Yadda soke da epoxy guduro? Aiki tare da epoxy guduro

The kalmar "epoxy" da aka sani ga kusan kowa da kowa. Amma da epoxy guduro, wanda aikace-aikace ne quite na kowa a yau, shi ne wani nau'i ne na roba guduro. Yana bayyana a cikin 50s. da karni da kuma nan da nan tsiwirwirinsu shahararsa godiya ta zuwa ga m Properties.

Yau, epoxy resins an yi amfani da masana'antu samar da iyali. Zai yiwu aikace-aikace an kullum fadada saboda ci gaban formulations tare da inganta halaye.

description Epoxy

Bisa ga sinadaran abun da ke ciki na epoxy guduro - wani roba fili oligomeric. Wadannan kayan su ne a bukatar a kusan dukkan duniyoyin da masana'antu. The free form epoxy aka yi amfani da, amma a tare da tare da magance wakili shi iya tabbatar da musamman Properties bayan Polymerization dauki. Idan epoxy guduro magance jamiái to connect with, shi zai iya faruwa:

• tukuru, m kayan.
• Soft kuma m kayayyakin.
• roba-kamar kayan.

Epoxy resins ne resistant zuwa da wadannan abubuwa:

• halogens.
• acid.
• alkalis.

Duk da haka, aka rushe ta auku a cikin esters da acetone ba tare da film samuwar. Bayan curing da epoxy guduro abun da ke ciki ba emit ta volatiles da shrinkage ne negligible.

Musamman epoxy guduro kiwo

Idan kana tunani game da yadda za ta soke da epoxy, ya kamata ka san cewa rashin ko wuce haddi na curing wakili a cikin abun da ke ciki na iya adversely shafi ingancin da polymer, yayin da sauran resistant zuwa zafi, amma da ƙarfi an rage, da ikon counteract da sinadarai da kuma ruwa suna da ceto . Idan hardener aka kara a kasa adadin, da labarin na iya zama m saboda da bukatuwa izuwa guduro.

Kafin tsarma da epoxy guduro, shi wajibi ne mu fahimci cewa wuce haddi free hardener aka saki a cikin polymer surface lokacin aiki. Domin daban-daban mahadi curable bangaren kuma guduro ana amfani da daban-daban rabbai, wannan za a iya samu a cikin manual. Idan ya zo ga zamani mahadi, rabo ne da aka fi kamar haka: 1 zuwa 2 ko 1: 1.

Yabo don kiwo na epoxy guduro

Don kwanan wata, an yi imani da cewa idan ta amfani da hardener a juz'i na fiye da na kullum dauki Polymerization auku sauri. Wannan tunanin za a iya daukan m. A mafi sauki hanyar bugun sama da tsari ne don kara yawan zafin jiki na dauki cakuda.

Idan kana so ka bugun sama da tsari sau uku, da yawan zafin jiki ya kamata a karu zuwa 10 ° C. Idan ka tada tambaya na yadda za a soke da epoxy, ya kamata ka san cewa a yau an san sana'a mahadi, wanda qagaggun dauke da magance accelerators. Yana za a iya samu a sayarwa, da kuma epoxy mahadi da cewa solidify a low zazzabi. Rubuta curing wakili da kuma yawan zafin jiki daga cikin cakuda yi kamar yadda babban abubuwan da zai shafi cikin kudi na Polymerization.

Ingarma epoxy guduro: qagaggun tare da daban-daban Polymerization zazzabi

A epoxy guduro iya warke a zazzabi jere daga -10 zuwa +200 ° C, shi zai dogara ne a kan iri-iri amfani da abun da ke ciki. Don kwanan wata, da aka sani resins domin zafi da sanyi magance. Cold irin hardener da epoxy guduro mafi yawan amfani a cikin rayuwar yau da kullum. Don hadu da irin wannan abun da ke ciki na iya zama a cikin yanayi na yi da kuma low ikon, da kuma inda zafi magani ne unacceptable.

Don samun high ƙarfi kayayyakin to za su iya jure high lodi da yanayin zafi, kazalika da daukan hotuna zuwa sunadarai, ana amfani da zafi magance irin bangaren. m raga kwayoyin kafa a lokacin zafi Polymerization. Har ila yau, akwai qagaggun da su oxides wanda suke iya polymerize a teku ruwa da kuma a cikin m yanayi.

fanni na aikace-aikace

Epoxy kayan rarraba a yau, a duniya, da suka da aka sani tun tsakiyar karni na karshe. A yanayi na yin amfani da wadannan kayan a 'yan shekarun nan ya halartar gagarumin canje-canje, amma yin amfani da shi ne na gargajiya da dama yankunan, daga gare su:

• impregnated gilashi fiber da kuma gilashin fiber.
• shafi na waterproofing.
• halittar sunadarai-resistant coatings.
• samar da m m abu don fiberglass kayayyakin.

