{"id":5242,"date":"2023-01-05T06:37:51","date_gmt":"2023-01-05T06:37:51","guid":{"rendered":"https:\/\/cowinextrusion.com\/?p=5242"},"modified":"2023-01-05T06:44:37","modified_gmt":"2023-01-05T06:44:37","slug":"biodegradable-plastics-extruder","status":"publish","type":"post","link":"https:\/\/www.cowinextrusion.com\/pt\/biodegradable-plastics-extruder\/","title":{"rendered":"Extrusora de pl\u00e1stico biodegrad\u00e1vel"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Nos \u00faltimos anos, com a implementa\u00e7\u00e3o da \u201cproibi\u00e7\u00e3o do pl\u00e1stico\u201d, os pl\u00e1sticos biodegrad\u00e1veis t\u00eam gradualmente entrado na vis\u00e3o do p\u00fablico, o que \u00e9 de import\u00e2ncia vital para o desenvolvimento da ind\u00fastria de embalagens de protec\u00e7\u00e3o ambiental.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Atualmente, existem cerca de 20 tipos de pl\u00e1sticos biodegrad\u00e1veis comumente vistos no mercado, que podem ser divididos em duas categorias: pl\u00e1sticos degrad\u00e1veis de base biol\u00f3gica e pl\u00e1sticos degrad\u00e1veis de base petroqu\u00edmica de acordo com a fonte de mat\u00e9rias-primas:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Os pl\u00e1sticos degrad\u00e1veis de base biol\u00f3gica incluem amido termopl\u00e1stico, PLA, PHA, etc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Os pl\u00e1sticos degrad\u00e1veis de base petroqu\u00edmica incluem PBAT, PBS, PPC, PCL, etc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Os pl\u00e1sticos biodegrad\u00e1veis referem-se a pl\u00e1sticos que s\u00e3o degradados por microrganismos existentes na natureza em condi\u00e7\u00f5es naturais, como solo ou solo arenoso, sob condi\u00e7\u00f5es espec\u00edficas, como compostagem, digest\u00e3o anaer\u00f3bica ou meio de cultura aquoso, e finalmente completamente degradados em di\u00f3xido de carbono (CO<sub>2<\/sub>) e metano (CH<sub>4<\/sub>), \u00e1gua (H<sub>2<\/sub>O) e os sais inorg\u00e2nicos mineralizados dos seus elementos, bem como nova biomassa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As propriedades dos produtos podem atender aos requisitos de uso. As propriedades permanecem inalteradas durante o per\u00edodo de armazenamento. Ap\u00f3s o uso, os produtos podem ser degradados em subst\u00e2ncias inofensivas em condi\u00e7\u00f5es ambientais naturais. Os principais campos de aplica\u00e7\u00e3o dos pl\u00e1sticos degrad\u00e1veis incluem cobertura morta agr\u00edcola, v\u00e1rios tipos de sacos pl\u00e1sticos para embalagens, sacos de lixo, sacolas de compras em shoppings e utens\u00edlios descart\u00e1veis para alimenta\u00e7\u00e3o.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"970\" src=\"https:\/\/cowinextrusion.com\/wp-content\/uploads\/2023\/01\/Biodegradation-cycle-principle-1024x970.jpg\" alt=\"Princ\u00edpio do ciclo de biodegrada\u00e7\u00e3o\" class=\"wp-image-5249\" srcset=\"https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/Biodegradation-cycle-principle-1024x970.jpg 1024w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/Biodegradation-cycle-principle-300x284.jpg 300w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/Biodegradation-cycle-principle-600x568.jpg 600w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/Biodegradation-cycle-principle-768x727.jpg 768w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/Biodegradation-cycle-principle.jpg 1148w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"373\" src=\"https:\/\/cowinextrusion.com\/wp-content\/uploads\/2023\/01\/Biodegradation-cycle-principle-2-1024x373.jpg\" alt=\"Princ\u00edpio 2 do ciclo de biodegrada\u00e7\u00e3o\" class=\"wp-image-5250\" srcset=\"https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/Biodegradation-cycle-principle-2-1024x373.jpg 1024w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/Biodegradation-cycle-principle-2-300x109.jpg 300w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/Biodegradation-cycle-principle-2-600x218.jpg 600w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/Biodegradation-cycle-principle-2-768x280.jpg 768w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/Biodegradation-cycle-principle-2.jpg 1184w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A fim de aproveitar melhor a oportunidade de mercado, todas as equipes t\u00e9cnicas de P&amp;D da Cowin Extrusion desenvolveram e produziram modelos especiais adequados para PLA, PBAT e outras granula\u00e7\u00f5es de modifica\u00e7\u00e3o de pl\u00e1stico degrad\u00e1vel com base na tecnologia comum de extrusora de rosca dupla, o que melhorou os problemas de baixa velocidade da rosca e baixa capacidade da rosca de arranque de materiais modificados degrad\u00e1veis.