{"id":56374,"date":"2024-12-13T09:59:03","date_gmt":"2024-12-13T12:59:03","guid":{"rendered":"https:\/\/jornalfatosenoticias.com.br\/?p=56374"},"modified":"2024-12-13T09:59:04","modified_gmt":"2024-12-13T12:59:04","slug":"cientistas-criam-novo-plastico-livre-de-microplasticos","status":"publish","type":"post","link":"https:\/\/jornalfatosenoticias.com.br\/index.php\/2024\/12\/13\/cientistas-criam-novo-plastico-livre-de-microplasticos\/","title":{"rendered":"Cientistas criam novo pl\u00e1stico livre de micropl\u00e1sticos"},"content":{"rendered":"\n<p><em><span class=\"has-inline-color has-black-color\">Al\u00e9m de n\u00e3o liberar micropl\u00e1sticos em ecossistemas marinhos, esse pl\u00e1stico supramolecular n\u00e3o \u00e9 inflam\u00e1vel e resistente a solventes<\/span><\/em><\/p>\n\n\n\n<p><span class=\"has-inline-color has-black-color\">Por <strong><a href=\"https:\/\/gizmodo.uol.com.br\/author\/pablo-nogueira\/\">Pablo Nogueira<\/a><\/strong><\/span><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><a href=\"https:\/\/www.controlsystems.com.br\/\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"109\" src=\"https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2020\/02\/CONTROL-CS2-1024x109.jpg\" alt=\"\" class=\"wp-image-44989\" srcset=\"https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2020\/02\/CONTROL-CS2-1024x109.jpg 1024w, https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2020\/02\/CONTROL-CS2-300x32.jpg 300w, https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2020\/02\/CONTROL-CS2-768x82.jpg 768w, https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2020\/02\/CONTROL-CS2.jpg 1120w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><\/div>\n\n\n\n<p>Cientistas do <a href=\"https:\/\/gizmodo.uol.com.br\/baratas-podem-ajudar-na-busca-de-sobreviventes-em-terremotos\/\">Instituto de Pesquisa F\u00edsica e Qu\u00edmica RIKEN<\/a>, do Jap\u00e3o, desenvolveram um pl\u00e1stico dur\u00e1vel e biodegrad\u00e1vel que n\u00e3o libera micropl\u00e1sticos nos oceanos. Em um estudo <a href=\"https:\/\/www.science.org\/doi\/10.1126\/science.ado1782#editor-abstract\" target=\"_blank\" rel=\"noreferrer noopener\">publicado<\/a>\u00a0na \u00faltima edi\u00e7\u00e3o da revista<em>\u00a0Science<\/em>, os cientistas japoneses apresentaram uma nova abordagem para cria\u00e7\u00e3o de\u00a0<a href=\"https:\/\/gizmodo.uol.com.br\/chineses-encontram-microplasticos-em-amostras-de-semen-humano\/\">pl\u00e1sticos biodegrad\u00e1veis, mas com a mesma resist\u00eancia do pl\u00e1stico convencional<\/a>.<br>No entanto, o diferencial desse novo pl\u00e1stico \u00e9 que ele se desintegra em contato com a \u00e1gua do mar, <a href=\"https:\/\/gizmodo.uol.com.br\/microplasticos-estao-chegando-a-niveis-estratosfericos-literalmente\/\">ajudando a reduzir a polui\u00e7\u00e3o de micropl\u00e1sticos nos oceanos.<\/a> Para <a href=\"https:\/\/gizmodo.uol.com.br\/3-coisas-que-voce-pode-fazer-em-casa-para-evitar-o-consumo-de-microplasticos\/\">criar o novo pl\u00e1stico<\/a>, os cientistas japoneses utilizaram um processo que combina hexametafosfato de s\u00f3dio com sulfeto de guanidina. Os elementos, dois mon\u00f4meros i\u00f4nicos, se juntaram a um espa\u00e7ador de alquila. O resultado foi o Alkyl SP\u2082, um tipo espec\u00edfico de pl\u00e1stico supramolecular que possui propriedades mais vantajosas que os pl\u00e1sticos convencionais.