{"id":2119,"date":"2024-06-05T06:57:45","date_gmt":"2024-06-05T06:57:45","guid":{"rendered":"https:\/\/nylon-granules.com\/?p=2119"},"modified":"2024-06-05T07:36:09","modified_gmt":"2024-06-05T07:36:09","slug":"long-chain-polyamides-gf-pa12-pa612-pa1012","status":"publish","type":"post","link":"https:\/\/nylon-granules.com\/pt\/long-chain-polyamides-gf-pa12-pa612-pa1012\/","title":{"rendered":"Compara\u00e7\u00e3o do desempenho de PA612, PA1012 e PA12 refor\u00e7ados com fibra de vidro"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_75 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u00cdndice<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Alternar o \u00edndice\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Alternar<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nylon-granules.com\/pt\/long-chain-polyamides-gf-pa12-pa612-pa1012\/#What_are_Short-chain_and_Long-chain_Polyamides\" >O que s\u00e3o poliamidas de cadeia curta e de cadeia longa<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nylon-granules.com\/pt\/long-chain-polyamides-gf-pa12-pa612-pa1012\/#PA12_Applications_and_Alternatives\" >PA12 Aplica\u00e7\u00f5es e alternativas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nylon-granules.com\/pt\/long-chain-polyamides-gf-pa12-pa612-pa1012\/#Fuchen_New_Material%E2%80%98s_Research\" >Investiga\u00e7\u00e3o de Fuchen New Material<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nylon-granules.com\/pt\/long-chain-polyamides-gf-pa12-pa612-pa1012\/#Summary_of_Key_Points\" >Resumo dos pontos principais<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nylon-granules.com\/pt\/long-chain-polyamides-gf-pa12-pa612-pa1012\/#Material_Preparation\" >Prepara\u00e7\u00e3o do material<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nylon-granules.com\/pt\/long-chain-polyamides-gf-pa12-pa612-pa1012\/#Main_Results\" >Principais resultados<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_are_Short-chain_and_Long-chain_Polyamides\"><\/span><strong>O que s\u00e3o poliamidas de cadeia curta e de cadeia longa<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>As poliamidas com menos de 10 \u00e1tomos de carbono nas suas cadeias s\u00e3o geralmente designadas por poliamidas de cadeia curta (ou nylons de cadeia curta), como a poliamida 6 (PA6), a poliamida 66 (PA66) e a poliamida 46 (PA46). As poliamidas com 10 ou mais \u00e1tomos de carbono nas suas cadeias s\u00e3o designadas poliamidas de cadeia longa (ou nylons de cadeia longa), como a poliamida 610 (PA610), a poliamida 612 (PA612), a poliamida 1012 (PA1012) e a poliamida 12 (PA12). Devido ao menor teor de liga\u00e7\u00f5es amida nas poliamidas de cadeia longa, estas t\u00eam menor absor\u00e7\u00e3o de \u00e1gua, melhor estabilidade dimensional e melhor ductilidade em compara\u00e7\u00e3o com as poliamidas de cadeia curta.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"PA12_Applications_and_Alternatives\"><\/span><strong><a href=\"https:\/\/nylon-granules.com\/pt\/products\/nylon-12\/\">PA12<\/a> Aplica\u00e7\u00f5es e alternativas<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A PA12, um tipo de poliamida de cadeia longa, \u00e9 utilizada principalmente em componentes autom\u00f3veis, impress\u00e3o 3D, maquinaria e ind\u00fastria aeroespacial. Nos componentes autom\u00f3veis, a PA12 refor\u00e7ada com fibra de vidro (GF) \u00e9 utilizada principalmente em sistemas de linhas de combust\u00edvel, sistemas de evapora\u00e7\u00e3o autom\u00f3vel e conectores r\u00e1pidos. Atualmente, a tecnologia de moldagem por inje\u00e7\u00e3o de PA12 e dos seus materiais modificados \u00e9 detida principalmente por empresas de modifica\u00e7\u00e3o estrangeiras, como a Arkema em Fran\u00e7a, a Evonik na Alemanha e a Ube Industries no Jap\u00e3o. Embora tenha sido efectuada investiga\u00e7\u00e3o nacional sobre as resinas PA12 e os seus materiais modificados, ainda n\u00e3o existe produ\u00e7\u00e3o industrial de resinas PA12 na China. Por conseguinte, o pre\u00e7o dos materiais PA12 na China \u00e9 ainda muito elevado, pelo que a investiga\u00e7\u00e3o e o desenvolvimento de materiais alternativos PA12 t\u00eam uma import\u00e2ncia pr\u00e1tica significativa. Al\u00e9m disso, as poliamidas de cadeia longa fabricadas a partir de materiais parcial ou totalmente de base biol\u00f3gica, como a PA610, a PA612 e a PA1012, apresentam vantagens ambientais em rela\u00e7\u00e3o \u00e0 PA12, que \u00e9 derivada de combust\u00edveis f\u00f3sseis n\u00e3o renov\u00e1veis.