(I) Ingcamango yokubai-epoxy resin
I-epoxy resin ibhekisa kwisakhiwo se-polymer chain esinamaqela amabini okanye ngaphezulu epoxy kwiikhompawundi ze-polymer, ikwi-thermosetting resin, i-resin emeleyo yi-bisphenol A type epoxy resin.
(II) Iimpawu zee-epoxy resins (ezidla ngokubizwa ngokuba zii-bisphenol A type epoxy resins)
1. Ixabiso lokusetyenziswa kwe-epoxy resin nganye liphantsi kakhulu, kufuneka isetyenziswe kunye ne-ejenti yokuphilisa ukuze ibe nexabiso elisebenzayo.
2. Amandla aphezulu okunamathela: amandla okunamathela e-epoxy resin aphambili kwiiglu zokwenziwa.
3. Ukuncipha kokuqina kuncinci, ukuncitshiswa kwe-epoxy resin adhesive yeyona incinci, nto leyo ekwayi-epoxy resin adhesive adhesive high yenye yezizathu.
4. Ukumelana kakuhle kweekhemikhali: iqela le-ether, i-benzene ring kunye neqela le-aliphatic hydroxyl kwinkqubo yokupholisa azikhukuliswa lula yi-asidi kunye ne-alkali. Kumanzi olwandle, i-petroleum, i-kerosene, i-10% H2SO4, i-10% HCl, i-10% HAc, i-10% NH3, i-10% H3PO4 kunye ne-30% Na2CO3 zingasetyenziswa iminyaka emibini; kwaye kwi-50% H2SO4 kunye ne-10% HNO3 yokuntywiliselwa kubushushu begumbi kangangesiqingatha sonyaka; kwi-10% NaOH (100 ℃) yokuntywiliselwa inyanga enye, ukusebenza akutshintshi.
5. Ubushushu obugqwesileyo bombane: i-voltage yokuqhekeka kwe-epoxy resin inokuba ngaphezulu kwe-35kv/mm 6. Ukusebenza kakuhle kwenkqubo, uzinzo lobungakanani bemveliso, ukumelana okuhle kunye nokufunxwa kwamanzi okuphantsi. Iingenelo ze-epoxy resin yohlobo lweBisphenol A zilungile, kodwa zikwanazo neengxaki zayo: ①. I-viscosity yokusebenza, ebonakala ngathi ayisebenzi kakuhle kulwakhiwo ②. Izinto ezicociweyo ziyaqhekeka, ubude buncinci. ③. Amandla aphantsi okuxobuka. ④. Ukuxhathisa okubi kwi-mechanical kunye ne-thermal shock.
(III) ukusetyenziswa kunye nophuhliso lwei-epoxy resin
1. Imbali yophuhliso lwe-epoxy resin: i-epoxy resin yasetyenziswa kwi-Swiss patent ngu-P.Castam ngo-1938, i-epoxy adhesive yokuqala yaphuhliswa yi-Ciba ngo-1946, kwaye i-epoxy coating yaphuhliswa yi-SOCreentee yase-USA ngo-1949, kwaye imveliso ye-epoxy resin ephucukileyo yaqalwa ngo-1958.
2. Ukusetyenziswa kwe-epoxy resin: ① Ishishini lokugquma: i-epoxy resin kwishishini lokugquma ifuna inani elikhulu leengubo ezisekelwe emanzini, iingubo zomgubo kunye neengubo eziqinileyo zisetyenziswa kakhulu. Ingasetyenziswa kakhulu kwiikhonteyina zepayipi, iimoto, iinqanawa, i-aerospace, i-electronics, iithoyi, imisebenzi yezandla kunye neminye imboni. ② Ishishini lombane kunye nele-elektroniki: i-epoxy resin adhesive ingasetyenziselwa izixhobo zokukhusela umbane, ezifana nee-rectifiers, ii-transformers, ii-sealing potting; ukutywina kunye nokukhusela izinto ze-elektroniki; iimveliso ze-electromechanical, ukugquma kunye nokubopha; ukutywina kunye nokubopha iibhetri; ii-capacitors, ii-resistor, ii-inductors, umphezulu wengubo. ③ Ubucwebe begolide, imisebenzi yezandla, ishishini leempahla zemidlalo: ingasetyenziselwa iimpawu, ubucwebe, iimpawu zorhwebo, i-hardware, ii-rackets, izixhobo zokuloba, iimpahla zemidlalo, imisebenzi yezandla kunye nezinye iimveliso. ④ Ishishini le-Optoelectronic: ingasetyenziselwa ukugquma, ukuzalisa kunye nokubopha ii-diode ezikhupha ukukhanya (i-LED), iityhubhu zedijithali, iityhubhu ze-pixel, iziboniso ze-elektroniki, izibane ze-LED kunye nezinye iimveliso. ⑤Ishishini lokwakha: Liza kusetyenziswa kakhulu kwiindlela, iibhulorho, umgangatho, isakhiwo sentsimbi, ulwakhiwo, udonga olugqunywe ngentsimbi, idama, ulwakhiwo lobunjineli, ukulungiswa kweentsalela zenkcubeko kunye neminye imimandla. ⑥ Izinto zokuncamathelisa, izitywini kunye nentsimi yezinto ezidityanisiweyo: ezifana neebhleyidi zomoya, imisebenzi yezandla, iiseramikhi, iglasi kunye nezinye iintlobo zokubopha phakathi kwezinto, i-carbon fiber sheet composite, ukutywinwa kwezinto ze-microelectronic njalo njalo.
