Pee: polyethylene PE resin bụ ihe na-adịghị egbu egbu ma na-esi ísì ụtọ ọcha ma ọ bụ ntụ ntụ, nke nwere ọdịdị ọcha na-acha ọcha na nke waxy; ọ bụ na-enwu ọkụ, nke nwere ndepụta oxygen nke naanị 17.4%, obere anwụrụ ọkụ na dripping n'oge combustion, odo na ire ọkụ na-acha anụnụ anụnụ n'okpuru.
Paraffin isi; obere absorption nke mmiri (polyethylene)Pee polyethylene Pee nwereobere ọnụọgụ abụọ na njikọta ether na molekul ahụ, ya mere nguzogide ihu igwe nke PE adịghị mma, anwụ na mmiri ozuzo ga-eme ka ịka nká, ọ dị mkpa ka ịgbakwunye antioxidants, ndị na-edozi ọkụ iji melite Nzuzo ọkụ nke polyethylene PE na gas na-enweghị atụ dị mma, na ọnọdụ ire ere nwere ike iru 300â „ƒ ma ọ bụ karịa; ma mgbe ọnọdụ okpomọkụ karịrị 50â „ƒ na ọnọdụ a na-ekpo ọkụ, ikuku oxygen dị ọkụ ga-eme ka mmebi emebi, ya mere, ọ dị mkpa ịgbakwunye antioxidants iji meziwanye ya. Dịka ọmụmaatụ, isi ihe na-akpata antioxidant 1010 na inyeaka na antioxidant 168; mgbochi okpomọkụ nke Pee na ikuku adịghị mma, ọ ga-akawanye mma na mmụba nke arọ molekụla na crystallinity; ma ndị na-eguzogide okpomọkụ dị ala nke Pee dị ezigbo mma, na ọnọdụ okpomọkụ ya dị ala na-agbanye ala -50â ƒ, na mmụba nke ịdị arọ molekụla, nke kachasị ala nwere ike iru -140â „; ihe na-ekpo ọkụ nke Pee dị elu, HDPE> LLDPE> LDPE; ọnụọgụ mmụba nke ọnụọgụ nke PE bụ nnukwu, nke bụ nke ka ukwuu n'etiti ụdị plastik, na nke kachasị elu ruo (20 ~ 24) × 10 -5 -5 K -1 -1, LDPE> LLDPE> HDPE.
1. Obere njupụta polyethylene LLDPE Obere njupụtapolyethylene LLDPE: Molekul yinye nke obere-njupụta polyethylene nwere ogologo na mkpụmkpụ alaka na crystallinity Low, na molekụla ibu bụ n'ozuzu 50,000 ka 500,000, a milky ọcha translucent waxy siri ike resin, na-abụghị na-egbu egbu, ala softening, ezi mgbanwe, ezi na-eguzogide, ezi obere nguzogide okpomọkụ, ma nwee ike ịbụ na -60â „ƒ Na-arụ ọrụ na -80â ƒ ƒ, ezigbo ihe mkpuchi eletriki.
2. LDPE nwere adịghị ike n'ibu, obere okpomọkụ na-eguzogide, nsogbu nrụgide gburugburu ebe obibi na-adịghị mma, adhesion, na mbipụta akwụkwọ, ma chọọ ọgwụgwọ elu iji melite arụmọrụ ya. LDPE Mmiri dị ala nke ukwuu, ihe fọrọ nke nta ka ọ bụrụ mmịnye mmiri, ezigbo nkwụsi ike nke kemịkalụ, dị ka anụ na acid, alkalis, salts, na ihe na-edozi ahụ. Nnukwu permeability na carbon dioxide na organic odors, ma ogbenye permeability mmiri vepo na ikuku. Mfe ọkụ, Ọkụ nwere paraffin isi, ọ dị mfe iweda ma gbanwee agba n'okpuru omume nke ìhè anyanwụ na okpomọkụ.
3. Nnukwu polyethylene HDPE:Nnukwu polyethylene HDPE: Ọ bụ ihe na-acha ọcha ọcha translucent waxy siri ike, ogo nke alaka nke HDPE bụ nke pekarịsịrị ike, na ike mkpụrụ ndụ siri ike Stacked, yabụ njupụta ahụ dị elu, crystallinity dị elu. HDPE nwere oke nguzogide okpomọkụ, nguzogide mmanụ, nguzogide uzuoku na nsogbu nke gburugburu ebe obibi na-agba ume, mkpuchi eletriki, mmegide mmetụta na nguzogide oyi. HDPE dị ike ma ọrụ ịka nká dị mma karịa nke PP, na ọnọdụ ọrụ dị elu karịa nke PVC na LDPE. HDPE nwere obere mmiri absorption, na-abụghị egbu egbu, magburu onwe chemical kwụsie ike, na ihe nkiri nwere obere permeability mmiri vepo na ikuku.