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Fuchen_New_Material%E2%80%98s_Research\"><\/span><strong><a href=\"https:\/\/nylon-granules.com\/pt\/\">Fuchen New Material<\/a>Investiga\u00e7\u00e3o de<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A Fuchen New Material comparou as propriedades de tr\u00eas materiais: PA612 refor\u00e7ado com GF30, PA1012 e PA12, todos com um teor de fibra de vidro de 30%. Tamb\u00e9m realizaram uma produ\u00e7\u00e3o experimental no molde de um conetor r\u00e1pido de linha de combust\u00edvel autom\u00f3vel produzido em massa para comparar o desempenho destes materiais. Esta investiga\u00e7\u00e3o fornece uma base para o desenvolvimento subsequente de alternativas aos materiais PA12\/GF30 utilizando outros tipos de poliamidas refor\u00e7adas de cadeia longa.<\/p>\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1893849392\">\n\t\t<a class=\"\" href=\"https:\/\/nylon-granules.com\/pt\/products\/nylon-612\/pa612-gf30\/\" >\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1020\" height=\"623\" src=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/PA612-GF-1024x625.jpg\" class=\"attachment-large size-large\" alt=\"PA612 GF\" srcset=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/PA612-GF-1024x625.jpg 1024w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/PA612-GF-300x183.jpg 300w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/PA612-GF-768x469.jpg 768w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/PA612-GF-18x12.jpg 18w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/PA612-GF-600x366.jpg 600w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/PA612-GF.jpg 1201w\" sizes=\"auto, (max-width: 1020px) 100vw, 1020px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_1893849392 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n<h2><span class=\"ez-toc-section\" id=\"Summary_of_Key_Points\"><\/span><strong>Resumo dos pontos principais<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>(1) A resist\u00eancia \u00e0 tra\u00e7\u00e3o, a resist\u00eancia \u00e0 flex\u00e3o e o m\u00f3dulo de elasticidade \u00e0 flex\u00e3o dos materiais PA612\/GF30 s\u00e3o os melhores, seguidos dos materiais PA1012\/GF30 e os piores s\u00e3o os materiais PA12\/GF30. No entanto, quer se trate da resist\u00eancia ao impacto do entalhe \u00e0 temperatura ambiente ou a baixa temperatura, o material PA1012\/GF30 \u00e9 o melhor, o material PA12\/GF30 \u00e9 o segundo e o material PA612\/GF30 \u00e9 o pior.<\/p>\n<p>(2) A ordem de densidade do material, temperatura de deforma\u00e7\u00e3o t\u00e9rmica e ponto de fus\u00e3o de alto a baixo \u00e9. PA612\/GF30, PA1012\/GF30, PA12\/GF30: A taxa de encolhimento das tr\u00eas poliamidas de cadeia longa refor\u00e7adas com GF \u00e9 a mesma, e a taxa de absor\u00e7\u00e3o de \u00e1gua \u00e9 baixa, o que n\u00e3o \u00e9 muito diferente, mas a apar\u00eancia dos produtos injectados a partir do material PA1012\/GF30 \u00e9 melhor do que a do PA612\/GF30.<\/p>\n<p>(3) Com base no desempenho do material e na situa\u00e7\u00e3o de moldagem por inje\u00e7\u00e3o, o material PA1012\/GF30 \u00e9 a alternativa mais econ\u00f3mica ao material PA12\/GF30.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Material_Preparation\"><\/span><strong>Prepara\u00e7\u00e3o do material<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>As mat\u00e9rias-primas PA612 e PA1012 foram secas a 100 \u2103 por 4h, e os materiais relevantes foram pesados de acordo com a propor\u00e7\u00e3o da matriz de resina, GF e fra\u00e7\u00f5es de massa antioxidante de 69,8% e 30% de 0,2%, respetivamente. A resina e o antioxidante foram primeiro adicionados ao misturador vertical e misturados uniformemente, e depois adicionados \u00e0 extrusora de parafuso duplo co-direcional. Derreter e espremer, GF \u00e9 adicionado por alimenta\u00e7\u00e3o lateral.Em seguida, as tiras extrudidas s\u00e3o arrefecidas por \u00e1gua e secas por um secador de cabelo, e as pelotas s\u00e3o granuladas por um granulador.A temperatura da sec\u00e7\u00e3o de alimenta\u00e7\u00e3o da extrusora \u00e9 de 230~250\u2103, a temperatura da sec\u00e7\u00e3o de fus\u00e3o \u00e9 de 210~230\u2103, a temperatura da sec\u00e7\u00e3o da cabe\u00e7a \u00e9 de 230~250\u2103, e a velocidade do parafuso hospedeiro \u00e9 de 350~380r\/h.