(IV) Iimpawu zeingcina ye-epoxy resin
1. I-epoxy resin adhesive isekelwe kwiimpawu ze-epoxy resin zokuphinda isetyenzwe okanye iguqulwe, ukuze iiparameter zayo zokusebenza zihambelane neemfuno ezithile, ngokuqhelekileyo i-epoxy resin adhesive nayo kufuneka ibe ne-ejenti yokuphilisa ukuze isetyenziswe, kwaye kufuneka ixutywe ngokulinganayo ukuze inyangeke ngokupheleleyo, ngokubanzi i-epoxy resin adhesive eyaziwa ngokuba yi-A glue okanye i-ejenti ephambili, i-ejenti yokuphilisa eyaziwa ngokuba yi-B glue okanye i-ejenti yokuphilisa (i-hardener).
2. Iimpawu eziphambili ezibonisa uphawu lwe-epoxy resin adhesive ngaphambi kokuba inyibilike zezi: umbala, i-viscosity, i-gravity ethile, umlinganiselo, ixesha le-gel, ixesha elifumanekayo, ixesha lokunyibilika, i-thixotropy (ukuhamba kokuyeka), ubulukhuni, uxinzelelo lomphezulu njalo njalo. I-Viscosity (i-Viscosity): kukumelana kwangaphakathi kokungqubana kwe-colloid ekuhambeni, ixabiso layo limiselwa luhlobo lwento, ubushushu, uxinzelelo kunye nezinye izinto.
Ixesha lejeli: ukucocwa kweglue yinkqubo yokuguquka ukusuka kulwelo ukuya ekuqineni, ukususela ekuqaleni kokusabela kweglue ukuya kwimeko ebalulekileyo yegel ithambekele kwixesha eliqinileyo lejeli, elimiselwa bubungakanani bokuxuba iglue ye-epoxy resin, ubushushu kunye nezinye izinto.
Thixotropy: Olu phawu lubhekisa kwi-colloid echukunyiswe ngamandla angaphandle (ukungcangcazela, ukushukumisa, ukungcangcazela, amaza e-ultrasonic, njl.njl.), kunye namandla angaphandle ukusuka kubukhulu ukuya kuncinci, xa izinto zangaphandle zimisa indima ye-colloid ukubuyela kwindawo yokuqala xa ukuhambelana kwento eyenzekayo.
Ukuqina: ibhekisa ekuchaseni kwezinto kumandla angaphandle afana nokugquma nokukrwela. Ngokweendlela ezahlukeneyo zovavanyo ubulukhuni beShore (Shore), ubulukhuni beBrinell (Brinell), ubulukhuni beRockwell (Rockwell), ubulukhuni beMohs (Mohs), ubulukhuni beBarcol (Barcol), ubulukhuni beVickers (Vichers) njalo njalo. Ixabiso lobulukhuni kunye nohlobo lovavanyo lobulukhuni oluhambelana novavanyo lobulukhuni olusetyenziswa rhoqo, isakhiwo sovavanyo lobulukhuni beShore silula, sifanelekile ukuhlolwa kwemveliso, uvavanyo lobulukhuni beShore lunokwahlulwa lube luhlobo lwe-A, uhlobo lwe-C, uhlobo lwe-D, uhlobo lwe-A lokulinganisa i-colloid ethambileyo, uhlobo lwe-C kunye nohlobo lwe-D lokulinganisa i-colloid elukhuni kunye neyomeleleyo.
Uxinzelelo lomphezulu: ukutsala kweemolekyuli ngaphakathi kolwelo ukuze iimolekyuli ezikumphezulu womzimba ongaphakathi zibe ngamandla, la mandla enza ulwelo kangangoko kunokwenzeka ukunciphisa indawo yalo yomphezulu kunye nokwakheka koxinzelelo lomphezulu, okwaziwa ngokuba luxinzelelo lomphezulu. Okanye ukutsalwa phakathi kwamacandelo amabini akufutshane omphezulu wolwelo ngobude beyunithi, lubonakaliso lwamandla emolekyuli. Iyunithi yoxinzelelo lomphezulu yi-N/m. Ubungakanani boxinzelelo lomphezulu bunxulumene nohlobo, ubunyulu kunye nobushushu bolwelo.
