(I) Manufarresin epoxy
Resin Epoxy yana nufin tsarin sarkar polymer wanda ya ƙunshi ƙungiyoyin epoxy guda biyu ko fiye a cikin mahaɗan polymer, yana cikin resin thermosetting, resin wakilin shine resin epoxy na bisphenol A.
(II) Halayen resin epoxy (wanda aka fi sani da resin epoxy na bisphenol A)
1. Darajar aikace-aikacen resin epoxy na mutum ɗaya ba ta da yawa, yana buƙatar a yi amfani da shi tare da maganin warkarwa don samun ƙimar aiki.
2. Ƙarfin haɗin gwiwa mai yawa: ƙarfin haɗin manne na epoxy resin yana kan gaba a cikin manne na roba.
3. Ƙunƙarar curing ƙarami ne, a cikin manne epoxy resin manne shrinkage shine mafi ƙanƙanta, wanda kuma shine manne mai curing manne mafi girma ɗaya daga cikin dalilan.
4. Kyakkyawan juriya ga sinadarai: rukunin ether, zoben benzene da ƙungiyar aliphatic hydroxyl a cikin tsarin warkarwa ba sa lalacewa cikin sauƙi ta hanyar acid da alkali. A cikin ruwan teku, ana iya amfani da man fetur, kananzir, 10% H2SO4, 10% HCl, 10% HAc, 10% NH3, 10% H3PO4 da 30% Na2CO3 na tsawon shekaru biyu; kuma a cikin nutsewar 50% H2SO4 da 10% HNO3 a zafin ɗaki na rabin shekara; nutsewar 10% NaOH (100 ℃) na tsawon wata ɗaya, aikin bai canza ba.
5. Kyakkyawan rufin lantarki: ƙarfin rushewar wutar lantarki na resin epoxy na iya zama fiye da 35kv/mm 6. Kyakkyawan aikin tsari, kwanciyar hankali na girman samfur, juriya mai kyau da ƙarancin shan ruwa. Fa'idodin resin epoxy na Bisphenol A suna da kyau, amma kuma yana da rashin amfaninsa: ①. Danko mai aiki, wanda da alama ba shi da daɗi a cikin ginin ②. Kayan da aka warke yana da rauni, tsayinsa ƙarami ne. ③. Ƙarfin barewa kaɗan ne. ④. Rashin juriya ga girgizar injiniya da zafi.
(III) aikace-aikace da haɓakaresin epoxy
1. Tarihin ci gaban resin epoxy: An yi amfani da resin epoxy don mallakar haƙƙin mallakar Switzerland ta P.Castam a shekarar 1938, Ciba ta ƙirƙiro manne epoxy na farko a shekarar 1946, kuma SOCreentee na Amurka ya ƙirƙiro manne epoxy a shekarar 1949, kuma an fara samar da resin epoxy a masana'antu a shekarar 1958.
2. Amfani da resin epoxy: ① Masana'antar shafa: resin epoxy a masana'antar shafa yana buƙatar mafi yawan adadin shafa mai tushen ruwa, shafa foda da kuma shafa mai ƙarfi ana amfani da su sosai. Ana iya amfani da shi sosai a cikin kwantena na bututun mai, motoci, jiragen ruwa, jiragen sama, kayan lantarki, kayan wasa, sana'o'i da sauran masana'antu. ② Masana'antar lantarki da lantarki: Ana iya amfani da manne na resin epoxy don kayan kariya na lantarki, kamar masu gyara, masu canza wutar lantarki, tukunyar rufewa; rufewa da kariyar abubuwan lantarki; samfuran lantarki, rufi da haɗin gwiwa; rufewa da haɗa batura; capacitors, resistor, inductor, saman mayafin. ③ Kayan ado na zinare, sana'o'i, masana'antar kayan wasanni: ana iya amfani da shi don alamu, kayan ado, alamun kasuwanci, kayan aiki, raket, kayan kamun kifi, kayan wasanni, sana'o'i da sauran kayayyaki. ④ Masana'antar Optoelectronic: ana iya amfani da shi don rufewa, cikawa da haɗa diodes masu fitar da haske (LED), bututun dijital, bututun pixel, nunin lantarki, hasken LED da sauran kayayyaki. ⑤Masana'antar gini: Haka kuma za a yi amfani da shi sosai a hanyoyi, gadoji, bene, tsarin ƙarfe, gini, rufin bango, madatsar ruwa, ginin injiniya, gyaran kayan tarihi na al'adu da sauran masana'antu. ⑥ Manne, manne da filin haɗa abubuwa: kamar ruwan injin turbine na iska, kayan hannu, yumbu, gilashi da sauran nau'ikan haɗin kai tsakanin abubuwa, haɗakar takardar fiber carbon, hatimin kayan lantarki da sauransu.