<\/p>\n<p>Depois que os pellets preparados s\u00e3o secos, um spline padr\u00e3o \u00e9 preparado por uma m\u00e1quina de moldagem por inje\u00e7\u00e3o.A temperatura \u00e9 de 230 \uff5e 260 \u2103, a descompress\u00e3o \u00e9 de 80mpa e o tempo \u00e9 de 35s.Drop P12 \/ GF30 a 100 \u2103 por 4 horas.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Main_Results\"><\/span><strong>Principais resultados<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>(1) Propriedades mec\u00e2nicas<\/p>\n<p>A imagem abaixo mostra o desempenho de aumento de for\u00e7a descrito por GF. A resist\u00eancia \u00e0 tra\u00e7\u00e3o, a resist\u00eancia \u00e0 flex\u00e3o e o m\u00f3dulo de elasticidade \u00e0 flex\u00e3o dos materiais PA612\/GF30 s\u00e3o os melhores, seguidos pelos materiais PA1012\/GF30, e os piores s\u00e3o os materiais PA12\/GF30. A resist\u00eancia \u00e0 tra\u00e7\u00e3o, a resist\u00eancia \u00e0 flex\u00e3o e o m\u00f3dulo de elasticidade \u00e0 flex\u00e3o do material PA612\/GF30 s\u00e3o 50, 50MPa e 1 200 MPa superiores aos do material PA12\/GF30, respetivamente.A resist\u00eancia \u00e0 tra\u00e7\u00e3o, a resist\u00eancia \u00e0 flex\u00e3o e o m\u00f3dulo de elasticidade \u00e0 flex\u00e3o do material PA1012\/GF30 s\u00e3o 16, 15MPa e 400MPa superiores aos do material PA12\/GF30, respetivamente. No entanto, quer se trate da resist\u00eancia ao impacto do entalhe \u00e0 temperatura ambiente ou a baixa temperatura, o material PA1012\/GF30 \u00e9 o melhor, o material PA12\/GF30 \u00e9 o segundo e o PA612\/GF30 \u00e9 o pior.<\/p>\n\t<div class=\"box has-hover   has-hover box-text-bottom\" >\n\n\t\t<div class=\"box-image\" >\n\t\t\t\t\t\t<div class=\"\" >\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"840\" src=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Bending-elastic-modulus.webp\" class=\"attachment- size-\" alt=\"M\u00f3dulo de elasticidade \u00e0 flex\u00e3o\" srcset=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Bending-elastic-modulus.webp 1080w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Bending-elastic-modulus-300x233.webp 300w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Bending-elastic-modulus-1024x796.webp 1024w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Bending-elastic-modulus-768x597.webp 768w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Bending-elastic-modulus-15x12.webp 15w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Bending-elastic-modulus-600x467.webp 600w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/>\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\t<div class=\"box-text text-center\" >\n\t\t\t<div class=\"box-text-inner\">\n\t\t\t\t\n<h4>Compara\u00e7\u00e3o do m\u00f3dulo el\u00e1stico de flex\u00e3o<\/h4>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div class=\"box has-hover   has-hover box-text-bottom\" >\n\n\t\t<div class=\"box-image\" >\n\t\t\t\t\t\t<div class=\"\" >\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"912\" src=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Bending-strength.webp\" class=\"attachment- size-\" alt=\"Resist\u00eancia \u00e0 flex\u00e3o\" srcset=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Bending-strength.webp 1080w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Bending-strength-300x253.webp 300w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Bending-strength-1024x865.webp 1024w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Bending-strength-768x649.webp 768w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Bending-strength-14x12.webp 14w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Bending-strength-600x507.webp 600w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/>\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\t<div class=\"box-text text-center\" >\n\t\t\t<div class=\"box-text-inner\">\n\t\t\t\t\n<h4>Compara\u00e7\u00e3o da resist\u00eancia \u00e0 flex\u00e3o<\/h4>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div class=\"box has-hover   has-hover box-text-bottom\" >\n\n\t\t<div class=\"box-image\" >\n\t\t\t\t\t\t<div class=\"\" >\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"923\" src=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Notch-impact-strength.webp\" class=\"attachment- size-\" alt=\"Resist\u00eancia ao impacto do entalhe\" srcset=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Notch-impact-strength.webp 1080w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Notch-impact-strength-300x256.webp 