Epoxy guduro, da yin amfani da abin da yake a yanzu quite na kowa, za su iya aiki a matsayin impregnating wakili don bonding aka gyara a cikin lantarki, da mota, jirgin sama filayen, Electronics da masana'antu. A wannan yanayin, da abun da ke ciki amfani da a samar da fiberglass a inji aikin injiniya da kuma Shipbuilding, yi, gyara bitar yanayin da mota jiki abubuwa da jirgin ruwan hulls.

Aiki tare da epoxy guduro ne da za'ayi inda akwai bukatar for hatimi ganuwar da benaye basements kuma waha. Amfani iya sanya na epoxy guduro kayan da Paints ga waje da kuma ciki ado na gine-gine, kazalika da impregnation, wanda zai samar da waterproofing porous kayan da su ƙãra ƙarfin, su ya kamata a kasaftawa tsakanin itace da kankare.

domin rikodin

A epoxy guduro iya samar da tushen m m kaya, wanda aka yi da Fitar cikin wani mold. A na gaba mataki na samfurin sarrafa ta inji hanya, kamar: nika da sabon. Amfani ga fiberglass kayayyakin a cikin zane ayyukansu, da lantarki a masana'antu, yi da iyalinsa.

Aiki tare da epoxy: surface shiri

Aiki tare da epoxy ya shafi bukatar surface shiri kafin aikace-aikace na abun da ke ciki. Kawai sai za a iya cimma high mannewa. Saboda haka, kafin ta soke da epoxy guduro, da farko shirya surface. Don fara wani tushe degreasing. A surface ya kamata ba burbushi na man fetur da kuma man shafawa. A surface an tsabtace ta amfani da sauran ƙarfi, ko abu don wanka tasiri. Yana da muhimmanci a tabbatar babu mai sheki.

A babba Layer aka cire ta nika. Kananan saman ya kamata a shirya ta hannu, yi amfani da sandpaper ya zama wannan. Tsawwala a kan tushe yanki abar kulawa nika na'ura, da kuma sakamakonsa na ƙura ya kamata a cire tare da wani injin tsabtace gida. Lokacin da Manufacturing fiberglass ko layering epoxy kai-leveling benaye, varnishes da paints kowace m shafi dole ne a yi amfani da su cikakken ƙarfafa, har yanzu m baya Layer.

Idan fasaha da kuma bukatun su ƙãre samfurin yarda, da ƙananan Layer, wanda abubuwa a matsayin substrate, dole ne kananan sulusi da murabba'i yafa masa yashi. Bayan curing haddi yashi za bukatar cire da kuma amfani da wani sabon Layer na epoxy.

Yi manyan adadin epoxy guduro

Idan ba ka san takamaiman kaddarorin da epoxy guduro, sa'an nan za ka iya haɗu da matsaloli a cikin yi na kayan a girma. Tare da kara girma epoxy, babban adadin zafi. Tafasasshen guduro kumfa zai zama maras ban sha'awa fari. Wannan abun da ke ciki ba za a dauke dace da amfani. diluents da kaushi iya kara don rage danko da guduro. Har ma da kananan yawa zai iya haifar da wani karu a ƙarfi da zafi juriya da samfurin. A sakamako zama exudation na diluent daga polymer, wadda take kaiwa zuwa ƙasƙanci daga cikin kayan.

Epoxy resins da kuma magance jamiái ba dauke da ruwa. Idan wannan ya faru, to, da abun da ke ciki zama turbid kuma hasarar da kaddarorin. Yau saki waterborne epoxy. Irin wannan qagaggun suna bred da distilled ruwa a cimma watsawa. Epoxy guduro ya kamata a gauraye da wani plasticizer. A sakamakon cakuda da aka sannu a hankali warmed gaskiya ne a lokacin da yin amfani da DBP. A da ake ji DEG-1 abun da ke ciki ya kamata a gauraye.

