Akụkọ
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Kedu ka ị ga-esi mara ma plastik ọ bụ polypropylene?
Otu n'ime ụzọ kachasị mfe isi mee nnwale ire ọkụ bụ site n'ịbepụ ihe nlele sitere na plastik ahụ ma gbanye ya n'ime kabọd anwụrụ ọkụ. Agba nke ire ọkụ, isi ísì na njirimara nke ọkụ nwere ike inye ihe ngosi nke ụdị plastik: 1. Polyethylene (PE) - Mmiri na-agbapụta, na-esi isi dị ka kandụl; 2. Polypropylene (PP) - Mmiri na-agbapụta, na-esi isi nke mmanụ injin ruru unyi na ụda nke kandụl; 3. Polymethylmethacrylate (PMMA, "Perspex") - Mmiri na-agbapụta, na-agbawa agbawa, isi ísì ụtọ; 4. Polyamide ma ọ bụ "Nylon" (PA) - Ọkụ na-agbawa agbawa, isi nke marigolds; 5. Acrylonitrilebutadienestyrene (ABS) - Ọ naghị apụta ìhè, ire ọkụ na-agbawa agbawa, isi nke marigolds; 6. Ụfụfụ Polyethylene (PE) - Mmiri na-agbapụta agbawa, isi nke kandụl -
Mars M Beans ewepụtala ngwugwu akwụkwọ PLA nke nwere ike ire ere na China.
Na 2022, Mars wepụtara chocolate M&M mbụ e ji akwụkwọ mejupụtara ya nke a na-ere ere na China. E ji ihe ndị a na-ere ere dịka akwụkwọ na PLA mee ya, nke na-anọchi nkwakọ ngwaahịa plastik dị nro n'oge gara aga. Nkwakọ ngwaahịa ahụ agafeela GB/T. Usoro mkpebi nke 19277.1 egosila na n'okpuru ọnọdụ mmetọ ụlọ ọrụ mmepụta ihe, ọ nwere ike imebi ihe karịrị 90% n'ime ọnwa isii, ọ ga-aghọkwa mmiri na-egbu egbu, carbon dioxide na ngwaahịa ndị ọzọ na-abụghị ihe ndị dị ndụ mgbe emebisịrị. -
Mbupụ PVC nke China ka dị elu n'ọkara mbụ nke afọ a.
Dịka ọnụọgụgụ ndị ọrụ kọstọm kachasị ọhụrụ si kwuo, na June 2022, olu ntụ ntụ PVC dị ọcha nke mba m na-ebubata bụ tọn 29,900, mmụba nke 35.47% site na ọnwa gara aga na mmụba nke 23.21% kwa afọ; na June 2022, olu mbupụ ntụ ntụ PVC dị ọcha nke mba m bụ tọn 223,500, Mbelata nke ọnwa kwa ọnwa bụ 16%, mmụba nke afọ kwa afọ bụ 72.50%. Olu mbupụ ahụ nọgidere na-enwe ọkwa dị elu, nke mere ka ọkọnọ dị ukwuu n'ahịa obodo belata ruo n'ókè ụfọdụ. -
Gịnị bụ Polypropylene (PP)?
Polypropylene (PP) bụ thermoplastic siri ike, siri ike, na kristal. E ji propene (ma ọ bụ propylene) monomer mee ya. Resin hydrocarbon a bụ polima kachasị mfe n'etiti plastik ngwaahịa niile. PP na-abịa dị ka homopolymer ma ọ bụ copolymer ma enwere ike ịkwalite ya nke ukwuu site na ihe mgbakwunye. Ọ na-achọta ọrụ na nkwakọ ngwaahịa, ụgbọ ala, ihe eji eme ihe n'ahịa, ọgwụ, ihe nkiri a kpụrụ akpụ, wdg. PP aghọwo ihe a na-ahọrọ, karịsịa mgbe ị na-achọ polima nwere ike dị elu (dịka ọmụmaatụ, vs Polyamide) na ngwa injinia ma ọ bụ naanị ịchọ uru ọnụ ahịa na karama ịkpụzi ihe (vs. PET). -
Kedu ihe bụ Polyethylene (PE)?