300w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Notch-impact-strength-1024x875.webp 1024w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Notch-impact-strength-768x656.webp 768w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Notch-impact-strength-14x12.webp 14w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Notch-impact-strength-600x513.webp 600w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/>\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\t<div class=\"box-text text-center\" >\n\t\t\t<div class=\"box-text-inner\">\n\t\t\t\t\n<h4>Compara\u00e7\u00e3o da resist\u00eancia ao impacto do entalhe<\/h4>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div class=\"box has-hover   has-hover box-text-bottom\" >\n\n\t\t<div class=\"box-image\" >\n\t\t\t\t\t\t<div class=\"\" >\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"919\" src=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Tensile-strength.webp\" class=\"attachment- size-\" alt=\"Resist\u00eancia \u00e0 tra\u00e7\u00e3o\" srcset=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Tensile-strength.webp 1080w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Tensile-strength-300x255.webp 300w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Tensile-strength-1024x871.webp 1024w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Tensile-strength-768x654.webp 768w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Tensile-strength-14x12.webp 14w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Tensile-strength-600x511.webp 600w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/>\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\t<div class=\"box-text text-center\" >\n\t\t\t<div class=\"box-text-inner\">\n\t\t\t\t\n<h4>Compara\u00e7\u00e3o da resist\u00eancia \u00e0 tra\u00e7\u00e3o<\/h4>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"gap-1638089497\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1638089497 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n<p>A estrutura molecular de diferentes poliamidas de cadeia longa \u00e9 mostrada na figura abaixo. \u00c0 medida que o conte\u00fado do grupo amida aumenta, a simetria da cadeia molecular aumenta e a cristalinidade aumenta, a sua resist\u00eancia tamb\u00e9m aumenta; pelo contr\u00e1rio, \u00e0 medida que o conte\u00fado do grupo amida diminui (o aumento do grupo metilo na cadeia molecular da poliamida), a resist\u00eancia diminui gradualmente e a conformidade aumenta.<\/p>\n\t<div class=\"box has-hover   has-hover box-text-bottom\" >\n\n\t\t<div class=\"box-image\" >\n\t\t\t\t\t\t<div class=\"\" >\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"417\" src=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/5.webp\" class=\"attachment- size-\" alt=\"Estrutura da AP\" srcset=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/5.webp 1080w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/5-300x116.webp 300w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/5-1024x395.webp 1024w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/5-768x297.webp 768w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/5-18x7.webp 18w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/5-600x232.webp 600w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/>\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\t<div class=\"box-text text-center\" >\n\t\t\t<div class=\"box-text-inner\">\n\t\t\t\t\n<h4>a\u2014PA12\uff1bb\u2014PA1012\uff1bc\u2014PA612<\/h4>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t\n<p>(2) Na aplica\u00e7\u00e3o pr\u00e1tica de pl\u00e1sticos de engenharia, especialmente para os materiais circundantes de pe\u00e7as de motores de autom\u00f3veis, aten\u00e7\u00e3o especial deve ser dada \u00e0 temperatura de deforma\u00e7\u00e3o t\u00e9rmica dos materiais, a imagem abaixo mostra a temperatura de deforma\u00e7\u00e3o t\u00e9rmica de diferentes poliamidas de cadeia longa refor\u00e7adas com GF.Pode ser visto que a maior temperatura de deforma\u00e7\u00e3o t\u00e9rmica do material PA612 \/ GF30 \u00e9 185 \u2103, seguida pelo material PA1012 \/ GF30, que \u00e9 175 \u2103, e o pior \u00e9 o material PA12 \/ GF30, que \u00e9 160 \u2103. Isso pode ser devido ao fato de que PA612 tem o maior teor de amida e a maior cristalinidade, resultando na maior temperatura de deforma\u00e7\u00e3o t\u00e9rmica. temperatura de deforma\u00e7\u00e3o t\u00e9rmica significa que o material pode ser usado em pe\u00e7as automotivas com requisitos de temperatura mais elevados.