(I) Igitekerezo cyaresin ya epoxy
Resine ya epoxy yerekeza ku miterere y'uruhererekane rwa polimeri irimo amatsinda abiri cyangwa menshi ya epoxy mu bigize polimeri, ikaba iri mu gice cya resine ikoresha thermosetting, resine ihagarariye ni resine ya bisphenol A yo mu bwoko bwa epoxy.
(II) Ibiranga resins za epoxy (ubusanzwe zitwa resins za epoxy zo mu bwoko bwa bisphenol A)
1. Agaciro k'ikoreshwa rya epoxy resin ku giti cyayo ni gato cyane, igomba gukoreshwa hamwe n'icyuma gitanga ubuziranenge kugira ngo igire akamaro kayo.
2. Ingufu nyinshi zo gufatanya: Ingufu zo gufatanya za epoxy resin ni zo ziza ku isonga mu gufatanya kwa sintetike.
3. Gucukura gucukura ni gato, muri kole ya epoxy resin gucukura ni gato, ari na kole ya epoxy resin icukura hejuru imwe mu mpamvu.
4. Ubudahangarwa bwiza mu mikorere y’imiti: itsinda rya ether, impeta ya benzene n’itsinda rya aliphatic hydroxyl mu buryo bwo gucukura ntibishobora kwangirika byoroshye na aside na alkali. Mu mazi yo mu nyanja, peteroli, peteroli, 10% H2SO4, 10% HCl, 10% HAc, 10% NH3, 10% H3PO4 na 30% Na2CO3 bishobora gukoreshwa mu gihe cy’imyaka ibiri; naho mu kwibiza 50% H2SO4 na 10% HNO3 ku bushyuhe bw’icyumba mu gihe cy’igice cy’umwaka; kwibiza 10% NaOH (100 ℃) mu gihe cy’ukwezi kumwe, imikorere ntihinduka.
5. Gukingira neza amashanyarazi: ingufu z'amashanyarazi zigabanuka zishobora kuba zirenze 35kv/mm 6. Imikorere myiza mu gutunganya, ingano y'ibicuruzwa ihamye, ubushobozi bwo guhangana n'amazi make. Ibyiza bya epoxy resin yo mu bwoko bwa Bisphenol A ni byiza, ariko kandi bifite n'ibibi byabyo: ①. Ubukana bw'imikorere, busa nkaho butoroshye mu bwubatsi ②. Ibikoresho byavunitse biracika intege, uburebure ni buto. ③. Uburemere buke bw'igishishwa. ④. Ubudahangarwa buke mu gushyuha kwa mashini n'ubushyuhe.
(III) ikoreshwa n'iterambere ryaresin ya epoxy
1. Amateka y’iterambere rya epoxy resin: epoxy resin yakoreshejwe kuri patenti y’Ubusuwisi na P.Castam mu 1938, kole ya epoxy ya mbere yakozwe na Ciba mu 1946, naho epoxy coating yakozwe na SOCreentee yo muri Amerika mu 1949, kandi umusaruro wa epoxy resin watangiye gukorwa mu nganda mu 1958.
2. Gukoresha epoxy resin: ① Inganda zikora irangi: epoxy resin mu nganda zikora irangi isaba irangi rinini rishingiye ku mazi, irangi rikozwe mu ifu kandi irangi rikomeye rikoreshwa cyane. Ishobora gukoreshwa cyane mu bikoresho by'imiyoboro, imodoka, amato, indege, ibikoresho by'ikoranabuhanga, ibikinisho, ubukorikori n'izindi nganda. ② Inganda zikora amashanyarazi n'ibikoresho by'ikoranabuhanga: epoxy resin kole ishobora gukoreshwa mu bikoresho bikingira amashanyarazi, nk'ibikoresho bihindura imiterere y'amashanyarazi, transformateur, gufunga no kurinda ibice by'ikoranabuhanga; ibikoresho by'amashanyarazi, gukingira no gufatanya; gufunga no gufatanya bateri; capacitors, resistor, inductors, ubuso bw'igitambaro. ③ Imitako ya zahabu, ubukorikori, inganda zikora ibintu bya siporo: irashobora gukoreshwa mu byapa, imitako, ikirango cy'ubucuruzi, ibikoresho, rackets, ibikoresho byo kuroba, ibikoresho bya siporo, ubukorikori n'ibindi bicuruzwa. ④ Inganda zikora optoelectronic: irashobora gukoreshwa mu gufunga, kuzuza no gufatanya diodes zisohora urumuri (LED), imiyoboro ya digitale, imiyoboro ya pixel, ecran electronic, amatara ya LED n'ibindi bicuruzwa. ⑤Inganda z'ubwubatsi: Izakoreshwa cyane mu mihanda, ibiraro, hasi, ibyuma, ubwubatsi, gusiga irangi ku nkuta, urugomero, ubwubatsi bw'ubuhanga, gusana ibisigazwa by'umuco n'izindi nganda. ⑥ Ibikoresho byo gufunga, ibifunga n'ibivangavanze: nk'ibyuma by'umuyaga, ubukorikori, ibumba, ikirahuri n'ubundi bwoko bw'imibanire hagati y'ibintu, ibivanze bya fibre ya karuboni, ibifunga by'ibikoresho bya microelectronic n'ibindi.
