Izindaba Zemboni
-
Inzuzo yemboni yemikhiqizo yepulasitiki iyaqhubeka nokwenza ngcono amanani entengo ye-polyolefin aqhubekele phambili
Ngokusho kweNational Bureau of Statistics, ngoJuni 2023, amanani entengo abakhiqizi bezimboni kazwelonke ehle ngo-5.4% unyaka nonyaka kanye no-0.8% inyanga nenyanga. Izintengo zokuthenga zabakhiqizi bezimboni zehle ngo-6.5% unyaka nonyaka kanye no-1.1% inyanga nenyanga. Engxenyeni yokuqala yalo nyaka, amanani abakhiqizi bezimboni ehle ngo-3.1% uma kuqhathaniswa nesikhathi esifanayo ngonyaka odlule, futhi amanani okuthenga abakhiqizi bezimboni ehle ngo-3.0%, lapho amanani emboni yempahla eluhlaza ehle 6.6%, amanani embonini yokucubungula ehle ngo-3.4%, amanani embonini yokukhiqiza amakhemikhali nemikhiqizo yamakhemikhali ehle ngo-9.4%, futhi amanani emboni yenjoloba nemikhiqizo yepulasitiki ehle ngo-3.4%. Ngokombono omkhulu, intengo ye-processin... -
Yiziphi izici ezivelele zokusebenza okubuthakathaka kwe-polyethylene engxenyeni yokuqala yonyaka kanye nemakethe engxenyeni yesibili?
Engxenyeni yokuqala ka-2023, amanani kawoyela ongahluziwe wamazwe ngamazwe aqale akhuphuka, ase ehla, bese eguquguquka. Ekuqaleni konyaka, ngenxa yamanani aphezulu kawoyela ongahluziwe, izinzuzo zokukhiqizwa kwamabhizinisi e-petrochemical zazisezimbi kakhulu, kanti amayunithi okukhiqizwa kwe-petrochemical yasekhaya ahlala ikakhulukazi emithwalweni ephansi. Njengoba isizinda samandla adonsela phansi amanani kawoyela ongahluziwe siyehla kancane kancane, umthamo wasekhaya unyukile. Ukungena engxenyeni yesibili, inkathi yokugcinwa okugxilile kwemishini yasekhaya ye-polyethylene isifikile, futhi ukugcinwa kwemishini yasekhaya ye-polyethylene kuye kwaqala kancane kancane. Ikakhulukazi ngoJuni, ukugxila kwemishini yokulungisa kwaholela ekwehleni kokunikezwa kwasekhaya, futhi ukusebenza kwemakethe kuye kwaba ngcono ngenxa yalokhu kusekelwa. Esikhathini sesibili... -
Ukwehla okuqhubekayo kwengcindezi ephezulu ye-polyethylene kanye nokuncipha okuyingxenye okwalandela kokunikezwa
Ngo-2023, imakethe yasekhaya enengcindezi ephezulu izoba buthaka futhi yehle. Isibonelo, impahla yefilimu evamile engu-2426H emakethe yaseNyakatho ye-China izokwehla isuka ku-9000 yuan/ton ekuqaleni konyaka iye ku-8050 yuan/ton ekupheleni kukaMeyi, ngokwehla ngo-10.56%. Isibonelo, i-7042 emakethe yaseNyakatho ye-China izokwehla isuka ku-8300 yuan/ton ekuqaleni konyaka iye ku-7800 yuan/ton ekupheleni kukaMeyi, ngokuncipha ngo-6.02%. Ukwehla kwengcindezi ephezulu kuphezulu kakhulu kunomugqa. Kusukela ekupheleni kukaMeyi, umehluko wentengo phakathi kwengcindezi ephezulu kanye ne-linear inciphe ukuze ibe mncane kakhulu eminyakeni emibili edlule, ngomehluko wentengo ongu-250 yuan/ton. Ukwehla okuqhubekayo kwamanani entengo ephezulu kuthintwa ikakhulukazi isizinda sesidingo esibuthakathaka, i-inventory ephezulu yomphakathi, kanye... -
Yimaphi amakhemikhali iChina iwathumele eThailand?