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.ithbrasil.com.br\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2023\/08\/ITH.jpeg\" alt=\"\" class=\"wp-image-44638\" width=\"288\" height=\"234\" srcset=\"https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2023\/08\/ITH.jpeg 800w, https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2023\/08\/ITH-300x244.jpeg 300w, https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2023\/08\/ITH-768x624.jpeg 768w\" sizes=\"auto, (max-width: 288px) 100vw, 288px\" \/><\/a><\/figure><\/div>\n\n\n\n<p>Al\u00e9m de n\u00e3o liberar <a href=\"https:\/\/gizmodo.uol.com.br\/nao-e-so-microplastico-cientistas-acham-fibra-de-vidro-em-animais-marinhos\/\">micropl\u00e1sticos em ecossistemas marinhos<\/a>, esse pl\u00e1stico supramolecular n\u00e3o \u00e9 inflam\u00e1vel e resistente a solventes. Pl\u00e1sticos supramoleculares s\u00e3o pol\u00edmeros com estruturas que se ligam por intera\u00e7\u00f5es revers\u00edveis, como pontes salinas em liga\u00e7\u00f5es n\u00e3o covalentes.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.instagram.com\/ligadossaborespizzaria\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2020\/02\/WhatsApp-Image-2024-10-02-at-08.18.14-819x1024.jpeg\" alt=\"\" class=\"wp-image-54612\" width=\"307\" height=\"384\" srcset=\"https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2020\/02\/WhatsApp-Image-2024-10-02-at-08.18.14-819x1024.jpeg 819w, https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2020\/02\/WhatsApp-Image-2024-10-02-at-08.18.14-240x300.jpeg 240w, https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2020\/02\/WhatsApp-Image-2024-10-02-at-08.18.14-768x960.jpeg 768w, https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2020\/02\/WhatsApp-Image-2024-10-02-at-08.18.14.jpeg 1024w\" sizes=\"auto, (max-width: 307px) 100vw, 307px\" \/><\/a><\/figure><\/div>\n\n\n\n<p>O novo pl\u00e1stico, portanto, \u00e9 a conex\u00e3o de pontes salinas, ou pontes de sal, que se formaram entre <a href=\"https:\/\/gizmodo.uol.com.br\/1-a-7-o-que-significam-os-numeros-nas-embalagens-plasticas\/\">grupos i\u00f4nicos presentes na cadeia polim\u00e9rica<\/a>, influenciando as propriedades. No caso do pl\u00e1stico que n\u00e3o libera micropl\u00e1sticos, o <a href=\"https:\/\/gizmodo.uol.com.br\/cientistas-descobrem-inseto-comedor-de-plastico-no-quenia\/\">segredo s\u00e3o os mon\u00f4meros que podem ser metabolizados por bact\u00e9rias<\/a>, garantindo a biodegradabilidade quando o pl\u00e1stico se dissolver em seus componentes.<br>Al\u00e9m disso, a estrutura de pontes salinas \u00e9 irrevers\u00edvel, exceto quando exposta a eletr\u00f3litos presentes na \u00e1gua do mar. <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.instagram.com\/esteiochurrascaria\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2022\/02\/LOGO-ESTEIO-1024x730.png\" alt=\"\" class=\"wp-image-27942\" width=\"321\" height=\"229\" srcset=\"https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2022\/02\/LOGO-ESTEIO-1024x730.png 1024w, https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2022\/02\/LOGO-ESTEIO-300x214.png 300w, https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2022\/02\/LOGO-ESTEIO-768x548.png 768w, https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2022\/02\/LOGO-ESTEIO.png 1123w\" sizes=\"auto, (max-width: 321px) 100vw, 321px\" \/><\/a><\/figure><\/div>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><span class=\"has-inline-color has-luminous-vivid-orange-color\">Embora a natureza revers\u00edvel das liga\u00e7\u00f5es em pl\u00e1sticos supramoleculares passem uma imagem de que eles sejam fracos e inst\u00e1veis, o nosso novo material \u00e9 justamente o oposto\u201d, afirma Takuzo Aida, l\u00edder da pesquisa.