Nhazi nke Polyethylene

Nhazi nke Polyethylene

Nhazi nke polyethylene

A na-ekewa Polyethylene n'ime nnukwu njupụta polyethylene (HDPE), polyethylene dị ala (LDPE) na obere njupụta polyethylene (LLDPE) dị ka usoro polymerization si dị, ịdị arọ molecular na usoro agbụ.

LDPE

Ngwongwo: enweghị ụtọ, enweghị isi, adịghị egbu egbu, elu na-adịghị mma, ihe ndị na-acha ọcha na-acha ọcha, njupụta dị ka 0.920 g / cm3, ebe agbaze 130 ℃ ~ 145 ℃. Na-adịghị edozi na mmiri, ubé soluble na hydrocarbons, wdg Ọ nwere ike idi mbuze nke ọtụtụ acid na alkalis, nwere obere mmiri absorption, ka nwere ike ịnọgide na-enwe mgbanwe na ala okpomọkụ, na nwere elu eletriki mkpuchi.

Usoro mmepụta:

Enwere ụzọ abụọ nke usoro tube nrụgide dị elu na usoro kettle. Iji belata mmeghachi omume okpomọkụ na nrụgide, tubular usoro generally na-anabata onye nrụpụta ọrụ dị elu nke dị ala iji malite usoro polymerization, a na-eji ethylene dị ọcha dị ka isi akụrụngwa, propylene, propane, wdg na-eji dị ka njupụta njupụta. Emere polymerization n'okpuru ọnọdụ 330 Celsius C na 150-300MPa. A ga-edozirịrị polymer a wụrụ awụ nke na-amalite polymerization na reactor na ikewapụ ya na nrụgide dị elu, nrụgide ọkara na obere nrụgide. Mgbe nkewa gasịrị, a na-eziga ya na ntinye nke compressor dị elu (30 MPa), ebe a na-eme ka ikuku na-ekesa ikuku dị jụụ ma kewaa ma zigara ya na obere nrụgide (0.5 MPa) maka ịmegharị ihe, ebe polyethylene a wụrụ awụ. na-ezigara na granulator mgbe oke nrụgide na nkewa dị ala. Maka granulation na mmiri, n'oge granulation, ụlọ ọrụ nwere ike ịgbakwunye ihe mgbakwunye kwesịrị ekwesị dị ka mpaghara ngwa dị iche iche si dị, a na-echekwa granules na mbupu.

Jiri:

Enwere ike iji ụzọ nhazi dịka ịkpụzi injection, ịkpụzi extrusion, na ịkpụzi ọkpọ. A na-ejikarị ya dị ka agricultural ihe nkiri, ihe nkiri nkwakọ ngwaahịa ụlọ ọrụ, ihe nkiri ọgwụ na nkwakọ ngwaahịa, akụkụ igwe, ihe ndị dị mkpa kwa ụbọchị, ihe owuwu ụlọ, waya, mkpuchi USB, mkpuchi na akwụkwọ sịntetik.

LLDPE

Ngwongwo: N'ihi na ihe owuwu molekụla nke LLDPE na LDPE doro anya dị iche, ihe ndị ahụ dịkwa iche. E jiri ya tụnyere LDPE, LLDPE nwere ezigbo mgbawa mgbawa gburugburu ebe obibi na mkpuchi eletrik, nguzogide okpomọkụ dị elu, nguzogide mmetụta na nkwụsi ike.

Usoro mmepụta:

A na-emepụta resin LLDPE site na akụrụngwa polyethylene zuru oke, yana usoro mmepụta ihe nnọchiteanya bụ usoro Innovene na usoro Unipol nke UCC.

Jiri:

Site na ịkpụzi injection, extrusion, ịfụ ịkpụ na ụzọ ịkpụzi ndị ọzọ, mmepụta ihe nkiri, ihe ndị dị mkpa kwa ụbọchị, ọkpọkọ, wires na eriri, wdg.

HDPE

Njirimara: Natural, cylindrical ma ọ bụ oblate ahụ, ezigbo ahụ, urughuru size kwesịrị ịbụ 2 mm ~ 5 mm n'akụkụ ọ bụla, ọ dịghị n'ibu adịghị ọcha, ihe na-ekpo ọkụ. ntụ ntụ bụ ntụ ntụ ọcha, a na-ahapụkwa ngwaahịa ahụ ruru eru ka ọ nwee ntakịrị odo odo agba. Ọ bụ ihe a na-adịghị ahụkebe na ihe mgbaze nkịtị na ụlọ okpomọkụ, ma ọ nwere ike ịza na aliphatic hydrocarbons, aromatic hydrocarbons na halogenated hydrocarbons mgbe a na-akpọtụrụ ya ogologo oge, ọ dịkwa ntakịrị soluble na toluene na acetic acid na okpomọkụ karịa 70 Celsius. Oxidation na-eme mgbe ikpo ọkụ na ikuku na n'okpuru mmetụta nke ìhè anyanwụ. Na-eguzogide ọtụtụ acid na alkali ozize. Ọ nwere obere mmịnye mmiri, ọ ka nwere ike ịnọgide na-enwe mgbanwe na obere okpomọkụ, ma nwee mkpuchi ọkụ eletrik dị elu.

Usoro mmepụta:

A na-anabata usoro mmepụta abụọ: usoro gas na usoro slurry.

Jiri:

Iji injection ịkpụzi, ịfụ ịkpụzi, extrusion ịkpụzi, rotomolding na ụzọ ịkpụzi ndị ọzọ iji mepụta ihe nkiri ngwaahịa, mkpa kwa ụbọchị na ulo oru ojiji nke dị iche iche size nke oghere oghere, ọkpọkọ, calending teepu na tie teepu maka nkwakọ, ụdọ, ụgbụ azụ na braided eriri, Waya na eriri wdg.

Nhazi nke Polyethylene

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