Hauv kev lag luam cua fais fab, epoxy resin tam sim no tau siv dav hauv cov khoom siv cua turbine hniav.Epoxy resin yog cov khoom siv ua haujlwm siab nrog cov khoom siv zoo heev, tshuaj lom neeg ruaj khov, thiab tiv thaiv corrosion.Hauv kev tsim cov cua turbine hniav, epoxy resin yog siv dav hauv cov khoom siv, cov khoom sib txuas, thiab cov txheej txheem ntawm cov hniav.Epoxy resin tuaj yeem muab lub zog siab, siab tawv, thiab qaug zog tiv thaiv hauv cov qauv kev txhawb nqa, lub cev pob txha, thiab kev sib txuas ntawm cov hniav, ua kom muaj kev ruaj ntseg thiab kev ntseeg siab ntawm cov hniav.

Epoxy resin tseem tuaj yeem txhim kho cua shear thiab cuam tshuam ntawm cov hniav, txo cov hniav vibration suab nrov, thiab txhim kho cua zog tsim kev ua haujlwm.Tam sim no, epoxy resin thiab iav fiber ntau hloov kho tseem siv ncaj qha rau hauv cov ntaub ntawv cua turbine hniav, uas tuaj yeem txhim kho lub zog thiab corrosion kuj.

Nyob rau hauv cov ntaub ntawv cua turbine hniav, daim ntawv thov ntawm epoxy resin kuj yuav tsum tau siv cov khoom siv tshuaj xws li curing agents thiab accelerators:

Ua ntej, feem ntau siv epoxy resin curing tus neeg saib xyuas hauv kev lag luam cua fais fab yog polyether amine

Cov khoom lag luam raug yog polyether amine, uas tseem yog feem ntau siv epoxy resin curing tus neeg sawv cev khoom hauv kev lag luam cua fais fab.Polyether amine epoxy resin curing tus neeg sawv cev yog siv rau hauv kev kho ntawm matrix epoxy resin thiab structural adhesive.Nws muaj cov khoom zoo heev xws li tsis tshua muaj viscosity, lub neej ua haujlwm ntev, tiv thaiv kev laus, thiab lwm yam. Nws tau siv dav hauv kev tsim hluav taws xob, textile printing thiab dyeing, railway anti-corrosion, choj thiab nkoj waterproofing, roj thiab shale gas tshawb nrhiav. thiab lwm yam teb.Lub downstream ntawm polyether amine account rau ntau tshaj 62% ntawm cua zog.Nws yuav tsum raug sau tseg tias polyether amines yog cov organic amine epoxy resins.

Raws li kev tshawb nrhiav, polyether amines tuaj yeem tau txais los ntawm amination ntawm polyethylene glycol, polypropylene glycol, los yog ethylene glycol / propylene glycol copolymer nyob rau hauv qhov kub thiab txias.Xaiv cov qauv polyoxoalkyl sib txawv tuaj yeem kho cov tshuaj tiv thaiv kev ua haujlwm, toughness, viscosity, thiab hydrophilicity ntawm polyether amines.Polyether amine muaj qhov zoo ntawm kev ruaj ntseg zoo, tsis muaj xim dawb, zoo gloss tom qab kho, thiab siab hardness.Nws tuaj yeem yaj hauv cov kuab tshuaj xws li dej, ethanol, hydrocarbons, esters, ethylene glycol ethers, thiab ketones.

Raws li kev tshawb fawb, kev noj cov nplai ntawm Tuam Tshoj lub lag luam polyether amine tau tshaj 100000 tons, qhia txog kev loj hlob ntawm ntau dua 25% hauv ob peb xyoos dhau los.Nws cia siab tias los ntawm 2025, kev lag luam ntim ntawm polyether amines nyob rau hauv Tuam Tshoj yuav tshaj 150000 tons nyob rau hauv lub sij hawm luv luv, thiab kev loj hlob tus nqi ntawm polyether amines yuav tsum nyob ib ncig ntawm 8% yav tom ntej.

