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Izinto ezintsha zomkhakha wamakhemikhali: Amakhulu ezikebhe ziyaqhudelana

Enqubeni yemboni kawoyela namakhemikhali yezwe lami kusukela ekukhiqizeni okukhulu kuya ekukhiqizeni okusezingeni eliphezulu, imiphumela emisha emkhakheni wezinto ezintsha ezinamazinga aphansi okungena namabhizinisi asekhaya aphansi iye yavela njengamakhowe, kanti awabo amabili, ama-polyolefin elastomers. (POE), i-carbon fibre fibre, kanye ne-carbon fibre Isimo sezinto ezintsha ezifana namapulasitiki abolayo kanye nezinye izinto ezintsha siyajabulisa.Emhlanganweni wesi-6 wesikole -ebhizinisini lokushintshisana ngomsebenzi wocwaningo lwesayensi kanye ne-docking kanye ne-China Petroleum and Chemical Industry Federation owawuse-Shanghai ngo-April 20, uLuo Qiming, isekela lomqondisi woMnyango Wezesayensi Nobuchwepheshe Nezinsimbi wePetrochemical Federation, wahlanganisa futhi walungiswa. kanye nempahla.

Izinto ezibalulekile ze-organic zenze impumelelo

I-Adiponitrile iyimpahla ebalulekile yenayiloni 66, okunzima ukuyikhiqiza ngobuchwepheshe.Kuze kube manje, imakethe yomkhiqizo ibibuswa yi-Invista.Eminyakeni yamuva, ngokuthuthuka okusheshayo kwe-fiber yamakhemikhali, amapulasitiki obunjiniyela kanye neminye imikhakha, inkambu yesicelo se-nylon 66 ibanzi, amabhizinisi amaningi asekhaya aphumelele ocwaningweni nasekuthuthukisweni nasekuthuthukisweni kwezimboni ze-adiponitrile, amaphrojekthi we-adiponitrile aseqalile.

U-Luo Qiming wethula ukuthi kunezindlela ezimbili eziyinhloko zobuchwepheshe ocwaningweni lwasekhaya nokuthuthukiswa kwe-adipdinitrile, okuyi-adipdinic acid indlela kanye nendlela ye-butadiene.

I-Chongqing Huafeng Group yakha isitshalo se-adipdinitrile esingamathani angu-200,000 esisekelwe esitshalweni se-adipdinitrile esingamathani angu-100,000 esizoqedwa ngo-2020 kusetshenziswa inqubo ye-adipdinic acid.

Inqubo ye-butadiene iphinde ibe ubuchwepheshe obusetshenziswa yi-Invista, enezinzuzo zomzila wenqubo emfushane, izindleko eziphansi zempahla eluhlaza kanye nekhwalithi enhle yomkhiqizo.Ngemva kweminyaka yocwaningo nentuthuko, i-China Chemical Tianchen Qixiang New Materials Co., LTD., ukusetshenziswa kobuchwepheshe be-butadiene direct hydrocyanidation ukwakhiwa kwedivayisi ye-adiponitrile engamathani angu-200,000/ngonyaka nakho kuye kwavula lonke uchungechunge lwezimboni futhi kwaqala ngempumelelo.

Ngokusho kwentatheli, yimaphi amasheya okwakhiwa kwamathani angama-50 ngonyaka we-butadiene method adipdinitrile project nawo azosebenza ekupheleni kwalo nyaka.

Ukwenziwa kwasekhaya kwezinhlobo ze-polyolefin eziphezulu

“Inqubo ye-gas-liquid polyethylene kanye ne-tubular polypropylene process, enamalungelo azimele empahla yengqondo, kokubili kwenziwe ezweni lethu."Imikhiqizo ye-polyolefin ephezulu njenge-POE ne-UHMWPE (i-ultra high molecular mass polyethylene) cindezela 'inkinobho yokusheshisa' ukuze ikhiqize."U-Luo Qiming uthe lapho ekhuluma ngokuthuthukiswa kwezinhlobo eziphezulu ze-polyolefin.

