Izindaba
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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 ... -
Ukusetshenziswa kwe-paste pvc resin.
Kulinganiselwa ukuthi ngo-2000, ukusetshenziswa okuphelele kwemakethe ye-PVC yokunamathisela resin yomhlaba wonke kwakulinganiselwa ku-1.66 million t/a. E-China, i-PVC yokunamathisela i-resin ngokuyinhloko inalezi zicelo ezilandelayo: Imboni yesikhumba yokwenziwa: ukunikezwa kwemakethe iyonke kanye nebhalansi yesidingo. Kodwa-ke, okuthintwe ukuthuthukiswa kwesikhumba se-PU, isidingo sesikhumba sokwenziwa e-Wenzhou nakwezinye izindawo ezinkulu zokusetshenziswa kwe-resin yokunamathisela singaphansi kwemikhawulo ethile. Ukuncintisana phakathi kwesikhumba se-PU nesikhumba sokwenziwa kushubile. Imboni yesikhumba yaphansi: Ithintwa ukuncipha kwesidingo sesikhumba esiphansi, isidingo se-paste resin kule mboni sehle unyaka nonyaka eminyakeni yamuva. Imboni yempahla yamagilavu: isidingo sikhulu uma kuqhathaniswa, ikakhulukazi emazweni angaphandle, okungesokucubungula komlingani ohlinzekiwe... -
Isitshalo se-polyethylene esingamathani angu-800,000 esigcwele saqalwa ngempumelelo ngokuphakelwa okukodwa!
I-Guangdong Petrochemical’s 800,000-ton/year full-density polyethylene plant iyisitshalo sokuqala se-polyethylene esigcwele e-PetroChina esinelungiselelo lemigqa emibili “ekhanda elilodwa nemisila emibili,” futhi iyisitshalo sesibili se-polyethylene esigcwele ngokugcwele esinamandla okukhiqiza amakhulu kunawo wonke. China. Idivayisi isebenzisa inqubo ye-UNIPOL kanye nenqubo yombhede we-feedized gas-phase yesigaba esisodwa. Isebenzisa i-ethylene njengempahla eluhlaza eyinhloko futhi ingakhiqiza izinhlobo eziyi-15 ze-LLDPE kanye ne-HDPE polyethylene materials. Phakathi kwazo, izinhlayiya ze-polyethylene resin ezigcwele ngokugcwele zenziwe nge-polyethylene powder exutshwe nezinhlobo ezahlukene zezithasiselo, ezishiswa ekushiseni okuphezulu ukuze zifinyelele esimweni esincibilikisiwe, futhi ngaphansi kwesenzo se-twin-screw extruder kanye nephampu yegiya elincibilikisiwe, dlula isifanekiso futhi ar... -
UChemdo uhlela ukubamba iqhaza emibukisweni kulo nyaka.
I-Chemdo ihlela ukubamba iqhaza emibukisweni yasekhaya neyangaphandle kulo nyaka. NgoFebhuwari 16, abaphathi bemikhiqizo ababili bamenywe ukuba bathamele isifundo esihlelwe yi-Made in China. Itimu yesifundo iyindlela entsha yokuhlanganisa ukuphromotha ungaxhunyiwe ku-inthanethi kanye nokuphromotha ku-inthanethi kwamabhizinisi angaphandle. Okuqukethwe yisifundo kuhilela umsebenzi wokulungiselela ngaphambi kombukiso, amaphuzu abalulekile okuxoxisana ngawo ngesikhathi sombukiso kanye nokulandelela amakhasimende ngemva kombukiso. Sithemba ukuthi abaphathi ababili bazozuza okuningi futhi bakhuthaze inqubekelaphambili eshelelayo yomsebenzi wokubukisa olandelayo. -
Isingeniso mayelana ne-Zhongtai PVC Resin.
