Iindaba zeshishini
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Yintoni ifilimu eGqibeleleyo yeBiaxially Oriented Polypropylene Overwrap?
Ifilimu ye-polypropylene ye-Biaxially (BOPP) luhlobo lwefilimu yokupakisha eguquguqukayo.Ifilimu ye-polypropylene overwrap ejolise kwi-Biaxially yoluliwe kumatshini kunye nezalathiso ezinqamlezileyo.Oku kubangela uqhelaniso lwetsheyini yeemolekyuli kumacala omabini.Olu hlobo lwefilimu yokupakisha eguquguqukayo lwenziwa ngenkqubo yokuvelisa i-tubular.Iqamza lefilim elimilise okwetyhubhu liyanyuselwa kwaye lifudunyezwe kwindawo yalo yokuthambisa (oku kwahlukile kwindawo yokunyibilika) kwaye yolulwe ngoomatshini.Ifilimu inabela phakathi kwe-300% - 400%.Kungenjalo, ifilimu inokwandiswa ngenkqubo eyaziwa ngokuba yi-tent-frame film production.Ngobu buchule, iipolymers zikhutshelwa kumqulu opholileyo opholileyo (okwabizwa ngokuba yi-base sheet) kwaye izotywe ecaleni kwendlela yomatshini.Ifilim ye-Tenter-frame isenza thina... -
Umthamo wokuthunyelwa kwempahla kumazwe angaphandle unyuke kakhulu ukusuka ngoJanuwari ukuya kuFebruwari 2023.
Ngokweenkcukacha-manani zedatha yesithethe: ukusuka ngoJanuwari ukuya kuFebruwari 2023, umthamo wasekhaya we-PE wokuthumela ngaphandle yi-112,400 yeetoni, kubandakanywa neetoni ezingama-36,400 ze-HDPE, iitoni ezingama-56,900 ze-LDPE, kunye ne-19,100 yeetoni ze-LLDPE.Ukususela ngoJanuwari ukuya kuFebruwari, umthamo wangaphakathi wePE unyuke ngeetoni ezingama-59,500 xa kuthelekiswa nexesha elifanayo ngo-2022, ukunyuka nge-112.48%.Ukusuka kwitshathi engentla, sinokubona ukuba umthamo wokuthumela ngaphandle ukusuka ngoJanuwari ukuya kuFebruwari unyuke kakhulu xa kuthelekiswa nexesha elifanayo ngo-2022. Ngokweenyanga, umthamo wokuthumela ngaphandle ngoJanuwari 2023 unyuke ngeetoni eziyi-16,600 xa kuthelekiswa nexesha elifanayo kunyaka ophelileyo, kwaye umthamo wokuthunyelwa kwempahla kwamanye amazwe ngoFebruwari unyuke ngeetoni ezingama-40,900 xa kuthelekiswa nexesha elifanayo kunyaka ophelileyo;ngokumalunga neentlobo, umthamo wokuthumela ngaphandle we-LDPE (ngoJanuwari-Februwari) wawuyi-36,400 yeetoni, a ye... -
Izicelo eziphambili zePVC.
1. Iiprofayili zePVC zePVC Iiprofayili kunye neeprofayili zezona ndawo zininzi zokusetyenziswa kwePVC eTshayina, zibalelwa malunga ne-25% yokusetyenziswa kwePVC iyonke.Ikakhulu zisetyenziselwa ukwenza iingcango kunye neefestile kunye nezixhobo zokonga amandla, kwaye umthamo wazo wesicelo usakhula kakhulu kwilizwe lonke.Kumazwe ahambele phambili kwezoqoqosho, izabelo zemarike yeengcango zeplastiki neefestile zikwakwinqanaba lokuqala, njenge-50% eJamani, i-56% eFransi, kunye ne-45% eUnited States.2. Umbhobho wePVC Phakathi kweemveliso ezininzi zePVC, iipayipi zePVC ziyindawo yesibini enkulu yokusetyenziswa, ibalwa malunga ne-20% yokusetyenziswa kwayo.E-China, imibhobho ye-PVC iphuhliswa kwangaphambili kunemibhobho ye-PE kunye nemibhobho ye-PP, eneentlobo ezininzi, ukusebenza okugqwesileyo kunye noluhlu olubanzi lwezicelo, ezithatha indawo ebalulekileyo kwimarike.3. Ifilimu yePVC... -
Iintlobo zeepolypropylene .
