Izindaba Zemboni
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Iyini ifilimu ye-polypropylene overwrap eqondiswe kabili?
Ifilimu ye-polypropylene (BOPP) eqondiswe ku-Biaxial uhlobo lwefilimu yokupakisha eguquguqukayo. Ifilimu ye-polypropylene eqondiswe ku-Biaxial inwetshwa emshinini naseziqondisweni eziphambeneyo. Lokhu kuphumela ekuqondeni kwe-molecular chain kuzo zombili izinhlangothi. Lolu hlobo lwefilimu yokupakisha eguquguqukayo lwenziwa ngenqubo yokukhiqiza i-tubular. Ibhamuza lefilimu elibunjwe ngethubhu liyafuthwa futhi lishiswe lifike endaweni yalo yokuthambisa (lokhu kuhlukile endaweni yokuncibilika) futhi linwetshwa ngemishini. Ifilimu inwetshwa phakathi kuka-300% - 400%. Ngaphandle kwalokho, ifilimu inganwetshwa ngenqubo eyaziwa ngokuthi ukukhiqizwa kwefilimu ye-tenter-frame. Ngale ndlela, ama-polymer akhishwa ku-cast cast roll epholile (eyaziwa nangokuthi ishidi lesisekelo) bese edonswa eceleni kwendlela yomshini. Ifilimu ye-tenter-frame isenza... -
Umthamo wokuthunyelwa kwamanye amazwe ukhuphuke kakhulu kusukela ngoJanuwari kuya kuFebhuwari 2023.
Ngokwezibalo zedatha yentela: kusukela ngoJanuwari kuya kuFebhuwari 2023, umthamo wokuthunyelwa kwe-PE yasekhaya ungamathani ayi-112,400, kufaka phakathi amathani angama-36,400 e-HDPE, amathani angama-56,900 e-LDPE, kanye namathani ayi-19,100 e-LLDPE. Kusukela ngoJanuwari kuya kuFebhuwari, umthamo wokuthunyelwa kwe-PE yasekhaya ukhuphuke ngamathani angama-59,500 uma kuqhathaniswa nesikhathi esifanayo ngo-2022, ukwanda ngo-112.48%. Kusukela eshadini elingenhla, singabona ukuthi umthamo wokuthunyelwa kwempahla kusukela ngoJanuwari kuya kuFebhuwari ukhuphuke kakhulu uma kuqhathaniswa nesikhathi esifanayo ngo-2022. Ngokwezinyanga, umthamo wokuthunyelwa kwempahla ngoJanuwari 2023 ukhuphuke ngamathani ayi-16,600 uma kuqhathaniswa nesikhathi esifanayo ngonyaka odlule, kanti umthamo wokuthunyelwa kwempahla ngoFebhuwari ukhuphuke ngamathani angama-40,900 uma kuqhathaniswa nesikhathi esifanayo ngonyaka odlule; ngokwezinhlobo, umthamo wokuthunyelwa kwe-LDPE (Januwari-Febhuwari) wawungamathani angama-36,400, ye... -
Izicelo eziyinhloko ze-PVC.
1. Amaphrofayili e-PVC Amaphrofayili e-PVC namaphrofayili yizindawo ezinkulu kakhulu zokusetshenziswa kwe-PVC eShayina, abiza cishe u-25% wokusetshenziswa kwe-PVC iyonke. Asetshenziswa kakhulu ukwenza iminyango namafasitela nezinto zokonga amandla, futhi umthamo wokusetshenziswa kwawo usakhula kakhulu ezweni lonke. Emazweni athuthukile, isabelo semakethe seminyango namafasitela epulasitiki naso sihamba phambili, njenge-50% eJalimane, i-56% eFrance, kanye ne-45% e-United States. 2. Ipayipi le-PVC Phakathi kwemikhiqizo eminingi ye-PVC, amapayipi e-PVC ayinsimu yesibili ngobukhulu yokusetshenziswa, abiza cishe u-20% wokusetshenziswa kwawo. EShayina, amapayipi e-PVC athuthukiswa ngaphambi kwamapayipi e-PE namapayipi e-PP, anezinhlobo eziningi, ukusebenza okuhle kakhulu kanye nobubanzi bokusetshenziswa, athatha isikhundla esibalulekile emakethe. 3. Ifilimu le-PVC... -
Izinhlobo ze-polypropylene.
