Izinto ezihlanganisiwe zonke zihlanganiswa nemicu yokuqinisa kanye nezinto zepulasitiki. Iqhaza le-resin ezintweni ezihlanganisiwe libalulekile. Ukukhethwa kwe-resin kunquma uchungechunge lwamapharamitha wenqubo yesimo, izakhiwo zemishini nokusebenza (izakhiwo ezishisayo, ukufudumala, ukumelana kwezemvelo, njll.), Izakhiwo ze-resin nazo ziyisici esibalulekile ekuqondeni izakhiwo zemishini. Lapho i-resin ikhethiwe, iwindi elinquma uhla lwezinqubo kanye nezici zenhlanganisela zinqunywa ngokuzenzakalelayo. I-thermosetting resin inguhlobo lwe-resin oluvame ukusetshenziswa kwama-resin matrix composites ngenxa yokwakhiwa kwayo okuhle. Ama-thermoset resins acishe abe ngu-ketshezi olukhethekile noma oluqinile emazingeni okushisa asekamelweni, futhi ngokomqondo afana nama-monomers akha i-resin ye-thermoplastic kune-remoplastic resin esimweni sokugcina. Ngaphambi kokuthi aqedwe ama-resed, angacutshungulwa abe bobunjwa ahlukahlukene, kepha uma ayelapheka esebenzisa ama-ejenti welapha, ama-commecule aqalwa futhi ngoba ama-molecule ama-molecule aguqulwe abe yi-cross-ntathu exhumeke kathathu ama-polymers aqinile anezinsimbi eziphakeme zamangqamuzana.
Kunezinhlobo eziningi zama-thermosetting resins, asetshenziswa kakhulu yi-phenolic resins,ama-epoxy resins, ama-bis-horse resins, Ama-Vinyl Remins, Phenolic resins, njll.
. Igesi ekhishwe inobuthi obuncane. Ukucekelwa phansi kuhle, futhi izingxenye zezinto ezibonakalayo zenhlanganisela zingakhiqizwa ngokubumba, ukukhulisa, ukubekelwa ngesandla, ukufafaza, ukufafaza izinqubo. Inani elikhulu lezinto zokwenziwa ze-Phenolic Resin-based Composite zisetshenziswa ezintweni zokuhlobisa ezingaphakathi zendiza yezwe.
(2)I-epoxy resini-matrix yokuqala ye-resin esetshenziswa ezinhlakeni zezindiza. Ibonakala ngezinhlobonhlobo zezinto zokwakha. Ama-ejenti ahlukene welapha kanye nama-accelerator angathola uhla lokushisa olapha kusuka ekushiseni kwegumbi kuya ku-180 ℃; Inezakhiwo eziphakeme zemishini; Uhlobo oluhle lwe-fiber; Ukumelana nomswakama kanye nomswakama; ubunzima obuhle kakhulu; Ukwakhiwa okuhle kakhulu (ukumbozwa okuhle, i-resin yokuphumula elinganiselayo, uketshezi oluhle, umkhawulokudonsa ocindezelwe, njll.); ilungele ukubumba okuphelele kwezakhi ezinkulu; eshibhile. Inqubo enhle yokubumba nokububula okuvelele kwe-epoxy resin kwenza kube lula isikhundla esibalulekile ku-resin matrix yezinto zokwakha ezithuthukile.
(3)I-Vinyl Resinibonwa njengomunye we-resins evimbela kakhulu yokugqwala. Ingamelana nama-acid amaningi, i-alkalis, izixazululo kasawoti kanye nemidiya eqinile ye-solvent. Isetshenziswa kabanzi embonini yamaphephaphamathini, embonini yamakhemikhali, ama-elekthronikhi, ama-petroleum, ukugcinwa kanye nokuhamba, ukuvikelwa kwemvelo, imikhumbi, imboni yokukhanyisa izimoto. Inezici ze-polyester ezingafakwanga kanye ne-epoxy resin, ukuze inezakhiwo ezinhle kakhulu zemishini ze-epoxy resin kanye nenqubo enhle yokusebenza kwe-polyester engafakwanga. Ngaphezu kokumelana nokugqwala okuvelele, lolu hlobo lwe-resin luphinde lube nokuvikelwa okuhle kokushisa. Kubandakanya uhlobo olujwayelekile, uhlobo lokushisa oluphezulu, uhlobo lwe-flame retardant, uhlobo lokumelana nomthelela nezinye izinhlobo. Ukusetshenziswa kwe-vinyl resin ku-fiber aqinisiwe ipulasitiki (i-frp) kusekelwe ikakhulu ekulesweni kwesandla, ikakhulukazi kwizicelo zokulwa nokuwohloka. Ngokuthuthukiswa kwe-SMC, ukusetshenziswa kwayo kulokhu nakho kuyabonakala impela.