Ukuthuthukiswa kwemakethe yamakhemikhali yaseNingizimu-mpumalanga ye-Asia kusekelwe eqenjini elikhulu labathengi, abasebenzi ababiza kancane, nezinqubomgomo ezixegayo. Abanye abantu embonini bathi isimo samanje semakethe yamakhemikhali eNingizimu-mpumalanga ye-Asia sifana kakhulu nelaseShayina ngeminyaka yawo-1990. Ngokuhlangenwe nakho kokuthuthuka okusheshayo kwemboni yamakhemikhali yaseChina, ukuthambekela kokuthuthuka kwemakethe yaseNingizimu-mpumalanga ye-Asia sekucace kakhulu. Ngakho-ke, kunamabhizinisi amaningi abheke phambili akhulisa ngenkuthalo imboni yamakhemikhali yaseNingizimu-mpumalanga ye-Asia, njengeketango lemboni ye-epoxy propane kanye nochungechunge lwezimboni ze-propylene, futhi andisa ukutshalwa kwezimali kwawo emakethe yaseVietnam. (1) I-Carbon black iyikhemikhali enkulu kunazo zonke ethunyelwa isuka e-China iye e-Thailand Ngokwezibalo zedatha yamasiko, isikali se-carbon bla... -
Ukwenyuka okukhulu ekukhiqizweni kwe-high-voltage yasekhaya kanye nokuncipha komehluko wamanani omugqa
Kusukela ngo-2020, izitshalo ezifuywayo ze-polyethylene zingene emjikelezweni wokwandisa ophakathi nendawo, futhi umthamo wonyaka wokukhiqiza we-PE yasekhaya ukhule ngokushesha, ngesilinganiso sokukhula sonyaka esingaphezu kwe-10%. Ukukhiqizwa kwe-polyethylene ekhiqizwa ekhaya kuye kwanda ngokushesha, nge-homogenization yomkhiqizo onzima kanye nokuncintisana okunamandla emakethe ye-polyethylene. Yize isidingo se-polyethylene siphinde sakhombisa ukuthambekela kokukhula eminyakeni yamuva nje, ukukhula kwesidingo akubanga ngokushesha njengezinga lokukhula kokuhlinzekwa. Kusukela ngo-2017 kuya ku-2020, amandla amasha okukhiqiza e-polyethylene yasekhaya agxile kakhulu ezinhlobonhlobo ze-voltage ephansi kanye ne-linear, futhi kwakungekho mishini yamandla kagesi aphezulu asetshenziswe e-China, okuholele ekusebenzeni okuqinile emakethe yamandla kagesi aphezulu. Ngo-2020, njengoba intengo ihluka... -
Ikusasa: gcina ukuguquguquka kwebanga, hlela futhi ulandele isiqondiso sendawo yezindaba
Ngo-May 16, inkontileka ye-Liansu L2309 yavulwa ku-7748, enenani elincane le-7728, inani eliphakeme le-7805, kanye nenani lokuvala le-7752. Uma kuqhathaniswa nosuku lwangaphambili lokuhweba, likhuphuke ngo-23 noma 0.30%, ngokuxazulula. intengo ye-7766 kanye nenani lokuvala lika-7729. Uhla lwe-2309 lwe-Liansu lwashintshashintsha, ngokuncipha okuncane kwezikhundla kanye nokuvalwa komugqa omuhle. Umkhuba wacindezelwa ngaphezu kwesilinganiso esihambayo se-MA5, futhi ibha eluhlaza ngaphansi kwenkomba ye-MACD yehla; Ngokombono wenkomba ye-BOLL, inhlangano ye-K-line ichezuka kumzila ophansi futhi isikhungo samandla adonsela phansi siya phezulu, kuyilapho inkomba ye-KDJ inokulindela ukwakheka kwesignali ende. Kusengenzeka ukuthi kukhuphukele phezulu ekubumbeni okuqhubekayo kwesikhathi esifushane, okulinde isiqondiso esivela ku-n... -
Yiziphi Izinhlobo Ezihlukene Ze-polyethylene?
