{"id":46869,"date":"2019-11-02T10:25:06","date_gmt":"2019-11-02T09:25:06","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/o-que-e-material-de-isolamento-organico-definicao\/"},"modified":"2020-01-22T09:18:20","modified_gmt":"2020-01-22T08:18:20","slug":"o-que-e-material-de-isolamento-organico-definicao","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-material-de-isolamento-organico-definicao\/","title":{"rendered":"O que \u00e9 material para isolamento org\u00e2nico &#8211; defini\u00e7\u00e3o"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">Os materiais de isolamento org\u00e2nico tratados nesta se\u00e7\u00e3o s\u00e3o todos derivados de uma mat\u00e9ria-prima petroqu\u00edmica ou renov\u00e1vel (de base biol\u00f3gica).\u00a0Materiais de isolamento org\u00e2nico<\/div>\n<\/div>\n<div class=\"su-divider su-divider-style-dotted\"><\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spacer\"><\/div>\n<h2>Materiais de isolamento<\/h2>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Thermal-Insulators-Parameters.png\"><img loading=\"lazy\" class=\"alignright size-medium wp-image-21157 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Thermal-Insulators-Parameters-225x300.png\" alt=\"Isoladores t\u00e9rmicos - Par\u00e2metros\" width=\"225\" height=\"300\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Thermal-Insulators-Parameters-225x300.png\" \/><\/a>Como foi escrito, o\u00a0<strong>isolamento t\u00e9rmico<\/strong>\u00a0\u00e9 baseado no uso de subst\u00e2ncias com\u00a0<strong>condutividade t\u00e9rmica muito baixa<\/strong>\u00a0.\u00a0Esses materiais s\u00e3o conhecidos como\u00a0<strong>materiais de isolamento<\/strong>\u00a0.\u00a0Os materiais de isolamento comuns s\u00e3o l\u00e3, fibra de vidro, l\u00e3 de rocha, poliestireno, poliuretano e penas de ganso, etc. Esses materiais s\u00e3o condutores de calor muito fracos e, portanto, s\u00e3o bons isolantes t\u00e9rmicos.<\/p>\n<p>&amp; nbsp;<\/p>\n<\/div>\n<\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spacer\"><\/div>\n<h2>Tipos de isolamento &#8211; Categoriza\u00e7\u00e3o de materiais de isolamento<\/h2>\n<p>Para materiais de isolamento, tr\u00eas categorias gerais podem ser definidas.\u00a0Essas categorias s\u00e3o baseadas na composi\u00e7\u00e3o qu\u00edmica do material base a partir do qual o material isolante \u00e9 produzido.<\/p>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Insulation-Materials-Types.png\"><img loading=\"lazy\" class=\"aligncenter size-large wp-image-21149 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Insulation-Materials-Types-1024x653.png\" alt=\"Materiais de isolamento - Tipos\" width=\"669\" height=\"427\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Insulation-Materials-Types-1024x653.png\" \/><\/a><\/p>\n<p>Em leituras adicionais, h\u00e1 uma breve descri\u00e7\u00e3o desses tipos de materiais de isolamento.<\/p>\n<p><strong>Materiais de isolamento org\u00e2nico<\/strong><\/p>\n<p>Os materiais de isolamento org\u00e2nico tratados nesta se\u00e7\u00e3o s\u00e3o todos derivados de uma mat\u00e9ria-prima petroqu\u00edmica ou renov\u00e1vel (de base biol\u00f3gica).\u00a0Quase todos os materiais de isolamento petroqu\u00edmico est\u00e3o na forma de pol\u00edmeros.\u00a0Como pode ser visto na figura, todos os materiais de isolamento petroqu\u00edmico s\u00e3o celulares.\u00a0Um material \u00e9 celular quando a estrutura do material consiste em poros ou c\u00e9lulas.\u00a0Por outro lado, muitas plantas cont\u00eam fibras por sua resist\u00eancia, portanto quase todos os materiais de isolamento de base biol\u00f3gica s\u00e3o fibrosos (exceto corti\u00e7a expandida, que \u00e9 celular).