I-POE ingenye yezinto eziphansi kakhulu zokuminyana ezintweni zokwenziwa, futhi iyisisetshenziswa esibalulekile sokulungiselela isizukulwane esisha sefilimu ye-photovoltaic.I-Sinopec, eyaqala ukuhlola ubuchwepheshe be-POE eminyakeni engu-20 edlule, manje isivuna izinzuzo.Intatheli ithole ukuthi embukisweni osanda kuphothulwa wama-35 we-China International Rubber and Plastic Exhibition, i-Sinopec ikhiphe uchungechunge lwemikhiqizo emisha ehlanganisa i-POE elastomer, iSinopec ibe umhlinzeki wokuqala welungelo lobunikazi bobuchwepheshe basekhaya onesethi ephelele ye-POE yamalungelo empahla yengqondo ezimele.

Ngasikhathi sinye, i-Wanhua Chemical nabanye banezimo zokusungulwa kwezimboni ze-POE.Idatha ikhombisa ukuthi kusukela ngoMashi 2023, amandla okukhiqiza asekhaya okuhlelelwe ukwakhiwa eChina afinyelele amathani ayizigidi ezi-2.1.Eminyakeni emi-2 ukuya kwemi-3 ezayo, izwe lami selizongenisa ukukhiqizwa kwe-POE.

Ngokusebenza kwayo okuhle kakhulu komkhiqizo, i-UHMWPE ithole ukunakwa okwengeziwe ezinkampanini zamakhemikhali ephethiloli nezamandla eminyakeni yamuva nje.Ngokusho kwentatheli, kusukela ngoJulayi 2022, i-Daqing Petrochemical, i-Jiangsu Sturbang, ne-Shanghai Chemical Research Institute bangene embonini ye-UHMWPE ngendlela yokukhiqiza entsha noma ukunwetshwa kwamandla.Phakathi kwazo, isiqondiso somkhiqizo we-Daqing Petrochemical ikakhulukazi i-lithium battery diaphragm.Izikhombisi-ndlela zomkhiqizo zokufakwa kwamathani angu-20,000/ngonyaka e-Jiangsu Serbon nazo zisekelwe kakhulu ku-lithium battery diaphragm nezinto zefiber.I-fiber material, i-lithium battery diaphragm material kanye ne-melting spinning resin yizona eziyinhloko.

NgoMashi odlule nje, idivayisi ye-UHMWPE yeshubhu yeringi ye-30,000 -ton stasis ye-Shanghai Chemical Research Institute yafakwa ekukhiqizweni, okuphawula ukuthi izwe lami lizuze impumelelo enkulu kulo msebenzi wobuciko nobuchwepheshe bokuqala emhlabeni.I-fiber ephezulu kanye ne-lithium yebhethri diaphragm ihlinzeka nge-resin eyisisekelo.

Ubuchwepheshe bezinto ezibonakalayo ezihamba phambili

Ukuqaliswa kokuvinjelwa kokuhleleka kwepulasitiki kwengeza "umlilo" wokuthuthukiswa nokukhiqizwa kwezinto ezibolayo.NgokukaLuo Qiming, izwe lami seliyingcweti kwe-polycolic acid (PGA), i-polynxyl -bonol (PBS), i-polyphonal acid -hexyl -bonol (PBAT), i-polystumin (PLA) , i-Polybon (PCL), i-Polycarbonate (PPC), i-Polycroxy Fatty acid I-ester (PHA) nobunye ubuchwepheshe bokukhiqiza bezimboni, buhlanganisa isigaba esikhulu sepulasitiki ebolayo, futhi bakhe izinhlobo zepulasitiki ezibolayo emhlabeni.Qedela uhlelo lwezimboni.

