Embonini yamandla omoya, i-epoxy resin okwamanje isetshenziswa kabanzi ezintweni ze-wind turbine blade.I-Epoxy resin iyinto esebenza kahle kakhulu enezakhiwo ezinhle kakhulu zemishini, ukuqina kwamakhemikhali, nokumelana nokugqwala.Ekwenziweni kwama-wind turbine blades, i-epoxy resin isetshenziswa kakhulu ezingxenyeni zesakhiwo, izixhumi, kanye nama-blades anamathelayo.I-epoxy resin inganikeza amandla aphezulu, ukuqina okuphezulu, nokumelana nokukhathala esakhiweni esisekelayo, uhlaka lwamathambo, kanye nezingxenye zokuxhuma ze-blade, ukuqinisekisa ukuzinza nokuthembeka kwe-blade.

I-Epoxy resin ingaphinde ithuthukise ukugunda komoya kanye nokumelana nomthelela wama-blade, inciphise umsindo wokudlidliza kwe-blade, futhi ithuthukise ukusebenza kahle kokuphehla amandla omoya.Njengamanje, i-epoxy resin kanye ne-glass fiber modified curing kusasetshenziswa ngokuqondile ezintweni ze-wind turbine blade, ezingathuthukisa amandla nokumelana nokugqwala.

Ezintweni ze-wind turbine blade, ukusetshenziswa kwe-epoxy resin kudinga futhi ukusetshenziswa kwemikhiqizo yamakhemikhali njengama-ejenti okwelapha nama-accelerator:

Okokuqala, i-ejenti esetshenziswa kakhulu ekwelapheni i-epoxy resin embonini yamandla omoya i-polyether amine.

Umkhiqizo ojwayelekile yi-polyether amine, okuphinde kube ngumkhiqizo osetshenziswa kakhulu we-epoxy resin elapha embonini yamandla omoya.I-polyether amine epoxy resin yokwelapha isetshenziswa ekwelapheni i-matrix epoxy resin kanye nokunamathela kwesakhiwo.Inezici ezinhle kakhulu ezibanzi ezifana ne-viscosity ephansi, impilo ende yesevisi, ukulwa nokuguga, njll. Isetshenziswe kakhulu ekukhiqizeni amandla omoya, ukuphrinta kwendwangu nokudaya, ukunqanda ukugqwala kwesitimela, ibhuloho nokuvikela umkhumbi amanzi, ukuhlola uwoyela negesi ye-shale. nezinye izinkambu.Umfula ophansi we-polyether amine wenza ngaphezu kwamaphesenti angama-62 wamandla omoya.Kumele kuqashelwe ukuthi ama-amine e-polyether ayingxenye ye-organic amine epoxy resins.

Ngokusho kophenyo, ama-amine e-polyether angatholakala nge-amination ye-polyethylene glycol, i-polypropylene glycol, noma i-ethylene glycol / propylene glycol copolymers ngaphansi kokushisa okuphezulu nokucindezela.Ukukhetha izakhiwo ezihlukene ze-polyoxoalkyl kungalungisa umsebenzi wokusabela, ukuqina, i-viscosity, kanye ne-hydrophilicity ye-polyether amines.I-polyether amine inezinzuzo zokuzinza okuhle, ukukhanya okuncane, ukucwebezela okuhle ngemva kokuphulukiswa, nobulukhuni obuphezulu.Ingaphinda incibilike kuzincibilikisi ezifana namanzi, i-ethanol, ama-hydrocarbon, ama-ester, ama-ethylene glycol ethers, nama-ketone.

Ngokocwaningo, isilinganiso sokusetshenziswa kwemakethe ye-polyether amine yaseChina seqe amathani ayi-100000, okukhombisa izinga lokukhula elingaphezu kwama-25% eminyakeni embalwa edlule.Kulindeleke ukuthi ngo-2025, umthamo wemakethe we-polyether amines e-China uzodlula amathani ayi-150000 esikhathini esifushane, futhi izinga lokukhula lokusetshenziswa kwe-polyether amines kulindeleke ukuthi libe cishe ku-8% esikhathini esizayo.

