(I) Pfungwa yeepoxy resin
Epoxy resin inoreva iyo polymer cheni chimiro chine maviri kana anopfuura mapoka epoxy mumakomisheni epolymer, ndeye thermosetting resin, inomiririra resin bisphenol A mhando epoxy resin.
(II) Hunhu hwe epoxy resins (inowanzonzi bisphenol A type epoxy resins)
1. Individual epoxy resin application value yakanyanya kuderera, inoda kushandiswa pamwe chete neanorapa agent kuti ive yakakosha.
2. Kusimba kwepamusoro-soro: simba rekubatanidza epoxy resin adhesive iri mberi kwezvinyorwa zvekugadzira.
3. Kurapa shrinkage idiki, mune adhesive epoxy resin adhesive shrinkage ndiyo diki, inovawo epoxy resin adhesive anorapa adhesive yakakwirira chimwe chezvikonzero.
4. Kuramba kwemakemikari akanaka: boka re ether, benzene ring uye aliphatic hydroxyl boka muhutano hwekugadzirisa haisi nyore kuparadzwa neasidhi uye alkali. Mumvura yegungwa, petroleum, parafini, 10% H2SO4, 10% HCl, 10% HAc, 10% NH3, 10% H3PO4 uye 30% Na2CO3 inogona kushandiswa kwemakore maviri; uye mu50% H2SO4 uye 10% HNO3 kunyudzwa pakamuri tembiricha kwehafu yegore; 10% NaOH (100 ℃) kunyudzwa kwemwedzi mumwe, kuita kunoramba kusingachinji.
5. Yakanakisa kuvharwa kwemagetsi: kuparara kwemagetsi epoxy resin inogona kuva yakakura kudarika 35kv / mm 6. Kushanda kwakanaka kwemaitiro, kugadzikana kwekukura kwechigadzirwa, kumira kwakanaka uye kunyura kwemvura. Bisphenol A-mhando epoxy resin zvakanakira zvakanaka, asi zvakare ine zvayakaipira: ①. Kushanda viscosity, inoratidzika kunge isingaite mukuvaka ②. Yakarapirwa zvinhu i brittle, elongation idiki. ③. Low peel simba. ④. Kusagadzikana kushomeka kune mechanical uye thermal shock.
(III) kushandiswa nekuvandudzwa kweepoxy resin
1. Nhoroondo yebudiriro ye epoxy resin: epoxy resin yakashandisirwa Swiss patent neP.Castam muna 1938, epoxy adhesive yekutanga yakagadzirwa naCiba muna 1946, uye epoxy coating yakagadzirwa neSOCreentee yekuUSA muna 1949, uye kugadzirwa kwemaindasitiri epoxy resin kwakatangwa muna 1958.
2. Kushandiswa kwe epoxy resin: ① Indasitiri yekupfekedza: epoxy resin muindasitiri yekupfekedza inoda huwandu hukuru hwemabhandi emvura, machira ehupfu uye machira akasimba akanyanya kushandiswa zvakanyanya. Inogona kushandiswa zvakanyanya mumidziyo yepombi, mota, ngarava, aerospace, zvemagetsi, matoyi, mhizha uye mamwe maindasitiri. ② indasitiri yemagetsi neyemagetsi: epoxy resin adhesive inogona kushandiswa kune magetsi ekudzivirira zvinhu, senge rectifiers, transformers, yekuisa chisimbiso potting; kuiswa chisimbiso nekudzivirirwa kwezvikamu zvemagetsi; electromechanical zvigadzirwa, insulation uye bonding; kuiswa chisimbiso uye kusungirirwa kwemabhatiri; capacitors, resistors, inductors, pamusoro pejasi. ③ Zvishongo zvegoridhe, mhizha, indasitiri yezvigadzirwa zvemitambo: inogona kushandiswa sezviratidzo, zvishongo, zviratidzo, Hardware, rackets, kubata hove, zvinhu zvemitambo, mhizha uye zvimwe zvigadzirwa. ④ Optoelectronic indasitiri: inogona kushandiswa encapsulation, kuzadza uye bonding yemwenje-emitting diode (LED), dijitari machubhu, pixel machubhu, zvemagetsi kuratidzwa, LED mwenje uye zvimwe zvigadzirwa. ⑤Indasitiri yekuvaka: Ichashandiswawo zvakanyanya mumigwagwa, bhiriji, pasi, simbi chimiro, kuvaka, madziro emadziro, dhamu, kuvaka engineering, kugadzirisa zvisaririra zvetsika uye mamwe maindasitiri. ⑥ Zvinamira, zvisimbiso uye macomposites munda: senge turbine mashizha emhepo, zvigadzirwa zvemaoko, ceramics, girazi uye mamwe marudzi ekubatana pakati pezvinhu, kabhoni fiber sheet inoumbwa, microelectronic zvisimbiso zvichingodaro.