Iimolekyuli zePolypropylene ziqulathe amaqela e-methyl, anokwahlulwa abe yi-isotactic polypropylene, atactic polypropylene kunye ne-sydiotactic polypropylene ngokwelungiselelo lamaqela e-methyl.Xa amaqela e-methyl ehlelwe kwicala elinye lekhonkco eliphambili, libizwa ngokuba yi-isotactic polypropylene;ukuba amaqela e-methyl asasazwa ngokungenamkhethe kumacala omabini ekhonkco eliphambili, libizwa ngokuba yi-atactic polypropylene;xa amaqela e-methyl ecwangciswe ngokutshintshanayo kumacala omabini ekhonkco eliphambili, libizwa ngokuba yi-sydiotactic.polypropylene.Kwimveliso jikelele ye-polypropylene resin, umxholo wesakhiwo se-isotactic (ebizwa ngokuba yi-isotacticity) malunga ne-95%, kwaye enye i-atactic okanye i-sydiotactic polypropylene.I-polypropylene resin eveliswa ngoku eTshayina ihlelwa ngokwe... -
Ukusetyenziswa kwe-paste pvc resin.
Kuqikelelwa ukuba ngo-2000, usetyenziso lulonke lwemarike ye-PVC yokuncamathelisa yentlaka yehlabathi yayimalunga ne-1.66 yezigidi t/a.E-China, i-PVC yokuncamathelisa i-resin inezi zicelo zilandelayo: Ishishini lesikhumba sokwenziwa: unikezelo lwemarike ngokubanzi kunye nebhalansi yemfuno.Nangona kunjalo, ichatshazelwa kuphuhliso lwesikhumba sePU, imfuno yesikhumba sokwenziwa eWenzhou kunye nezinye iindawo ezinkulu zokusebenzisa i-resin ye-resin ixhomekeke kwizithintelo ezithile.Ukhuphiswano phakathi kwe-PU yesikhumba kunye ne-artificial leatheric.Umgangatho woshishino lwesikhumba: Uchatshazelwa kukuhla kwemfuno yesikhumba somgangatho, imfuno yentlaka yentlama kolu shishino iye yehla unyaka nonyaka kwiminyaka yakutshanje.Ishishini lemathiriyeli yeglavu: imfuno inkulu ngokwentelekiso, ubukhulu becala ithengwa kumazwe angaphandle, eyeyokulungiswa kweqabane elinikiweyo... -
Ukusetyenziswa kwe-caustic soda kubandakanya amasimi amaninzi.
Isoda yeCaustic inokohlulwa ibe yiflake soda, isoda yegranular kunye nesoda eqinileyo ngokwendlela yayo.Ukusetyenziswa kwe-caustic soda kubandakanya imimandla emininzi, oku kulandelayo kukwaziswa okucacileyo kuwe: 1. Ipetroleum esulungekileyo.Emva kokuhlanjwa nge-asidi ye-sulfuric, iimveliso zepetroleum zisaqulathe izinto ezine-acidic, ekufuneka zihlanjwe ngesisombululo se-sodium hydroxide kwaye zihlanjwe ngamanzi ukufumana iimveliso ezisulungekileyo.2.ukuprinta kunye nokudaya Isetyenziswa ikakhulu kwiidayi ze-indigo kunye ne-quinone dyes.Kwinkqubo yokudaya idayi ye-vat, isisombululo se-caustic soda kunye ne-sodium hydrosulfite kufuneka isetyenziswe ukunciphisa i-leuco acid, kwaye emva koko ifakwe kwi-oxidized kwi-original i-insoluble state kunye ne-oxidants emva kokudaya.Emva kokuba ilaphu lomqhaphu liphathwe ngesisombululo se-caustic soda, i-wax, igrisi, isitashi kunye nezinye izinto ... -
Global PVC imfuno recovery kuxhomekeke China.
