọkụ, yana ịbawanye okpomọkụ na-arụ ọrụ site na 70 ℃ ruo 90 ℃, nke na-eme ka arụmọrụ ihe dịkwuo mma. .
Polyethylene jikọtara crossnwere uru ndị a.
1, Heat-eguzogide arụmọrụ;XLPE nwere usoro ntupu akụkụ atọ nwere ọmarịcha arụmọrụ na-eguzogide okpomọkụ.Ọ gaghị agbasa ma carbonize n'okpuru 200 Celsius.
The ogologo oge na-arụ ọrụ okpomọkụ nwere ike iru 90 ℃, na thermal ndụ nwere ike iru 40 afọ.
2, mkpuchi mkpuchi arụmọrụ: XLPE na-edebe ihe mbụ mma mkpuchi e ji mara Pee, na mkpuchi mkpuchi na-n'ihu ụba.Ya dielectric
The dielectric ọnwụ n'akuku tangent uru dị nnọọ obere, na ọ dịghị emetụta nke ukwuu okpomọkụ.
3, Mechanical Njirimara: N'ihi oruru nke ọhụrụ chemical agbụ n'etiti macromolecules, ike, isi ike, eyi iguzogide na mmetụta iguzogide XLPE na-mma.
A na-emezi ike, isi ike, nkwụsị nke abrasion na mmetụta mmetụta nke XLPE n'ihi nguzobe nke njikọ kemịkalụ ọhụrụ n'etiti macromolecules, si otú a na-akwụ ụgwọ maka adịghị ike nke PE nke na-adị mfe site na nrụgide gburugburu ebe obibi.
4, Chemical eguzogide: XLPE nwere ike acid na alkali iguzogide na mmanụ eguzogide, na combustion ngwaahịa bụ tumadi mmiri na carbon dioxide.
Ọ bụ obere ihe na-emerụ ahụ na gburugburu ebe obibi ma na-emezu ihe achọrọ nke nchekwa ọkụ nke oge a.
Oge nzipu: Nov-03-2022