(IV) Hunhu hweepoxy resin adhesive
1. epoxy resin adhesive inobva pane epoxy resin maitiro ekugadzirisa kana kushandura, kuitira kuti maitiro ayo ekushanda aenderane nezvinodiwa zvakananga, kazhinji epoxy resin adhesive inodawo kuva nemishonga inoporesa kuti ishandise, uye inoda kuva. yakasanganiswa zvakafanana kuti irapwe zvizere, kazhinji epoxy resin adhesive inozivikanwa seA glue kana main agent, mushonga unorapa unozivikanwa seB glue kana mushonga unorapa (hardener).
2. kuratidza maitiro makuru epoxy resin adhesive asati apora ndeaya: ruvara, viscosity, chaiyo giravhiti, reshiyo, gel nguva, iripo nguva, kurapa nguva, thixotropy (kumira kuyerera), kuoma, kushushikana kwepamusoro uye zvichingodaro. Viscosity (Viscosity): ndiko kupikisa kwemukati kwecolloid mukuyerera, kukosha kwayo kunotarirwa nemhando yezvinhu, tembiricha, kusungwa uye zvimwe zvinhu.
Gel nguva: kupora kweglue ndiyo nzira yekushandura kubva kumvura kusvika pakusimba, kubva pakutanga kwekuita kweglue kusvika kune yakaoma mamiriro ejeli inotarisana nenguva yakasimba yenguva yegel, iyo inotarirwa nehuwandu hwekusanganiswa kwe epoxy resin. glue, tembiricha uye zvimwe zvinhu.
Thixotropy: Hunhu uhwu hunoreva colloid yakabatwa nemasimba ekunze (kuzununguka, kubvongodza, kudedera, mafungu e ultrasonic, nezvimwewo), nesimba rekunze kubva kune gobvu kusvika kutete, apo zvinhu zvekunze zvinomisa basa recolloid kudzoka kune yekutanga apo. kuwirirana kwechiitiko chacho.
Kuoma: inoreva kushorwa kwechinhu kumasimba ekunze senge embossing uye kukwenya. Zvinoenderana neakasiyana nzira dzekuedza Shore (Shore) kuomarara, Brinell (Brinell) kuomarara, Rockwell (Rockwell) kuomarara, Mohs (Mohs) kuomarara, Barcol (Barcol) kuomarara, Vickers (Vichers) kuomarara zvichingodaro. Kukosha kwekuoma uye kuomarara tester mhando inoenderana neinowanzo shandiswa kuomarara tester, Shore hardness tester chimiro chiri nyore, chakakodzera kuongororwa kwekugadzirwa, Shore kuomarara tester inogona kukamurwa kuita A mhando, C mhando, D mhando, A-mhando yekuyera nyoro. colloid, C uye D-mhando yekuyera semi-yakaoma uye yakaoma colloid.
Surface tension: kukwezva kwemamorekuru mukati memvura kuitira kuti mamorekuru ari pamusoro pemukati ave simba, simba iri rinoita kuti mvura iite zvakanyanya sezvinobvira kuderedza nzvimbo yayo uye kuumbwa kwekuenderana nepamusoro pesimba, inozivikanwa se. kushushikana kwepamusoro. Kana kuti kudhonzerana pakati pezvikamu zviviri zvakabatana zvechiso chemvura pahurefu hweyuniti, chiratidzo chesimba remamorekuru. Iyo unit yekutsikirira kwepamusoro iN/m. Hukuru hwekunetsana kwepamusoro hunoenderana nehunhu, kuchena uye tembiricha yemvura.