. Lezi zidingo zifaka phakathi: izingxenye ezinkulu namaphrofayili ayinkimbinkimbi ngo-130 Okubi ukuthi ukwakheka akukuhle njenge-epoxy resin, kanti izinga lokuphumula liphezulu (ngokwelapha ngenhla kwe-185 ℃), futhi kudinga amazinga okushisa angama-200 ℃. Noma isikhathi eside ekushiseni okungaphezulu kwama-200 ℃.
. Izakhiwo zemishini kanye nezakhiwo ezibophayo, njll., Futhi zinobuchwepheshe obufanayo bokucubungula ku-epoxy resin.
Njengamanje, ama-cyanate resin asetshenziswa ikakhulukazi ezicini ezintathu: amabhodi wesifunda aphrintiwe we-digital enesivinini esikhulu nesivama kakhulu, i-wave-performerve edlulisela izinto zokwakha eziphakeme nezinto zokwakha eziphakeme zezinhlanganisela zesakhiwo sezinhlanganisela zesakhiwo se-aerospace.
Ukuyibeka nje, i-epoxy resin, ukusebenza kwe-epoxy resin akuhlobene kuphela nezimo zokwenziwa, kepha futhi ikakhulukazi kuya ngesakhiwo samangqamuzana. Iqembu le-glycidyl e-epoxy resin liyingxenye eguquguqukayo, enganciphisa ukubonakala kwe-resin futhi ithuthukise ukusebenza kwenqubo, kepha ngasikhathi sinye inciphise ukumelana nokushisa kwe-resin elapha. Izindlela eziphambili zokwenza ngcono izakhiwo ezishisayo nezemishini zama-epoxy alapha ama-resins aphansi molecular isisindo kanye ne-multifunralization ukwandisa izinkambiso ze-crosslink futhi wethule izakhiwo eziqinile. Vele, ukwethulwa kwesakhiwo esiqinile kuholela ekwehleni kwe-solubity kanye nokwanda kokubonakala, okuholela ekwehliseni ukusebenza kwenqubo ye-epoxy resin. Ungakuthuthukisa kanjani ukumelana nokushisa kwe-epoxy Resin System kuyinto ebaluleke kakhulu. Kusuka endaweni yokubukwa kwe-resin ne-ejenti yelapha, amaqembu asebenza kakhulu, okukhulu kakhulu ukunqamula. Phezulu i-TG. Ukusebenza Okuthile: Sebenzisa i-Multifunctional Epoxy Resin noma i-ejenti yelapha, sebenzisa i-Resin ePhezulu Epoxy Resin. Indlela esetshenziswayo evame ukwengeza ingxenye ethile ye-O-Methyl Acetaldehyde epoxy resin ohlelweni lwelapha, olunomphumela omuhle nezindleko eziphansi. Okukhulu isisindo samangqamuzana aphakathi, ukusatshalaliswa kwesisindo kwamangqamuzana, kanye nokuphakama kwe-TG. Ukusebenza Okucacisiwe: Sebenzisa i-Resin E-Epoxy ephelele noma i-ejenti yokuphulukisa noma ezinye izindlela ngokusatshalaliswa kwesisindo molecular okufanayo.