Domin sosai hadawa da ya kamata a yi amfani da rawar soja na musamman bututun ƙarfe yi ko wani mahautsini. A rabbai na guduro kuma plasticizer aka zaba dangane da ake bukata ductility, amma mafi sau da yawa da rabo daga plasticizer jeri daga 5 zuwa 10%. A cakuda da aka kara wa hardener. A guduro an sanyaya zuwa +30 ° C, su hana tafasar. Standard rabo daga cikin guduro tare da hardener bayyana a matsayin 1 ga 10. Don cimma uniform rushe hardener kamata a tabbatar da hadawa. In ba haka ba, da abun da ke ciki za su iri-irin, kuma daga baya za su gumi.

guduro Crafts

Popular sau da yawa Masters aiki articles daga epoxy resins. Wadannan ayyuka suna tare da wasu matsaloli. A samfurin ya kamata da m cikinta ya zama babu iska kumfa. A thicker kuma curing surface ya zama uniform. Idan kauri ne a kan 2 mm, da kayan da aka yi amfani da bayan da farko yadudduka na Polymerization. A guduro za a iya zuba a cikin siffofin. Don da samfurin da aka raba, nau'i smeared da man fetur jelly ko man shafawa.

Fenti ga epoxy guduro zai sa samfurin launi. Bayan kammala samfurin da aka kiyaye a zazzabi dan kadan sama dakin da zazzabi. Bayan 3 chasa zo primary Polymerization magance kafin detachment, bayan da samfurin yana zuwa da za a warmed a gaggauta magance tsari ga 6 hours. Idan ka shawarta zaka yi crafts sanya na epoxy guduro, sa'an nan, shi ba zai iya yin amfani da musamman hukuma tanda.

A dakin da zazzabi da Polymerization zai šauki makonni 2. Idan da sinadaran kara triethylenetetramine, da farfajiya ta iya zama m. Jefa samfurin a nan gaba dole ne machined. Epoxy guduro m samarwa ba kamar yadda ya dace ga Jefo m kayayyakin, domin shi ne daban-daban magance m kauri.

Yin launi epoxy guduro

Rina ga epoxy guduro zai samar da gida abun da ke ciki, fentin a wani takamaiman launi. Domin tabbatar da wani uniform rarraba da pigment masana'antun amfani da dubun surfactants. Pigmentation iya rage da nuna gaskiya da guduro, wani lokacin shi ya musanya launi, farar duhu. Ƙara pigment ga mai kara kuzari kamata a da za'ayi amma bayan Bugu da kari na da kakin zuma.

Fasaha halaye na epoxy guduro abun da ke ciki na Example lamba Ed-20

Epoxy guduro, da halaye na wanda za a jera a kasa, wakiltar wani zuma-kamar yellowish ruwa wanda aka readily canza launin. Yawa a 20 ° C na yanayi ne mai iyaka 1,16-1,25 kg / m ^3. Tensile ƙarfi ne 40-90 MPa. Flexural ƙarfi daidai 80-140 MPa. Compressive ƙarfi ne 100-200 MPa.

A Polymerization zafin jiki ne 20 ° C da ke sama. Idan kana sha'awar a cikin epoxy guduro, rabbai daga cikin cakuda lokacin da a hade tare da hardener kamata da ban sha'awa. A karshen dole ne a yi amfani a cikin adadin 7 sassa, yayin da guduro aka kara a cikin wani adadin 1 part. A Polymerization lokaci ne 1.5 hours abun da ke ciki. Ruwa sha bayan 24 hours ne daidaita da iyaka da 0.01-0.1%. Zafi juriya jeri daga 55 zuwa 170 ° C. Impact ƙarfi ne 5-25 KJ / m ^2.

Key Properties na epoxy guduro

Kafin mu magance tambaya na inda saya epoxy, ya kamata ka san ta asali Properties. Daga cikin sauran kamata ware low jure fatattaka, kazalika da mafi yawan guba gwaji kamar yadda idan aka kwatanta da acrylic resins. The kaddarorin da epoxy guduro nuna cewa abun da ke ciki na da babban danko, ya kamata a yi amfani da tare da tare da kaushi. cakuda iya zama mai tsanani, ko ƙara sauran ƙarfi su runtse da danko da guduro. A lokuta biyu, da guduro zai zama mafi m. Yana iya amfani da buroshi ko nadi, shi da sauri ciki ga fiberglass da kuma shiga cikin porous surface kamar itace.

ƙarshe

Popular sau da yawa, masu amfani da ake yi mamaki game da inda saya da epoxy guduro. Yau, da wannan abu yayi wani iri-iri na kamfanoni, da sauransu, ya kamata a yi kumshin babban kanti "Carbo" wanda aka located in Moscow a Volgograd prospectus, 42.