3. kuratidza maitiro eepoxy resin adhesivemushure mekurapa iwo makuru maficha ndeaya: kuramba, voltage, kunyudzwa kwemvura, kumanikidza simba, kusimba (tensile) simba, shear simba, svuura simba, simba rekukanganisa, kupisa kwekupisa, kupisa kwegirazi, kushushikana kwemukati, makemikari kuramba, kurebesa, shrinkage coefficient. , thermal conductivity, magetsi conductivity, weathering, kuchembera kuramba, zvichingodaro.
Resistance: Rondedzera maitiro ekupikisa zvinhu anowanzo nekupikisa kwepamusoro kana vhoriyamu kuramba. Surface resistance ingori nzvimbo imwe chete pakati pemaelectrode maviri akayerwa kukosha kwekupikisa, unit iri Ω. Chimiro che electrode uye kukosha kwekupokana kunogona kuverengerwa nekubatanidza iyo yepamusoro resistivity pane imwe unit nzvimbo. Kupokana kwevhoriyamu, inozivikanwawo sevhoriyamu resistivity, vhoriyamu kuramba coefficient, inoreva kukosha kwekupokana kuburikidza neukobvu hwechinhu, chiratidzo chakakosha kuratidza hunhu hwemagetsi e dielectric kana insulating zvinhu. Iyo indekisi yakakosha kuratidza maitiro emagetsi e dielectric kana insulating zvinhu. 1cm2 dielectric kuramba kune leakage ikozvino, unit ndeye Ω-m kana Ω-cm. iyo yakakura iyo resistivity, zviri nani iyo insulating properties.
Uchapupu hwemagetsi: inozivikanwawo seyekumira simba remagetsi (simba rekudzivirira), iyo yakakwira iyo voltage yakawedzerwa kumigumo yecolloid, iyo yakawanda yekuchaja mukati mechinhu ichiiswa pasi pesimba remagetsi emunda, mukana wekuti ionize iko kudhumhana, zvichikonzera kuparara kwe colloid. Ita iyo insulator kuparara kweiyo yakaderera voltage inonzi chinhu cheiyo breakdown voltage. Gadzira 1 mm gobvu insulating zvinhu kuparara, inoda kuwedzera voltage kilovolts inonzi insulating material insulation inomira simba remagetsi, inonzi stand voltage, unit is: Kv/mm. insulating material insulation uye tembiricha zvine hukama hwepedyo. Iyo yakakwira tembiricha, iyo yakanyanya kushata iyo insulation performance ye insulating material. Kuti uve nechokwadi chekusimbisa simba, imwe neimwe insulating zvinhu ine yakakodzera yepamusoro inobvumirwa tembiricha yekushanda, mune ino tembiricha iri pazasi, inogona kushandiswa zvakachengeteka kwenguva yakareba, kupfuura tembiricha iyi ichakurumidza kuchembera.
Kutorwa kwemvura: Chiyero chemwero wekuti chinhu chinotora mvura kusvika papi. Zvinoreva kuwedzera kwehuwandu hwehuwandu hwechinhu chakanyudzwa mumvura kwenguva yakati pane imwe tembiricha.
Kusimba simba: Kusimba kwesimba ndiko kwakanyanya kusimba kushushikana kana gel rakatambanudzwa kuti riputse. Iyo inozivikanwawo se "tensile force", "tensile simba", "tensile simba", "tensile simba". Unit is MPa.
Kuveura simba: inozivikanwawo seshear simba, inoreva iyo unit bonding nzvimbo inogona kumirisana neyakakura mutoro wakafanana nenzvimbo yekubatanidza, inowanzoshandiswa unit yeMPa.
Peel simba: inozivikanwawo sesimba repeel, ndiyo yakanyanya kukuvadza mutoro pachiyero cheyuniti inogona kumira, chiyero chemutsetse wesimba resimba, iyo unit iri kN / m.