Ama-molecule e-polypropylene aqukethe amaqembu e-methyl, angahlukaniswa abe yi-isotactic polypropylene, i-atactic polypropylene kanye ne-syndiotactic polypropylene ngokwendlela amaqembu e-methyl ahlelwe ngayo. Lapho amaqembu e-methyl ehlelwe ohlangothini olufanayo lwe-main chain, ibizwa ngokuthi i-isotactic polypropylene; uma amaqembu e-methyl esatshalaliswa ngokungahleliwe kuzo zombili izinhlangothi ze-main chain, ibizwa ngokuthi i-atactic polypropylene; lapho amaqembu e-methyl ehlelwe ngokushintshana kuzo zombili izinhlangothi ze-main chain, ibizwa ngokuthi i-syndiotactic. polypropylene. Ekukhiqizweni okuvamile kwe-polypropylene resin, okuqukethwe kwesakhiwo se-isotactic (esibizwa ngokuthi i-isotacticity) cishe kungama-95%, kanti okusele kuyi-atactic noma i-syndiotactic polypropylene. I-polypropylene resin ekhiqizwa eShayina njengamanje ihlukaniswa ngokwe... -
Ukusetshenziswa kwe-resin ye-pvc yokunamathisela.
Kulinganiselwa ukuthi ngo-2000, ukusetshenziswa okuphelele kwemakethe yomhlaba wonke ye-PVC paste resin kwakungaba yizigidi eziyi-1.66 zamathani. EShayina, i-PVC paste resin inalezi zicelo ezilandelayo: Imboni yesikhumba sokwenziwa: imakethe iyonke ibhalansi yokuhlinzekwa kanye nesidingo. Kodwa-ke, uma ithinteka yintuthuko yesikhumba se-PU, isidingo sesikhumba sokwenziwa eWenzhou nakwezinye izindawo ezinkulu zokusetshenziswa kwe-paste resin singaphansi kwemikhawulo ethile. Umncintiswano phakathi kwesikhumba se-PU nesikhumba sokwenziwa unamandla kakhulu. Imboni yesikhumba saphansi: Uma ithinteka yisidingo esinciphayo sesikhumba saphansi, isidingo se-paste resin kule mboni besilokhu sincipha unyaka nonyaka eminyakeni yamuva. Imboni yezinto ezisetshenziswa ngamagilavu: isidingo sikhulu kakhulu, ikakhulukazi singeniswa kwamanye amazwe, esingesokucutshungulwa kwempahla enikeziwe... -
Ukusetshenziswa kwe-caustic soda kuhilela imikhakha eminingi.
I-Caustic soda ingahlukaniswa ibe yi-flake soda, i-granular soda kanye ne-solid soda ngokwesimo sayo. Ukusetshenziswa kwe-caustic soda kuhilela amasimu amaningi, okulandelayo yisingeniso esiningiliziwe kuwe: 1. I-petroleum ehlungiwe. Ngemva kokugezwa nge-sulfuric acid, imikhiqizo ye-petroleum isenazo ezinye izinto ezine-acidic, okumele zigezwe ngesisombululo se-sodium hydroxide bese zigezwa ngamanzi ukuze kutholakale imikhiqizo ehlungiwe. 2. ukuphrinta nokudaya Kusetshenziswa kakhulu kumadayi e-indigo kanye namadayi e-quinone. Enqubweni yokudaya amadayi e-vat, isisombululo se-caustic soda kanye ne-sodium hydrosulfite kufanele kusetshenziswe ukuze kuncishiswe kube yi-leuco acid, bese ku-oxidized ibe sesimweni sokuqala sokungancibiliki ngama-oxidants ngemva kokudaya. Ngemva kokuba indwangu yekotini iphathwe ngesisombululo se-caustic soda, i-wax, i-grease, i-starch nezinye izinto ... -
Ukubuyiselwa kwesidingo se-PVC emhlabeni wonke kuncike eShayina.