Polyethylene (PE), nke a makwaara dị ka polythene ma ọ bụ polyethene, bụ otu n'ime plastik ndị a na-ejikarị eme ihe n'ụwa. Polyethylene na-enwekarị nhazi kwụ ọtọ ma a maara ha dị ka polymers agbakwunyere. Ihe mbụ e ji eme polymers sịntetik a bụ n'ime nkwakọ ngwaahịa. A na-ejikarị Polyethelyne eme akpa plastik, karama, ihe nkiri plastik, akpa, na geomembranes. A pụrụ ịmara na a na-emepụta ihe karịrị tọn 100 nde nke polyethene kwa afọ maka ebumnuche azụmahịa na ụlọ ọrụ mmepụta ihe. -
Nyocha nke ọrụ nke ahịa mbupụ PVC nke obodo m na ọkara mbụ nke 2022.
N'ọkara mbụ nke afọ 2022, ahịa mbupụ PVC mụbara kwa afọ. Na nkeji mbụ, nke nsogbu akụ na ụba ụwa na ọrịa na-efe efe metụtara, ọtụtụ ụlọ ọrụ mbupụ n'ime obodo gosiri na ọchịchọ maka diski mpụga ebelatala. Agbanyeghị, kemgbe mmalite Mee, site na mmụba nke ọnọdụ ọrịa na usoro usoro gọọmentị China webatara iji gbaa ume mgbake akụ na ụba, ọnụego ọrụ nke ụlọ ọrụ mmepụta PVC n'ime obodo adịla elu, ahịa mbupụ PVC amụbaala, ọchịchọ maka diski mpụga amụbaala. Ọnụọgụ ahụ na-egosi usoro uto ụfọdụ, arụmọrụ zuru oke nke ahịa ahụ akawanyela mma ma e jiri ya tụnyere oge gara aga. -
Kedu ihe eji PVC eme?
A na-eji polyvinyl chloride (PVC, ma ọ bụ vinyl) dị ọnụ ala ma dị iche iche eme ihe n'ọtụtụ ụzọ n'ụlọ na owuwu, nlekọta ahụike, ngwa eletrọnịkị, ụgbọala na ngalaba ndị ọzọ, na ngwaahịa dịka paịpụ na siding, akpa ọbara na tubing, ruo na mkpuchi waya na eriri, ihe ndị mejupụtara sistemu windo na ihe ndị ọzọ. -
Nzukọ ụtụtụ nke Chemdo na Julaị 26.
N'ụtụtụ nke Julaị 26, Chemdo nwere nzukọ otu. Ná mmalite, onye njikwa izugbe kwupụtara echiche ya gbasara ọnọdụ akụ na ụba dị ugbu a: akụ na ụba ụwa adaala, ụlọ ọrụ azụmaahịa mba ofesi niile adaala, ọchịchọ na-ebelata, ọnụego ibu ibu n'oké osimiri na-ada ada. Chetakwara ndị ọrụ na na njedebe nke Julaị, enwere ụfọdụ okwu onwe onye kwesịrị ka a dozie, nke enwere ike ịhazi ozugbo enwere ike. Ma chọpụta isi okwu nke vidiyo mgbasa ozi ọhụrụ nke izu a: Nnukwu Mbelata na azụmaahịa mba ofesi. Mgbe ahụ ọ kpọrọ ọtụtụ ndị ọrụ ibe ya ka ha kesaa akụkọ kachasị ọhụrụ, ma mechaa gbaa ngalaba ego na akwụkwọ ume ka ha debe akwụkwọ ndị ahụ nke ọma. -
A ga-enyefe ọrụ mgbasawanye nke ethylene na refinery nke Hainan Refinery nke ruru nde tọn.
Ọrụ Hainan Refining and Chemical Ethylene na Ọrụ Mmegharị na Mgbasawanye Refining dị na Mpaghara Mmepe Akụnụba Yangpu, yana ntinye ego karịrị ijeri yuan 28. Ruo ugbu a, ọganihu owuwu dum erutela 98%. Mgbe emechara ọrụ ahụ ma tinye ya n'ọrụ mmepụta, a na-atụ anya na ọ ga-eweta ihe karịrị ijeri yuan 100 nke ụlọ ọrụ ndị dị n'okpuru ala. A ga-eme Olefin Feedstock Diversification and High-end Downstream Forum na Sanya na Julaị 27-28. N'okpuru ọnọdụ ọhụrụ a, a ga-atụle mmepe nke nnukwu ọrụ dịka PDH, na mgbawa ethane, usoro ọdịnihu nke teknụzụ ọhụrụ dị ka mmanụ ala kpọmkwem na olefins, na ọgbọ ọhụrụ nke coal/methanol na olefins. -
MIT: Polylactic-glycolic acid copolymer microparticles na-emepụta ọgwụ mgbochi "na-eme ka onwe ya ka mma".