I-PLA njengamanje iyimpahla eyonakala kakhulu yocwaningo nokusebenzisa.Ubuchwepheshe obubalulekile buye benza intuthuko e-China, futhi bungaqhudelana ngokugcwele nemikhiqizo engenisiwe.Ngaphezu kwalokho, kunezinhlobo eziningi ezintsha ze-resin eyonakalayo okokuqala ngqa ezweni lami, njenge-PGA, i-polytic benzonite dilate (PBST), kanye nerabha yokuqala ye-polyester ebolayo ezweni lami i-Essence.

Ngokusho kwezintatheli, i-Shanghai Dong Geng Inkampani isungule ubuchwepheshe obuzimele kumzila we-PGA osemthethweni wokuvuleka kwe-ethyl ester, engathola i-PGA yebanga lezokwelapha;I-Advanced Elastic Body Material Research Centre ye-Advanced Elastic Body Material Research yase-Beijing University of Chemical Technology inqamula irabha ye-polymer evamile ehlobene kakhulu Inqubo yokukhiqiza eqhubekayo isungule i-substrate yebhayoloji ezokwehlisa isithunzi sezinto zenjoloba ze-polyester futhi iqedele ukuhlolwa kokuhlola kwezinkulungwane zamathani.

 

Inqubo entsha yerabha yokwenziwa igcwalisa igebe

Ukuguqulwa okusebenzayo kwerabha ye-polystyrene butadiene encibilikisiwe kuyisihloko esishisayo emkhakheni wenjoloba ye-polystyrene butadiene encibilikisiwe, engathuthukisa kakhulu izakhiwo zemikhiqizo yenjoloba, kodwa ayikho imikhiqizo yezimboni eye yasungulwa e-China.NgoMeyi 2021, i-petrochina, i-Tongji University kanye ne-Dalian University of Technology ngokuhlanganyela bathuthukise ubuchwepheshe bokuhlanganisa irabha encibilikisiwe ye-polystyrene butadiene, futhi baqeda isethi yokuqala yedivayisi yerabha encibilikisiwe ye-polystyrene butadiene e-Dushanzi Petrochemical e-China.Umkhiqizo usetshenziswe kurabha yokunyathela isondo eliluhlaza.

Irabha ye-Neoprene ingenye yezinto ezibalulekile zamasu emnothweni kazwelonke kanye nemboni yezokuvikela kazwelonke.Kodwa ukukhiqizwa kwe-butadiene yenqubo yenjoloba ye-neoprene kuyinkimbinkimbi, ubuchwepheshe bemishini eyinhloko bunzima.I-Jinjiao Hi-tech (Shanghai) Co., LTD., iqhekeze leli "thambo eliqinile", yenza inqubo entsha yerabha ye-butadiene neoprene, futhi yaqeda ukuhlolwa komshayeli."Uma kuqhathaniswa nenqubo yethu yendabuko ye-calcium carbide, le nqubo ingafinyelela ukudlula okuphelele kukho kokubili izindleko zokukhiqiza kanye nekhwalithi yomkhiqizo."Kusho uLuo Qiming.

Amaphuzu avelele amapulasitiki wobunjiniyela namafayibha akhethekile avelele

I-carbon fiber, eyaziwa ngokuthi "Inkosi Yezinto Ezintsha", iyisu elisha elibalulekile emnothweni wezwe kanye nokwakhiwa kwezokuvikela kazwelonke.izwe lami manje seliyizwe lesithathu elinobuchwepheshe be-carbon fiber obusebenza kahle ngemuva kweJapan ne-United States.“i-T300 -level carbon fiber yezwe lami isifinyelele izinga lemikhiqizo efanayo yangaphandle;I-T700 ne-T800 -level carbon fiber izuze ukukhiqizwa kwezimboni;Ubuchwepheshe be-T1000 kanye ne-M55J -level carbon fiber key benze impumelelo kubuchwepheshe obubalulekile, futhi sebeqalile ukukhiqiza.Kusho uLuo Qiming.