Ibhizinisi lokukhiqiza i-polyether amine e-China yi-Chenhua Co., Ltd., enezisekelo ezimbili zokukhiqiza e-Yangzhou nase-Huai'an.Inesamba esingamathani angu-31000/ngonyaka we-polyether amine (ekugcineni i-amino polyether) (kuhlanganise nomthamo wokuklama wamathani angu-3000/ngonyaka wephrojekthi ye-polyether amine esakhiwayo), amathani angu-35000/ngonyaka we-alkyl glycosides, amathani angu-34800/ngonyaka wezinto ezivimba ilangabi. , amathani angama-8500/ngonyaka werabha ye-silicone, amathani angama-45400/unyaka we-polyether, amathani angama-4600/ngonyaka kawoyela we-silicone, namanye amandla okukhiqiza amathani ayi-100 ngonyaka.I-Future Changhua Group ihlela ukutshala imali elinganiselwa ezigidini ezingu-600 zamayuan e-Huai'an Industrial Park esifundazweni sase-Jiangsu ukuze kwakhiwe ukukhiqizwa kwaminyaka yonke kwamathani angu-40000 e-polyether amine kanye namathani angu-42000 amaphrojekthi e-polyether.

Ngaphezu kwalokho, amabhizinisi amele i-polyether amine e-China afaka i-Wuxi Acoli, i-Yantai Minsheng, i-Shandong Zhengda, i-Real Madrid Technology, ne-Wanhua Chemical.Ngokwezibalo zamaphrojekthi okwakhiwa okuhleliwe, umthamo wokukhiqiza ohleliwe wesikhathi eside we-polyether amines e-China uzodlula amathani angu-200000 esikhathini esizayo.Kulindeleke ukuthi umthamo wesikhathi eside wokukhiqiza we-polyether amine e-China uzodlula amathani angu-300000 ngonyaka, futhi umkhuba wokukhula kwesikhathi eside uzoqhubeka nokuba phezulu.

Okwesibili, i-epoxy resin ephulukisa i-epoxy resin ekhula ngokushesha kakhulu embonini yamandla omoya: i-methyltetrahydrophthalic anhydride.

Ngokusho kocwaningo, i-epoxy resin ephulukisa i-epoxy resin ekhula ngokushesha kakhulu embonini yamandla omoya i-methyltetrahydrophthalic anhydride curing agent.Emkhakheni we-epoxy elapha amandla omoya, kukhona ne-methyl tetrahydrophthalic anhydride (MTHPA), okuyi-ejenti esetshenziswa kakhulu ekwelapheni ukusebenza okuphezulu kwe-epoxy resin esekelwe ku-carbon fiber (noma i-glass fiber) eqinisiwe izinto eziyinhlanganisela yamablade amandla omoya ngokusebenzisa inqubo yokubumba i-extrusion.I-MTHPA iphinde isetshenziswe ezintweni zolwazi lwe-elekthronikhi, kwezemithi, izibulala-zinambuzane, ama-resin, kanye nezimboni zezokuvikela zikazwelonke.I-Methyl tetrahydrophthalic anhydride ingummeleli obalulekile we-anhydride elaphayo futhi iwuhlobo olukhula ngokushesha lwe-ejenti elaphayo esikhathini esizayo.

I-Methyltetrahydrophthalic anhydride ihlanganiswa kusuka ku-maleic anhydride kanye ne-methylbutadiene ngokusebenzisa i-diene synthesis bese i-isomerized.Ibhizinisi lasekhaya elihamba phambili yiPuyang Huicheng Electronic Materials Co., Ltd., enesilinganiso sokusetshenziswa esingaba amathani ayinkulungwane eChina.Ngokukhula okusheshayo komnotho kanye nokuthuthukiswa kokusetshenziswa, isidingo sezinto zokumboza, amapulasitiki, nerabha nakho sikhula ngokuqhubekayo, siqhubekisela phambili ukukhula kwemakethe ye-methyl tetrahydrophthalic anhydride.

Ngaphezu kwalokho, ama-anhydride elaphayo ahlanganisa i-tetrahydrophthalic anhydride THPA, i-hexahydrophthalic anhydride HHPA, i-methylhexahydrophthalic anhydride MHHPA, i-methyl-p-nitroaniline MNA, njll. Le mikhiqizo ingasetshenziswa emkhakheni we-wind turbine blade epoxy resin curing agents.