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Geralmente existem dois processos de granula\u00e7\u00e3o para pl\u00e1sticos biodegrad\u00e1veis: linha de granula\u00e7\u00e3o de fio com resfriamento a ar e linha de granula\u00e7\u00e3o subaqu\u00e1tica.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>O processo de produ\u00e7\u00e3o da linha de granula\u00e7\u00e3o de fio de resfriamento a ar \u00e9 o seguinte:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Alimentador de rosca dupla\u2014Extrusora de rosca dupla\u2014Troca de tela de placa hidr\u00e1ulica\u2014Cabe\u00e7ote de matriz \u2014Correia transportadora de a\u00e7o inoxid\u00e1vel\u2014Secador\u2014Peletizador\u2014peneira vibrat\u00f3ria<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Este m\u00e9todo de granula\u00e7\u00e3o \u00e9 adotado pela maioria dos fabricantes com alto desempenho de custo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>O processo de produ\u00e7\u00e3o da linha de granula\u00e7\u00e3o subaqu\u00e1tica \u00e9 o seguinte:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Alimentador de rosca dupla - Extrusora de rosca dupla - Troca de tela de placa hidr\u00e1ulica - Peletizador subaqu\u00e1tico - Desidratador centr\u00edfugo - Tanque de \u00e1gua circulante - Peneira vibrat\u00f3ria<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1007\" height=\"543\" src=\"https:\/\/cowinextrusion.com\/wp-content\/uploads\/2023\/01\/production-process-1.jpg\" alt=\"processo de produ\u00e7\u00e3o 1\" class=\"wp-image-5251\" srcset=\"https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/production-process-1.jpg 1007w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/production-process-1-300x162.jpg 300w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/production-process-1-600x324.jpg 600w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/production-process-1-768x414.jpg 768w\" sizes=\"(max-width: 1007px) 100vw, 1007px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"480\" height=\"753\" src=\"https:\/\/cowinextrusion.com\/wp-content\/uploads\/2023\/01\/production-process-2.jpg\" alt=\"processo de produ\u00e7\u00e3o 2\" class=\"wp-image-5252\" srcset=\"https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/production-process-2.jpg 480w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/production-process-2-300x471.jpg 300w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/production-process-2-191x300.jpg 191w\" sizes=\"(max-width: 480px) 100vw, 480px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/cowinextrusion.com\/wp-content\/uploads\/2023\/01\/production-process-3-1024x1001.jpg\" alt=\"processo de produ\u00e7\u00e3o 3\" class=\"wp-image-5253\" width=\"682\" height=\"667\" srcset=\"https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/production-process-3-1024x1001.jpg 1024w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/production-process-3-300x293.jpg 300w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/production-process-3-600x587.jpg 600w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/production-process-3-768x751.jpg 768w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/production-process-3.jpg 1082w\" sizes=\"(max-width: 682px) 100vw, 682px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"684\" height=\"732\" src=\"https:\/\/cowinextrusion.com\/wp-content\/uploads\/2023\/01\/granulating-processes-for-biodegradable-plastics.jpg\" alt=\"processos de granula\u00e7\u00e3o para pl\u00e1sticos