(IV) Halayenmanne mai resin epoxy
1. Manna na epoxy resin ya dogara ne akan halayen resin epoxy na sake sarrafawa ko gyarawa, don haka sigogin aikin sa sun yi daidai da takamaiman buƙatun, yawanci manne na epoxy resin suma suna buƙatar samun maganin warkarwa don amfani, kuma suna buƙatar a haɗa su daidai gwargwado don a warke gaba ɗaya, manne na epoxy resin wanda aka sani da manne A ko babban wakili, maganin warkarwa wanda aka sani da manne B ko maganin warkarwa (mai taurare).
2. Abubuwan da ke nuna manyan halayen manne na epoxy resin kafin a goge su ne: launi, danko, takamaiman nauyi, rabo, lokacin gel, lokacin da ake da shi, lokacin warkarwa, thixotropy (tsayawa kwarara), tauri, tashin hankali a saman da sauransu. Danko (danko): shine juriyar gogayya ta ciki na colloid a cikin kwararar, ƙimarsa ana ƙaddara ta nau'in abu, zafin jiki, yawan maida hankali da sauran abubuwan.
Lokacin gel: wargaza manne shine tsarin canzawa daga ruwa zuwa tauri, daga farkon amsawar manne zuwa yanayin da ke da mahimmanci na gel yana nufin lokaci mai ƙarfi don lokacin gel, wanda aka ƙayyade ta hanyar haɗa manne na epoxy resin, zafin jiki da sauran abubuwan.
Thixotropy: Wannan halayyar tana nufin colloid da ƙarfin waje (girgizawa, motsawa, girgiza, raƙuman ultrasonic, da sauransu) suka taɓa, tare da ƙarfin waje daga kauri zuwa siriri, lokacin da abubuwan waje ke dakatar da rawar da colloid ke takawa zuwa ga asali lokacin da daidaiton abin ya faru.
Tauri: yana nufin juriyar kayan ga ƙarfin waje kamar su embossing da scratching. Dangane da hanyoyin gwaji daban-daban, taurin Shore (Shore), taurin Brinell (Brinell), taurin Rockwell (Rockwell), taurin Mohs (Mohs), taurin Barcol (Barcol), taurin Vickers (Vichers) da sauransu. Darajar nau'in mai gwajin tauri da tauri da ya shafi mai gwajin tauri da aka saba amfani da shi, Tsarin mai gwajin tauri na Shore yana da sauƙi, ya dace da duba samarwa, Ana iya raba mai gwajin tauri na Shore zuwa nau'in A, nau'in C, nau'in D, nau'in A don auna colloid mai laushi, nau'in C da D don auna colloid mai semi-hard da hard.
Tashin hankali a saman: jan hankalin ƙwayoyin halitta a cikin ruwan ta yadda ƙwayoyin halitta a saman ciki za su sami ƙarfi, wannan ƙarfin yana yin ruwan gwargwadon iyawarsa don rage yankin samansa da samuwar daidai gwargwado ga saman ƙarfin, wanda aka sani da tashin hankali a saman. Ko kuma jan hankali tsakanin sassa biyu maƙwabta na saman ruwan a kowane tsawon raka'a, yana nuna ƙarfin kwayoyin halitta. Naúrar tashin hankali a saman shine N/m. Girman tashin hankali a saman yana da alaƙa da yanayi, tsarki da zafin ruwan.