Manje ake ngethule okwengeziwe ngomkhiqizo omkhulu wase-China we-PVC: Zhongtai. Igama layo eliphelele lithi: Xinjiang Zhongtai Chemical Co., Ltd, etholakala esiFundazweni saseXinjiang entshonalanga yeChina. Kuyibanga lamahora angu-4 ngendiza ukusuka e-Shanghai.I-Xinjiang futhi iyisifundazwe esikhulu kunazo zonke e-China ngokwendawo. Le ndawo igcwele imithombo yemvelo njengoSawoti, Amalahle, Uwoyela, Negesi. I-Zhongtai Chemical yasungulwa ngo-2001, futhi yaya emakethe yamasheya ngo-2006. Manje inabasebenzi ababalelwa ezinkulungwaneni ezingama-22 nezinkampani ezingaphansi kuka-43. Ngokuthuthuka kwesivinini esingaphezu kweminyaka engama-20, lo mkhiqizi omkhulu wenze uchungechunge lwemikhiqizo elandelayo: amathani ayizigidi ezi-2 umthamo we-pvc resin, amathani ayizigidi eziyi-1.5 e-caustic soda, amathani angama-700,000 we-viscose, amathani ayizigidi ezi-2.8 we-calcium carbide. Uma ufuna ukukhuluma... -
Ungakugwema kanjani ukukhohliswa lapho uthenga imikhiqizo yamaShayina ikakhulukazi imikhiqizo ye-PVC.
Kufanele sivume ukuthi ibhizinisi lamazwe ngamazwe ligcwele izingozi, ligcwele izinselele eziningi lapho umthengi ekhetha umphakeli wakhe. Siyavuma futhi ukuthi amacala okukhwabanisa empeleni ayenzeka yonke indawo kuhlanganise naseShayina. Bengingumthengisi wamazwe ngamazwe cishe iminyaka eyi-13, ngihlangabezana nenqwaba yezikhalazo ezivela kumakhasimende ahlukahlukene aqhathwe kanye noma izikhathi eziningana ngumphakeli waseShayina, izindlela zokukopela “ziyahlekisa” impela, njengokuthola imali ngaphandle kokuthunyelwa ngomkhumbi, noma ukuletha izinga eliphansi. umkhiqizo noma ukuletha umkhiqizo ohluke kakhulu. Njengomphakeli ngokwami, ngiwuqonda ngokuphelele ukuthi unjani umuzwa uma umuntu elahlekelwe yinkokhelo enkulu ikakhulukazi lapho ibhizinisi lakhe lisanda kuqala noma engusomabhizinisi oluhlaza, olahlekile kufanele kummangaze kakhulu, futhi kufanele sikuvume lokho ukuze sithole. . -
Ukusetshenziswa kwe-caustic soda kuhilela izinkambu eziningi.
I-Caustic soda ingahlukaniswa ibe yi-flake soda, i-granular soda kanye ne-soda eqinile ngokuya ngesimo sayo. Ukusetshenziswa kwe-caustic soda kuhilela izinkambu eziningi, okulandelayo yisingeniso esinemininingwane kuwe: 1. I-petroleum ecwengisisiwe. Ngemuva kokugezwa nge-sulfuric acid, imikhiqizo ye-petroleum isaqukethe izinto ezine-acidic, okufanele zigezwe ngesisombululo se-sodium hydroxide bese igezwa ngamanzi ukuze kutholwe imikhiqizo ecolisisiwe. 2.ukuphrinta nokudaya Okusetshenziswa kakhulu kumadayi e-indigo kanye nodayi bequinone. Enqubweni yokudaya odayi be-vat, isisombululo se-caustic soda kanye ne-sodium hydrosulfite kufanele isetshenziselwe ukuwanciphisa ku-leuco acid, bese ku-oxidized esimweni sokuqala esingancibiliki ngama-oxidants ngemva kokudaya. Ngemuva kokuthi indwangu kakotini iphathwe ngesisombululo se-caustic soda, i-wax, amafutha, isitashi nezinye izinto ...