Gịnị bụ General Njirimara nke polyethylene resin

Njirimara nke polyethylene resin

General Njirimara nke polyethylene resin

Polyethylene resin bụ ihe na-adịghị egbu egbu, ntụ ntụ ọcha ma ọ bụ granule na-esighị ike, na-acha ọcha na-acha ọcha n'ọdịdị, nke nwere mmetụta dị ka wax, na mmiri dị ala, ihe na-erughị 0.01%. Ihe nkiri polyethylene na-apụta ìhè ma na-ebelata na kristal na-abawanye. Ihe nkiri polyethylene nwere ikike mmiri dị ala mana ikuku ikuku dị elu, nke na-adabaghị maka nkwakọ ngwaahịa ọhụrụ ma dabara adaba maka nkwakọ ngwaahịa mmiri. Ọ na-ere ọkụ, nke nwere ihe nrịbama oxygen nke 17.4, obere anwụrụ ọkụ mgbe ọ na-ere ọkụ, ntakịrị ntakịrị mmiri a wụrụ awụ, odo na ire ọkụ na-acha anụnụ anụnụ na ala, na isi paraffin. Polyethylene nwere nguzogide mmiri ka mma. Elu ngwaahịa ahụ abụghị polar, siri ike ijikọ na ibipụta, ma emeziwanye ya site na ọgwụgwọ elu. Agbụ ígwè ndị ọzọ nwere alaka nwere adịghị mma na-eguzogide photodegradation na oxidation.

Ibu molekụla ya dị n'etiti 10,000 ruo 100,000. Ọ bụrụ na arọ molekụla gafere 100,000, ọ bụ polyethylene dị arọ nke dị elu. Ka ịdị elu nke molekụla dị elu, ka njirimara ya na arụ ọrụ ya dịkwuo mma, na nso nso a chọrọ ọkwa nke ihe injinia. Ma ka ịdị arọ ahụ dị elu, otú ahụ ka ọ na-esikwu ike ịhazi ya. Polyethylene nwere ebe mgbaze nke 100-130 Celsius ma nwee ezigbo nguzogide okpomọkụ dị ala. Ọ ka nwere ike ịnọgide na-enwe ezigbo ihe eji arụ ọrụ na -60 Celsius C, mana okpomọkụ na-arụ ọrụ bụ 80 ~ 110 Celsius.

Ọ bụ ihe a na-adịghị ahụkebe na ihe mgbaze ọ bụla amaara na ụlọ okpomọkụ, a pụkwara ịgbaze ya na obere ego na toluene, amyl acetate, trichlorethylene na ihe mgbaze ndị ọzọ karịa 70 ° C.

Njirimara Eletriki nke Polyethylene Resin

N'ihi na polyethylene abụghị polar, ọ nwere ezigbo ọkụ eletrik na ọnwụ dielectric dị ala na ike dielectric dị elu. Enwere ike iji ya dị ka ihe mkpuchi mkpuchi ugboro ugboro, plastik na-eguzogide corona, yana ihe mkpuchi voltaji dị elu.

Njirimara Kwesiri

Nguzogide okpomọkụ nke polyethylene adịghị elu, ọ na-eme ka ọ dịkwuo mma na mmụba nke ịdị arọ molekul na crystallinity. Ezigbo nguzogide okpomọkụ dị ala, ọnọdụ okpomọkụ nwere ike ikewapụtaralruo n'okpuru -50 ℃; na na mmụba nke ikwu molekụla uka, nke kasị ala nwere ike iru -140 ℃. Ọnụọgụ mgbasawanye ahịrị nke polyethylene buru ibu, ruo (20 ~ 24) × 10-5/K. High thermal conductivity.

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