Njenge-matrix yokusebenza okuphezulu i-resin esetshenziswa njenge-matrix eyinhlanganisela, izakhiwo zayo ezahlukahlukene, njengokucinga, izakhiwo ze-thermophysical kanye nezakhiwo zemishini, kufanele zihlangabezane nezidingo zezicelo ezisebenzayo. Ukufakwa kwe-Resin Matrix kufaka phakathi i-solubity kuma-solvents, ukuncibilika kwe-viscosity (uketshezi) kanye nokushintsha kwe-viscosity, kanye nesikhathi se-gel kuguquka ngokushisa (iwindi lenqubo). Ukwakheka kokwakhiwa kwe-resin kanye nokukhethwa kwezinga lokushisa reaction kunquma amakhemikhali okusabela kwamakhemikhali (izinga lokulahla), izakhiwo zamakhemikhali (amazinga okushisa okuvikelayo), kanye nokuphendula kwamakhemikhali i-thermodynamics (expothermic). Izinqubo ezahlukahlukene zinezidingo ezihlukile zokuvuselela kabusha. Ngokuvamile, ngenqubo yokuvuselela umoya, i-resin viscosity imvamisa cishe ama-500cps; Ngenqubo yokuphupha, i-resin viscosity icishe ibe ngu-800 ~ 1200cps; Inqubo ye-Vacuum Isingeniso, i-Resin Viscosity imvamisa cishe ngo-300CPS, futhi inqubo ye-RTM ingaba ngaphezulu, kepha ngokuvamile ngeke idlule ama-800cps; Ngenqubo yokusebenza kabusha, i-viscosity iyadingeka ukuba ibe phezulu kakhulu, ngokuvamile cishe ngo-30000 ~ 50000cps. Kuyiqiniso, lezi zidingo ze-viscocity zihlobene nezakhiwo zenqubo, imishini kanye nezinto zokwakha ngokwazo, futhi azizona zimbi. Ngokuvamile ukukhuluma, njengoba izinga lokushisa likhuphuka, ukubonakala kwe-resin kuncipha ebangeni lokushisa eliphansi; Kodwa-ke, njengoba izinga lokushisa lenyuka, ukusabela kwelapha futhi, ukukhuluma ngokuhamba kwesikhathi, izinga lokushisa eliphakeme liphindwe kabili kulo lonke elase-10 ① iphuzu elithile elibucayi le-viscosity. Isibonelo, kuthatha imizuzu engama-50 yohlelo lwe-resin ngokubona kwama-200cps ngo-100 ℃ ukukhulisa ukubonakala kwalo ku-1000CPS, khona-ke isikhathi esidingekayo sohlelo lwayo lokuhlala lusuka ku-200cps ku-110 ℃ cishe imizuzu engama-25. Ukukhethwa kwamapharamitha enqubo kufanele ubheke ngokugcwele ukubonwa nesikhathi se-gel. Isibonelo, kwinqubo yesingeniso se-Vacuum, kuyadingeka ukuqinisekisa ukuthi i-viscosity emazingeni okushisa asebenzayo ingaphakathi kobubanzi obudingekayo yinqubo, futhi impilo yembiza ye-resin kulokhu kushisa kufanelekile ukuqinisekisa ukuthi i-resin kungangeniswa. Ukufingqa, ukukhethwa kohlobo lwe-resin inqubo yomjovo kumele kucatshangelwe iphuzu le-gel, ukugcwalisa isikhathi kanye nokushisa kwezinto ezibonakalayo. Ezinye izinqubo zinesimo esifanayo.
Enqubweni yokubumba, ubukhulu kanye nokwakheka kwengxenye (isikhunta), uhlobo lokuqiniswa, kanye nemingcele yenqubo inquma izinga lokudlulisa ukushisa kanye nenqubo yokudlulisa ngobuningi yenqubo yenqubo. I-Resin yelapha ukushisa okuphakanyisiwe, okukhiqizwa ukwakheka kwamabhondi zamakhemikhali. Amabhondi amakhemikhali amaningi akhiwa ngevolumu ngalinye leyunithi ngesikhathi esithile, amandla amaningi akhishwa. Ama-coefficients okushisa okushisa kwama-resins nama-polymers awo ngokuvamile aphansi impela. Izinga lokususwa kokushisa ngesikhathi se-polymerization alikwazi ukufanisa izinga lokushisa lokushisa. Lawa manani wokushisa akhuphula abangela ukusabela kwamakhemikhali ukuthi aqhubeke ngesilinganiso esisheshayo, okuholele ekutheni lokhu kusabela okusheshayo ekugcineni kuzoholela ekuhlulekeni kwengcindezi noma ukuwohloka kwengxenye. Lokhu kugqame kakhulu ekwenziweni kwezingxenye ezinkulu ezinhlanganisela, futhi kubaluleke kakhulu ukwenza ngcono indlela yenqubo yokulapha. Inkinga ye- "Temperiture Overshshoot" yendawo ebangelwa i-Empothermic, kanye nomehluko wombuso (njengomehluko wokushisa) phakathi kwewindi lenqubo yomhlaba wonke kanye newindi lenqubo yendawo konke ngenxa yokuthi ungalilawula kanjani inqubo yokulapha. "Ukufana kokushisa" kule ngxenye (ikakhulukazi ekuqondisweni kwengxenye), ukufezekisa "ukufana kokushisa" kuncike ekuhlelweni (noma isicelo) sohlelo oluthile "ohlelweni lokukhiqiza". Ezingxenyeni ezincanyana, ngoba inani elikhulu lokushisa lizohlakazwa emvelweni, izinga lokushisa likhuphuka ngobumnene, futhi kwesinye isikhathi ingxenye ngeke yelapheke ngokuphelele. Ngalesi sikhathi, ukushisa okusizayo kudinga ukusetshenziswa ukuze kuqedwe ukusabela okuxhumanisayo, okungukuthi, ukufudumeza okuqhubekayo.