(IV) Ibirangakole ya epoxy resin
1. Kole ya epoxy resin ishingiye ku miterere ya epoxy resin yo kongera kuyitunganya cyangwa kuyihindura, ku buryo ibipimo by'imikorere yayo bihuye n'ibisabwa byihariye, ubusanzwe kole ya epoxy resin nayo igomba kugira igikoresho cyo kuyitunganya kugira ngo ikoreshwe, kandi igomba kuvangwa kimwe kugira ngo ivurwe neza, muri rusange kole ya epoxy resin izwi nka kole ya A cyangwa igikoresho cy'ingenzi, igikoresho cyo kuyitunganya kizwi nka kole ya B cyangwa igikoresho cyo kuyitunganya (gukora neza).
2. Ibiranga by'ingenzi bya kole ya epoxy resin mbere yo kuyitunganya ni ibi bikurikira: ibara, ubukana, uburemere bwihariye, igipimo, igihe cya gel, igihe kiboneka, igihe cyo kuyitunganya, thixotropy (guhagarara k'umuvuduko), ubukana, imbaraga z'ubuso n'ibindi. Ubukana (Ubukana): ni ubukana bw'imbere bw'umuvuduko wa koloyide mu muvuduko, agaciro kayo kagenwa n'ubwoko bw'ikintu, ubushyuhe, ubwinshi n'ibindi bintu.
Igihe cya jeli: Gutunganya kole ni inzira yo guhinduka kuva ku mazi kugera ku gukomera, kuva aho kole itangiriye kugera ku mimerere ikomeye ya gel ikunda gukomera mu gihe cya gel, ibyo bikaba bigenwa n'ingano y'imvange ya kole ya epoxy resin, ubushyuhe n'ibindi bintu.
Thixotropi: Iyi miterere yerekeza kuri koloyide ikozweho n'imbaraga zo hanze (gutigita, gukurura, guhindagura, imiraba ya ultrasound, nibindi), hamwe n'imbaraga zo hanze kuva ku bunini kugeza ku buto, igihe ibintu byo hanze bihagarika uruhare rwa koloyide ku nkomoko iyo ibintu bihuye.
Ubukomere: bivuga ku buryo butandukanye bwo kurwanya imbaraga zo hanze nko gushushanya no gushwanyaguza. Dukurikije uburyo butandukanye bwo gupima: Ubukana bwa Shore (Shore), Ubukana bwa Brinell (Brinell), Ubukana bwa Rockwell (Rockwell), Ubukana bwa Mohs (Mohs), Ubukana bwa Barcol (Barcol), Ubukana bwa Vickers (Vichers) n'ibindi. Agaciro k'ubwoko bw'igipimo cy'ubukana n'ubukana kijyanye n'igipimo cy'ubukana gikoreshwa cyane, imiterere y'igipimo cy'ubukana cya Shore ni yoroshye, ikwiriye igenzura ry'umusaruro, Igipimo cy'ubukana cya Shore gishobora kugabanywamo ubwoko bwa A, ubwoko bwa C, ubwoko bwa D, ubwoko bwa A bwo gupima colloid yoroshye, ubwoko bwa C na D bwo gupima colloid yoroshye.
Ubushyuhe bw'ubuso: gukurura kwa molekile ziri mu mazi ku buryo molekile ziri ku buso bw'imbere ziba imbaraga, iyi mbaraga ituma amazi arushaho kugabanuka kugira ngo agabanye ubuso bwayo n'ishyirwaho ry'ubuso bw'imbaraga, buzwi nka tension y'ubuso. Cyangwa connection hagati y'ibice bibiri byegeranye by'ubuso bw'amazi kuri buri gice cy'uburebure, ni ikimenyetso cy'imbaraga za molekile. Unit y'tension y'ubuso ni N/m. Ingano y'tension y'ubuso ifitanye isano n'imiterere, ubuziranenge n'ubushyuhe bw'amazi.