Ndị ọkà mmụta sayensị na Massachusetts Institute of Technology (MIT) kọrọ n'akwụkwọ akụkọ Science Advances na nso nso a na ha na-emepụta ọgwụ mgbochi nke na-eme ka mmadụ nwee ike ịgbake otu ugboro. Mgbe a gbanyere ọgwụ mgbochi ahụ n'ime ahụ mmadụ, enwere ike ịhapụ ya ọtụtụ ugboro na-enweghị mkpa maka ọgwụ mgbochi mkpali. A na-atụ anya na a ga-eji ọgwụ mgbochi ọhụrụ a megide ọrịa dị iche iche site na measles ruo Covid-19. A kọrọ na ọgwụ mgbochi ọhụrụ a bụ nke sitere na ihe ndị dị na poly(lactic-co-glycolic acid) (PLGA). PLGA bụ ihe na-emebi emebi nke na-adịghị egbu egbu ma nwee ezigbo ndakọrịta bio. A kwadoro ya maka iji ya na ihe ndị e tinyere n'ime ya, ihe e ji akwa ákwà, ihe ndozi, wdg. -
Ụlọ ọrụ kemịkalụ Yuneng: Mmepụta mbụ nke polyethylene a na-agba mmiri!
N'oge na-adịbeghị anya, ngalaba LLDPE nke Polyolefin Center nke Yuneng Chemical Company mepụtara DFDA-7042S nke ọma, ngwaahịa polyethylene a na-agba. A ghọtara na ngwaahịa polyethylene a na-agba agba bụ ngwaahịa sitere na mmepe ngwa ngwa nke teknụzụ nhazi ala. Ihe polyethylene pụrụ iche nwere arụmọrụ ịgba mmiri n'elu na-edozi nsogbu nke arụmọrụ agba na-adịghị mma nke polyethylene ma nwee nnukwu gloss. Enwere ike iji ngwaahịa a mee ihe n'ọhịa ịchọ mma na nchekwa, dabara adaba maka ngwaahịa ụmụaka, ime ụlọ ụgbọala, ihe nkwakọ ngwaahịa, yana nnukwu tankị nchekwa ụlọ ọrụ mmepụta ihe na ugbo, ihe egwuregwu, ihe nchekwa okporo ụzọ, wdg, atụmanya ahịa dịkwa oke ukwuu. -
Petronas nde tọn polyolefin 1.65 na-achọ ịlaghachi n'ahịa Eshia!
Dịka akụkọ kachasị ọhụrụ si kwuo, Pengerang dị na Johor Bahru, Malaysia, amaliteghachila ngwaọrụ polyethylene dị larịị nke nwere tọn 350,000/afọ linear low-density polyethylene (LLDPE) na Julaị 4, mana ngwaọrụ ahụ nwere ike were oge iji rụpụta ọrụ kwụsiri ike. E wezụga nke ahụ, a na-atụkwa anya na osisi Spheripol nke nwere tọn 450,000/afọ polypropylene (PP), osisi polyethylene dị larịị nke nwere tọn 400,000/afọ na osisi Spherizone nke nwere tọn 450,000/afọ polypropylene (PP) ga-abawanye site n'ọnwa a iji maliteghachi ọrụ. Dịka nyocha Argus si kwuo, ọnụahịa LLDPE na Ndịda Ọwụwa Anyanwụ Eshia na-enweghị ụtụ isi na Julaị 1 bụ US$1360-1380/ton CFR, ọnụahịa nke eserese waya PP na Ndịda Ọwụwa Anyanwụ Eshia na Julaị 1 bụ US$1270-1300/ton CFR na-enweghị ụtụ isi.