Izindaba Zemboni
-
Kuyini i-Polyethylene (PE)?
I-Polyethylene (PE), eyaziwa nangokuthi i-polythene noma i-polyethene, ingenye yamapulasitiki asetshenziswa kakhulu emhlabeni. Ama-polyethylene ngokuvamile anesakhiwo esiqondile futhi aziwa ngokuthi ama-polymers engeziwe. Ukusetshenziswa okuyinhloko kwala ma-polymers okwenziwa kusekupakishweni. I-Polyethelyne ivame ukusetshenziselwa ukwenza izikhwama zepulasitiki, amabhodlela, amafilimu epulasitiki, izitsha, kanye nama-geomembrane. Kungaphawulwa ukuthi amathani angaphezu kwezigidi eziyi-100 e-polyethene akhiqizwa minyaka yonke ngezinjongo zezentengiselwano nezezimboni. -
Ukuhlaziywa kokusebenza kwemakethe yokuthumela ngaphandle ye-PVC yezwe lami engxenyeni yokuqala ka-2022.
Engxenyeni yokuqala ka-2022, imakethe yokuthumela ngaphandle ye-PVC yanda unyaka nonyaka. Engxenyeni yokuqala, ethintwe ukwehla komnotho womhlaba kanye nobhubhane, izinkampani eziningi zokuthumela ngaphandle zasekhaya zibonise ukuthi isidingo samadiski angaphandle sinciphile. Kodwa-ke, kusukela ekuqaleni kukaMeyi, ngokuthuthukiswa kwesimo sobhubhane kanye nochungechunge lwezinyathelo ezethulwe uhulumeni waseShayina ukukhuthaza ukuvuselelwa komnotho, izinga lokusebenza kwamabhizinisi okukhiqiza i-PVC asekhaya libe phezulu kakhulu, imakethe yokuthumela ngaphandle ye-PVC ifudumele, futhi isidingo samadiski angaphandle sikhulile. Inani libonisa umkhuba othile wokukhula, futhi ukusebenza kwemakethe sekuthuthukile uma kuqhathaniswa nesikhathi esedlule. -
Isetshenziswa kuphi i-PVC?
I-polyvinyl chloride (i-PVC, noma i-vinyl) engabizi futhi eguquguqukayo isetshenziswa ezinhlotsheni ezahlukahlukene zezakhiwo nokwakhiwa, ukunakekelwa kwempilo, izinto zikagesi, izimoto kanye neminye imikhakha, emikhiqizweni esukela ekufakeni amapayipi kanye nokufaka amapayipi, izikhwama zegazi kanye namapayipi, kuya ekufakweni kwentambo kanye nekhebula, izingxenye zesistimu yefasitela lemoto nokuningi. -
Iphrojekthi yokwandisa i-ethylene kanye nokucwenga yeHainan Refinery engamathani ayizigidi isizodluliselwa.
Iphrojekthi Yokuhlanza Nokuhlanzwa Kwamakhemikhali iHainan kanye neProjekthi Yokuvuselela Nokukhulisa Ingcebo Zitholakala eYangpu Economic Development Zone, ngokutshalwa kwezimali okuphelele okungaphezu kwama-yuan ayizigidi eziyizinkulungwane ezingama-28. Kuze kube manje, inqubekela phambili yokwakha iyonke ifinyelele ku-98%. Ngemva kokuba iphrojekthi isiqediwe futhi yafakwa ekukhiqizweni, kulindeleke ukuthi iqhube ama-yuan angaphezu kwezigidi eziyizinkulungwane eziyi-100 ezimbonini ezingezansi. I-Olefin Feedstock Diversification kanye ne-High-end Downstream Forum izobanjelwa eSanya ngoJulayi 27-28. Ngaphansi kwalesi simo esisha, kuzoxoxwa ngentuthuko yamaphrojekthi amakhulu njenge-PDH, kanye nokuqhekeka kwe-ethane, umkhuba wesikhathi esizayo wobuchwepheshe obusha njengowoyela ongahluziwe oqondile kuma-olefin, kanye nokukhiqizwa okusha kwamalahle/i-methanol kuma-olefin. -
I-MIT: Ama-microparticles e-polylactic-glycolic acid copolymer enza umuthi wokugomela “ozithuthukisayo”.