Njengoba singena ngo-2023, ngenxa yesidingo esicothayo ezifundeni ezahlukene, imakethe yomhlaba wonke ye-polyvinyl chloride (PVC) isabhekene nokungaqiniseki. Phakathi nengxenye enkulu ka-2022, amanani e-PVC e-Asia nase-United States abonise ukwehla okukhulu futhi ehla ngaphambi kokungena ngo-2023. Njengoba singena ngo-2023, phakathi kwezifunda ezahlukene, ngemuva kokuba i-China ilungise izinqubomgomo zayo zokuvimbela nokulawula ubhubhane, imakethe ilindele ukuphendula; i-United States ingakhuphula amazinga enzalo ukuze ilwe nokwehla kwamandla emali futhi inciphise isidingo se-PVC sasekhaya e-United States. I-Asia, eholwa yi-China, kanye ne-United States bandise ukuthunyelwa kwe-PVC phakathi kwesidingo esibuthakathaka somhlaba wonke. Ngokuphathelene ne-Europe, lesi sifunda sisazobhekana nenkinga yamanani aphezulu amandla kanye nokwehla kwamandla emali, futhi cishe ngeke kube nokululama okuqhubekayo emalini yenzuzo yemboni. ... -
Uyini umthelela wokuzamazama komhlaba okunamandla eTurkey ku-polyethylene?
ITurkey iyizwe elihamba phakathi kwe-Asia neYurophu. Icebile ngemithombo yamaminerali, igolide, amalahle kanye neminye imithombo, kodwa ayinayo imithombo kawoyela negesi yemvelo. Ngo-18:24 ngoFebhuwari 6, ngesikhathi saseBeijing (13:24 ngoFebhuwari 6, isikhathi sendawo), ukuzamazama komhlaba okungu-7.8 ngobukhulu kwenzeka eTurkey, okujule ngamakhilomitha angama-20 kanye ne-epicenter engama-degrees angu-38.00 enyakatho ye-latitude kanye nama-degrees angu-37.15 empumalanga ye-longitude. I-epicenter yayiseningizimu yeTurkey, eduze komngcele weSiriya. Amachweba amakhulu e-epicenter kanye nendawo ezungezile kwakuyiCeyhan (Ceyhan), Isdemir (Isdemir), kanye neYumurtalik (Yumurtalik). ITurkey neChina zinobudlelwano bokuhweba ngepulasitiki obuhlala isikhathi eside. Ukungeniswa kwe-polyethylene yaseTurkey ezweni lami kuncane kakhulu futhi kwehla unyaka nonyaka, kodwa inani lokuthumela kwamanye amazwe liyancipha kancane kancane... -
Ukuhlaziywa kwemakethe yokuthumela ngaphandle i-caustic soda yaseShayina ngo-2022.
Ngo-2022, imakethe yokuthumela ngaphandle ye-caustic soda yezwe lami iyonke izobonisa ukuthambekela okushintshashintshayo, futhi isiphakamiso sokuthumela ngaphandle sizofinyelela ezingeni eliphezulu ngoMeyi, cishe amadola aseMelika angu-750/ton, kanti isilinganiso sokuthumela ngaphandle sanyanga zonke sizoba amathani angu-210,000. Ukwanda okukhulu kwenani lokuthumela ngaphandle kwe-caustic soda ewuketshezi kungenxa yokwanda kwesidingo emazweni afana ne-Australia ne-Indonesia, ikakhulukazi ukuqaliswa kwephrojekthi ye-alumina engezansi e-Indonesia kukhulise isidingo sokuthengwa kwe-caustic soda; ngaphezu kwalokho, ethintekile ngamanani amandla aphesheya kwezilwandle, izitshalo ze-chlor-alkali zasendaweni eYurophu seziqalile ukwakhiwa. Akwanele, ukuhlinzekwa kwe-caustic soda ewuketshezi kuncishisiwe, ngaleyo ndlela ukwandisa ukungeniswa kwe-caustic soda nakho kuzokwakha ukwesekwa okuhle... -
Ukukhiqizwa kwe-titanium dioxide eShayina kufinyelele kumathani ayizigidi ezingu-3.861 ngo-2022.
