Kusukela ngoJulayi 2023, isamba sesikali se-epoxy resin e-China sedlule amathani ayizigidi ezi-3 ngonyaka, okubonisa izinga lokukhula ngokushesha lika-12.7% eminyakeni yamuva, nezinga lokukhula kwemboni lidlula izinga lokukhula elijwayelekile lamakhemikhali ayinqwaba.Kungabonakala ukuthi eminyakeni yamuva, ukwanda kwamaphrojekthi we-epoxy resin kuye kwashesha, futhi amabhizinisi amaningi atshale imali futhi ahlela ukwakha iphrojekthi enkulu.Ngokwezibalo, izinga lokwakhiwa kwe-epoxy resin e-China lizodlula amathani ayizigidi ezingu-2.8 ngokuzayo, futhi izinga lokukhula kwezinga lemboni lizoqhubeka nokukhuphuka lifinyelele cishe ku-18%.
I-Epoxy resin iwukukhiqizwa kwe-polymerization ye-bisphenol A ne-Epichlorohydrin.Inezici zezakhiwo eziphakeme zemishini, ukubumbana okuqinile, ukwakheka kwamangqamuzana aminyene, ukusebenza kahle kokubopha, ukuncipha okuncane kokuphulukisa (usayizi womkhiqizo uzinzile, ukucindezeleka kwangaphakathi kuncane, futhi akulula ukuqhekeka), ukwahlukanisa okuhle, ukumelana nokugqwala okuhle, ukuzinza okuhle, nokumelana nokushisa okuhle (kufika ku-200 ℃ noma ngaphezulu).Ngakho-ke, isetshenziswa kabanzi kuma-coatings, izinto zikagesi, izinto eziyinhlanganisela, ama-adhesives neminye imikhakha.

Inqubo yokukhiqiza ye-epoxy resin ngokuvamile ihlukaniswa ngesinyathelo esisodwa kanye nezinyathelo ezimbili.Indlela eyodwa yesinyathelo ukukhiqiza i-epoxy resin ngokusabela okuqondile kwe-bisphenol A ne-Epichlorohydrin, evame ukusetshenziselwa ukuhlanganisa isisindo esiphansi samangqamuzana nesisindo se-epoxy resin;Indlela yezinyathelo ezimbili ihilela ukusabela okuqhubekayo kwe-resin ye-molecular ephansi ene-bisphenol A. I-epoxy resin enesisindo esiphezulu se-molecular ingahlanganiswa ngesinyathelo esisodwa noma izindlela ezimbili.
Isinyathelo esisodwa ukwehlisa i-bisphenol A ne-Epichlorohydrin ngaphansi kwesenzo se-NaOH, okungukuthi, ukwenza ukuvulwa kwendandatho nokusabela kweluphu evaliwe ngaphansi kwezimo ezifanayo zokusabela.Njengamanje, ukukhiqizwa okukhulu kwe-E-44 epoxy resin e-China kuhlanganiswa ngenqubo yesinyathelo esisodwa.Inqubo enezinyathelo ezimbili ukuthi i-bisphenol A ne-Epichlorohydrin zikhiqiza i-diphenyl propane chlorohydrin ether emaphakathi ngokusabela kokwengeza esinyathelweni sokuqala ngaphansi kwesenzo se-catalyst (njenge-Quaternary ammonium cation), bese yenza ukusabela okuvaliwe phambi kwe-NaOH ukuze yenza i-epoxy resin.Inzuzo yezinyathelo ezimbili yisikhathi esifushane sokuphendula;Ukusebenza okuzinzile, ukuguquguquka okuncane kwezinga lokushisa, kulula ukulawula;Isikhathi esifushane sokwengezwa kwe-alkali singagwema i-hydrolysis eyeqile ye-epichlorohydrin.Inqubo yezinyathelo ezimbili zokuhlanganiswa kwe-epoxy resin nayo isetshenziswa kabanzi.