Okwesithathu, ama-epoxy resin elaphayo asebenza kahle kakhulu embonini yamandla omoya afaka i-isophorone diamine ne-methylcyclohexane diamine.

Phakathi kwemikhiqizo ye-epoxy resin ephulukisa i-ejenti, izinhlobonhlobo ze-ejenti yokwelapha ephezulu kakhulu ihlanganisa isoflurone diamine, i-methylcyclohexanediamine, i-methyltetrahydrophthalic anhydride, i-tetrahydrophthalic anhydride, i-hexahydrophthalic anhydride, i-methylhexahydrophthalic anhydride, i-methylringline i-mechanical agent, le mikhiqizo emihle kakhulu isikhathi sokusebenza esifanelekile, ukukhishwa kokushisa okupholisayo okuphansi, nokusebenza okuhle kakhulu kwenqubo yomjovo, futhi kusetshenziswa ezintweni eziyinhlanganisela ye-epoxy resin ne-glass fiber yezindwani ze-turbine yomoya.Ama-anhydride elaphayo angawokwelapha okushisisa futhi afaneleka kakhulu inqubo yokubumba ye-extrusion yama-wind turbine blades.

Amabhizinisi omhlaba okukhiqiza we-isophorone diamine ahlanganisa i-BASF AG yaseJalimane, i-Evonik Industries, i-DuPont e-United States, i-BP e-UK, ne-Sumitomo yase-Japan.Phakathi kwabo, i-Evonik iyinkampani enkulu yokukhiqiza i-isophorone diamine emhlabeni.Amabhizinisi amakhulu aseShayina yi-Evonik Shanghai, i-Wanhua Chemical, i-Tongling Hengxing Chemical, njll., anesilinganiso sokusetshenziswa esingaba amathani ayi-100000 eChina.

I-Methylcyclohexanediamine ngokuvamile iyingxube ye-1-methyl-2,4-cyclohexanediamine ne-1-methyl-2,6-cyclohexanediamine.Kuyinhlanganisela ye-aliphatic cyclolkyl etholwe yi-hydrogenation ye-2.4-diaminotoluene.I-Methylcyclohexanediamine ingasetshenziswa yodwa njenge-ejenti yokwelapha ye-epoxy resins, futhi ingabuye ixutshwe namanye ama-epoxy elaphayo ajwayelekile (njengama-amine anamafutha, ama-alicyclic amines, ama-amine anuka kamnandi, ama-asidi anhydrides, njll.) noma ama-accelerator ajwayelekile (njengama-amine asezingeni eliphakeme , imidazole).Abakhiqizi abahamba phambili be-methylcyclohexane diamine e-China bahlanganisa i-Henan Leibairui New Material Technology Co., Ltd. kanye ne-Jiangsu Weiketeri Chemical Co., Ltd. Isikali sokusetshenziswa kwasekhaya singamathani angu-7000.

Kumele kuqashelwe ukuthi ama-organic amine elaphayo awahambisani nemvelo futhi aneshalofu ende njenge-anhydride elaphayo, kodwa angcono kakhulu ekusebenzeni nangesikhathi sokusebenza uma kuqhathaniswa nezinhlobo ze-anhydride elaphayo.

I-China inezinhlobonhlobo zemikhiqizo ye-epoxy resin elaphayo embonini yamandla omoya, kodwa imikhiqizo eyinhloko esetshenziswayo eyodwa.Imakethe yamazwe ngamazwe ihlola futhi ithuthukisa imikhiqizo emisha ye-epoxy resin elaphayo, futhi imikhiqizo elaphayo ihlale ithuthukisa futhi iphindaphinda.Inqubekelaphambili yemikhiqizo enjalo emakethe yaseShayina ihamba kancane, ikakhulukazi ngenxa yezindleko eziphezulu zokushintshwa kwefomula yemikhiqizo ye-epoxy resin elapha embonini yamandla omoya, kanye nokungabikho kwemikhiqizo ephelele.Kodwa-ke, ngokuthuthuka okuqhubekayo kobuchwepheshe kanye nokuhlanganiswa kwama-ejenti okwelapha e-epoxy resin nemakethe yamazwe ngamazwe, imikhiqizo yase-China elapha i-epoxy resin elapha emkhakheni wamandla omoya izophinde ithuthukiswe futhi iphindaphindwe.