3. nuna halayenmanne mai resin epoxyBayan warkar da manyan fasaloli sune: juriya, ƙarfin lantarki, shan ruwa, ƙarfin matsi, ƙarfin tensile (tensile), ƙarfin yankewa, ƙarfin barewa, ƙarfin tasiri, zafin rikitar zafi, zafin canjin gilashi, damuwa ta ciki, juriyar sinadarai, tsawaitawa, ƙimar raguwa, ƙarfin thermal, ƙarfin lantarki, yanayin yanayi, juriyar tsufa, da sauransu.
Juriya: Bayyana halayen juriyar abu yawanci tare da juriyar saman ko juriyar girma. Juriyar saman kawai wuri ɗaya ne tsakanin ƙimar juriyar lantarki guda biyu da aka auna, naúrar ita ce Ω. Ana iya ƙididdige siffar lantarki da ƙimar juriya ta hanyar haɗa juriyar saman a kowane yanki naúrar. Juriyar girma, wanda aka fi sani da juriyar girma, ma'aunin juriyar girma, yana nufin ƙimar juriya ta hanyar kauri na kayan, muhimmin ma'auni ne don siffanta halayen lantarki na kayan dielectric ko masu rufi. Ma'auni ne mai mahimmanci don siffanta halayen lantarki na kayan dielectric ko masu rufi. Juriyar dielectric 1cm2 ga kwararar ruwa, naúrar ita ce Ω-m ko Ω-cm. girman juriya, mafi kyawun kaddarorin masu rufi.
Ƙarfin wutar lantarki mai hujja: wanda kuma aka sani da ƙarfin ƙarfin lantarki mai jurewa (ƙarfin rufi), yayin da ƙarfin lantarki ya ƙaru a ƙarshen colloid, mafi girman ƙarfin da ke cikin kayan yana fuskantar ƙarfin filin lantarki, mafi yawan yuwuwar yin karo da ion, wanda ke haifar da rugujewar colloid. Sanya rushewar insulator na mafi ƙarancin ƙarfin lantarki ana kiransa abin da ke haifar da ƙarfin lantarki mai rugujewa. Yi lalata kayan insulator mai kauri 1 mm, buƙatar ƙara kilovolts na wutar lantarki da ake kira ƙarfin ƙarfin lantarki mai jurewa, wanda ake kira ƙarfin lantarki mai jurewa, naúrar ita ce: Kv/mm. rufin kayan insulator da zafin jiki suna da alaƙa ta kud da kud. Mafi girman zafin jiki, mafi muni aikin insulator na kayan insulator. Domin tabbatar da ƙarfin insulator, kowane kayan insulator yana da matsakaicin zafin aiki da aka yarda, a cikin wannan zafin da ke ƙasa, ana iya amfani da shi lafiya na dogon lokaci, fiye da wannan zafin zai tsufa da sauri.
Sha ruwa: Yana auna girman yadda abu ke shan ruwa. Yana nufin karuwar kashi na nauyin wani abu da aka nutsar a cikin ruwa na wani lokaci a wani zafin jiki.
Ƙarfin tauri: Ƙarfin tensile shine matsakaicin matsin lamba lokacin da aka miƙa gel ɗin don karyewa. Hakanan an san shi da ƙarfin tensile, ƙarfin tensile, ƙarfin tensile, ƙarfin tensile. Naúrar ita ce MPa.
Ƙarfin yankewa: wanda kuma aka sani da ƙarfin yankewa, yana nufin yankin haɗin naúrar zai iya jure matsakaicin kaya daidai da yankin haɗin, naúrar da aka saba amfani da ita ta MPa.
Ƙarfin barewa: wanda kuma aka sani da ƙarfin bawon, shine matsakaicin nauyin lalacewa da faɗin kowane naúra zai iya jurewa, ma'auni ne na layin ƙarfin ƙarfin, naúrar ita ce kN / m.