Umthombo wesithombe: I-China Industrial Information
Ngokwezibalo ezifanele, amabhizinisi amaningi azongena embonini ye-epoxy resin esikhathini esizayo.Isibonelo, amathani angu-50000 wezinto zikagesi ze-Hengtai/ngonyaka azofakwa ekukhiqizweni ngasekupheleni kuka-2023, kanye namathani angu-150000 we-Mount Huangshan Meijia izinto ezintsha zokusetshenziswa/ngonyaka zizofakwa ekukhiqizweni ngo-Okthoba 2023. Zhejiang Zhihe New Materials' 100000 ton/ okokusebenza konyaka kuhlelwe ukuthi kukhiqizwe ekupheleni kuka-2023, iSouth Asia Electronic Materials (Kunshan) Co., Ltd. ihlela ukufaka ekukhiqizeni amathani angu-300000/imishini kanye nemishini ngonyaka ka-2025, kanye ne-Yulin Jiuyang High tech Materials Co. , Ltd. ihlela ukufaka ekukhiqizeni imishini engu-500000 ton/year cishe ngo-2027. Ngokwezibalo ezingaphelele, izophinda kabili esikhathini esizayo cishe ngo-2025.

Kungani wonke umuntu etshala imali kumaphrojekthi we-epoxy resin?Izizathu zokuhlaziya yilezi ezilandelayo:
I-Epoxy resin iyinto enhle kakhulu yokupakisha ye-elekthronikhi
I-elekthronikhi sealant ibhekisela ochungechungeni lwezinto ezinamathelayo zikagesi kanye nezinamatheliso ezisetshenziselwa ukuvala izinto zikagesi, okuhlanganisa ukuvala, ukuvala, nokufaka imbiza.Imishini ye-elekthronikhi epakishiwe ingadlala indima yokungangeni manzi, i-shockproof, i-dustproof, i-anti-corrosion, inqamule ukushisa, kanye nendima yokugcinwa kuyimfihlo.Ngakho-ke, i-glue okufanele ihlanganiswe inezici zokumelana nokushisa okuphezulu, ukumelana nokushisa okuphansi, amandla aphezulu e-Dielectric, ukufakwa okuhle, ukuvikelwa kwemvelo nokuphepha.
I-Epoxy resin inokumelana nokushisa okuhle kakhulu, ukufakwa kukagesi, ukuvala uphawu, izakhiwo ze-dielectric, izakhiwo zemishini, nokuncipha okuncane nokumelana namakhemikhali.Ngemuva kokuhlanganiswa nama-ejenti okwelapha, ingaba nokusebenza kangcono nazo zonke izici ezibonakalayo ezidingekayo ekufakweni kwezinto ze-elekthronikhi, futhi isetshenziswa kabanzi emikhakheni efana nokupakishwa kwezinto zikagesi.
Ngokwemininingwane evela ku-National Bureau of Statistics, izinga lokukhula kwemboni ekhiqiza imininingwane ye-elekthronikhi ngo-2022 lenyuke ngo-7.6% unyaka nonyaka, futhi izinga lokukhula kokusetshenziswa kwezinye izinkambu ze-elekthronikhi lidlule kuma-30%.Kuyabonakala ukuthi imboni ye-elekthronikhi yaseChina isesesimweni sokukhula ngokushesha, ikakhulukazi ezimbonini ze-elekthronikhi ezibheke phambili njengama-semiconductors kanye ne-5G emikhakheni efana nobuhlakani bokwenziwa kanye ne-inthanethi Yezinto, izinga lokukhula kosayizi wemakethe belilokhu linjalo. kude kakhulu.
Njengamanje, ezinye izinkampani ze-epoxy resin e-China zishintsha ukwakheka komkhiqizo wazo futhi zandisa isabelo somkhiqizo wemikhiqizo ye-epoxy resin ehlobene nemboni yezinto zikagesi.Ngaphezu kwalokho, iningi lamabhizinisi epoxy resin ahlelelwe ukwakhiwa eShayina agxile kakhulu kumamodeli wemikhiqizo ye-elekthronikhi.
I-epoxy resin iyinto eyinhloko yama-wind turbine blades
I-Epoxy resin inezinto ezinhle kakhulu zokusebenzisa imishini, ukuzinza kwamakhemikhali, nokumelana nokugqwala, futhi ingasetshenziswa njengezingxenye zesakhiwo se-blade, izixhumi, kanye nezingubo zokukhiqiza amandla omoya.I-epoxy resin inganikeza amandla aphezulu, ukuqina okuphezulu, nokumelana nokukhathala, iqinisekise ukuzinza nokuthembeka kwama-blades, okuhlanganisa isakhiwo esisekelayo, uhlaka lwamathambo, kanye nezingxenye zokuxhuma zama-blades.Ngaphezu kwalokho, i-epoxy resin ingaphinde ithuthukise ukumelana kwe-shear yomoya kanye nokumelana nomthelela wama-blades, inciphise ukudlidliza nomsindo wama-blades, futhi ithuthukise ukusebenza kahle kokukhiqizwa kwamandla omoya.
