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Aha ngwaahịa:polyethylene
Ọkpụkpọ anụ ahụ:nC2H4
CAS Mba:9002-88-4
Ọdịdị molekụla ngwaahịa:
Njirimara kemịkalụ na nke anụ ahụ na-emetụta nke ọma site na njupụta na-abawanye ụba, nke ọdịdị na oghere nke yinye molekụla na-emetụta. Ihe njupụta dị ala nwere agbụ agba agba nke ukwuu yana gbasasịrị ebe niile, ebe ihe dị elu nwere ụdọ kwụ ọtọ na nke jikọtara ọnụ. Obere njupụta polyethylene (0.926-0.9409 g/cm3) bụ soluble na organic mgbaze na okpomọkụ dị elu karịa 200°F. Ọ na-esighi ike na okpomọkụ nke ụlọ. Polyethylene dị elu (0.041-0.965 g / cm3) bụ hydrophobic, nke na-adaba na gas, ma nwee nnukwu ọkụ eletrik.
Polyethylene dị arọ dị ala nwere ezigbo nguzogide eletriki na iguzogide mmiri na ọtụtụ kemịkalụ. Ndị polymer arọ molekụla dị ọkara bụ waxes nke nwere paraffin wax, na polyethylene polymers nke nha molekụla ha dị elu karịa 10,000 bụ resin siri ike na nke siri ike maara nke ọma nke na-agbanwe ma ọ bụ isi ike. Site n'ịgbanwe ihe na-akpali akpali na ụzọ nke polymerization, ihe ndị dị ka njupụta, kristal, ịdị arọ molecular, na polydispersity nwere ike ịhazi n'ọtụtụ ebe. Polymers nwere njupụta sitere na ihe dịka 0.910 ruo 0.925 g / cm3 bụ polyethylene dị ala; ndị nwere njupụta sitere na 0.926 ruo 0.940 g / cm3 bụ polyethylene nke ọkara-njupụta; na ndị nwere njupụta sitere na 0.941 ruo 0.965 g / cm3 na karịa bụ polyethylenes dị elu.
Polyethylene (PE) bụ polymer thermoplastic nke nwere agbụ hydrocarbon ogologo. A na-eji PE mee ihe n'ọtụtụ ngwa gụnyere ngwugwu ihe nkiri na-agbanwe agbanwe na-emepụta site na usoro ihe nkiri afụfụ. A na-eji polyethylene achịkwa viscosity, ihe nkwusioru, na nkwụsi ike n'ozuzu na nhazi ihe ịchọ mma. Ngwa a na-ahụkarị gụnyere akụkụ ndị a kpụrụ akpụ akpụ akpụ, na mpaghara ndị a Polyethylene nwere ọtụtụ ojiji:
Ịgbanye na ịfụ ihe egwuregwu ụmụaka a kpụrụ akpụ, ngwa ụlọ na mkpuchi.
Oche ụgbọ ala a kpụrụ injection, akụkụ mower na pails.
Ngwunye kpụrụ akpụ, akpa nwere mgbidi na ngwa ụlọ.
Mkpuchi agbaze na-ekpo ọkụ maka akwụkwọ, mgbakwunye na nkedo ịkpụzi, kandụl, ink dabere na mmanụ na nrapado na-ekpo ọkụ.
Mgbakwunye na polyesters na-enweghị, epoxides na polymers ndị ọzọ iji nye ihe pụrụ iche nke UHMWPE. A na-eji akụkụ ụlọ ọrụ mmepụta ihe, mkpuchi ma na-eyi elu na 10-40 wt. %
Ngwa ihe nkiri na-enwe ezigbo drawdown na ike.
Ihe mgbakwunye ihe ntọhapụ ebu, mmanu na nhazi rọba, extrusion na calendering enyemaka maka PVC na enyemaka na-agbasa maka ntinye agba.
Bearings, gia, bushes na akụkụ ndị ọzọ na-akpụ akpụ.
Ọkpụkpụ ụlọ nyocha; na-eme prostheses; ihe mkpuchi eletrik; ihe nkwakọ ngwaahịa; ngwa kichin; tank na ọkpọkọ; mkpuchi akwụkwọ; textile stiffeners.
A na-eji polyethylene achịkwa viscosity, nkwusioru Njirimara, na nkwụsi ike n'ozuzu n'ụdị ịchọ mma. A na-enweta ya site na mmanụ ala mmanụ ma ọ bụ akpịrị ịkpọ nkụ nke mmanya.
Chemwin nwere ike inye nnukwu hydrocarbons na ihe mgbaze kemịkalụ maka ndị ahịa ụlọ ọrụ.Tupu nke ahụ, biko gụọ ozi ndị a bụ isi gbasara ịzụ ahịa na anyị:
1. Nchekwa
Nchekwa bụ ihe kacha anyị mkpa. Na mgbakwunye na ịnye ndị ahịa ozi gbasara iji ngwaahịa anyị dị mma na gburugburu ebe obibi, anyị na-agbakwa mbọ hụ na ihe egwu nchekwa nke ndị ọrụ na ndị ọrụ ngo belatara n'obere ezi uche na enwere ike. Ya mere, anyị na-achọ ka onye ahịa hụ na a na-ezute ụkpụrụ nbudata na nchekwa nchekwa kwesịrị ekwesị tupu nnyefe anyị (biko rụtụ aka na mgbakwunye HSSE na usoro izugbe na ọnọdụ ahịa n'okpuru). Ndị ọkachamara HSSE anyị nwere ike ịnye ntụzịaka na ụkpụrụ ndị a.
2. Usoro nnyefe
Ndị ahịa nwere ike ịtụ ma wepụta ngwaahịa sitere na chemwin, ma ọ bụ ha nwere ike nweta ngwaahịa sitere na ụlọ ọrụ nrụpụta anyị. Ụdị njem dịnụ gụnyere gwongworo, ụgbọ okporo ígwè ma ọ bụ ụgbọ njem multimodal (ọnọdụ dị iche na-emetụta).
N'ihe gbasara ihe ndị ahịa chọrọ, anyị nwere ike ịkọwapụta ihe achọrọ nke ụgbọ mmiri ma ọ bụ ụgbọ mmiri ma tinye ụkpụrụ nchekwa / nyochaa pụrụ iche na ihe ndị a chọrọ.
3. Ọnụ ọgụgụ kacha nta
Ọ bụrụ na ịzụrụ ngwaahịa sitere na webụsaịtị anyị, ọnụọgụ kacha nta bụ tọn 30.
4. Ịkwụ ụgwọ
Usoro ịkwụ ụgwọ ọkọlọtọ bụ mwepu ozugbo n'ime ụbọchị 30 site na akwụkwọ ọnụahịa ahụ.
5. Akwụkwọ nnyefe
Enyere akwụkwọ ndị a na nnyefe ọ bụla:
Bill of Lading, CMR Waybill ma ọ bụ akwụkwọ njem ndị ọzọ dị mkpa
· Asambodo nyocha ma ọ bụ nkwenye (ọ bụrụ na achọrọ ya)
Akwụkwọ metụtara HSSE kwekọrọ n'ụkpụrụ
Akwụkwọ kọstọm kwekọrọ n'ụkpụrụ (ọ bụrụ na achọrọ ya)