3. kubonakalisa iimpawu zeingcina ye-epoxy resinEmva kokunyanga iimpawu eziphambili zezi: ukumelana, i-voltage, ukufunxwa kwamanzi, amandla okucinezela, amandla okutsalwa (ukutsalwa), amandla okucheba, amandla okuxobula, amandla okuchaphazeleka, ubushushu bokujika kobushushu, ubushushu bokutshintsha kweglasi, uxinzelelo lwangaphakathi, ukumelana neekhemikhali, ukunwebeka, i-shrinkage coefficient, i-thermal conductivity, i-electrical conductivity, i-weathering, i-aging resistance, njl.njl.
Ukuchasa: Chaza iimpawu zokuxhathisa izinto ezisetyenziswayo ngokuqhelekileyo ngokuxhathisa umphezulu okanye ukuxhathisa umthamo. Ukuxhathisa umphezulu ngumphezulu ofanayo phakathi kwee-electrode ezimbini ezilinganisiweyo ngexabiso lokuxhathisa, iyunithi yi-Ω. Imilo ye-electrode kunye nexabiso lokuxhathisa zinokubalwa ngokudibanisa ukuxhathisa komphezulu kwindawo nganye yeyunithi. Ukuxhathisa umthamo, okwaziwa ngokuba yi-volume resistivity, i-volume resistivity coefficient, ibhekisa kwixabiso lokuxhathisa ngobukhulu bezinto, sisalathisi esibalulekileyo sokubonakalisa iimpawu zombane zezinto ze-dielectric okanye zokufaka umbane. Sisalathisi esibalulekileyo sokubonakalisa iimpawu zombane zezinto ze-dielectric okanye zokufaka umbane. Ukuxhathisa kwe-dielectric ye-1cm2 kwi-leaking current, iyunithi yi-Ω-m okanye i-Ω-cm. Okukhona ukuxhathisa kukhulu, kokukhona iimpawu zokufunxa zingcono.
Ubungqina be-voltage: ekwaziwa ngokuba ngamandla ombane omelana nokumelana (amandla okuthintela ubushushu), okukhona i-voltage yongezwa kwiziphelo ze-colloid, kokukhona itshaja ephezulu ngaphakathi kwezinto iphantsi kwamandla ombane, kokukhona kunokwenzeka ukuba i-ionize ukungqubana, okubangela ukuqhekeka kwe-colloid. Yenza ukuqhekeka kwe-insulator ye-voltage ephantsi kubizwa ngokuba yinto ye-voltage yokuqhekeka. Yenza ukuqhekeka kwezinto zokuthintela ubushushu obuyi-1 mm ubukhulu, kufuneka wongeze ii-kilovolts ze-voltage ezibizwa ngokuba yi-insulating material insulation stand voltage strength, ezibizwa ngokuba yi-standing voltage, iyunithi yile: Kv/mm. Ukugquma kwezinto zokuthintela ubushushu kunye nobushushu zinolwalamano olusondeleyo. Okukhona ubushushu buphezulu, kokukhona ukusebenza kwe-insulation kwezinto zokuthintela ubushushu kukubi. Ukuze kuqinisekiswe amandla okuthintela ubushushu, into nganye yokuthintela ubushushu inobushushu obuphezulu obuvumelekileyo obusebenzayo, kolu bushushu bungezantsi, bungasetyenziswa ngokukhuselekileyo ixesha elide, ngaphezu kokuba obu bushushu buya kuguga ngokukhawuleza.
Ukufunxwa kwamanzi: Lumlinganiselo wobungakanani bokufunxa amanzi kwezinto. Lubhekisa ekunyukeni kwepesenti yobunzima bento entywilisiweyo emanzini ixesha elithile kubushushu obuthile.
Tensile strength: Amandla okutsalwa koxinzelelo loxinzelelo oluphezulu xa ijeli yoluliwe ukuze iqhekeke. Ikwaziwa nangokuthi amandla okutsalwa koxinzelelo, amandla okutsalwa koxinzelelo, amandla okutsalwa koxinzelelo, amandla okutsalwa koxinzelelo. Iyunithi yi-MPa.
Amandla okucheba: ekwaziwa ngokuba ngamandla okucheba, ibhekisa kwindawo yokubopha iyunithi enokumelana nomthwalo ophezulu ohambelana nendawo yokubopha, iyunithi esetyenziswa rhoqo ye-MPa.
Amandla okuxobula: ekwaziwa ngokuba ngamandla exolo, ngumthwalo omkhulu womonakalo onokumelana nobubanzi beyunithi nganye, ngumlinganiselo womgca wamandla, iyunithi yi-kN / m.
