(I) umqondo wei-epoxy resin
I-Epoxy Resin isho isakhiwo se-polymer chain sakhiwo iqukethe amaqembu amabili noma amaningi e-epoxy kumakhompiyutha e-polymer, angowase-resin we-thermosetting, i-resin emele iBisphenol
(Ii) Izici) zama-epoxy resins (ngokuvamile abizwa ngokuthi yi-bisphenol uhlobo lwe-epoxy resins)
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2. Amandla aphezulu eBonding: Amandla eBonding of Epoxy Resin Adhesive angaphambili kwezikhangiso zokwenziwa.
I-3. Ukwelashwa kwe-shrinkage kuncane, ku-adhesive epoxy resin adhesive shrinkage kuyinto encane kunazo zonke, okubuye kube nama-epoxy resin anamathela ngokunamathela okunamathela okuphezulu kwezizathu.
I-4. Ukumelana okuhle kwamakhemikhali: Iqembu le-ether, i-Benzene Ring kanye ne-Aliphatic Hydroxyl Group ohlelweni lwelapha alwenziwe kalula nge-acid ne-alkali. Emanzi olwandle, uphethrolewu, epasenene, 10% H2SO4, 10% HCL, 10% HAC, 10% H3PO4, 10% H3PO4 no-30% NA2CO3 bangasetjenziswa iminyaka emibili; futhi ngo-50% H2SO4 kanye ne-10% Hno3 ukucwiliswa emazingeni okushisa asekamelweni engxenyeni yonyaka; I-10% Naoh (100 ℃) ukucwiliswa ngenyanga eyodwa, ukusebenza kuhlala kungashintshiwe.
5 I-Bisphenol Type A-Type Epoxy Resin Advantages ilungile, kepha futhi inobunzima bayo: ①. I-Viscosity Esebenzayo, ebonakala ingekho okuthile okungahambi kahle ekwakhiweni ②. Izinto eziphelelwe yi-brittle, ukugcwala kuncane. ③. Amandla we-peel aphansi. ④. Ukumelana okungekuhle kokushaqeka kwemishini nokushisayo.
(Iii) uhlelo kanye nentuthuko yei-epoxy resin
1. Umlando wentuthuko we-epoxy resin: i-epoxy resin yafakwa eSwitzerland patent ngu-1968, kwasungulwa i-epoxy adhesive yango-1938, kanti ukuhlanganiswa kwe-epoxy kwakhiwa iSocreentee ye-USA ngo-1949, kanti ukukhiqizwa kwezimboni kwe-epoxy Resin kwaqalwa ngo-1958.
2. Ukusetshenziswa kwe-Epoxy Resin: ① Imboni ye-Epoxy: I-Epoxy Resin embonini ye-Coating idinga inani elikhulu kakhulu lezingubo ezisuselwa emanzini, ukumboza i-powder kanye nokugqokwa okuqinile okuphezulu kusetshenziswa kabanzi. Ingasetshenziswa kabanzi ezitsheni zamapayipi, izimoto, imikhumbi, i-aerospace, i-elekthronikhi, amathoyizi, ubuciko kanye nezinye izimboni. ② Umkhakha kagesi nogesi we-elekthronikhi: Ukunamathela kwe-epoxy resin kungasetshenziselwa izinto zokufakwa ngogesi, ezinjengama-rexifers, ama-transformers, poting fating; ukubekwa uphawu nokuvikelwa kwezinto ze-elekthronikhi; Imikhiqizo ye-Electromechanical, ukufakwa kanye nokubopha izibopho; ukubekwa uphawu nokubopha amabhethri; Ama-capacitor, amelana, ama-inducrosors, ingaphezulu lengubo. ③ ubucwebe begolide, ubuciko, imboni yezimpahla zezemidlalo: Ingasetshenziselwa izibonakaliso, ubucwebe, izimpawu zokuthengisa, i-hardware, ama-rakets, ukudoba, izimpahla zokudoba, imisebenzi yezemidlalo kanye neminye imikhiqizo. Imboni ye-Optoelectronic: Ingasetshenziselwa ukubhebhana, ukugcwalisa kanye nokubhidlizwa kwama-diode akhanyise ama-diode (amashubhu wedijithali, amashubhu we-pixel, ukuboniswa nge-elekthronikhi, ukukhanyisa okuholwa yi-elekd. Imboni ye-⑤Constry: Kuzosetshenziswa kabanzi emgaqweni, ibhuloho, i-flooring, isakhiwo sensimbi, ukwakhiwa kodonga, idamu, ukwakhiwa kobunjiniyela, ukulungiswa kwamasiko. Ama-adhesives, ama-sealants kanye nenkambu ye-composites: njenge-turbic turbine blades, ama-handic, ama-ceramics, ingilazi kanye nezinye izinhlobo zokubopha phakathi kwezinto, ama-microeleelectronic ahlanganisa ukubekwa uphawu.
