{"id":11219,"date":"2015-05-15T09:00:10","date_gmt":"2015-05-15T12:00:10","guid":{"rendered":"http:\/\/patagoniambiental.com.ar\/?p=11219"},"modified":"2015-05-15T09:00:10","modified_gmt":"2015-05-15T12:00:10","slug":"botellas-descartables-para-casas-sustentables","status":"publish","type":"post","link":"https:\/\/patagoniambiental.com.ar\/info\/botellas-descartables-para-casas-sustentables\/","title":{"rendered":"Botellas descartables para casas sustentables"},"content":{"rendered":"<p>Investigadores del CONICET crean ladrillos a partir de desechos pl\u00e1sticos.<!--more--><\/p>\n<p>Uno de los residuos que m\u00e1s se acumulan en las ciudades son los envases no retornables de bebidas, un dato no menor si se tiene en cuenta que tardan 500 a\u00f1os en degradarse a la intemperie, y a\u00fan m\u00e1s si est\u00e1n enterrados. En respuesta a esta problem\u00e1tica Rosana Gaggino, investigadora adjunta del CONICET en el Centro Experimental de la Vivienda Econ\u00f3mica (CEVE, CONICET-AVE), desarroll\u00f3 junto a su equipo de colaboradores, un proceso para la utilizaci\u00f3n de pl\u00e1sticos reciclados en la elaboraci\u00f3n de elementos constructivos, en este caso ladrillos de polietilen-tereftalato (PET).<\/p>\n<p>\u00abUsamos PET procedente de envases descartables de bebidas y cemento p\u00f3rtland como ligante, m\u00e1s un aditivo qu\u00edmico que mejora la adherencia de las part\u00edculas pl\u00e1sticas al cemento\u201d, detalla Gaggino. La investigadora explica que el proceso se lleva a cabo triturando los pl\u00e1sticos con un molino, luego en una hormigonera com\u00fan se hace una mezcla con el cemento p\u00f3rtland y el aditivo, que luego se coloca en una bloquera manual que le da forma a los ladrillos.<\/p>\n<p>\u00abEl proceso es simple porque es como hacer bloques de cemento y arena, s\u00f3lo que se remplaza la arena por las part\u00edculas de pl\u00e1stico PET\u201d, asegura. Entre las ventajas t\u00e9cnicas de estos ladrillos se puede mencionar que son cinco veces m\u00e1s aislantes t\u00e9rmicos que los convencionales de tierra, y adem\u00e1s m\u00e1s livianos. \u00abUn ladrillo de PET pesa 1.400 kg, mientras que el de tierra pesa aproximadamente un kilo m\u00e1s\u201d, dice Gaggino.<\/p>\n<p>Fuente: Tiempo Patagonico<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Investigadores del CONICET crean ladrillos a partir de desechos 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