biodegrad\u00e1veis\" class=\"wp-image-5245\" srcset=\"https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/granulating-processes-for-biodegradable-plastics.jpg 684w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/granulating-processes-for-biodegradable-plastics-300x321.jpg 300w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/granulating-processes-for-biodegradable-plastics-600x642.jpg 600w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/granulating-processes-for-biodegradable-plastics-280x300.jpg 280w\" sizes=\"(max-width: 684px) 100vw, 684px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">S\u00e9rie Cowin CHT paralela <a href=\"https:\/\/www.cowinextrusion.com\/pt\/co-rotating-twin-screw-extruder\/\" target=\"_blank\" rel=\"noreferrer noopener\">extrusora de parafuso duplo co-rotativa<\/a> produz tiras pl\u00e1sticas degrad\u00e1veis de PLA na correia transportadora de a\u00e7o refrigerada a ar. Existem 18 ventiladores acima da correia transportadora para resfriar as tiras de pl\u00e1stico extrudado por meio de ventiladores e, em seguida, elas s\u00e3o transportadas para o peletizador para completar a granula\u00e7\u00e3o do fio de resfriamento a ar. A linha de granula\u00e7\u00e3o de fio de resfriamento a ar tem baixo custo, equipamento simples e manuten\u00e7\u00e3o conveniente , que \u00e9 selecionado pela maioria dos fabricantes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/www.cowinextrusion.com\/pt\/\" target=\"_blank\" rel=\"noreferrer noopener\">Cowin<\/a><\/strong> A extrus\u00e3o conta n\u00e3o apenas com a linha de produ\u00e7\u00e3o de granula\u00e7\u00e3o para materiais biodegrad\u00e1veis, mas tamb\u00e9m com a linha de produ\u00e7\u00e3o de chapas. Composi\u00e7\u00e3o do equipamento da linha de produ\u00e7\u00e3o de folhas degrad\u00e1veis PLA: extrusora de parafuso duplo co-rotativa, trocador de tela, bomba dosadora de fus\u00e3o, molde, calandra de tr\u00eas rolos, suporte de resfriamento, dispositivo de corte, trator, bobinadeira, etc.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"327\" src=\"https:\/\/cowinextrusion.com\/wp-content\/uploads\/2023\/01\/PLA-PBAT-Sheet-Production-Line-1024x327.jpg\" alt=\"Linha de produ\u00e7\u00e3o de folhas PLA PBAT\" class=\"wp-image-5246\" srcset=\"https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/PLA-PBAT-Sheet-Production-Line-1024x327.jpg 1024w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/PLA-PBAT-Sheet-Production-Line-300x96.jpg 300w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/PLA-PBAT-Sheet-Production-Line-600x192.jpg 600w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/PLA-PBAT-Sheet-Production-Line-768x245.jpg 768w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/PLA-PBAT-Sheet-Production-Line.jpg 1267w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Caracter\u00edsticas da linha de produ\u00e7\u00e3o de chapas degrad\u00e1veis PLA:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Projeto de parafuso duplo adotado, especificamente para \u00e1cido polil\u00e1tico, design de derretimento de amido de milho, visando a particularidade do material por exaust\u00e3o a v\u00e1cuo, forma\u00e7\u00e3o de tr\u00eas rolos, temperatura ajust\u00e1vel do rolo atrav\u00e9s da m\u00e1quina de temperatura da matriz, garante que os produtos n\u00e3o colem, formando produtos no superf\u00edcie de boa cor, boa tenacidade e espessura do posicionamento do medidor com mostrador, o enrolamento adota enrolamento de tens\u00e3o autom\u00e1tico.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/cowinextrusion.com\/wp-content\/uploads\/2023\/01\/PLA-degradable-sheet-production-line-1-1.jpg\" alt=\"Linha de produ\u00e7\u00e3o de folhas degrad\u00e1veis PLA 1\" class=\"wp-image-5257\" width=\"421\" height=\"445\" srcset=\"https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/PLA-degradable-sheet-production-line-1-1.jpg 680w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/PLA-degradable-sheet-production-line-1-1-300x318.jpg 300w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/PLA-degradable-sheet-production-line-1-1-600x635.jpg 