(Iv) Izici zeI-Epoxy Resin Adhesive
1. Ukunamathela kwe-epoxy resin kususelwa ezimfanelweni ze-epoxy resin zokuphindisela noma ukuguqulwa, ukuze ama-epoxy Resin anamathela ngokulinganayo ukuze akwazi ukunamathela ngokufanele, ngokuvamile anamathela ngokulinganayo futhi anamathele anamathela nge-glue noma i-ejenti esele i-b glue ye-B noma i-ejenti yelapha (i-hardener).
2. Ukubonisa izici eziphambili ze-epoxy resin anamathela ngaphambi kokuthi uphule yilezi: umbala, i-viscosity, isikhathi esithile, isikhathi sokuphumula, isikhathi sokuphumula, ukugeleza kwengxabano nokunye. I-Viscosity (I-Viscosity): Ukumelana kwangaphakathi kwe-colloid kokugeleza, inani layo linqunywa uhlobo lwento, izinga lokushisa, ukugxila kanye nezinye izinto.
Isikhathi seGel: Ukwelashwa kwe-glue inqubo yenguquko evela ku-liquid iye ekuqinisweni, kusukela ekuqaleni kokusabela kwe-glue esisezingeni eliphakeme se-Gel, okunqunywa yisikhathi sokuxubana se-epoxy resin glue, izinga lokushisa nezinye izinto.
Thixotropy: Lesi sici sibhekisele ku-colloid esithinteke ngamabutho angaphandle (sithuthumela, sivuselelayo, amagagasi e-ultrasonic, lapho izici zangaphandle zisuka phezulu zibe mncane.
Ubunzima: Kubhekiswa ekumelaneni kokuqukethwe kumandla angaphandle anjengokufaka nokuhlambalaza. Ngokusho kwezindlela ezahlukahlukene zokuhlola zolwandle (i-Brinell (Brinell) Hardnessness, i-Rocwell (Rocwell) Hardness, iMohts (Mohs) Hardness, iBarcol (Barcol) Hardness, amaVickers (ama-Vichers (ama-Vichers) ubulukhuni nokunye. Inani lobulukhuni kanye nohlobo lwe-hardness test ehlobene nomhloli we-hardness ovame ukusetshenziswa, isakhiwo se-soce hardness test silula, kufanelekile ukuhlolwa kokukhiqiza, uhlobo lokukhiqiza osogwini lungahlukaniswa luhlobo, uhlobo lwe-Cwini, uhlobo lokulinganisa i-colloid ethambile ne-hard colloid.
Ukungezwani komhlaba: Okuhehayo kwama-molecule ngaphakathi koketshezi ukuze ama-molecule angaphakathi kwamandla angaphakathi, lo msebenzi wenza uketshezi ngangokunokwenzeka ukunciphisa indawo yalo ebusweni, eyaziwa ngokuthi ukungezwani komhlaba. Noma ukugcwala okuhambisanayo phakathi kwezingxenye ezimbili eziseduze kwendawo yoketshezi ubude beyunithi ngayinye, kungukubonakaliswa kwamandla amamolekyuli. Iyunithi yokungezwani komhlaba yi-n / m. Usayizi wokungezwani komhlaba uhlobene nemvelo, ubumsulwa kanye nokushisa koketshezi.
