{"id":248,"date":"2014-02-25T21:29:18","date_gmt":"2014-02-25T19:29:18","guid":{"rendered":"http:\/\/www.argia.eus\/blogak\/ibon-larrazabal\/?p=248"},"modified":"2014-02-25T21:29:18","modified_gmt":"2014-02-25T19:29:18","slug":"terminator-polimeroa-bizidun-euskal-material-sintetikoa","status":"publish","type":"post","link":"https:\/\/blogak.argia.eus\/ibon-larrazabal\/2014\/02\/25\/terminator-polimeroa-bizidun-euskal-material-sintetikoa\/","title":{"rendered":"Terminator polimeroa: &#8220;bizidun&#8221; (euskal) material sintetikoa"},"content":{"rendered":"<p>Polimero naturalak edonon aurki ditzakegu, gure larruazalean adibidez, eta era berean, polimero sintetikoak ere nonahi daude egun. Polimero naturalak, larruazala adibidez, ebakitzerakoan, berez sendatzeko edo konpontzeko gai dira, baina hauek ez bezala, polimero sintetikoek ez daukate ahalmen hori. Edo, hobe esanda, ez zeukaten, zeren Donostiako CIDETEC zentroko ikertzaileek aurkitu duten polimero bat berez konpondu baitaiteke, kanpoko laguntzarik gabe. Begira bideo hau:<\/p>\n<p>http:\/\/www.youtube.com\/watch?v=6tVJL7RDOA8&#038;feature=player_embedded<\/p>\n<p>Polimero zati bat laban batez bitan ebaki ondoren, bi orduren buruan %97ko sendaketa bat erakusten du, eta aldi berean, nahiz eta alde bietatik tiratu ez da apurtzen. Materiala, poli(urea-uretano)zko elastomero bat da, eta konponketa eragiten duena disulfito aromatikoen metastasi erreakzio bat da, hauek tenperatura arruntean eraldatzen baitira. Ikertzaile taldeko Ibon Odriozolak dio polimero hau bizirik balego bezala portatzen dela, bere burua etengabe sendatuz, eta \u201cTerminator Polimeroa\u201d deitu du, Terminator 2 filmean agertzen den T-1000 errobotaren omenez. <!--more--> Berez \u201csendatzen\u201d diren polimeroek beraien buruak konpontzen dituzte puskatutako lotura gurutzatuak birsortuz, baina loturen birsorkuntza mekanismo honek kanpoko eragin bat behar du, dela beroa, dela argia edo ingurugiro kimiko jakin bat. Kanpoko laguntzarik gabe berez konpondu zitezkeen polimero sintetikoak ez ziren ezagutzen orain arte. CIDETEC zentroko taldeak berak ere aurretik silikonazko elastomero bat garatu zuen berez konpondu zitekeena, zilarrezko nanopartikulak erabiliz lotura bezala; baina hartan kanpotik presio bat eragin behar zen polimeroa konpontzeko, eta gainera zilarrak materiala garestitzen zuen eta komertzialki ez zen erakargarria. Oraingoan, material berri honek aukera handiak zabaltzen ditu plastikozko produktu askoren segurtasuna eta iraunkortasuna hobetzeko, bai eraikinetan, bai autoetan edo biomaterialetan. Adibidez, material honekin egindako hodi bat puskatu edo lehertuko balitz, nahikoa litzateke zati biak elkartzea hodia berez konpontzeko.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Polimero naturalak edonon aurki ditzakegu, gure larruazalean adibidez, eta era berean, polimero sintetikoak ere nonahi daude egun. Polimero naturalak, larruazala adibidez, ebakitzerakoan, berez sendatzeko edo konpontzeko gai dira, baina hauek ez bezala, polimero sintetikoek ez daukate ahalmen hori. Edo, hobe esanda, ez zeukaten, zeren Donostiako CIDETEC zentroko ikertzaileek aurkitu duten polimero bat berez konpondu baitaiteke, [&hellip;]<\/p>\n","protected":false},"author":80,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-248","post","type-post","status-publish","format-standard","hentry","category-zientzia-bitxia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Terminator polimeroa: &quot;bizidun&quot; (euskal) material sintetikoa - Liber Prodigiorum<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogak.argia.eus\/ibon-larrazabal\/2014\/02\/25\/terminator-polimeroa-bizidun-euskal-material-sintetikoa\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Terminator polimeroa: &quot;bizidun&quot; (euskal) material sintetikoa - Liber Prodigiorum\" \/>\n<meta property=\"og:description\" content=\"Polimero naturalak edonon aurki ditzakegu, gure larruazalean adibidez, eta era berean, polimero sintetikoak ere nonahi daude egun. Polimero naturalak, larruazala adibidez, ebakitzerakoan, berez sendatzeko edo konpontzeko gai dira, baina hauek ez bezala, polimero sintetikoek ez daukate ahalmen hori. Edo, hobe esanda, ez zeukaten, zeren Donostiako CIDETEC zentroko ikertzaileek aurkitu duten polimero bat berez konpondu baitaiteke, [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogak.argia.eus\/ibon-larrazabal\/2014\/02\/25\/terminator-polimeroa-bizidun-euskal-material-sintetikoa\/\" \/>\n<meta property=\"og:site_name\" content=\"Liber Prodigiorum\" \/>\n<meta property=\"article:published_time\" content=\"2014-02-25T19:29:18+00:00\" \/>\n<meta name=\"author\" content=\"Ibon Larrazabal\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ibon Larrazabal\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minutua\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/blogak.argia.eus\/ibon-larrazabal\/2014\/02\/25\/terminator-polimeroa-bizidun-euskal-material-sintetikoa\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/blogak.argia.eus\/ibon-larrazabal\/2014\/02\/25\/terminator-polimeroa-bizidun-euskal-material-sintetikoa\/\"},\"author\":{\"name\":\"Ibon Larrazabal\",\"@id\":\"https:\/\/blogak.argia.eus\/ibon-larrazabal\/#\/schema\/person\/d2d16871636cf961fff92b9172cd1f54\"},\"headline\":\"Terminator polimeroa: &#8220;bizidun&#8221; 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