<\/p>\n\t<div class=\"box has-hover   has-hover box-text-bottom\" >\n\n\t\t<div class=\"box-image\" >\n\t\t\t\t\t\t<div class=\"\" >\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"883\" src=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Thermal-deformation-temperature.webp\" class=\"attachment- size-\" alt=\"\" srcset=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Thermal-deformation-temperature.webp 1080w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Thermal-deformation-temperature-300x245.webp 300w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Thermal-deformation-temperature-1024x837.webp 1024w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Thermal-deformation-temperature-768x628.webp 768w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Thermal-deformation-temperature-15x12.webp 15w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Thermal-deformation-temperature-600x491.webp 600w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\">\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\t<div class=\"box-text text-center\" >\n\t\t\t<div class=\"box-text-inner\">\n\t\t\t\t\n<h4>Deforma\u00e7\u00e3o t\u00e9rmica Compara\u00e7\u00e3o de temperaturas<\/h4>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"gap-1361310337\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1361310337 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n<p>(3) Compara\u00e7\u00e3o de produtos moldados por inje\u00e7\u00e3o reais<\/p>\n<p>Tomando como exemplo um produto de moldagem por inje\u00e7\u00e3o de acoplamento r\u00e1pido de um sistema de evapora\u00e7\u00e3o autom\u00f3vel, a qualidade de moldagem de tr\u00eas materiais de poliamida de cadeia longa refor\u00e7ados com GF foi comparada na m\u00e1quina de moldagem por inje\u00e7\u00e3o. O processo de moldagem por inje\u00e7\u00e3o \u00e9 mostrado no Quadro 1. O Quadro 2 mostra a compara\u00e7\u00e3o real da qualidade de moldagem de diferentes produtos moldados por inje\u00e7\u00e3o de poliamida de cadeia longa refor\u00e7ada com GF. Como se pode ver no Quadro 2, as dimens\u00f5es do PA612\/GF30 e do PA1012\/GF30 satisfazem os requisitos do cliente, mas o aspeto do PA1012\/GF30 \u00e9 melhor do que o do PA612\/GF30. Sob as mesmas condi\u00e7\u00f5es de moldagem por inje\u00e7\u00e3o, a fluidez do material PA1012\/GF30 \u00e9 melhor. Al\u00e9m disso, os produtos feitos por PA1012\/GF30 s\u00e3o 0,1g mais pesados do que os produtos feitos por PA12\/GF30, enquanto os produtos feitos por PA612\/GF30 s\u00e3o 0,5g mais pesados do que os produtos feitos por PA12\/GF30.<\/p>","protected":false},"excerpt":{"rendered":"<p>O que s\u00e3o poliamidas de cadeia curta e de cadeia longa As poliamidas com menos de 10 \u00e1tomos de carbono nas suas cadeias s\u00e3o geralmente designadas por poliamidas de cadeia curta (ou nylons de cadeia curta), como a poliamida 6 (PA6), a poliamida 66 (PA66) e a poliamida 46 (PA46). As poliamidas com 10 ou mais \u00e1tomos de carbono nas suas cadeias s\u00e3o designadas poliamidas de cadeia longa (ou nylons de cadeia longa), [...]","protected":false},"author":1,"featured_media":2131,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2119","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/nylon-granules.com\/pt\/wp-json\/wp\/v2\/posts\/2119","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nylon-granules.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nylon-granules.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nylon-granules.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nylon-granules.com\/pt\/wp-json\/wp\/v2\/comments?post=2119"}],"version-history":[{"count":5,"href":"https:\/\/nylon-granules.com\/pt\/wp-json\/wp\/v2\/posts\/2119\/revisions"}],"predecessor-version":[{"id":2132,"href":"https:\/\/nylon-granules.com\/pt\/wp-json\/wp\/v2\/posts\/2119\/revisions\/2132"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nylon-granules.com\/pt\/wp-json\/wp\/v2\/media\/2131"}],"wp:attachment":[{"href":"https:\/\/nylon-granules.com\/pt\/wp-json\/wp\/v2\/media?parent=2119"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nylon-granules.com\/pt\/wp-json\/wp\/v2\/categories?post=2119"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nylon-granules.com\/pt\/wp-json\/wp\/v2\/tags?post=2119"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}