3. Ukubonisa izici zeI-Epoxy Resin AdhesiveNgemuva kokulapha izici eziphambili yilezi: Ukumelana, ama-voltage, ukumunca amanzi, amandla okushisa okushisa, amandla okushisa okushisa, amandla okushisa, ukuqina, ukuqina kwesimo sezulu, ukuvumelanisa nokuguga, njalonjalo.
Inkani: Chaza izici zokumelana nezinto ezibonakalayo ngokuvamile ngokumelana komhlaba noma ukumelana kwevolumu. Ukumelana komhlaba kumane nje kungumugqa ofanayo phakathi kwama-electrodes amabili alinganiswe inani lokumelana, iyunithi ω. Ukwakheka kwe-electrode kanye nenani lokumelana kungabalwa ngokuhlanganisa ukumelana komhlaba ngeyunithi ngayinye. Ukumelana ngevolumu, eyaziwa nangokuthi ukumelana ngevolumu, i-coefficial yokumelana kwevolumu, kubhekiselwa kwinani lokumelana ngokusebenzisa ubukhulu bezinto ezibonakalayo, kuyinkomba ebalulekile yokubonisa izakhiwo zikagesi zezinto zokwakha i-dielectric noma ezifaka ama-infaiting. Kuyinkomba ebalulekile yokubonakalisa izakhiwo zikagesi zezinto zokwakha ezi-dielectric noma zokufaka. Ukumelana ne-1cm2 dielectric kokuvuza kwamanje, iyunithi yi-ω-m noma i-ω-cm. Okukhudlwana ukumelana, okungcono kwezakhiwo ezifakiwe.
Ubufakazi bobuchwepheshe: Waziwa nangokuthi amandla we-handpantle voltage amandla (amandla okufaka), okuphezulu kwe-voltage engezwe emaphethelweni we-colloid, okuthe xaxa okuqukethwe kubhekwe amandla okushayisana, okuphumela ekuphuleni kwe-colloid. Yenza ukwehlukaniswa kwe-insulator kwamandla kagesi aphansi kubizwa ngokuthi yinto ye-voltage ye-breakdown. Yenza u-1 mm uwugqinsi olwenzelwe ukuwohloka kwezinto ezibonakalayo, kudingeka ungeze ama-voltage kilovolts abizwa ngokuthi ama-insuration wokulwa nokulwa namandla okubekezela ama-voltage amandla, okubizwa ngokuthi amandla okumelana, iyunithi yile: kv / mm. Ukufakwa kwezinto zokufakelwa kanye nokushisa okubandakanya ubuhlobo obuseduze. Ukushisa okuphezulu, okubi kakhulu ukusebenza kwezinto zokufakelwa kwezinto ezifakiwe. Ukuze uqinisekise amandla okufakwayo, impahla ngayinye efaka ukufakwayo inokushisa okuphezulu okuvumelekile kokusebenza okuvumelekile, kulolu lokushisa olungezansi, lungasetshenziswa ngokuphepha isikhathi eside, ngaphezu kwalolulitho lokushisa lizoguga ngokushesha.
Ukumuncwa kwamanzi: Kuyisilinganiso sezinga lapho izinto zidonsa amanzi. Kusho ukwanda kwamaphesenti ngobuningi bento egxile emanzini isikhathi esithile sokushisa okuthile.
Amandla asheshayo: Amandla asheshayo ukucindezelwa okuphezulu okuphezulu lapho ijeli yeluliwe. Waziwa nangokuthi ama-Tensile Force, amandla ashubile, amandla ashubile, amandla ashubile. Iyunithi yi-MPA.
Amandla E-Shear: Waziwa nangokuthi amandla okugunda, kusho indawo evusa iyunithi angamelana nomthwalo omkhulu wokufana nendawo ephakeme endaweni yokubopha, iyunithi esetshenziswa kaningi ye-MPA.
Amandla we-PEEC: owaziwa nangokuthi ama-peel mandla, ingabe umonakalo omkhulu womonakalo ngamunye ububanzi beyunithi bungamelana, isilinganiso somugqa wamandla we-FOCH, iyunithi yi-KN / M.
Elongation: Kubhekiswa ku-colloid kumandla ashubile ngaphansi kwesenzo sobude bokwenyuka kobude bamaphesenti.
