{"id":2774,"date":"2017-07-12T17:46:01","date_gmt":"2017-07-12T17:46:01","guid":{"rendered":"https:\/\/magmont.com\/de-donde-viene-el-cianoacrilato-cuales-son-sus-origenes\/"},"modified":"2024-05-09T07:52:48","modified_gmt":"2024-05-09T07:52:48","slug":"pegament-de-ciano","status":"publish","type":"post","link":"https:\/\/magmont.com\/ca\/pegament-de-ciano\/","title":{"rendered":"D’on ve el CIANOACRILAT? Quins s\u00f3n els seus or\u00edgens?"},"content":{"rendered":"
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Aquest pegament comunament conegut com a “pegament de ciano<\/a>” o “superpegament”, t\u00e9 els seus or\u00edgens a la d\u00e8cada de 1940. Va ser descobert de manera accidental pel qu\u00edmic estatunidenc Harry Coover mentre treballava per l’empresa Eastman Kodak. A 1942, Coover i el seu equip estaven investigant compostos qu\u00edmics per a desenvolupar un material transparent per als espiells dels rifles durant la Segona Guerra Mundial. Durant els seus experiments, van descobrir un compost anomenat cianocrilat, que tenia la capacitat d’adherir-se r\u00e0pidament a diverses superf\u00edcies quan entrava en contacte amb l’aigua.<\/p>\n

Tot i aix\u00f2, en aquell moment, Coover no va recon\u00e8ixer completament el potencial del cianocrilat com a adhesiu a causa de la seva r\u00e0pida polimeritzaci\u00f3 i la formaci\u00f3 d’una pel\u00b7l\u00edcula s\u00f2lida en pres\u00e8ncia d’humitat. En canvi, l’equip de recerca d’Eastman Kodak va centrar els esfor\u00e7os en altres aplicacions per al compost.<\/p>\n

No va ser fins a la d\u00e8cada de 1950 quan el cianocrilat va trobar el seu veritable prop\u00f2sit com a adhesiu. Durant una demostraci\u00f3 en un laboratori de recerca, Coover i els seus col\u00b7legues es van adonar de la sorprenent capacitat del cianocrilat per unir r\u00e0pidament objectes amb for\u00e7a considerable. Aquesta revelaci\u00f3 va portar al desenvolupament del primer adhesiu comercial basat en cianocrilat, conegut com a “Eastman 910”. Des de llavors, el cianocrilat ha estat \u00e0mpliament utilitzat en una varietat d’aplicacions industrials, m\u00e8diques i de bricolatge a causa de la r\u00e0pida acci\u00f3 d’uni\u00f3 i la for\u00e7a adhesiva.<\/p>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Aquest pegament comunament conegut com a “pegament de ciano” o “superpegament”, t\u00e9 els seus or\u00edgens a la d\u00e8cada de 1940. Va ser descobert de manera accidental pel qu\u00edmic estatunidenc Harry Coover mentre treballava per l’empresa Eastman Kodak. A 1942, Coover i el seu equip estaven investigant compostos qu\u00edmics per a desenvolupar un material transparent per […]<\/p>\n","protected":false},"author":1,"featured_media":2324,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[73],"tags":[],"class_list":["post-2774","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticies"],"yoast_head":"\nPegament de ciano - MAGMONT | Castell Universal | Adhesivos de cianocrilato en distintos formatos<\/title>\n<meta name=\"description\" content=\"El cianoacrilat, comunament conegut com "pegament de ciano" o "supercola", t\u00e9 els seus or\u00edgens. 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