600w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/PLA-degradable-sheet-production-line-1-1-283x300.jpg 283w\" sizes=\"(max-width: 421px) 100vw, 421px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"670\" height=\"800\" src=\"https:\/\/cowinextrusion.com\/wp-content\/uploads\/2023\/01\/PLA-degradable-sheet-production-line-2-1.jpg\" alt=\"Linha de produ\u00e7\u00e3o de folhas degrad\u00e1veis PLA 2\" class=\"wp-image-5258\" srcset=\"https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/PLA-degradable-sheet-production-line-2-1.jpg 670w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/PLA-degradable-sheet-production-line-2-1-300x358.jpg 300w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/PLA-degradable-sheet-production-line-2-1-600x716.jpg 600w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/PLA-degradable-sheet-production-line-2-1-251x300.jpg 251w\" sizes=\"(max-width: 670px) 100vw, 670px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/cowinextrusion.com\/wp-content\/uploads\/2023\/01\/PLA-degradable-sheet-production-line-3-1024x768.jpg\" alt=\"Linha de produ\u00e7\u00e3o de folhas degrad\u00e1veis PLA 3\" class=\"wp-image-5243\" srcset=\"https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/PLA-degradable-sheet-production-line-3-1024x768.jpg 1024w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/PLA-degradable-sheet-production-line-3-300x225.jpg 300w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/PLA-degradable-sheet-production-line-3-600x450.jpg 600w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/PLA-degradable-sheet-production-line-3-768x576.jpg 768w, https:\/\/www.cowinextrusion.com\/wp-content\/uploads\/2023\/01\/PLA-degradable-sheet-production-line-3.jpg 1269w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">A linha de produ\u00e7\u00e3o de extrus\u00e3o de chapa PLA \u00e9 aplic\u00e1vel \u00e0 produ\u00e7\u00e3o de PLA e PLA modificado. O PLA \u00e9 derivado de recursos vegetais e pode ser usado diretamente para moldagem por extrus\u00e3o. Devido \u00e0 sua biodegradabilidade, compostabilidade, reciclabilidade e outras caracter\u00edsticas, o PLA e o PLA modificado s\u00e3o amplamente utilizados em inv\u00f3lucros de produtos eletr\u00f4nicos, pe\u00e7as automotivas, instrumentos, fibras de vestu\u00e1rio, cobertura vegetal agr\u00edcola, embalagens de alimentos, talheres e outros campos. \u00c9 um produto de prote\u00e7\u00e3o ambiental de alta tecnologia incentivado pelo pa\u00eds.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>In recent years, with the implementation of the &#8220;plastic ban&#8221;, biodegradable plastics have gradually entered the public&#8217;s vision, which is of vital significance for the development of environmental protection packaging industry. At present, there are about 20 kinds of biodegradable plastics commonly seen in the market, which can be divided into two categories: bio based [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5244,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41],"tags":[],"class_list":["post-5242","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge"],"_links":{"self":[{"href":"https:\/\/www.cowinextrusion.com\/pt\/wp-json\/wp\/v2\/posts\/5242","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cowinextrusion.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cowinextrusion.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cowinextrusion.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cowinextrusion.com\/pt\/wp-json\/wp\/v2\/comments?post=5242"}],"version-history":[{"count":0,"href":"https:\/\/www.cowinextrusion.com\/pt\/wp-json\/wp\/v2\/posts\/5242\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cowinextrusion.com\/pt\/wp-json\/wp\/v2\/media\/5244"}],"wp:attachment":[{"href":"https:\/\/www.cowinextrusion.com\/pt\/wp-json\/wp\/v2\/media?parent=5242"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cowinextrusion.com\/pt\/wp-json\/wp\/v2\/categories?post=5242"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cowinextrusion.com\/pt\/wp-json\/wp\/v2\/tags?post=5242"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}