Ukungena ngo-2023, ngenxa yemfuno ecothayo kwimimandla eyahlukeneyo, imakethi yehlabathi ye-polyvinyl chloride (PVC) isajongene nokungaqiniseki.Ngexesha elininzi le-2022, amaxabiso e-PVC e-Asia nase-United States abonise ukuhla ngokukhawuleza kwaye aphantsi ngaphambi kokungena kwi-2023. Ukungena kwi-2023, phakathi kwemimandla eyahlukeneyo, emva kokuba i-China ilungelelanise imigaqo-nkqubo yokuthintela kunye nokulawula ubhubhane, imarike ilindele ukuphendula;I-United States inokunyusa ngakumbi amaxabiso enzala ukuze kuliwe nokunyuka kwamaxabiso kunye nokunqanda imfuno yasekhaya yePVC eMelika.I-Asiya, ekhokelwa yi-China, kunye ne-United States ziye zandisa ukuthunyelwa kwe-PVC ngaphandle kwemfuno ebuthathaka yehlabathi.Ngokuphathelele iYurophu, ummandla usazokujongana nengxaki yamaxabiso aphezulu amandla kunye nokuhla kwamandla emali, kwaye mhlawumbi akuyi kubakho ukubuyiswa okuzinzileyo kwimida yenzuzo yoshishino.... -
Iyintoni impembelelo yenyikima enamandla eTurkey kwi-polyethylene?
ITurkey lilizwe elijikeleze iAsia kunye neYurophu.Ityebile kwimithombo yamaminerali, igolide, amalahle kunye nezinye izixhobo, kodwa ayinayo i-oyile kunye negesi yendalo.Ngo-18:24 ngoFebruwari 6, ixesha laseBeijing (13:24 ngoFebruwari 6, ixesha lendawo), inyikima ye-7.8 yenzeke eTurkey, kunye nobunzulu obuziikhilomitha ezingama-20 kunye ne-epicenter kwi-38.00 degrees latitude emntla kunye ne-37.15 degrees longitude empuma .Le ntlekele yayikumazantsi eTurkey, kufutshane nomda waseSyria.Awona mazibuko aphambili kwesi siganeko neendawo eziyingqongileyo yayiyiCeyhan (eCeyhan), i-Isdemir (i-Isdemir), neYumurtalik (Yumurtalik).I-Turkey ne-China zinobudlelwane bexesha elide lokurhweba ngeplastiki.Ukuthathwa kwelizwe lam kwepolyethylene yaseTurkey incinci kwaye iyancipha unyaka nonyaka, kodwa umthamo wokuthumela ngaphandle ngokuthe ngcembe... -
Uhlalutyo lwemakethi ye-Caustic soda ethumela ngaphandle ngo-2022.
Ngo-2022, imakethi yelizwe lam yolwelo lwe-caustic ye-soda yokuthumela ngaphandle iyonke iya kubonisa umkhwa oguquguqukayo, kwaye unikezelo lokuthumela ngaphandle luya kufikelela kwinqanaba eliphezulu ngoMeyi, malunga ne-750 yeedola zaseMelika ngetoni, kwaye umyinge wonyaka wokuthumela ngaphandle umthamo wenyanga uya kuba ziitoni ezingama-210,000.Ukwanda okumandla komthamo wokuthumela ngaphandle kwesoda yolwelo lwe-caustic soda ikakhulu ngenxa yokwanda kwemfuno esezantsi yomlambo kumazwe afana ne-Australia ne-Indonesia, ngakumbi ukugunyaziswa kweprojekthi ye-alumina esezantsi e-Indonesia kuye kwanyusa imfuno yokuthengwa kwe-caustic soda;ukongeza, uchatshazelwa ngamaxabiso ombane wamazwe ngamazwe, izityalo ze-chlor-alkali zasekhaya eYurophu ziqalise ukwakhiwa Akwanelanga, ukunikezelwa kwesoda ye-caustic engamanzi kuncitshisiwe, ngaloo ndlela ukwandisa ukungeniswa kwe-caustic soda kuya kwenza kwakhona i-suppo enhle ... -
Imveliso ye-titanium dioxide yaseChina ifikelele kwi-3.861 yezigidi zeetoni kwi-2022.