<\/p>\n<p>Os materiais de isolamento org\u00e2nico podem ser classificados em conformidade:<\/p>\n<ul>\n<li>Materiais petroqu\u00edmicos (derivados de petr\u00f3leo \/ carv\u00e3o)\n<ul>\n<li><a href=\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-poliestireno-expandido-eps-definicao\/\">Poliestireno expandido (EPS)<\/a><\/li>\n<li><a href=\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-poliestireno-extrudado-xps-definicao\/\">Poliestireno extrudido (XPS)<\/a><\/li>\n<li><a href=\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-espuma-de-poliuretano-definicao\/\">Poliuretano (PUR)<\/a><\/li>\n<li>Espuma fen\u00f3lica<\/li>\n<li><a href=\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-espuma-de-poliisocianurato-definicao\/\">Espuma de poliisocianurato (PIR)<\/a><\/li>\n<\/ul>\n<\/li>\n<li>Materiais renov\u00e1veis \u200b\u200b(derivados de plantas \/ animais)\n<ul>\n<li><a href=\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-isolamento-de-celulose-la-de-papel-definicao\/\">Celulose<\/a><\/li>\n<li><a href=\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-isolamento-de-cortica-definicao\/\">Corti\u00e7a<\/a><\/li>\n<li>Fibra de madeira<\/li>\n<li>Fibra de c\u00e2nhamo<\/li>\n<li>L\u00e3 de linho<\/li>\n<li>L\u00e3 de ovelha<\/li>\n<li><a href=\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-isolamento-de-algodao-definicao\/\">Isolamento de algod\u00e3o<\/a><\/li>\n<\/ul>\n<\/li>\n<li><strong>Outros materiais de isolamento<\/strong>\n<ul>\n<li><a href=\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-vidro-de-espuma-vidro-celular-definicao\/\">Vidro Celular<\/a><\/li>\n<li><a href=\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-aerogel-definicao\/\">Aerogel<\/a><\/li>\n<li><a href=\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-painel-de-isolamento-a-vacuo-definicao\/\">Pain\u00e9is de v\u00e1cuo<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<h2><span>Exemplo de isolamento &#8211; poliestireno<\/span><\/h2>\n<p><span>Geralmente, o\u00a0<\/span><strong><span>poliestireno<\/span><\/strong><span>\u00a0\u00e9 um pol\u00edmero arom\u00e1tico sint\u00e9tico produzido a partir do mon\u00f4mero estireno, que \u00e9 derivado do benzeno e etileno, ambos produtos derivados do petr\u00f3leo.\u00a0<\/span><strong><span>O poliestireno<\/span><\/strong><span>\u00a0pode ser s\u00f3lido ou espumado.\u00a0O poliestireno \u00e9 um termopl\u00e1stico incolor e transparente, que \u00e9 comumente usado para isolar pain\u00e9is de espuma ou pain\u00e9is de p\u00e9rolas e um tipo de isolamento de preenchimento solto que consiste em pequenas esferas de poliestireno.\u00a0As espumas de poliestireno s\u00e3o de 95 a 98% de ar.\u00a0<\/span><strong><span>As espumas de poliestireno<\/span><\/strong><span>\u00a0s\u00e3o bons isolantes t\u00e9rmicos e, portanto, s\u00e3o frequentemente usadas como materiais de isolamento de edif\u00edcios, como em formas de concreto isolante e sistemas estruturais de constru\u00e7\u00e3o de pain\u00e9is isolados.\u00a0<strong>Poliestireno\u00a0<\/strong><\/span><strong><span>expandido (EPS)<\/span><\/strong><span>\u00a0e\u00a0<\/span><strong><span>extrudado (XPS)<\/span><\/strong><span>ambos s\u00e3o feitos de poliestireno, mas o EPS \u00e9 composto de pequenas esferas de pl\u00e1stico que s\u00e3o fundidas e o XPS come\u00e7a como um material fundido que \u00e9 pressionado para fora de um formul\u00e1rio em folhas.\u00a0O XPS \u00e9 mais comumente usado como isolamento de placas de espuma.