Ukwandiswa: ibhekisa kwi-colloid kumandla okutsalwa phantsi kwesenzo sobude bokwanda kobude bokuqala bepesenti.
Ubushushu bokuphambuka kobushushu: ibhekisa kumlinganiselo wokumelana nobushushu bezinto eziphilisayo, sisampulu sezinto eziphilisayo esintywiliselwa kuhlobo lwendlela yokudlulisa ubushushu e-isothermal efanelekileyo yokudlulisa ubushushu, kumthwalo wokugoba ongashukumiyo wohlobo lwe-beam oluxhaswa ngokulula, ulinganise ukuguquguquka kokugoba kwesampulu ukufikelela kwixabiso elichaziweyo lobushushu, oko kukuthi, ubushushu bokugoba kobushushu, obubizwa ngokuba bubushushu bokugoba kobushushu, okanye i-HDT.
Ubushushu bokutshintsha kweglasi: ibhekisa kwizinto ezicociweyo ukusuka kwimo yeglasi ukuya kwinguquko yesimo esingaguqukiyo okanye esithambileyo kakhulu okanye esimanzi (okanye ngokuchaseneyo notshintsho) loluhlu lobushushu oluncinci lwe-mid-point eqikelelweyo, eyaziwa ngokuba yi-glass transition temperature, edla ngokubonakaliswa kwi-Tg, luphawu lokumelana nobushushu.
Isabelo sokuncipha: ichazwa njengepesenti yomlinganiselo wokuncipha kubungakanani ngaphambi kokuncipha, kwaye ukuncipha ngumahluko phakathi kobungakanani ngaphambi nasemva kokuncipha.
Uxinzelelo lwangaphakathi: ibhekisa ekungabikho kwamandla angaphandle, i-colloid (izinto eziphathekayo) ngenxa yokubakho kweziphene, utshintsho lobushushu, izinyibilikisi, kunye nezinye izizathu zoxinzelelo lwangaphakathi.
Ukumelana neekhemikhali: ibhekisa kubuchule bokumelana nee-asidi, ii-alkali, iityuwa, izinyibilikisi kunye nezinye iikhemikhali.
Ukumelana nelangatye: ibhekisa kubuchule bezinto ezisetyenziswayo ukumelana nokutsha xa zidibene nelangatye okanye ukuthintela ukuqhubeka kokutsha xa zikude nelangatye.
Ukumelana nemozulu: ibhekisa ekuchatshazelweni kwezinto elangeni, kubushushu namakhazeni, emoyeni nasemvuleni nakwezinye iimeko zemozulu.
Ukwaluphala: ukuphilisa i-colloid ekucutshungulweni, ukugcinwa kunye nokusetyenziswa kwenkqubo, ngenxa yezinto zangaphandle (ubushushu, ukukhanya, ioksijini, amanzi, imitha, amandla oomatshini kunye neendaba zeekhemikhali, njl.njl.), uthotho lotshintsho lwendalo okanye lweekhemikhali, ukuze izinto zepolymer ziqhagamshele, ziqhekeke, zinamathele, ziqhekeke, ziqhekeke, ziqhume umphezulu, ziqhekeke, ukusebenza kokuwohloka kancinci kweepropati zoomatshini zokulahleka kokulahleka akunakusetyenziswa, le nto ibizwa ngokuba kukwaluphala. Le nto ibizwa ngokuba kukwaluphala.
I-Dielectric constant: okwaziwa ngokuba yi-capacitance rate, i-induced rate (Permittivity). Ibhekisa "kumthamo weyunithi" nganye yento, kwiyunithi nganye ye-"potential gradient" inokugcina "amandla e-electrostatic" (Amandla e-Electrostatic) ye-How much. Xa i-colloid "permeability" inkulu (oko kukuthi, kokukhona umgangatho usiba mbi), kwaye ezimbini zisondele kumbane wentambo zisebenza, kokukhona kunzima ukufikelela kwisiphumo sokufakelwa ngokupheleleyo, ngamanye amazwi, kokukhona kunokwenzeka ukuba kuveliswe ukuvuza okuthile. Ke ngoko, i-dielectric constant yezinto zokufaka ubushushu ngokubanzi, kokukhona incinci, kokukhona ingcono. I-dielectric constant yamanzi yi-70, ukufuma okuncinci kakhulu, kuya kubangela utshintsho olukhulu.
4. uninzi lweingcina ye-epoxy resinsisincamathelisi sokulungisa ubushushu, sineempawu eziphambili ezilandelayo: okukhona ubushushu buphezulu kokukhona ukunyibilika ngokukhawuleza; ubungakanani obuxutyiweyo kokukhona ukunyibilika ngokukhawuleza; inkqubo yokunyibilika ine-exothermic phenomenon.
I-Shanghai Orisen New Material Technology Co., Ltd
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Ixesha leposi: Oktobha-31-2024