Ngomhlaka-6 Januwari, ngokwezibalo ze-Secretariat ye-Titanium Dioxide Industry Technology Innovation Strategic Alliance kanye ne-Titanium Dioxide Sub-center ye-National Chemical Productivity Productivity Center, ngo-2022, ukukhiqizwa kwe-titanium dioxide ngamabhizinisi angu-41 asebenza ngokugcwele embonini ye-titanium dioxide yezwe lami kuzofeza enye impumelelo, kanye nokukhiqizwa kwemboni yonke. Umkhiqizo ophelele we-rutile ne-anatase titanium dioxide kanye neminye imikhiqizo ehlobene nawo ufinyelele kumathani ayizigidi ezingu-3.861, ukwanda kwamathani angu-71,000 noma u-1.87% unyaka nonyaka. UBi Sheng, unobhala-jikelele we-Titanium Dioxide Alliance kanye nomqondisi we-Titanium Dioxide Sub-center, uthe ngokwezibalo, ngo-2022, kuzoba nokukhiqizwa kwe-titanium dioxide egcwele yonke engu-41 ... -
I-Sinopec yenze intuthuko ekuthuthukisweni kwe-metallocene polypropylene catalyst!
Muva nje, i-catalyst ye-polypropylene ye-metallocene eyenziwe ngokuzimela yi-Beijing Research Institute of Chemical Industry iqede ngempumelelo ukuhlolwa kokuqala kwesicelo sezimboni kuyunithi yenqubo ye-polypropylene yendandatho ye-Zhongyuan Petrochemical, futhi yakhiqiza ama-resin e-polypropylene e-homopolymerized kanye ne-random copolymerized esebenza kahle kakhulu. I-China Sinopec yaba yinkampani yokuqala e-China ukuthuthukisa ngempumelelo ubuchwepheshe be-polypropylene ye-metallocene. I-polypropylene ye-Metallocene inezinzuzo zokuqukethwe okuncibilikayo okuphansi, ukucaca okuphezulu kanye nokukhanya okuphezulu, futhi iyisiqondiso esibalulekile sokuguqulwa nokuthuthukiswa komkhakha we-polypropylene kanye nentuthuko ephezulu. I-Beihua Institute iqale ucwaningo nokuthuthukiswa kwe-po... -
I-Caustic Soda (i-Sodium Hydroxide) - isetshenziselwani?
I-HD Chemicals Caustic Soda – isetshenziswa kanjani ekhaya, engadini, noma e-DIY? Ukusetshenziswa okwaziwa kakhulu ukukhipha amanzi emapayipini. Kodwa i-caustic soda isetshenziswa nakwezinye izimo eziningana zasekhaya, hhayi nje kuphela eziphuthumayo. I-Caustic soda, igama elidumile le-sodium hydroxide. I-HD Chemicals Caustic Soda inomphumela ocasulayo kakhulu esikhumbeni, emehlweni kanye nasezingxenyeni zama-mucous. Ngakho-ke, uma usebenzisa le khemikhali, kufanele uthathe izinyathelo zokuphepha – vikela izandla zakho ngamagilavu, uvale amehlo akho, umlomo kanye nekhala. Uma kwenzeka ukuthintana nento esetshenziswayo, hlanza indawo ngamanzi abandayo amaningi bese ubonana nodokotela (khumbula ukuthi i-caustic soda ibangela ukusha kwamakhemikhali kanye nokusabela okukhulu kokungezwani komzimba). Kubalulekile futhi ukugcina i-ejenti ngendlela efanele – esitsheni esivalwe kahle (i-soda isabela kakhulu...