{"id":84092,"date":"2018-04-28T15:44:27","date_gmt":"2018-04-28T18:44:27","guid":{"rendered":"https:\/\/espacoecologico.com.br\/arquivo\/?p=84092"},"modified":"2018-04-28T15:44:27","modified_gmt":"2018-04-28T18:44:27","slug":"cientistas-anunciam-avanco-em-direcao-ao-plastico-infinitamente-reciclavel","status":"publish","type":"post","link":"https:\/\/espacoecologico.com.br\/arquivo\/cientistas-anunciam-avanco-em-direcao-ao-plastico-infinitamente-reciclavel\/","title":{"rendered":"Cientistas anunciam avan\u00e7o em dire\u00e7\u00e3o ao pl\u00e1stico &#8216;infinitamente recicl\u00e1vel&#8217;"},"content":{"rendered":"<div class=\"mc-column content-text active-extra-styles active-capital-letter\" data-block-type=\"unstyled\" data-block-weight=\"35\" data-block-id=\"2\">\n<p class=\"content-text__container theme-color-primary-first-letter\" data-track-category=\"Link no Texto\" data-track-links=\"\"><a href=\"https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2018\/04\/lixo-2.jpg\"><img loading=\"lazy\" class=\"alignleft size-medium wp-image-84093\" src=\"https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2018\/04\/lixo-2-300x192.jpg\" alt=\"\" width=\"300\" height=\"192\" srcset=\"https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2018\/04\/lixo-2-300x192.jpg 300w, https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2018\/04\/lixo-2.jpg 415w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>Cientistas americanos disseram nesta \u00faltima quinta-feira (26) que fizeram avan\u00e7os em dire\u00e7\u00e3o a um tipo de pl\u00e1stico que pode ser reciclado &#8220;infinitamente&#8221; e que este parece ser dur\u00e1vel o suficiente para competir com os pl\u00e1sticos comuns.<\/p>\n<\/div>\n<div class=\"mc-column content-text active-extra-styles \" data-block-type=\"unstyled\" data-block-weight=\"38\" data-block-id=\"3\">\n<p class=\"content-text__container \" data-track-category=\"Link no Texto\" data-track-links=\"\">Diferentemente dos pl\u00e1sticos feitos a partir de derivados de petr\u00f3leo, o novo tipo pode ser transformado de volta ao seu estado original de pequenas mol\u00e9culas e transformado em novos pl\u00e1sticos repetidas vezes, disse o relat\u00f3rio na revista &#8220;Science&#8221;.<\/p>\n<\/div>\n<div class=\"mc-column content-text active-extra-styles\" data-block-type=\"raw\" data-block-weight=\"27\" data-block-id=\"4\">\n<blockquote class=\"content-blockquote theme-border-color-primary-before\"><p>&#8220;Os pol\u00edmeros podem ser quimicamente reciclados e reutilizados, em princ\u00edpio, infinitamente&#8221;, disse o autor principal, Eugene Chen, professor do Departamento de Qu\u00edmica da Universidade Estadual do Colorado.<\/p><\/blockquote>\n<\/div>\n<div class=\"mc-column content-text active-extra-styles \" data-block-type=\"unstyled\" data-block-weight=\"18\" data-block-id=\"5\">\n<p class=\"content-text__container \" data-track-category=\"Link no Texto\" data-track-links=\"\">Chen advertiu que a pesquisa foi feita apenas em laborat\u00f3rio e que \u00e9 necess\u00e1rio mais trabalho para desenvolv\u00ea-la.<\/p>\n<\/div>\n<div class=\"mc-column content-text active-extra-styles \" data-block-type=\"unstyled\" data-block-weight=\"26\" data-block-id=\"6\">\n<p class=\"content-text__container \" data-track-category=\"Link no Texto\" data-track-links=\"\">No entanto, a equipe ampliou um avan\u00e7o que anunciou em 2015, que resultou em um pl\u00e1stico totalmente recicl\u00e1vel que era mais macio do que o ideal.<\/p>\n<\/div>\n<div class=\"mc-column content-text active-extra-styles \" data-block-type=\"unstyled\" data-block-weight=\"17\" data-block-id=\"7\">\n<p class=\"content-text__container \" data-track-category=\"Link no Texto\" data-track-links=\"\">Fazer a vers\u00e3o antiga exigia condi\u00e7\u00f5es extremamente frias e o produto final tinha baixa resist\u00eancia ao calor.<\/p>\n<\/div>\n<div class=\"mc-column content-text active-extra-styles \" data-block-type=\"unstyled\" data-block-weight=\"10\" data-block-id=\"8\">\n<p class=\"content-text__container \" data-track-category=\"Link no Texto\" data-track-links=\"\">O novo produto corrige todos esses problemas, disseram os pesquisadores.<\/p>\n<\/div>\n<div class=\"mc-column content-text active-extra-styles \" data-block-type=\"unstyled\" data-block-weight=\"24\" data-block-id=\"9\">\n<p class=\"content-text__container \" data-track-category=\"Link no Texto\" data-track-links=\"\">Um coment\u00e1rio que acompanhou o artigo na &#8220;Science&#8221; disse que o trabalho \u00e9 &#8220;um passo importante&#8221; na abordagem do problema do pl\u00e1stico no planeta.