NgoJanuwari 6, ngokwezibalo zeSecretariat yeTitanium Dioxide Industry Technology Innovation Strategic Alliance kunye neTitanium Dioxide Sub-ziko leNational Chemical Productivity Promotion Centre, ngo-2022, ukuveliswa kwetitanium dioxide ngamashishini angama-41 agcwele inkqubo ishishini lelizwe lam titanium dioxide liya kufezekisa enye impumelelo, kunye nemveliso yoshishino ngokubanzi Imveliso epheleleyo ye-rutile kunye ne-anatase titanium dioxide kunye nezinye iimveliso ezinxulumene nazo zafikelela kwi-3.861 yezigidi zeetoni, ukwanda kweetoni ezingama-71,000 okanye i-1.87% ngonyaka.U-Bi Sheng, unobhala-jikelele we-Titanium Dioxide Alliance kunye nomlawuli we-Titanium Dioxide Sub-center, uthe ngokwezibalo, ngo-2022, kuya kubakho i-41 yenkqubo epheleleyo yemveliso ye-titanium dioxide ... -
ISinopec yenze impumelelo kuphuhliso lwe-metallocene polypropylene catalyst!
Kutshanje, i-metallocene polypropylene catalyst iphuhliswe ngokuzimeleyo yiBeijing Research Institute of Chemical Industry ilugqibe ngempumelelo uvavanyo lokuqala lwesicelo seshishini kumbhobho we-polypropylene process unit ye-Zhongyuan Petrochemical, kwaye yavelisa i-homopolymerized and random copolymerized metallocene polypropylene resins esebenza ngokugqwesileyo.I-China Sinopec yaba yinkampani yokuqala e-China ukuphuhlisa ngokuzimeleyo iteknoloji ye-metallocene polypropylene.I-polypropylene ye-Metallocene ineenzuzo zomxholo we-soluble ephantsi, ukukhanya okuphezulu kunye ne-gloss ephezulu, kwaye isalathiso esibalulekileyo sokuguqulwa kunye nokuphuculwa kweshishini le-polypropylene kunye nophuhliso oluphezulu.I-Beihua Institute iqale uphando kunye nophuhliso lwe-metallocene po... -
I-Caustic Soda (iSodium Hydroxide) - isetyenziselwa ntoni?
I-HD Chemicals Caustic Soda - yintoni ukusetyenziswa kwayo ekhaya, igadi, i-DIY?Olona setyenziso lwaziwayo kukukhupha imibhobho.Kodwa i-caustic soda isetyenziswa nakwezinye iimeko zekhaya, hayi ezongxamiseko kuphela.I-Caustic soda, ligama elidumileyo le-sodium hydroxide.Iikhemikhali zeHD zeCaustic Soda zinefuthe elibukhali eluswini, amehlo kunye nenwebu.Ngoko ke, xa usebenzisa le khemikhali, kufuneka uthathe amanyathelo okukhusela - khusela izandla zakho ngeeglavu, gubungela amehlo akho, umlomo kunye neempumlo.Xa udibana ne-substance, hlambulula indawo ngamanzi abandayo kwaye udibane nogqirha (khumbula ukuba i-caustic soda ibangela ukutshiswa kweekhemikhali kunye nokuchasana okukhulu).Kwakhona kubalulekile ukugcina i-arhente ngokufanelekileyo - kwisitya esivaliweyo esivaliweyo (i-soda isabela ngamandla ...