Lub tuam txhab tsim khoom ntawm polyether amine hauv Suav teb yog Chenhua Co., Ltd., uas muaj ob lub hauv paus tsim khoom hauv Yangzhou thiab Huai'an.Nws muaj tag nrho ntawm 31000 tons / xyoo ntawm polyether amine (kawg amino polyether) (nrog rau kev tsim muaj peev xwm ntawm 3000 tons / xyoo ntawm polyether amine project nyob rau hauv kev tsim kho), 35000 tons / xyoo ntawm alkyl glycosides, 34800 tons / xyoo ntawm nplaim taws retardants , 8500 tons / xyoo ntawm silicone roj hmab, 45400 tons / xyoo ntawm polyether, 4600 tons / xyoo ntawm silicone roj, thiab lwm yam khoom muaj peev xwm ntawm 100 tons / xyoo.Yav tom ntej Changhua Group npaj yuav nqis peev kwv yees li 600 lab yuan hauv Huai'an Industrial Park hauv Jiangsu Province los tsim ib qho kev tsim txhua xyoo ntawm 40000 tons ntawm polyether amine thiab 42000 tons ntawm polyether tej yaam num.

Tsis tas li ntawd, cov tuam txhab sawv cev ntawm polyether amine hauv Suav teb suav nrog Wuxi Acoli, Yantai Minsheng, Shandong Zhengda, Real Madrid Technology, thiab Wanhua Chemical.Raws li kev txheeb cais ntawm cov phiaj xwm kev tsim kho, lub sijhawm ntev kev npaj tsim muaj peev xwm ntawm polyether amines hauv Suav teb yuav tshaj 200000 tons yav tom ntej.Nws cia siab tias lub sijhawm ntev ntawm kev tsim cov peev txheej ntawm polyether amines hauv Suav teb yuav ntau dua 300000 tons hauv ib xyoos, thiab kev loj hlob mus sij hawm ntev yuav nce siab ntxiv.

Thib ob, qhov ceev tshaj plaws epoxy resin curing tus neeg sawv cev hauv kev lag luam cua fais fab: methyltetrahydrophthalic anhydride

Raws li kev soj ntsuam, qhov ceev tshaj plaws epoxy resin curing tus neeg saib xyuas hauv kev lag luam cua fais fab yog methyltetrahydrophthalic anhydride curing tus neeg saib xyuas.Nyob rau hauv lub tshav pob hluav taws xob epoxy curing agents, kuj tseem muaj methyl tetrahydrophthalic anhydride (MTHPA), uas yog cov feem ntau siv curing tus neeg saib xyuas nyob rau hauv high-performance epoxy resin raws li carbon fiber (los yog iav fiber) reinforced composite cov ntaub ntawv rau cua zog hniav los ntawm txheej txheem extrusion molding.MTHPA kuj tseem siv rau hauv cov ntaub ntawv siv hluav taws xob, tshuaj, tshuaj tua kab, resins, thiab kev lag luam tiv thaiv hauv tebchaws.Methyl tetrahydrophthalic anhydride yog ib qho tseem ceeb ntawm cov neeg sawv cev ntawm anhydride curing agents thiab tseem yog hom kev kho mob sai tshaj plaws rau yav tom ntej.

Methyltetrahydrophthalic anhydride yog synthesized los ntawm cov txiv neej anhydride thiab methylbutadiene los ntawm diene synthesis thiab ces isomerized.Lub tuam txhab ua lag luam hauv tsev yog Puyang Huicheng Electronic Materials Co., Ltd., nrog rau kev siv ntawm ib txhiab tons hauv Suav teb.Nrog kev loj hlob sai ntawm kev lag luam thiab kev siv cov khoom siv kho dua tshiab, qhov kev thov rau cov txheej txheej, cov yas, thiab cov roj hmab kuj tseem nce ntxiv, ntxiv rau kev loj hlob ntawm kev lag luam methyl tetrahydrophthalic anhydride.

Tsis tas li ntawd, anhydride curing agents kuj muaj xws li tetrahydrophthalic anhydride THPA, hexahydrophthalic anhydride HHPA, methylhexahydrophthalic anhydride MHHPA, methyl-p-nitroaniline MNA, thiab lwm yam. Cov khoom no tuaj yeem siv rau hauv thaj chaw cua turbine hniav epoxy resin curing agents.

Thib peb, epoxy resin kho cov neeg ua haujlwm nrog kev ua haujlwm zoo tshaj plaws hauv kev lag luam cua fais fab suav nrog isophorone diamine thiab methylcyclohexane diamine.