Ukushisa kwe-Heat Deflection lokushisa: Kubhekiswa esilinganisweni sokuvikelwa kokushisa kwezinto zokwelapha, kuyinto eselulekwe yisikhathi esisetshenziswayo ngohlobo lokushisa lokushisa okulula, okungukuthi, izinga lokushisa le-specimen lokwesekelwa ukuze lifinyelele kunani lokushisa lokushisa, okungu-HDT.
Lokushisa kwengilazi lokushisa: Kubhekiswa kokungokwelashwa okuvela kwifomu lengilazi ku-amorphous noma i-fluid eguqukayo (noma okuphambene noshintsho) lwehla lokushisa elincanyana lokushisa eliphakathi nendawo, elaziwa ngokuthi izinga lokushisa le-glass, kuvame ukuvezwa ku-TG, kuvame ukuvezwa ngokuvimbela ukushisa.
Ukusatshalaliswa kwesabelo: Kuchazwa njengephesenti lesilinganiso se-shrinkage ngosayizi ngaphambi kwe-shrinkage, futhi i-shrinkage ngumehluko phakathi kosayizi ngaphambi nangemva kokuthula.
Ukucindezelwa kwangaphakathi: Kubhekiswa ukungabikho kwamandla angaphandle, i-colloid (impahla) ngenxa yobukhona bezinkinga, izinguquko zokushisa, izixazululo, nezinye izizathu zengcindezi yangaphakathi.
Ukumelana Kwamakhemikhali: Kubhekiswa emandleni okumelana nama-acid, i-alkali, usawoti, izixazululo namanye amakhemikhali.
Ukumelana nelangabi: Kubhekiswa emandleni ezinto ezibonakalayo ukumelana nokuhlangana lapho uxhumana nelangabi noma ukunqabela ukuqhubeka kokuhlanganiswa lapho kude nelangabi.
Ukumelana Nesimo Sezulu: Kubhekiswa ekuchayweni okwenziwe ukukhanya kwelanga, ukushisa kanye nokubanda, umoya kanye nemvula nezinye izimo zezulu.
Ukuguga: Ukwelapha i-colloid ekusebenzeni, ukugcinwa kanye nokusetshenziswa kwenqubo, ngenxa yezici zangaphandle (ukushisa, ukugqama, ukuqhekeka okunamatheksthi, ukuqhekeka okunamakha, ukuqhekeka okunamakha, ukuwohloka komhlaba, ukusebenza kwe-flarking, ukusebenza kokonakala kancane kancane kwezakhiwo zemishini ze Ukulahleka kokulahleka kwe-cha akunakusetshenziswa, le nto ibizwa ngokuthi ukuguga. Into yalolu shintsho ibizwa ngokuthi ukuguga.
Dielectric njalo: Waziwa nangokuthi isilinganiso sama-capacitance, isilinganiso esibangelwa (i-permittivity). Kubhekiswa "kwivolumu" ngayinye "yento ngayinye, engxenyeni ngayinye ye-" Gradienty Engabakhona "kungagcina" amandla kagesi "(Amandla we-Electrostatic) ongakanani. Lapho i-colloid "ivumela" okukhudlwana (okungukuthi, okubi kakhulu), futhi amabili asondelene nomsebenzi wamanje, lapho kufinyelela khona umphumela wokufakelwa okuphelele, ngamanye amagama, amathuba amaningi okukhiqiza izinga elithile lokuvuza. Ngakho-ke, i-dielectric ihlala njalo kwezinto ezifakiwe ngokuvamile, ezincane zibe ngcono. I-dielectric njalo yamanzi ingu-70, umswakama omncane kakhulu, izodala ushintsho olukhulu.
4. Iningi leI-Epoxy Resin AdhesiveIngabe ukunamathela kokushisa ukushisa, kunelezi zici eziphambili ezilandelayo: kuphakama izinga lokushisa ngokushesha kokwelapha; Inani elixubile lokuphulukisa ngokushesha; Inqubo yokulapha inento ekhethekile ye-expenothenkon.
I-Shanghai Orisen New Materiech Technology Co, Ltd
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Isikhathi sePosi: Oct-31-2024