<\/span><\/p>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/expanded-polystyrene-thermal-insulation.png\"><img loading=\"lazy\" class=\"size-medium wp-image-21154 alignright lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/expanded-polystyrene-thermal-insulation-300x180.png\" alt=\"poliestireno expandido - isolamento t\u00e9rmico\" width=\"300\" height=\"180\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/expanded-polystyrene-thermal-insulation-300x180.png\" \/><\/a><strong><span>O poliestireno expandido<\/span><\/strong><span>\u00a0(EPS) \u00e9 uma espuma r\u00edgida e resistente de c\u00e9lulas fechadas.\u00a0Os aplicativos de constru\u00e7\u00e3o civil representam cerca de dois ter\u00e7os da demanda por poliestireno expandido.\u00a0\u00c9 utilizado para o isolamento de paredes (cavidades), telhados e pisos de concreto.\u00a0Devido \u00e0s suas propriedades t\u00e9cnicas, como baixo peso, rigidez e formabilidade,\u00a0<\/span><strong><span>o poliestireno expandido<\/span><\/strong><span>\u00a0pode ser usado em uma ampla gama de aplica\u00e7\u00f5es, como bandejas, pratos e caixas de peixes.<\/span><\/p>\n<p><span>Embora o poliestireno expandido e o extrudado tenham uma estrutura de c\u00e9lula fechada, eles s\u00e3o perme\u00e1veis \u200b\u200bpelas mol\u00e9culas de \u00e1gua e n\u00e3o podem ser considerados uma barreira ao vapor.\u00a0No poliestireno expandido existem lacunas intersticiais entre os gr\u00e2nulos expandidos de c\u00e9lulas fechadas que formam uma rede aberta de canais entre os gr\u00e2nulos ligados.\u00a0Se a \u00e1gua congelar em gelo, ela se expande e pode fazer com que os pellets de poliestireno se soltem da espuma.<\/span><\/p>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<p>&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;.<\/p>\n<p>Este artigo \u00e9 baseado na tradu\u00e7\u00e3o autom\u00e1tica do artigo original em ingl\u00eas. Para mais informa\u00e7\u00f5es, consulte o artigo em ingl\u00eas. Voc\u00ea pode nos ajudar. Se voc\u00ea deseja corrigir a tradu\u00e7\u00e3o, envie-a para: translations@nuclear-power.com ou preencha o formul\u00e1rio de tradu\u00e7\u00e3o on-line. Agradecemos sua ajuda, atualizaremos a tradu\u00e7\u00e3o o mais r\u00e1pido poss\u00edvel. Obrigado.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Os materiais de isolamento org\u00e2nico tratados nesta se\u00e7\u00e3o s\u00e3o todos derivados de uma mat\u00e9ria-prima petroqu\u00edmica ou renov\u00e1vel (de base biol\u00f3gica).\u00a0Materiais de isolamento org\u00e2nico Materiais de isolamento Como foi escrito, o\u00a0isolamento t\u00e9rmico\u00a0\u00e9 baseado no uso de subst\u00e2ncias com\u00a0condutividade t\u00e9rmica muito baixa\u00a0.\u00a0Esses materiais s\u00e3o conhecidos como\u00a0materiais de isolamento\u00a0.\u00a0Os materiais de isolamento comuns s\u00e3o l\u00e3, fibra de vidro, &#8230; <a title=\"O que \u00e9 material para isolamento org\u00e2nico &#8211; defini\u00e7\u00e3o\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-material-de-isolamento-organico-definicao\/\" aria-label=\"More on O que \u00e9 material para isolamento org\u00e2nico &#8211; defini\u00e7\u00e3o\">Ler mais<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[14],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>O que \u00e9 material de isolamento org\u00e2nico - defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"Os materiais de isolamento org\u00e2nico tratados nesta se\u00e7\u00e3o s\u00e3o todos derivados de uma mat\u00e9ria-prima petroqu\u00edmica ou renov\u00e1vel (de base biol\u00f3gica). 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