 

Ifayibha ye-polytamide enephrofayili ephezulu-yamandla aphezulu inamathemba abanzi okusebenza emikhakheni ephezulu efana nendiza, i-aerospace, i-electronics, nokuvikelwa.I-Beijing University of Chemical Technology iye yathuthukisa ubuchwepheshe bokukhiqiza i-polytamide fiber ephezulu kakhulu, esebenzisa lobu buchwepheshe ukwakha umugqa wokuqala wokukhiqiza i-polytamide fiber ekhaya nakwamanye amazwe, futhi yakha uchungechunge lwemikhiqizo.

Ngaphezu kwalokho, i-phenolic polyford polyford etherone ketone eyakhiwe yi-Dalian University of Science and Technology kanye ne-Chinese Academy of Sciences amakhemikhali ase-Dalian nayo ingeyokuqala emhlabeni, futhi zonke izisetshenziswa zezimboni sezakhiwe.

Amakhemikhali e-elekthronikhi athuthuka ngokushesha

Ukukhuphuka okusheshayo kwemboni yamandla amasha kulethe amakhemikhali e-elekthronikhi ethubeni lentuthuko, futhi ukuncintisana kwamabhizinisi amaningi asekhaya kungene enqubeni esheshayo yokukhuthaza ubuchwepheshe bamakhemikhali kagesi.

Eminyakeni yakamuva, umthamo we-phosphate yezwe lami wezimboni -grade kanye nokudla -grade ube yinsada, kodwa izinto ezibalulekile zokukhiqiza ama-chip njenge-ultra -high pure electronic -level phosphate zithembele ngokuphelele ekuthengisweni kwamanye amazwe.Ngemva kweminyaka engaphezu kwe-10 yemizamo engapheli, i-Xingfa Group ye-ultra -high -pure electronic grade phosphate ifinyelele izinga lokuhlanzeka kwe-phosphate ukusuka ku-“3 9″ kuya ku-“9 9″.

I-Electronic-grade hydrofluoric acid isetshenziselwa ikakhulukazi ukuhlanza nokugqwala kwamasekhethi ahlanganisiwe nama-chips amasekethe amakhulu ahlanganisiwe.Omunye wabaholi bamakhemikhali basekhaya bangena ngokusemthethweni ohlelweni lwabahlinzeki abaqeqeshiwe be-TSMC ngoMeyi 2022, waqala ukulubheka.Ukulethwa kwenqwaba yezinto zamakhemikhali e-elekthronikhi ezihlanzekile, ikakhulukazi ama-hydrofluoric acid ku-semiconductor -grade.

Ngaphezu kwalokho, amanye amakhemikhali e-elekthronikhi amanzi athuthukiswe futhi akhiqizwa uSuzhou Jingrui, njenge-hydrogen peroxide ne-sulfuric acid, i-Haohua Gas, i-nitrogen trifluoride yeSinoship 718 Institute, igesi ye-chlorine ehlanzekile ne-hydrogen chloride yegesi ye-Taihe, isandulela igesi ekhethekile ye-Jiangsu Jacque, Iphedi lokupholisha le-Hubei Dinglong namanye amakhemikhali e-elekthronikhi nawo ahlangabezane nezidingo zokwenziwa kwezinqubo ezithuthukisiwe ze-chip.

"Ukuthuthukiswa kwe-argon fluoride photoresist yama-chips asezingeni eliphakeme, okuyinto enzima kakhulu, kuseyinselelo."U-Luo Qiming uthe nakuba amayunithi amaningi asekhaya ngokulandelana kwawo kusukela ku-resin monomer, i-photoinitiator, i-solvent kuya ku-photoresist ukubhekana nayo yonke iketango lemboni, kodwa okwamanje ingxenye yemikhiqizo kuphela ekuhlolweni kwebhizinisi elingezansi.


Isikhathi sokuthumela: May-08-2023