Ƙarawa: yana nufin colloid a cikin ƙarfin tensile a ƙarƙashin aikin tsawon ƙaruwar tsawon asali na kashi.
Zafin juyewar zafi: yana nufin ma'aunin juriyar zafi na kayan warkarwa, samfurin kayan warkarwa ne wanda aka nutsar a cikin wani nau'in hanyar canja wurin zafi mai sanyi wanda ya dace da canja wurin zafi, a cikin nauyin lanƙwasawa mai tsauri na nau'in hasken da aka tallafawa kawai, an auna nakasar lanƙwasa samfurin don isa ga ƙimar da aka ƙayyade na zafin jiki, wato, zafin lanƙwasa zafi, wanda aka kira zafin lanƙwasa zafi, ko HDT.
Zafin canjin gilashi: yana nufin kayan da aka warke daga siffar gilashi zuwa canjin yanayin rashin tsari ko mai laushi ko ruwa (ko akasin canjin) na kunkuntar kewayon zafin jiki na kusan tsakiyar wuri, wanda aka sani da zafin canjin gilashi, wanda yawanci ake bayyana a cikin Tg, alama ce ta juriyar zafi.
Ragewar rabon abinci: an ayyana shi a matsayin kashi na rabon raguwa da girman kafin raguwa, kuma raguwa shine bambanci tsakanin girman kafin da bayan raguwa.
Damuwa ta ciki: yana nufin rashin ƙarfin waje, colloid (abu) saboda kasancewar lahani, canjin zafin jiki, abubuwan narkewa, da sauran dalilai na damuwa ta ciki.
Juriyar Sinadarai: yana nufin ikon jure wa acid, alkalis, gishiri, sinadarai masu narkewa da sauran sinadarai.
Juriyar harshen wuta: yana nufin ikon kayan don tsayayya da ƙonewa lokacin da ya taɓa harshen wuta ko kuma hana ci gaba da ƙonewa lokacin da yake nesa da harshen wuta.
Juriyar yanayi: yana nufin fallasa kayan ga hasken rana, zafi da sanyi, iska da ruwan sama da sauran yanayin yanayi.
Tsufa: warkar da colloid a cikin sarrafawa, adanawa da amfani da tsarin, saboda abubuwan waje (zafi, haske, iskar oxygen, ruwa, haskoki, ƙarfin injiniya da kafofin watsa labarai na sinadarai, da sauransu), jerin canje-canje na zahiri ko na sinadarai, don haka kayan polymer suna haɗuwa da karyewa, fashewa mai mannewa, fashewar launi, ƙuraje masu kauri, alli a saman, ɓarnawar delamination, aikin lalacewar hankali na halayen injiniya na asarar asarar ba za a iya amfani da shi ba, wannan lamari ana kiransa tsufa. Abin da ke faruwa na wannan canji ana kiransa tsufa.
Dielectric constant: wanda kuma aka sani da ƙimar ƙarfin aiki, ƙimar da aka haifar (Permitivity). Yana nufin kowace "ƙaramar naúrar" na abu, a cikin kowace naúrar "m gradient" na iya adana "makamashin lantarki" (Makamashin lantarki) na Nawa ne. Lokacin da "permeability" na colloid ya fi girma (wato, mafi muni ingancin), kuma biyu kusa da aikin wutar lantarki na waya, da wahalar isa ga tasirin cikakken rufi, a wata ma'anar, da yuwuwar samar da wani matakin zubewa. Saboda haka, madaidaitan dielectric na kayan rufi gabaɗaya, ƙarami mafi kyau. Madaidaitan dielectric na ruwa shine 70, ɗan danshi kaɗan, zai haifar da manyan canje-canje.
4. yawancinmanne mai resin epoxymanne ne mai sanya zafi, yana da manyan fasaloli kamar haka: yawan zafin jiki da sauri yake warkewa; yawan gaurayewa da sauri yake warkewa; tsarin warkarwa yana da yanayin exothermic.
Shanghai Orisen New Material Technology Co., Ltd.
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