I-Composetite Material Actions non-autoclave yakha ubuchwepheshe buhlobene nobuchwepheshe be-autoclave yendabuko. Ekhuluma kabanzi, noma iyiphi impahla eyinhlanganisela eyakhayo engasebenzisi imishini ye-autoclave ingabizwa ngokuthi yi-non-autoclave yakha ubuchwepheshe. . Kuze kube manje, ukusetshenziswa kwe-non-autoclave yokubumba kwensimu ye-aerospace ikakhulukazi kufaka phakathi izinkomba ezilandelayo: Ubuchwepheshe bokubumba uketshezi, ubuchwepheshe bokunciphisa ubuchwepheshe be-microwave, ubuchwepheshe be-beam ye-elektroni, ubuchwepheshe be-fluering burn fluad, umfutho wengcindezelo uketshezi lwe-fluad, umfutho wengcindezelo uketshezi lwephulukisa . Phakathi kwalezi zibuchwepheshe, i-OOA (OutOf Autoclave) Technology usondelene nenqubo yokwenza i-autoclave yendabuko yendabuko, futhi inezinhlobonhlobo zokubekwa kwencwajana kanye nezisekelo zokubeka ezenzakalelayo, ngakho-ke kubhekwa njengendwangu engalukiwe okungenzeka ukuthi yenziwe ngezinga elikhulu. I-AutoClave yakha ubuchwepheshe. Isizathu esibalulekile sokusebenzisa i-autoclave yezingxenye eziphakeme zenhlanganisela ukuhlinzeka ngengcindezi eyanele ekwenzeni i-prepreg, incishise igesi nganoma iyiphi igesi, futhi lokhu yi-OOA PrePREG TREASTION the Technology idinga ukuhlukana. Ukuthi intukuthelo yengxenye ingalawulwa ngaphansi kwengcindezi ye-vacuum kanye nokusebenza kwayo kungafinyelela ukusebenza kwe-autoclave ephulukele laminate inkindlela ebalulekile yokuhlola ikhwalithi ye-OOA PrePreg nenqubo yayo yokubumba.
Ukuthuthukiswa kwe-OOA PrePreg Technology kuqala kusukela ekuthuthukisweni kwe-resin. Kunamaphuzu amathathu aphambili ekuthuthukisweni kwama-resins we-OOA PrePregs: One ukulawula i-porolity yezingxenye ezibunjiweyo, njengokusebenzisa ukusabela kokuphendula okuvuthiwe ukunciphisa ama-volutiles ekuphenduleni kokwelapha; Okwesibili ukuthuthukisa ukusebenza kwama-resin alapha ukufeza izakhiwo ze-resin ezakhiwe yinqubo ye-autoclave, kufaka phakathi izakhiwo ezishisayo kanye nezakhiwo zemishini; Okwesithathu ukuqinisekisa ukuthi i-prepreg inokungezwani okuhle, njengokuqinisekisa ukuthi i-resin ingageleza ngaphansi kwengcindezi yengcindezi yasemkhathini, uqinisekise ukuthi inempilo ende yokuphila kanye nokushisa kwegumbi elanele ngaphandle kwesikhathi, njll. Ucwaningo lwezinto ezibonakalayo kanye nentuthuko ngokuya ngezidingo ezithile zokuklama nezindlela zenqubo. Izinkomba eziphambili kufanele zifake: Ukuthuthukisa izakhiwo zemishini, ukukhulisa isikhathi sangaphandle, ukunciphisa izinga lokushisa, kanye nokwenza ngcono umswakama kanye nokuphikiswa kokushisa. Eminye yalokhu kwenziwa ngcono kokusebenza kuyangqubuzana. , njengokuqina okuphezulu kanye nokwelapha okuphansi okuphansi. Udinga ukuthola iphuzu elilinganiselayo futhi ulibheke ngokufanele!
