{"id":3362,"date":"2023-11-22T17:14:16","date_gmt":"2023-11-22T09:14:16","guid":{"rendered":"https:\/\/recyclingmachines.org\/?p=3362"},"modified":"2023-11-22T17:14:47","modified_gmt":"2023-11-22T09:14:47","slug":"plastic-recycling-classification-of-plastics","status":"publish","type":"post","link":"https:\/\/recyclingmachines.org\/pt\/plastic-recycling-classification-of-plastics\/","title":{"rendered":"Reciclagem de Pl\u00e1stico: Classifica\u00e7\u00e3o de Pl\u00e1sticos"},"content":{"rendered":"<p class=\"translation-block\">\u00c9 necess\u00e1rio que aqueles que fazem reciclagem de pl\u00e1stico entendam a classifica\u00e7\u00e3o dos pl\u00e1sticos e as propriedades de v\u00e1rios pl\u00e1sticos. Hoje, apresentaremos alguns conhecimentos gerais sobre <a href=\"https:\/\/en.wikipedia.org\/wiki\/Plastic\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/en.wikipedia.org\/wiki\/Plastic\" rel=\"noreferrer noopener\">pl\u00e1sticos<\/a>.<\/p>    <h2 class=\"wp-block-heading\">Classifica\u00e7\u00e3o por \u00e1rea de aplica\u00e7\u00e3o<\/h2>    <ul class=\"wp-block-list\"> <li>Pl\u00e1sticos de uso geral: s\u00f3 podem ser usados \u200b\u200bcomo materiais n\u00e3o estruturais, grande volume de produ\u00e7\u00e3o, pre\u00e7o relativamente baixo. Mas o desempenho \u00e9 geral, de muitos fabricantes.<\/li>    <li>Pl\u00e1sticos de engenharia: podem ser utilizados como materiais estruturais, com excelentes propriedades mec\u00e2nicas, propriedades el\u00e9tricas, resist\u00eancia ao calor, resist\u00eancia qu\u00edmica, estabilidade dimensional e desempenho de processamento.<\/li>    <li>Podem ser divididos em pl\u00e1sticos de engenharia geral e pl\u00e1sticos de engenharia especiais. Este \u00faltimo tem maior desempenho, menor produ\u00e7\u00e3o, menos fabricantes e pre\u00e7os de venda mais elevados.<\/li> <\/ul>   <div class=\"wp-block-image\"> <figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"720\" height=\"540\" src=\"https:\/\/recyclingmachines.org\/wp-content\/uploads\/2023\/10\/plastic-chair.webp\" alt=\"pl\u00e1stico\" class=\"wp-image-2525\" srcset=\"https:\/\/recyclingmachines.org\/wp-content\/uploads\/2023\/10\/plastic-chair.webp 720w, https:\/\/recyclingmachines.org\/wp-content\/uploads\/2023\/10\/plastic-chair-360x270.webp 360w, https:\/\/recyclingmachines.org\/wp-content\/uploads\/2023\/10\/plastic-chair-240x180.webp 240w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/figure> <\/div>   <h2 class=\"wp-block-heading\">Por propriedades f\u00edsicas e qu\u00edmicas dos pl\u00e1sticos<\/h2>    <p class=\"translation-block\"><strong>Termopl\u00e1sticos:<\/strong> Pl\u00e1sticos que geralmente t\u00eam apenas altera\u00e7\u00f5es de volume f\u00edsico durante o processamento. Ou seja, pl\u00e1sticos que podem ser repetidamente aquecidos, amolecidos e arrefecidos para endurecer dentro de uma faixa de temperatura espec\u00edfica. (Comum: PVC, polietileno, polipropileno, poliestireno, ABS, SAN, nylon, poliformalde\u00eddo, policarbonato, \u00e9ter de polifenileno, polimetacrilato, poliuretano, tereftalato de polietileno)<\/p>    <p class=\"translation-block\"><strong>Pl\u00e1sticos termoendurec\u00edveis:<\/strong> Ocorrem altera\u00e7\u00f5es qu\u00edmicas durante o processamento. Quando aquecidas, come\u00e7am a amolecer e tornam-se um tanto pl\u00e1sticas. No entanto, com aquecimento adicional, a resina endurece e molda. Se reaquecidas, geralmente n\u00e3o podem ser remoldadas e s\u00f3 podem ser trituradas para uso.<\/p>   <div class=\"wp-block-image\"> <figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"720\" height=\"540\" src=\"https:\/\/recyclingmachines.org\/wp-content\/uploads\/2023\/10\/plastic-bags.webp\" alt=\"sacos de pl\u00e1stico\" class=\"wp-image-2544\" srcset=\"https:\/\/recyclingmachines.org\/wp-content\/uploads\/2023\/10\/plastic-bags.webp 720w, https:\/\/recyclingmachines.org\/wp-content\/uploads\/2023\/10\/plastic-bags-360x270.webp 360w, https:\/\/recyclingmachines.org\/wp-content\/uploads\/2023\/10\/plastic-bags-240x180.webp 240w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/figure> <\/div>   <h2 class=\"wp-block-heading\">Pl\u00e1sticos