I-Polyethylene ivamise ukuhlukaniswa ibe enye yezinhlanganisela ezinkulu ezimbalwa, ezivame kakhulu ezihlanganisa i-LDPE, i-LLDPE, i-HDPE, ne-Ultrahigh Molecular Weight Polypropylene. Ezinye izinhlobo zihlanganisa i-Medium Density Polyethylene (MDPE), i-polyethylene ye-Ultra-low-molecular-weight (ULMWPE noma i-PE-WAX), i-High-molecular-weight polyethylene (HMWPE), i-High-density cross-linked polyethylene (HDXLPE), Cross-linked i-polyethylene (i-PEX noma i-XLPE), i-polyethylene ephansi kakhulu (VLDPE), ne-Chlorinated polyethylene (CPE). I-Low-Density Polyethylene (LDPE) iyinto evumelana nezimo kakhulu enezici zokugeleza ezihlukile eziyenza ifaneleke ngokukhethekile izikhwama zokuthenga nezinye izinhlelo zokusebenza zefilimu yepulasitiki. I-LDPE ine-ductility ephezulu kodwa amandla aphansi aqinile, okubonakala emhlabeni wangempela ngokuthambekela kwayo ukwelula ... -
Amandla okukhiqiza i-titanium dioxide kulo nyaka azokwephula amathani ayizigidi ezingu-6!
Kusukela mhla zingama-30 kuNdasa kuya kumhla lu-1 kuMbasa, iNgqungquthela Kazwelonke Yomkhakha Wemboni ye-Titanium Dioxide ka-2022 yabanjwa eChongqing. Kufundwe emhlanganweni ukuthi amandla okukhipha kanye nokukhiqiza kwe-titanium dioxide azoqhubeka ekhula ngo-2022, futhi ukugxila kwamandla okukhiqiza kuzokwanda; ngesikhathi esifanayo, isikali sabakhiqizi abakhona sizokwandisa futhi amaphrojekthi okutshalwa kwezimali ngaphandle kwemboni azokwanda, okuzoholela ekushodeni kwe-titanium ore supply. Ngaphezu kwalokho, ngokukhula kwemboni entsha yezinto zebhethri yamandla, ukwakhiwa noma ukulungiswa kwenani elikhulu lamaphrojekthi e-iron phosphate noma i-lithium iron phosphate kuzoholela ekukhuphukeni komthamo wokukhiqiza i-titanium dioxide futhi kuqinise ukungqubuzana phakathi kokuhlinzekwa nokufunwa kwe-titani. ... -
Iyini ifilimu ye-Biaxially Oriented Polypropylene Overwrap?
Ifilimu ye-Biaxially oriented polypropylene (BOPP) iwuhlobo lwefilimu yokupakisha eguquguqukayo. Ifilimu ye-polypropylene overwrap eyenziwe nge-Biaxially yeluliwe emshinini naseziqondisweni eziphambene. Lokhu kubangela umumo wochungechunge lwamangqamuzana kuzo zombili izinkomba. Lolu hlobo lwefilimu yokupakisha eguquguqukayo lwenziwa ngenqubo yokukhiqiza amashubhu. Ibhamuza lefilimu elimise okweshubhu liyafuthwa bese lishiselwa lize lifike endaweni yalo yokuthamba (lokhu kwehlukile endaweni yokuncibilika) futhi yelulelwa ngemishini. Ifilimu inweba phakathi kuka-300% - 400%. Kungenjalo, ifilimu inganwetshwa ngenqubo eyaziwa ngokuthi ukukhiqizwa kwefilimu ye-tent-frame. Ngale ndlela, ama-polymers adluliselwa ku-cast cast roll epholile (owaziwa nangokuthi i-base sheet) futhi adwetshwe ngendlela yomshini. Ifilimu ye-Tenter-frame isenza... -
Umthamo wokuthekelisa ukhule kakhulu kusukela ngoJanuwari kuya kuFebhuwari 2023.