3. kugaragaza imiterere yakole ya epoxy resinNyuma yo gushya, ibintu by'ingenzi ni: ubushobozi bwo guhangana n'ingufu, ingufu z'amashanyarazi, ubushobozi bwo gufata amazi, imbaraga zo gukanda, imbaraga zo gukata (gukata), imbaraga zo gukata, imbaraga zo gukata, imbaraga zo gukurura, ubushyuhe bwo guhindura ubushyuhe, ubushyuhe bw'impinduka mu kirahure, imbaraga z'imbere mu kirahure, imbaraga zo kurwanya imiti, kurekura, ubushobozi bwo gushonga, ubushobozi bwo gutwara ubushyuhe, ubushobozi bwo gutwara amashanyarazi, ubushobozi bwo kuzamuka, imbaraga zo gusaza, n'ibindi.
Ubudahangarwa: Sobanura imiterere y’ubudahangarwa bw’ibikoresho ubusanzwe hamwe n’ubudahangarwa bw’ubuso cyangwa ubudahangarwa bw’ingano. Ubudahangarwa bw’ubuso ni ubuso bumwe hagati ya electrode ebyiri zapimwe agaciro k’ubudahangarwa, igice ni Ω. Imiterere ya electrode n’agaciro k’ubudahangarwa bishobora kubarwa hahujwe ubudahangarwa bw’ubuso kuri buri gice. Ubudahangarwa bw’ingano, buzwi kandi nka ubudahangarwa bw’ingano, igipimo cyo kudahangarwa cy’ingano, bivuga agaciro k’ubudahangarwa binyuze mu bunini bw’ibikoresho, ni ikimenyetso cy’ingenzi cyo kugaragaza imiterere y’amashanyarazi y’ibikoresho bya dielectric cyangwa ibika umuriro. Ni igipimo cy’ingenzi cyo kugaragaza imiterere y’amashanyarazi y’ibikoresho bya dielectric cyangwa ibika umuriro. Ubudahangarwa bwa dielectric bwa 1cm2 ku muyoboro w’amazi usohoka, igice ni Ω-m cyangwa Ω-cm. Uko ubudahangarwa bungana, ni ko imiterere y’ubudahangarwa iba myiza.
Umuvuduko w'amashanyarazi: izwi kandi nka imbaraga z'amashanyarazi yo guhangana (imbaraga z'ubwishingizi), uko ingufu z'amashanyarazi zongerwa ku mpera za colloid ziyongera, niko ingufu z'amashanyarazi ziyongera mu bikoresho, niko bishobora gutuma habaho ioni, bigatera kwangirika kwa colloid. Gukora ihindagurika ry'amashanyarazi yo hagati y'amashanyarazi n'amashanyarazi make byitwa ikintu cy'amashanyarazi yo guhangana. Gukora ihindagurika ry'ibikoresho by'ubwishingizi bifite ubugari bwa mm 1, hakenewe kongeramo kilovolti z'amashanyarazi zitwa insulation material insulation standing voltage strength, byitwa voltage yo guhangana, igice ni: Kv/mm. insulation material insulation n'ubushyuhe bifite isano ya hafi. Uko ubushyuhe bwiyongera, niko imikorere y'ubwishingizi bw'ibikoresho by'ubwishingizi irushaho kuba mibi. Kugira ngo hamenyekane imbaraga z'ubwishingizi, buri gikoresho cy'ubwishingizi gifite ubushyuhe bukwiye bwo gukora, muri ubu bushyuhe buri hasi, gishobora gukoreshwa mu mutekano igihe kirekire, ubu bushyuhe burenze ubwo buzasaza vuba.
Kunywa amazi: Ni igipimo cy'uburyo ikintu cyinjiza amazi. Bivuga ukwiyongera kw'ijanisha ry'uburemere bw'ikintu cyinjijwe mu mazi mu gihe runaka ku bushyuhe runaka.
Imbaraga zo gukurura: Ingufu zo gukurura ni imbaraga zo gukurura cyane iyo gel irambuwe kugira ngo ivunike. Izwi kandi nka imbaraga zo gukurura, imbaraga zo gukurura, imbaraga zo gukurura, imbaraga zo gukurura. Igice ni MPa.
Ingufu zo gukata: izwi kandi nka shear strength, yerekeza ku gice gihuza ibyuma gishobora kwihanganira umutwaro ntarengwa ujyanye n'igice gihuza ibyuma, igice gisanzwe gikoreshwa cya MPa.
Imbaraga zo gukata: izwi kandi nk'imbaraga z'igishishwa, ni umutwaro ntarengwa w'ibyangiritse kuri buri gice cy'ubugari ushobora kwihanganira, ni igipimo cy'umurongo w'ubushobozi bw'ingufu, igice ni kN / m.
Kurekura: yerekeza kuri koloyide iri mu mbaraga zo gukurura munsi y'imikorere y'uburebure bw'ubwiyongere bw'uburebure bw'umwimerere bw'ijanisha.