cristalinos e n\u00e3o cristalinos<\/h2>    <p>Os pl\u00e1sticos cristalinos t\u00eam um ponto de fus\u00e3o distinto e um arranjo regular de mol\u00e9culas quando s\u00f3lidos. As regi\u00f5es dispostas regularmente s\u00e3o chamadas de regi\u00f5es cristalinas e as regi\u00f5es desordenadas s\u00e3o chamadas de regi\u00f5es amorfas. A porcentagem de regi\u00f5es cristalinas \u00e9 chamada de grau de cristalinidade. A porcentagem de regi\u00f5es cristalinas \u00e9 chamada de grau de cristalinidade. Geralmente, pol\u00edmeros com grau de cristalinidade superior a 80% s\u00e3o chamados de pl\u00e1sticos cristalinos.<\/p>    <ul class=\"wp-block-list\"> <li>Pl\u00e1sticos cristalinos: PA, PP, PE, POM, PBT, PET, PPO<\/li>    <li>Pl\u00e1sticos amorfos: PC, ABS, PS, PVC, PMMA<\/li> <\/ul>   <div class=\"wp-block-image\"> <figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"720\" height=\"540\" src=\"https:\/\/recyclingmachines.org\/wp-content\/uploads\/2023\/10\/pp-plastic.webp\" alt=\"sucata de pl\u00e1stico pp\" class=\"wp-image-2417\" srcset=\"https:\/\/recyclingmachines.org\/wp-content\/uploads\/2023\/10\/pp-plastic.webp 720w, https:\/\/recyclingmachines.org\/wp-content\/uploads\/2023\/10\/pp-plastic-360x270.webp 360w, https:\/\/recyclingmachines.org\/wp-content\/uploads\/2023\/10\/pp-plastic-240x180.webp 240w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/figure> <\/div>   <p class=\"translation-block\">A Shuliy tem vasta experi\u00eancia no campo da reciclagem de pl\u00e1stico. Temos <a href=\"https:\/\/recyclingmachines.org\/pt\/plastic-film-shredder\/\" target=\"_blank\" data-type=\"post\" data-id=\"2344\" rel=\"noreferrer noopener\">trituradores de pl\u00e1stico<\/a>, <a href=\"https:\/\/recyclingmachines.org\/pt\/waste-plastic-granulator-machine\/\" target=\"_blank\" data-type=\"post\" data-id=\"2169\" rel=\"noreferrer noopener\">granuladores de pl\u00e1stico<\/a> e outras m\u00e1quinas de reciclagem de pl\u00e1stico para venda. Para saber mais sobre reciclagem de pl\u00e1stico, sinta-se \u00e0 vontade para deixar uma mensagem no nosso site.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u00c9 necess\u00e1rio que quem faz reciclagem de pl\u00e1stico entenda a classifica\u00e7\u00e3o dos pl\u00e1sticos e as propriedades\u2026<\/p>","protected":false},"author":1,"featured_media":2847,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[11],"tags":[],"class_list":["post-3362","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"taxonomy_info":{"category":[{"value":11,"label":"News"}]},"featured_image_src_large":["https:\/\/recyclingmachines.org\/wp-content\/uploads\/2023\/10\/plastic-flakes-2.webp",720,540,false],"author_info":{"display_name":"Elena","author_link":"https:\/\/recyclingmachines.org\/pt\/author\/adminangel\/"},"comment_info":0,"category_info":[{"term_id":11,"name":"News","slug":"news","term_group":0,"term_taxonomy_id":11,"taxonomy":"category","description":"","parent":0,"count":214,"filter":"raw","cat_ID":11,"category_count":214,"category_description":"","cat_name":"News","category_nicename":"news","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/recyclingmachines.org\/pt\/wp-json\/wp\/v2\/posts\/3362","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/recyclingmachines.org\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/recyclingmachines.org\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/recyclingmachines.org\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/recyclingmachines.org\/pt\/wp-json\/wp\/v2\/comments?post=3362"}],"version-history":[{"count":0,"href":"https:\/\/recyclingmachines.org\/pt\/wp-json\/wp\/v2\/posts\/3362\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/recyclingmachines.org\/pt\/wp-json\/wp\/v2\/media\/2847"}],"wp:attachment":[{"href":"https:\/\/recyclingmachines.org\/pt\/wp-json\/wp\/v2\/media?parent=3362"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/recyclingmachines.org\/pt\/wp-json\/wp\/v2\/categories?post=3362"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/recyclingmachines.org\/pt\/wp-json\/wp\/v2\/tags?post=3362"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}