Ngokwezibalo zedatha yamasiko: kusukela ngoJanuwari kuya kuFebruwari 2023, ivolumu yasekhaya yokuthekelisa ye-PE ingamathani angu-112,400, okuhlanganisa amathani angu-36,400 e-HDPE, amathani angu-56,900 e-LDPE, kanye namathani angu-19,100 e-LLDPE. Kusukela ngoJanuwari kuya kuFebhuwari, umthamo wangaphakathi we-PE ukhuphuke ngamathani angama-59,500 uma kuqhathaniswa nesikhathi esifanayo ngo-2022, okukhuphuke ngo-112.48%. Kusuka eshadini elingenhla, singabona ukuthi ivolumu yokuthumela ngaphandle kusukela ngoJanuwari kuya kuFebruwari ikhuphuke kakhulu uma iqhathaniswa nesikhathi esifanayo ngo-2022. Ngokwezinyanga, umthamo wokuthekelisa ngo-January 2023 ukhuphuke ngamathani angu-16,600 uma kuqhathaniswa nesikhathi esifanayo ngonyaka odlule, futhi umthamo wokuthunyelwa kwempahla kwamanye amazwe ngoFebhuwari ukhuphuke ngamathani angu-40,900 uma kuqhathaniswa nesikhathi esifanayo ngonyaka odlule; ngokuya ngezinhlobonhlobo, umthamo wokuthekelisa we-LDPE (Januwari-Februwari) wawungamathani angama-36,400 , a ye... -
Izinhlelo zokusebenza eziyinhloko ze-PVC.
1. Amaphrofayili e-PVC I-PVC Amaphrofayili kanye namaphrofayili yizindawo ezinkulu kakhulu zokusetshenziswa kwe-PVC e-China, okubalelwa cishe ku-25% wengqikithi yokusetshenziswa kwe-PVC. Ngokuyinhloko zisetshenziselwa ukwenza iminyango namafasitela nezinto zokonga amandla, futhi umthamo wazo wokufaka isicelo usakhula kakhulu ezweni lonke. Emazweni athuthukile, ingxenye yemakethe yezicabha namafasitela epulasitiki nayo ihamba phambili, njengamaphesenti angama-50 eJalimane, angama-56% eFrance, nama-45% e-United States. 2. Ipayipi le-PVC Phakathi kwemikhiqizo eminingi ye-PVC, amapayipi e-PVC ayindawo yesibili enkulu yokusetshenziswa, ehlanganisa cishe u-20% wokusetshenziswa kwawo. E-China, amapayipi e-PVC athuthukiswa ngaphambi kwamapayipi e-PE namapayipi e-PP, anezinhlobonhlobo eziningi, ukusebenza okuhle kakhulu kanye nobubanzi bezicelo ezibanzi, athatha isikhundla esibalulekile emakethe. 3. Ifilimu ye-PVC... -
Izinhlobo ze-polypropylene .
Ama-molecule e-polypropylene aqukethe amaqembu e-methyl, angahlukaniswa abe yi-isotactic polypropylene, atactic polypropylene kanye ne-sydiotactic polypropylene ngokuvumelana nokuhlelwa kwamaqembu e-methyl. Lapho amaqembu e-methyl ehlelwa ohlangothini olufanayo lweketango eliyinhloko, libizwa ngokuthi i-isotactic polypropylene; uma amaqembu e-methyl esatshalaliswa ngokungahleliwe ezinhlangothini zombili zeketango eliyinhloko, kubizwa ngokuthi i-atactic polypropylene; lapho amaqembu e-methyl ehlelwa ngokushintshana ezinhlangothini zombili zeketango eliyinhloko, ibizwa ngokuthi i-sydiotactic. i-polypropylene. Ekukhiqizweni okujwayelekile kwe-polypropylene resin, okuqukethwe kwesakhiwo se-isotactic (okubizwa ngokuthi isotacticity) cishe ku-95%, kanti enye i-atactic noma i-sydiotactic polypropylene. I-polypropylene resin okwamanje ekhiqizwa eChina ihlukaniswa ngokusho ...