Ososayensi eMassachusetts Institute of Technology (MIT) babika ephephabhukwini lakamuva i-Science Advances ukuthi bakha umuthi wokugomela ozikhulisayo womthamo owodwa. Ngemva kokuba umuthi wokugomela ufakwe emzimbeni womuntu, ungakhishwa izikhathi eziningi ngaphandle kwesidingo somjovo wokuqinisa. Umuthi wokugomela omusha kulindeleke ukuthi usetshenziswe ezifweni ezisukela ku-masculine kuya ku-Covid-19. Kubikwa ukuthi lo muthi wokugomela omusha wenziwe ngezinhlayiya ze-poly(lactic-co-glycolic acid) (PLGA). I-PLGA iyinhlanganisela ye-polymer esebenzayo ebolayo, engenabo ubuthi futhi enokuvumelana okuhle kwezinto eziphilayo. Ivunyelwe ukusetshenziswa kuma-Implants, ama-sutures, izinto zokulungisa, njll. -
Inkampani Yamakhemikhali i-Yuneng: Ukukhiqizwa kokuqala kwezimboni kwe-polyethylene efuthwayo!
Muva nje, iyunithi ye-LLDPE ye-Polyolefin Center of Yuneng Chemical Company ikhiqize ngempumelelo i-DFDA-7042S, umkhiqizo we-polyethylene ofuthwayo. Kuyaqondakala ukuthi umkhiqizo we-polyethylene ofuthwayo uwumkhiqizo osuselwa ekuthuthukisweni okusheshayo kobuchwepheshe bokucubungula obusezansi. Izinto ze-polyethylene ezikhethekile ezisebenza kahle ngokufutha ebusweni zixazulula inkinga yokusebenza kabi kombala we-polyethylene futhi zicwebezela kakhulu. Umkhiqizo ungasetshenziswa emikhakheni yokuhlobisa nokuvikela, ofanele imikhiqizo yezingane, izinto zangaphakathi zezimoto, izinto zokupakisha, kanye namathangi amakhulu okugcina ezimboni nezolimo, amathoyizi, imigwaqo yokuvikela imigwaqo, njll., futhi amathuba emakethe aphezulu kakhulu. -
Amathani ayizigidi ezingu-1.65 e-polyolefin asezobuyela emakethe yase-Asia!
Ngokusho kwezindaba zakamuva, iPengerang eJohor Bahru, eMalaysia, iqalise kabusha iyunithi yayo ye-polyethylene ephansi (LLDPE) engamathani angu-350,000 ngonyaka ngoJulayi 4, kodwa le yunithi ingathatha isikhathi ukufeza ukusebenza okuzinzile. Ngaphandle kwalokho, isitshalo sayo se-polypropylene (PP) esingu-450,000 ngonyaka, isitshalo se-polypropylene (HDPE) esingu-400,000 ngonyaka kanye nesitshalo se-polypropylene (PP) esingu-450,000 ngonyaka kulindeleke ukuthi sikhuphuke kusukela kule nyanga ukuze siqale kabusha. Ngokusho kokuhlolwa kwe-Argus, intengo ye-LLDPE eNingizimu-mpumalanga ye-Asia ngaphandle kwentela ngoJulayi 1 ingu-US$1360-1380/ton CFR, kanti intengo yokudweba ucingo lwe-PP eNingizimu-mpumalanga ye-Asia ngoJulayi 1 ingu-US$1270-1300/ton CFR ngaphandle kwentela. -
Ugwayi ushintshela ekupakishweni kwepulasitiki ebolayo eNdiya.
Ukuvinjelwa kweNdiya kwamapulasitiki angu-19 asetshenziswa kanye kuye kwabangela izinguquko embonini yayo kagwayi. Ngaphambi kukaJulayi 1, abakhiqizi bakagwayi baseNdiya babeshintshe ukupakishwa kwabo kwepulasitiki okuvamile kwaba ukupakishwa kwepulasitiki okubolayo. I-Tobacco Institute of India (TII) ithi amalungu ayo aguquliwe futhi amapulasitiki abolayo asetshenziswayo ahlangabezana nezindinganiso zomhlaba wonke, kanye nendinganiso ye-BIS ekhishwe muva nje. Bathi futhi ukubola kwepulasitiki okubolayo kuqala lapho kuthintana nenhlabathi futhi kubola ngokwemvelo lapho kwenziwa umquba ngaphandle kokucindezela izinhlelo zokuqoqwa kwemfucuza eqinile kanye nokuvuselela kabusha. -
Ukuhlaziywa Okufushane Kokusebenza Kwemakethe Yasekhaya Ye-Calcium Carbide Engxenyeni Yokuqala Yonyaka.