Ntawm cov epoxy resin curing agent cov khoom, cov kev ua tau zoo tshaj plaws curing tus neeg sawv cev ntau yam muaj xws li isoflurone diamine, methylcyclohexanediamine, methyltetrahydrophthalic anhydride, tetrahydrophthalic anhydride, hexahydrophthalic anhydride, methylhexahydrophthalic anhydride, methylhexahydrophthalic anhydride, cov khoom siv zoo heev, curing-methyllinep. tsim nyog lub sij hawm ua hauj lwm, uas tsis muaj curing thaum tshav kub kub tso tawm, thiab zoo heev txhaj tshuaj txheej txheem operability, thiab yog siv nyob rau hauv cov ntaub ntawv sib xyaw ntawm epoxy resin thiab iav fiber rau cua turbine hniav.Anhydride curing agents yog cov cua sov kho thiab tsim nyog rau cov txheej txheem extrusion molding ntawm cua turbine hniav.

Cov tuam txhab tsim khoom thoob ntiaj teb ntawm isophorone diamine suav nrog BASF AG hauv Tebchaws Yelemees, Evonik Industries, DuPont hauv Tebchaws Meskas, BP hauv tebchaws Askiv, thiab Sumitomo hauv Nyij Pooj.Ntawm lawv, Evonik yog qhov loj tshaj plaws isophorone diamine kev lag luam hauv ntiaj teb.Lub tuam txhab Suav tseem ceeb yog Evonik Shanghai, Wanhua Chemical, Tongling Hengxing Chemical, thiab lwm yam., nrog rau qhov ntsuas ntawm kwv yees li 100000 tons hauv Suav teb.

Methylcyclohexanediamine feem ntau yog sib xyaw ntawm 1-methyl-2,4-cyclohexanediamine thiab 1-methyl-2,6-cyclohexanediamine.Nws yog ib qho aliphatic cycloalkyl compound tau los ntawm hydrogenation ntawm 2.4-diaminotoluene.Methylcyclohexanediamine tuaj yeem siv ib leeg los ua tus neeg sawv cev kho rau epoxy resins, thiab tseem tuaj yeem sib xyaw nrog lwm cov epoxy curing agents (xws li fatty amines, alicyclic amines, aromatic amines, acid anhydrides, thiab lwm yam) los yog cov tshuaj accelerators (xws li tertiary amines. , imidazole).Cov neeg tsim khoom ntawm methylcyclohexane diamine hauv Suav teb suav nrog Henan Leibairui New Material Technology Co., Ltd. thiab Jiangsu Weiketerri Chemical Co., Ltd. Cov khoom siv hauv tsev yog li 7000 tons.

Nws yuav tsum tau muab sau tseg tias cov organic amine curing agents tsis yog ib puag ncig tus phooj ywg thiab muaj lub neej txee ntev dua li anhydride curing agents, tab sis lawv zoo tshaj hauv kev ua haujlwm thiab lub sijhawm ua haujlwm piv rau anhydride curing agent ntau yam.

Tuam Tshoj muaj ntau yam ntawm epoxy resin curing tus neeg sawv cev khoom nyob rau hauv lub tshuab fais fab kev lag luam, tab sis cov khoom siv tseem ceeb yog ib leeg.Kev lag luam thoob ntiaj teb tab tom tshawb nrhiav thiab tsim cov khoom tshiab epoxy resin curing tus neeg sawv cev, thiab cov khoom kho tus neeg sawv cev tau hloov kho tas li thiab iterating.Kev nce qib ntawm cov khoom lag luam hauv Suav lag luam yog qeeb, feem ntau yog vim tus nqi siab ntawm cov qauv hloov pauv rau epoxy resin curing tus neeg sawv cev cov khoom hauv kev lag luam cua fais fab, thiab tsis muaj cov khoom tiav.Txawm li cas los xij, nrog kev nce qib ntawm kev siv thev naus laus zis thiab kev koom ua ke ntawm epoxy resin curing agents nrog rau kev lag luam thoob ntiaj teb, Tuam Tshoj tus epoxy resin curing tus neeg saib xyuas cov khoom lag luam nyob rau hauv cov cua fais fab teb tseem yuav tau hloov kho tas li thiab rov ua dua.