Ngaphezu kokuthuthukiswa kwe-resin, indlela yokukhiqiza ye-prepreg futhi ithuthukisa ukuthuthukiswa kwesicelo se-OOA PrePREG. Ucwaningo luthole ukubaluleka kweziteshi ze-vacuum preproum zokwenza i-zero-poormates yalaya. Ucwaningo olwedlule lukhombisile ukuthi ama-prepregs afakwe ngaphakathi angathuthukisa ngempumelelo ukuvumela kwegesi. I-OOA PrePregs ifakwe ama-resin, futhi imicu eyomile isetshenziswa njengeziteshi zegesi yokuqeda amandla. Amagesi kanye nama-volutiles abathintekayo ekwelapheni kwengxenye angaqeda iziteshi ezinjengokuthi i-polosion yengxenye yokugcina i- <1%.
Inqubo yokubhalwa kwe-vacuum ingeyonqubo engeyona eye-autoclave yakha (OOA). Ngamafuphi, kuyinqubo yokubumba eveza umkhiqizo phakathi kwesikhunta nesikhwama se-vacuum, bese ucindezela umkhiqizo ngokuvalwa ukwenza umkhiqizo ohlanganisiwe kanye nezakhiwo ezingcono zemishini. Inqubo enkulu yokukhiqiza
Okokuqala, i-ejenti ye-ejenti yokukhishwa noma indwangu yokukhishwa isetshenziswa kubumba lokubumba (noma i-Glass Sheet). I-Prepreg ihlolwe ngokuya ngezinga le-prepreg elisetshenzisiwe, ikakhulukazi kufaka phakathi ubungako bendawo, okuqukethwe kwe-resin kanye neminye imininingwane ye-prepreg. Sika i-prepregrag ibe ngosayizi. Lapho usika, naka ukuqondiswa kwemicu. Ngokuvamile, ukuphambuka kwemicu kuyadingeka ukuba kungaphansi kwe-1 °. Faka inombolo ingxenye ngayinye yokungena ngemvume bese uqopha inombolo ye-prepreg. Lapho ubeka izingqimba, izingqimba kufanele zibekwe ngokuqinile ngokuhambisana ne-lay-up Order ezidingekayo ephepheni lokuqoshwa kwerekhodi, futhi amafilimu wefilimu noma iphepha lokukhishwa kufanele axhumeke eceleni kwemicu, kanye nama-bubble omoya kufanele ukuxoshwa eceleni kwendlela yemicu. I-scraper isakaza i-prepreg futhi ihlehlise ngangokunokwenzeka ukuze isuse umoya phakathi kwezendlalelo. Lapho ubeka phezulu, kwesinye isikhathi kuyadingeka ukuhlukanisa ama-prepregs, okumele ahlukaniswe eceleni kwe-fiber. Enqubweni yokuhlukanisa, ukugqagqana kanye nokugqagqana okuncane kufanele kufinyelelwe, futhi imishini yokuhlukanisa ehlukanisayo yesendlalelo ngasinye kufanele iphazamise. Ngokuvamile, igebe lokuhlukanisa le-Unidirectional PrePreg limi ngokulandelayo. 1mm; I-prepreg evuliwe ivunyelwe kuphela ukugqagqana, hhayi ukuhlukaniswa, kanye nobubanzi bokugqagqana kungu-10 ~ 15mm. Okulandelayo, naka i-vacuum pre-contraction, kanye nobukhulu bokuphampula kwangaphambili kuyahlukahluka ngokuya ngezidingo ezihlukile. Inhloso ukukhipha umoya obambeke ku-harpup kanye nama-volutiles e-prepreg ukuze aqinisekise ikhwalithi yangaphakathi yengxenye. Bese kuba nokubekwa kwezinto ezisizayo nokugoba kwe-vacuum. Ukubekwa uphawu kwesikhwama nokwelapha: Isidingo sokugcina ngeke sikwazi ukuvuza umoya. Qaphela: Indawo lapho kuvame khona ukuvuza komoya kuhlangene.
Siphinde sikhiqizeI-Fiberglass eqondile eqondile,Ama-fiberglass mat, I-fiberglass mesh, na-I-fiberglass elukiwe roving.
Xhumana nathi :
Inombolo yocingo: +8615823184699
Inombolo yocingo: +8602367853804
Email:marketing@frp-cqdj.com
Isikhathi Seposi: Meyi-23-2022
