Cyanoacrylate manne. Description, abun da ke ciki, da yin amfani da

A halin yanzu, babu wanda aka yi mamakin irin wannan hanyar a matsayin na biyu cyanoacrylate manne, mafi sani ga abokan ciniki a matsayin superglue. Wadannan kayan aikin aka yi amfani ga sauki da kuma azumi dangane daban-daban na kayan (karfe, itace, gilashin, roba da sauransu).

A kadan tarihi

cyanoacrylate m aka kafa a lokacin yakin duniya na biyu, da American masanin kimiyya Garri Kuverom. Ya yi aiki a Eastman kodak Company domin samar da kyamarori. A wartime, wani masanin kimiyya tsunduma a cikin ci gaban da hujjõji roba, wanda za a iya amfani da a Tantancewar gani. A sakamakon kayan da aka ba su dace domin aikin. Yana da alaka da canji a cikin Properties lokacin da danshi: dũkiyar zama m.

Sai da bayan fiye da shekaru goma Coover gane abu da ya halitta zai iya amfana mutane. Da farko, an yi amfani da a rufe kan rauni a lokacin da Vietnam War.

A shekara daga baya, a cyanoacrylate m an gabatar ga 'yan Adam. Tun daga nan, ya zauna a bukatar tsakanin masu saye.

Chemical aiwatar gefen

Babban bangaren manne - Cyanoacrylate, Ina nufin cyanoacrylic acid ester. Its adadin iya isa 90-99% na jimlar abun da ke ciki.

Don da ester plasticizers suna kara da cewa (har zuwa 10%), thickening jamiái, dattako, activators. An muhimmanci alama ne cewa m ba ya dauke da kaushi.

gluing tsari dogara ne a kan cyanoacrylate anionic Polymerization dauki tare da weakly alkaline wakili (yawanci ruwa). Lokacin da wani bakin ciki Layer na manne (har zuwa 1 mm), danshi a cikin iska da kuma a kan bonded saman, shi ne isa ga dauki. Ƙarƙashin rinjayar danshi stabilizer located in m tsãgewar ƙwãyar. Wannan ya ba da farko na Polymerization dauki tsakanin saman.

Ganiya yanayi ne dakin da zazzabi da kuma 40-60% zafi. A karkashin wadannan yanayi, da mafi kyau sakamakon da aka samu, wanda zai iya bayar da wani cyanoacrylate m. Aikace-aikace na nufin a ƙananan zafi ya kunsa da karuwa a cikin bushewa lokaci. Higher zafi zai rage ingancin gluing, karfin rage-rage.

key Properties

Cyanoacrylate m (price cikin 500 rubles da 50 grams) - a colorless abu da suma wari, wanda vuya bayan bushewa. Yana yana da wadannan bayanan fasaha:

• Ya kunshi gaba ɗaya na daskararru.

• Ba tare da sauran ƙarfi.

• Danko ne kamar 1.5 dubbai CPS.

Babban kaddarorin da bushe m:

• Resistant zuwa high yanayin zafi (tsawon lokaci dumama zuwa 80 digiri ko 100 digiri takaice).

• Tsayayya low yanayin zafi (debe 20 digiri). A ƙananan yanayin zafi da tensile ƙarfin rage-rage.

• An adana niyyar baftisma cikin ruwa, domin da yawa makonni.

• Resistant zuwa kaushi (acetone, barasa, ma'adinai da man fetur, fetur, motor man) da kuma sunadarai. A cikin mannewa ƙarfi daga wani alkaline shafi.

• Riqe kaya na 150-250 kg / cm ^3.

fanni na aikace-aikace

Cyanoacrylate manne da aka fi amfani da domin saurin dangane nonporous kayan don hawa abubuwa na rediyo kayan aiki, roba sealants a window (dari) bude, hawa kwakwalwan kwamfuta, allon kayan wutan, harnesses, mutum nodes a kayan sassa.

Wata irin "superglue", octyl-2-cyanoacrylate, saboda da rapidity na saitin da kuma kadan yawan guba da ake amfani a tiyata don hana zub da jini da kuma gluing raunuka. Kwanan nan, ya zama zai yiwu a yi amfani da manne ga samu karaya.

A iyali amfani superglue ga ciko gidajen abinci da kuma fasa. Don wannan karshen, shi ne a hade tare da yin burodi soda. A sakamakon cakuda taurare sosai da sauri da kuma kama roba.

Cyanoacrylate manne za a iya daukan a duniya magani. Ana amfani da a duk yankuna na magani, da samar da kayan wasa, da jirgin sama, mota, toys, kayan ado, takalma, tsafta ware, talla da masana'antu da kuma da yawa wasu.

da yin amfani da

Bonding saman dole ne free daga turɓãya, tsatsa da kuma man stains. Yana nufin dole ne a dakin da zazzabi na dare. Za ka iya sa'an nan kuma amfani da wani cyanoacrylate manne. A activator iya da ake bukata a game da yanayin unfavorable, ya rufe manyan gibba. Ana iya amfani da har da m (shafi a daya surface) ne, kuma bayan (fesa m).

A daya surface na amfani m, a qananan yawa. Domin samun tsabta Layer za a iya amfani da wani roba spatula. A kan manyan yankunan da manne amfani saukad. Bugu da ari, surface da alaka tam matsa.

Manne taurare a dakin da zazzabi. A 20 digiri Celsius, yana daukan kawai 'yan mintoci. Wannan tsari za a iya kara idan akwai danshi gam saman.

"Ka kãma" da manne kawai kamar wata seconds. Cikakken m tauri, a kan dare a 20 darajõji, kuma zumunta zafi mafi girma daga 55%.

hatsari rigakafin

Duk aikin da ta shafi amfani da cyanoacrylate manne, dole ne a yi a waje. Jobs a cikin dakin da aka yarda ne kawai tare da tilasta samun iska.

Guji lamba tare da m a kan fata, idanu da kuma narkewa kamar tsarin.

Da zarar warke, da m a tube ba za a iya matse fitar da karfi, ko unguided jet iya samun cikin idanunku. A wannan yanayin, da hanci m soke tare da wata fil (mafi alhẽri - wani ja-zafi).

"Gam" yatsunsu ba lallai ba ne su tsaga karfi ko yanka da wuka. Wannan zai kawai kai ga fata lalacewa. Domin irin haka ne, amfani da acetone (ko da kamar) ajiye a kan adiko na goge baki. Acetone zai yi laushi da manne, amma ba nan take. Yana zai dauki wani lokaci (a wuya yanayi kafin hour).

Tsananin haramta a lõkacin da aiki tare da m lalacewa auduga tufafi (musamman safar hannu). A lamba tare da m cellulose nama dauki shi ya auku tare da sakin babban adadin zafi. Wannan zai iya kai ga konewa.