Elongation: inoreva colloid musimba rekusimba pasi pekuita kwehurefu hwekuwedzera muhurefu hwepakutanga hwezana.
Heat deflection tembiricha: inoreva chiyero chekudzivirira kupisa kwechinhu chinorapa, imhando yekurapa inonyudzwa murudzi rwe isothermal kupisa svikiro inokodzera kutamisa kupisa, mune yakamira inokotama mutoro weiyo inongo tsigirwa mhando yedanda, yakayera specimen bending deformation kusvika. svika pamutengo wakatarwa wetembiricha, kureva tembiricha yekupisa, inonzi tembiricha yekupisa, kana HDT.
Girazi shanduko yekushisa: inoreva zvinhu zvakaporeswa kubva kugirazi fomu kuenda kune amorphous kana yakanyanya elastic kana fluid mamiriro ekuchinja (kana zvakapesana neshanduko) yeyakatetepa tembiricha renji yeinongedzo yepakati-poindi, inozivikanwa segirazi yekuchinja tembiricha, inowanzo ratidzwa mukati. Tg, chiratidzo chekudzivirira kupisa.
Shrinkage ration: inotsanangurwa seyero yereshiyo ye shrinkage kusvika pakukura kusati kwaita shrinkage, uye shrinkage ndiyo musiyano pakati pehukuru pamberi uye shure kwekuderera.
Kushushikana kwemukati: inoreva kusavapo kwemasimba ekunze, iyo colloid (zvinhu) nekuda kwekuvapo kwekuremara, kushanduka kwekushisa, zvinonyungudutsa, uye zvimwe zvikonzero zvekushushikana kwemukati.
Chemical resistance: inoreva kugona kuramba maasidhi, alkalis, munyu, zvinonyungudutsa uye mamwe makemikari.
Kuramba kwemoto: inoreva kugona kwechinhu kuramba kupisa kana chasangana nemurazvo kana kutadzisa kuenderera mberi kwekupisa kana kure nemurazvo.
Kuramba kwemamiriro ekunze: inoreva kuratidzwa kwezuva, kupisa uye kutonhora, mhepo nemvura uye mamwe mamiriro ekunze.
Kuchembera: kurapa colloid mukugadzirisa, kuchengetedza uye kushandiswa kwemaitiro, nekuda kwezvinhu zvekunze (kupisa, chiedza, okisijeni, mvura, mwaranzi, masimba emagetsi uye makemikari media, nezvimwewo), nhevedzano yekuchinja kwemuviri kana kemikari, kuitira kuti polymer material crosslinking brittle, cracking sticky, discoloration cracking, rough blistering, surface chalking, delamination flaking, kuita kwekudzikira zvishoma nezvishoma kwemechanical properties yekurasikirwa nekurasikirwa kweiyo haigone kushandiswa, chiitiko ichi chinonzi kuchembera. Chiitiko chekuchinja uku kunonzi kuchembera.
Dielectric constant: inozivikanwawo seye capacitance rate, induced rate (Permittivity). Inoreva imwe neimwe "yuniti vhoriyamu" yechinhu, mune yega yega ye "inogoneka gradient" inogona kuchengetedza "electrostatic simba" (Electrostatic Energy) yeMangani. Kana iyo colloid "permeability" yakakura (kureva, iyo yakaipisisa kunaka), uye maviri padyo newaya basa razvino, zvakanyanya kuoma kusvika pamhedzisiro yekuvharira kwakazara, nemamwe mazwi, zvakanyanya mukana wekugadzira imwe dhigirii. leakage. Naizvozvo, iyo dielectric inogadzika ye insulating zvinhu zvakajairika, iyo diki iri nani. Iyo dielectric yenguva dzose yemvura ndeye makumi manomwe, hunyoro hushoma, huchakonzera shanduko huru.
4. vazhinji veepoxy resin adhesivei-adhesive-setting adhesive, ine zvinhu zvikuru zvinotevera: iyo yakakwirira yekushisa inokurumidza kuporesa; huwandu hwakavhenganiswa hwekuwedzera kukurumidza kuporesa; nzira yekurapa ine exothermic phenomenon.
Shanghai Orisen New Material Technology Co., Ltd
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