<\/p>\n<\/div>\n<div class=\"mc-column content-text active-extra-styles \" data-block-type=\"unstyled\" data-block-weight=\"27\" data-block-id=\"10\">\n<p class=\"content-text__container \" data-track-category=\"Link no Texto\" data-track-links=\"\">Sob o novo processo, &#8220;os res\u00edduos de pl\u00e1stico s\u00e3o despolimerizados de volta ao material inicial e depois repolimerizados para produzir pl\u00e1sticos do tipo virgem&#8221;, disse o coment\u00e1rio.<\/p>\n<\/div>\n<div class=\" content-media content-media--normal content-media--featured content-photo\" data-block-type=\"backstage-photo\" data-block-id=\"11\">\n<div class=\"content-media__container\">\n<div class=\"content-media__image-centered\">\n<div class=\"progressive-img can-open-lightbox\" data-min-size=\"1008x557\" data-min-size-url=\"https:\/\/s2.glbimg.com\/h00J2cxBtNGcDsE-VzF07Y7HHSE=\/0x0:1920x1062\/1008x0\/smart\/filters:strip_icc()\/i.s3.glbimg.com\/v1\/AUTH_59edd422c0c84a879bd37670ae4f538a\/internal_photos\/bs\/2018\/L\/p\/GPiEWVTv2X2lqXRac4HQ\/bottle-2349136-1920.jpg\" data-max-size=\"1600x885\" data-max-size-url=\"https:\/\/s2.glbimg.com\/qydzlKJYLDlTqoJ4m16tPQ9S4DE=\/0x0:1920x1062\/1600x0\/smart\/filters:strip_icc()\/i.s3.glbimg.com\/v1\/AUTH_59edd422c0c84a879bd37670ae4f538a\/internal_photos\/bs\/2018\/L\/p\/GPiEWVTv2X2lqXRac4HQ\/bottle-2349136-1920.jpg\" data-media-index=\"1\">\n<div class=\"placeholder-container\"><\/div>\n<picture><img loading=\"lazy\" class=\"image content-media__image progressive-loaded\" title=\"Produ\u00e7\u00e3o global deve passar de 500 milh\u00f5es de toneldas m\u00e9tricas at\u00e9 2050 (Foto: Andrew Martin\/Pixabay)\" src=\"https:\/\/s2.glbimg.com\/h00J2cxBtNGcDsE-VzF07Y7HHSE=\/0x0:1920x1062\/1008x0\/smart\/filters:strip_icc()\/i.s3.glbimg.com\/v1\/AUTH_59edd422c0c84a879bd37670ae4f538a\/internal_photos\/bs\/2018\/L\/p\/GPiEWVTv2X2lqXRac4HQ\/bottle-2349136-1920.jpg\" alt=\"Produ\u00e7\u00e3o global deve passar de 500 milh\u00f5es de toneldas m\u00e9tricas at\u00e9 2050 (Foto: Andrew Martin\/Pixabay)\" width=\"639\" height=\"354\" data-src=\"https:\/\/s2.glbimg.com\/h00J2cxBtNGcDsE-VzF07Y7HHSE=\/0x0:1920x1062\/1008x0\/smart\/filters:strip_icc()\/i.s3.glbimg.com\/v1\/AUTH_59edd422c0c84a879bd37670ae4f538a\/internal_photos\/bs\/2018\/L\/p\/GPiEWVTv2X2lqXRac4HQ\/bottle-2349136-1920.jpg\" \/><\/picture><\/div>\n<\/div>\n<div class=\"content-media__description-centered mc-column\">\n<p class=\"content-media__description\"><i class=\"content-media__description__icon theme-color-primary\"><\/i><span class=\"content-media__description__caption\">Produ\u00e7\u00e3o global deve passar de 500 milh\u00f5es de toneldas m\u00e9tricas at\u00e9 2050 (Foto: Andrew Martin\/Pixabay)<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"content-ads content-ads--reveal\" data-block-type=\"ads\" data-block-id=\"12\"><\/div>\n<div class=\"mc-column content-text active-extra-styles \" data-block-type=\"unstyled\" data-block-weight=\"30\" data-block-id=\"13\">\n<p class=\"content-text__container \" data-track-category=\"Link no Texto\" data-track-links=\"\">Esse tipo de avan\u00e7o &#8220;pode levar a um mundo em que os pl\u00e1sticos no final de sua vida n\u00e3o s\u00e3o considerados res\u00edduos, mas mat\u00e9ria-prima para gerar produtos de alto valor&#8221;.<\/p>\n<\/div>\n<div class=\"mc-column content-text active-extra-styles \" data-block-type=\"unstyled\" data-block-weight=\"11\" data-block-id=\"14\">\n<p class=\"content-text__container \" data-track-category=\"Link no Texto\" data-track-links=\"\">Atualmente, apenas cerca de 5% do pl\u00e1stico no mundo \u00e9 reciclado.<\/p>\n<\/div>\n<div class=\"mc-column content-text active-extra-styles \" data-block-type=\"unstyled\" data-block-weight=\"14\" data-block-id=\"15\">\n<p class=\"content-text__container \" data-track-category=\"Link no Texto\" data-track-links=\"\">A produ\u00e7\u00e3o global de pl\u00e1stico dever\u00e1 ultrapassar 500 milh\u00f5es de toneladas m\u00e9tricas at\u00e9 2050.<\/p>\n<\/div>\n<div data-track-category=\"fim do conteudo\" data-track-action=\"ultimo chunk conteudo\" data-track-noninteraction=\"false\" data-track-scroll=\"entrada completa viewport\">\n<div class=\"mc-column content-text active-extra-styles \" data-block-type=\"unstyled\" data-block-weight=\"15\" data-block-id=\"16\">\n<p class=\"content-text__container \" data-track-category=\"Link no Texto\" data-track-links=\"\">Especialistas preveem que em meados do s\u00e9culo haver\u00e1 mais pl\u00e1stico do que peixes nos oceanos.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Cientistas americanos disseram nesta \u00faltima quinta-feira (26) que fizeram avan\u00e7os em dire\u00e7\u00e3o a um 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