Ekuhlanganisweni kwama-wind turbine blades, ukusetshenziswa kwe-epoxy resin nakho kubaluleke kakhulu.Ngokumboza ingaphezulu lama-blades nge-epoxy resin, ukumelana nokugqoka kanye nokumelana kwe-UV kwama-blades kungathuthukiswa, futhi impilo yesevisi yama-blades inganwetshwa.Ngesikhathi esifanayo, kunganciphisa isisindo kanye nokumelana kwama-blade futhi kuthuthukise ukusebenza kahle kokukhiqizwa kwamandla omoya.
Ngakho-ke, i-epoxy resin idinga ukusetshenziswa kabanzi ezicini eziningi zemboni yamandla omoya.Njengamanje, izinto eziyinhlanganisela ezifana ne-epoxy resin, i-carbon fiber, ne-polyamide zisetshenziswa kakhulu njengezinto ze-blade zokukhiqiza amandla omoya.
Amandla omoya aseShayina asendaweni ehamba phambili emhlabeni, ngokukhula okumaphakathi konyaka okungaphezu kwama-48%.Ukwenziwa kwemishini ehlobene namandla omoya kungamandla amakhulu okuqhuba ukukhula okusheshayo kokusetshenziswa komkhiqizo we-epoxy resin.Kulindeleke ukuthi ijubane lemboni yamandla omoya yaseChina ligcine ukukhula okungaphezu kwama-30% esikhathini esizayo, futhi ukusetshenziswa kwe-epoxy resin e-China kuzophinde kubonise umkhuba wokukhula okuqhumayo.
Ama-epoxy resins enziwe ngokwezifiso futhi akhethekile azoba yinsakavukela esikhathini esizayo
Izinkambu zohlelo lokusebenza ezansi nomfula ze-epoxy resin ziningi kakhulu.Nakuba iqhutshwa ukuthuthukiswa kwemboni entsha yamandla, imboni ithuthuke ngokushesha esikalini, ukuthuthukiswa kokwenza ngokwezifiso, ukuhlukanisa, kanye nobungcweti nakho kuzoba enye yezinkomba eziphambili zokuthuthukiswa kwemboni.
Indlela yokuthuthukisa yokwenza ngokwezifiso i-epoxy resin inezikhombisi-ndlela zohlelo lokusebenza ezilandelayo.Okokuqala, ibhodi lesifunda lethusi elingenalo i-halogen linesidingo esingaba sokusetshenziswa kwe-linear phenolic epoxy resin kanye ne-Bisphenol F epoxy resin;Okwesibili, isidingo sokusetshenziswa kwe-o-methylphenol formaldehyde epoxy resin kanye ne-hydrogenated bisphenol A epoxy resin sikhula ngokushesha;Okwesithathu, i-epoxy resin yebanga lokudla iwumkhiqizo ophinde uhlanzwe nge-epoxy resin yendabuko, enamathuba athile okuthuthukiswa uma isetshenziswa kumakani ensimbi, ubhiya, iziphuzo ze-carbonated, namakani ejusi yezithelo;Okwesine, ulayini wokukhiqiza i-resin enemisebenzi eminingi uwumugqa wokukhiqiza ongakhiqiza wonke ama-epoxy resins nezinto zokusetshenziswa, njengama-resin ahlanganisiwe ahlanzekile asezingeni eliphansi.I-β- Phenol uhlobo lwe-epoxy resin, i-liquid crystal epoxy resin, isakhiwo esikhethekile esine-viscosity ephansi ye-DCPD uhlobo lwe-epoxy resin, njll. Lawa ma-epoxy resin azoba nesikhala sokuthuthukiswa esibanzi esikhathini esizayo.
Ngakolunye uhlangothi, iqhutshwa ukusetshenziswa emkhakheni we-elekthronikhi owela phansi, futhi ngakolunye uhlangothi, izinhlobonhlobo zezinkambu zokufaka isicelo kanye nokuvela kwamamodeli amaningi asezingeni eliphezulu kulethe izikhala eziningi ezingasetshenziswa embonini ye-epoxy resin.Kulindeleke ukuthi ukusetshenziswa kwemboni ye-epoxy resin yaseChina kuzogcina ukukhula okusheshayo okungaphezu kuka-10% esikhathini esizayo, futhi kungalindelwa ukuthuthukiswa komkhakha we-epoxy resin.