Ubushyuhe bwo guhindura ubushyuhe: bivuga igipimo cy’ubushyuhe burwanya ubushyuhe bw’ibikoresho bivura, ni icyitegererezo cy’ibikoresho bivura cyinjijwe mu bwoko bw’uburyo bwo kohereza ubushyuhe bunyuramo bukwiriye kohereza ubushyuhe, mu mutwaro wo gupfunyika utaziguye w’ubwoko bw’umuraba ushyigikiwe, cyapimye imiterere yo gupfunyika kugira ngo kigere ku gaciro kagenwe k’ubushyuhe, ni ukuvuga ubushyuhe bwo gupfunyika, bwitwa ubushyuhe bwo gupfunyika ubushyuhe, cyangwa HDT.
Ubushyuhe bw'impinduka mu kirahure: yerekeza ku bikoresho byavunitse kuva ku ishusho y'ikirahure kugeza ku mpinduka idahinduka cyangwa ihindagurika cyane cyangwa ihindagurika ry'amazi (cyangwa ibinyuranye n'impinduka) y'ubushyuhe buto bw'igice cyo hagati, kizwi nka ubushyuhe bw'impinduka y'ikirahure, ubusanzwe bugaragazwa muri Tg, ni ikimenyetso cy'ubudahangarwa bw'ubushyuhe.
Igipimo cyo kugabanya: bisobanurwa nk'ijanisha ry'ikigereranyo cyo kugabanuka ku bunini mbere yo kugabanuka, naho kugabanuka ni itandukaniro riri hagati y'ingano mbere na nyuma yo kugabanuka.
Imihangayiko y'imbere mu mutima: bivuga kutagira imbaraga zo hanze, koloyide (ibikoresho) bitewe no kuba hari inenge, impinduka z'ubushyuhe, ibintu bishongesha, n'izindi mpamvu zitera stress imbere.
Ubudahangarwa bw'imiti: yerekeza ku bushobozi bwo kurwanya aside, alkali, umunyu, ibinyabutabire n'ibindi binyabutabire.
Ubudahangarwa bw'umuriro: yerekeza ku bushobozi bw'ibikoresho bwo kurwanya umuriro iyo bihuye n'umuriro cyangwa kubuza umuriro gukomeza iyo biri kure y'umuriro.
Ubudahangarwa bw'ikirere: bivuga ku bintu bihura n'izuba, ubushyuhe n'ubukonje, umuyaga n'imvura n'ibindi birere.
Gusaza: Gukiza koloyide mu gutunganya, kubika no gukoresha inzira, bitewe n'ibintu byo hanze (ubushyuhe, urumuri, ogisijeni, amazi, imirasire, imbaraga za mekanike n'ibindi), urukurikirane rw'impinduka zifatika cyangwa za shimi, ku buryo ibikoresho bya polymer bihuza bikagorana, bigacika, bigahinduka ibara, bigacika udusebe, gushonga kw'ubuso, gucika uduce duto, imikorere yo kwangirika buhoro buhoro kw'imiterere ya mekanike yo gutakaza igihombo cya. Iki kintu cyitwa gusaza. Iki kintu cy'iyi mpinduka cyitwa gusaza.
Dielectrical constant: izwi kandi nka capacitance rate, induced rate (Permittivity). Bivuga kuri buri "bipimo by'igice" cy'ikintu, muri buri gice cy' "ubushobozi bwo gushyiramo" bishobora kuzigama "ingufu za electrostatic" (Ingufu za Electrostatic) z'ingano. Iyo "permeability" ya colloid ari nini (ni ukuvuga uko ubuziranenge buba bubi), kandi ebyiri zegereye umuyoboro w'insinga zikora, niko bigorana kugera ku ngaruka z'ubushyuhe bwuzuye, mu yandi magambo, niko bishoboka ko habaho kugabanuka k'amazi. Kubwibyo, dielectric constant y'ibikoresho bikingira muri rusange, niko bito birushaho kuba byiza. Dielectric constant y'amazi ni 70, ubushuhe buke cyane, bizatera impinduka zikomeye.
4. igice kinini cyakole ya epoxy resinni kole ifata ubushyuhe, ifite ibi bikurikira by'ingenzi: uko ubushyuhe bwiyongera niko ifata vuba; ingano ivanze niko ifata vuba; inzira yo gufata ifite ingaruka zo mu kirere.
Shanghai Orisen New Material Technology Co., Ltd
M: +86 18683776368 (na WhatsApp)
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Email: grahamjin@jhcomposites.com
Aderesi: NO.398 Umuhanda Mushya w'Ikinyomoro Umujyi wa Xinbang Akarere ka Songjiang, Shanghai
Igihe cyo kohereza: Ukwakira-31-2024