<\/span><\/p><\/blockquote>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.instagram.com\/restaurantepegoretti\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2023\/12\/pegoretti-logo-pdf-1024x389.jpg\" alt=\"\" class=\"wp-image-47536\" width=\"411\" height=\"156\" srcset=\"https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2023\/12\/pegoretti-logo-pdf-1024x389.jpg 1024w, https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2023\/12\/pegoretti-logo-pdf-300x114.jpg 300w, https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2023\/12\/pegoretti-logo-pdf-768x291.jpg 768w, https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2023\/12\/pegoretti-logo-pdf.jpg 1120w\" sizes=\"auto, (max-width: 411px) 100vw, 411px\" \/><\/a><\/figure><\/div>\n\n\n\n<p>Vale ressaltar que Takuzo Aida \u00e9 um dos pioneiros na <a href=\"https:\/\/gizmodo.uol.com.br\/moleculas-dancantes-em-nanofibras-sinteticas-curam-danos-na-cartilagem\/\">pesquisa sobre polimeriza\u00e7\u00e3o supramolecular<\/a>, respons\u00e1vel por diversos progressos na \u00e1rea. Segundo Aida, ele e sua equipe criaram uma \u201cnova fam\u00edlia de pl\u00e1sticos resistentes, est\u00e1veis, recicl\u00e1veis, multifuncionais e, sobretudo, que n\u00e3o geram micropl\u00e1sticos\u201d.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.facebook.com\/postobkr\/?locale=pt_BR\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2023\/08\/BKR-1024x1021.jpg\" alt=\"\" class=\"wp-image-44494\" width=\"297\" height=\"296\" srcset=\"https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2023\/08\/BKR-1024x1021.jpg 1024w, https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2023\/08\/BKR-300x300.jpg 300w, https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2023\/08\/BKR-150x150.jpg 150w, https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2023\/08\/BKR-768x766.jpg 768w, https:\/\/jornalfatosenoticias.com.br\/wp-content\/uploads\/2023\/08\/BKR.jpg 1080w\" sizes=\"auto, (max-width: 297px) 100vw, 297px\" \/><\/a><\/figure><\/div>\n\n\n\n<p><strong><em>Fonte: <a href=\"https:\/\/gizmodo.uol.com.br\/cientistas-criam-novo-plastico-livre-de-microplasticos\/\">Giz Brasil<\/a><\/em><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Al\u00e9m de n\u00e3o liberar micropl\u00e1sticos em ecossistemas marinhos, esse pl\u00e1stico supramolecular n\u00e3o \u00e9 inflam\u00e1vel e resistente a solventes Por Pablo Nogueira Cientistas do Instituto de Pesquisa F\u00edsica e Qu\u00edmica RIKEN, do Jap\u00e3o, desenvolveram um pl\u00e1stico dur\u00e1vel e biodegrad\u00e1vel que n\u00e3o libera micropl\u00e1sticos nos oceanos. Em um estudo publicado\u00a0na \u00faltima edi\u00e7\u00e3o da revista\u00a0Science, os cientistas japoneses [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":56375,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[3842,577,25721,25720,20229],"class_list":["post-56374","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tecnologia","tag-microplasticos","tag-plastico","tag-plastico-supramolecular","tag-polimerizacao","tag-polimeros"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cientistas criam novo pl\u00e1stico livre de micropl\u00e1sticos - Jornal Fatos e Not\u00edcias<\/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:\/\/jornalfatosenoticias.com.br\/index.php\/2024\/12\/13\/cientistas-criam-novo-plastico-livre-de-microplasticos\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cientistas criam novo pl\u00e1stico livre de micropl\u00e1sticos - Jornal Fatos e Not\u00edcias\" \/>\n<meta property=\"og:description\" content=\"Al\u00e9m de n\u00e3o liberar micropl\u00e1sticos em ecossistemas marinhos, esse pl\u00e1stico supramolecular n\u00e3o \u00e9 inflam\u00e1vel e resistente a solventes Por Pablo Nogueira Cientistas do Instituto de Pesquisa F\u00edsica e Qu\u00edmica RIKEN, do Jap\u00e3o, desenvolveram um pl\u00e1stico dur\u00e1vel e biodegrad\u00e1vel que n\u00e3o libera micropl\u00e1sticos nos oceanos. 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