Engxenyeni yokuqala ka-2022, imakethe ye-calcium carbide yasekhaya ayizange iqhubeke nomkhuba wokuguquguquka okukhulu ngo-2021. Imakethe iyonke yayiseduze nomugqa wezindleko, futhi yayingaphansi kokushintshashintsha nokulungiswa ngenxa yomthelela wezinto zokusetshenziswa, ukuhlinzekwa kanye nesidingo, kanye nezimo ezingezansi. Engxenyeni yokuqala yonyaka, kwakungekho mandla amasha okukhulisa izitshalo ze-PVC ze-calcium carbide zasekhaya, futhi ukwanda kwesidingo semakethe ye-calcium carbide kwakulinganiselwe. Kunzima ngamabhizinisi e-chlor-alkali athenga i-calcium carbide ukugcina umthwalo ozinzile isikhathi eside. -
Ukuqhuma kwenzeke emshinini we-PVC we-giant petrochemical eMpumalanga Ephakathi!
Isikhulu se-petrochemical saseTurkey uPetkim simemezele ukuthi kusihlwa sangomhlaka-19 kuNhlangulana 2022, ukuqhuma kwenzeke esitshalweni sase-Aliaga. Ingozi yenzeke endaweni yokusabela i-PVC efektri, akekho owalimala, umlilo washeshe walawulwa, kodwa iyunithi ye-PVC ingase ingasebenzi okwesikhashana ngenxa yengozi. Lesi sigameko singase sibe nomthelela omkhulu emakethe ye-PVC yaseYurophu. Kubikwa ukuthi ngenxa yokuthi intengo ye-PVC eShayina iphansi kakhulu kuneyemikhiqizo yasekhaya yaseTurkey, kanye nentengo ye-PVC eYurophu iphakeme kuneyaseTurkey, iningi lemikhiqizo ye-PVC kaPetkim okwamanje ithunyelwa emakethe yaseYurophu. -
I-BASF ithuthukisa amathreyi ehhavini ambozwe nge-PLA!
Ngomhlaka-30 Juni 2022, i-BASF kanye nomkhiqizi wokupakisha ukudla wase-Australia i-Confoil bahlangane ukuze bakhe ithreyi yokudla yephepha eqinisekisiwe ekwazi ukumuncwa, esebenza kabili kuhhavini – i-DualPakECO®. Ingaphakathi lethreyi yephepha limbozwe yi-BASF's ecovio® PS1606, i-bioplastic esebenza kahle kakhulu ekhiqizwa yi-BASF. Iyipulasitiki ebola kabusha (okuqukethwe okungu-70%) exutshwe nemikhiqizo ye-ecoflex ye-BASF kanye ne-PLA, futhi isetshenziselwa ngokukhethekile ukukhiqiza izembozo zokupakisha ukudla kwephepha noma kwekhadibhodi. Zinezakhiwo ezinhle zokuvimbela amafutha, uketshezi kanye nephunga futhi zingasindisa ukukhishwa kwamagesi okushisa ukushisa. -
Ukusebenzisa imicu ye-polylactic acid kumayunifomu esikole.
I-Fengyuan Bio-Fiber ibambisene ne-Fujian Xintongxing ukufaka i-polylactic acid fiber ezindwangu zokugqoka zesikole. Umsebenzi wayo omuhle kakhulu wokumunca umswakama kanye nokujuluka uphindwe kasishiyagalombili kune-polyester fiber evamile. I-PLA fiber inezakhiwo ezilwa namagciwane ezingcono kakhulu kunanoma yiziphi ezinye izintambo. Ukuqina kwe-curling ye-fiber kufinyelela ku-95%, okungcono kakhulu kunanoma iyiphi enye i-chemical fiber. Ngaphezu kwalokho, indwangu eyenziwe nge-polylactic acid fiber inobungani nesikhumba futhi ayingeni umswakama, ifudumele futhi iyaphefumula, futhi ingavimbela namagciwane nezibungu, futhi ivimbele ilangabi futhi ingashi. Iyunifomu yesikole eyenziwe ngale ndwangu inobungani nemvelo, iphephile futhi ikhululekile kakhudlwana.