{"id":14697,"date":"2026-05-23T08:45:42","date_gmt":"2026-05-23T08:45:42","guid":{"rendered":"https:\/\/tenessy.com\/?p=14697"},"modified":"2026-05-23T08:47:24","modified_gmt":"2026-05-23T08:47:24","slug":"differences-in-physical-properties-between-needle-like-and-powdered-sodium-lauryl-sulfate-crystals-and-their-impact-on-processing-performance","status":"publish","type":"post","link":"https:\/\/tenessy.com\/pt\/diferencas-nas-propriedades-fisicas-entre-cristais-de-lauril-sulfato-de-sodio-em-po-e-em-forma-de-agulha-e-seu-impacto-no-desempenho-do-processamento\/","title":{"rendered":"Diferen\u00e7as nas propriedades f\u00edsicas entre cristais de lauril sulfato de s\u00f3dio em p\u00f3 e em forma de agulha e seu impacto no desempenho do processamento"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"14697\" class=\"elementor elementor-14697\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fdbc6e4 e-con-full e-flex e-con e-parent\" data-id=\"fdbc6e4\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5ae54ec elementor-widget elementor-widget-text-editor\" data-id=\"5ae54ec\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\"><a href=\"https:\/\/tenessy.com\/sodium-lauryl-sulfate-sds-k12\/\">Lauril Sulfato de S\u00f3dio<\/a> (SLS, tamb\u00e9m conhecido como K12), um dos surfactantes ani\u00f4nicos mais usados, ocupa uma posi\u00e7\u00e3o insubstitu\u00edvel em produtos de cuidados pessoais, detergentes dom\u00e9sticos, limpadores industriais e polimeriza\u00e7\u00e3o de emuls\u00e3o de pol\u00edmeros. Com sua excelente deterg\u00eancia, poder de forma\u00e7\u00e3o de espuma e propriedades emulsificantes, esse tensoativo serve como um componente funcional essencial em v\u00e1rias formula\u00e7\u00f5es.<\/span><\/p><p class=\"ds-markdown-paragraph\"><span class=\"\">No entanto, durante o processo de aquisi\u00e7\u00e3o e sele\u00e7\u00e3o, surge um ponto de decis\u00e3o t\u00e9cnica comum, por\u00e9m cr\u00edtico:\u00a0<\/span><strong><span class=\"\">Que diferen\u00e7as as duas principais formas f\u00edsicas do K12 - cristais em forma de agulha e cristais em p\u00f3 - realmente fazem nas aplica\u00e7\u00f5es de downstream?<\/span><\/strong><span class=\"\">\u00a0Os custos ocultos al\u00e9m do pre\u00e7o de compra, como a compatibilidade do processo, a perda de material e a estabilidade da formula\u00e7\u00e3o, geralmente dependem dessa escolha.<\/span><\/p><p class=\"ds-markdown-paragraph\"><span class=\"\">Este artigo compara sistematicamente as diferen\u00e7as de aplica\u00e7\u00e3o entre o K12 em forma de agulha e o K12 em p\u00f3 a partir de quatro dimens\u00f5es: princ\u00edpios de cristaliza\u00e7\u00e3o, caracter\u00edsticas de engenharia do p\u00f3, cin\u00e9tica de dissolu\u00e7\u00e3o e compatibilidade t\u00edpica do processo, fornecendo aos formuladores e tomadores de decis\u00e3o de compras uma base de sele\u00e7\u00e3o cient\u00edfica e quantific\u00e1vel.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bbece77 elementor-widget elementor-widget-heading\" data-id=\"bbece77\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">I. Mesma qu\u00edmica, morfologia diferente<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ffaca79 e-grid e-con-boxed e-con e-child\" data-id=\"ffaca79\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7f10bfd elementor-widget elementor-widget-image\" data-id=\"7f10bfd\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/tenessy.com\/wp-content\/uploads\/2026\/05\/Sodium-Lauryl-Sulfate-powder-product-1-1024x683.jpg\" class=\"attachment-large size-large wp-image-14646\" alt=\"Sodium-Lauryl-Sulfate-powder-product\" srcset=\"https:\/\/tenessy.com\/wp-content\/uploads\/2026\/05\/Sodium-Lauryl-Sulfate-powder-product-1-1024x683.jpg 1024w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/05\/Sodium-Lauryl-Sulfate-powder-product-1-300x200.jpg 300w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/05\/Sodium-Lauryl-Sulfate-powder-product-1-768x512.jpg 768w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/05\/Sodium-Lauryl-Sulfate-powder-product-1-1536x1024.jpg 1536w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/05\/Sodium-Lauryl-Sulfate-powder-product-1-2048x1365.jpg 2048w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/05\/Sodium-Lauryl-Sulfate-powder-product-1-18x12.jpg 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fe3c70b elementor-widget elementor-widget-image\" data-id=\"fe3c70b\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/tenessy.com\/wp-content\/uploads\/2026\/05\/Sodium-Lauryl-Sulfate-needle-1024x683.jpg\" class=\"attachment-large size-large wp-image-14644\" alt=\"Agulha de Lauril-Sulfato de S\u00f3dio\" srcset=\"https:\/\/tenessy.com\/wp-content\/uploads\/2026\/05\/Sodium-Lauryl-Sulfate-needle-1024x683.jpg 1024w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/05\/Sodium-Lauryl-Sulfate-needle-300x200.jpg 300w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/05\/Sodium-Lauryl-Sulfate-needle-768x512.jpg 768w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/05\/Sodium-Lauryl-Sulfate-needle-1536x1024.jpg 1536w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/05\/Sodium-Lauryl-Sulfate-needle-2048x1365.jpg 2048w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/05\/Sodium-Lauryl-Sulfate-needle-18x12.jpg 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-740e220 elementor-widget elementor-widget-text-editor\" data-id=\"740e220\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">Em n\u00edvel molecular, o K12 em p\u00f3 e o K12 em forma de agulha compartilham uma estrutura qu\u00edmica id\u00eantica (CH\u2083(CH\u2082)\u2081\u2080CH\u2082OSO\u2083Na), e ambos atingem um teor de mat\u00e9ria ativa de mais de 90% (normalmente 92%-94%). A diferen\u00e7a fundamental est\u00e1 em\u00a0<\/span><strong><span class=\"\">morfologia do cristal e formato da part\u00edcula<\/span><\/strong><span class=\"\">que \u00e9 determinado pela escolha do processo de p\u00f3s-tratamento.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-77a9de1 elementor-widget elementor-widget-heading\" data-id=\"77a9de1\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1. Cristais em p\u00f3: Processo de secagem por spray<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d7524a3 elementor-widget elementor-widget-text-editor\" data-id=\"d7524a3\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">O K12 em p\u00f3 \u00e9 normalmente produzido por meio de\u00a0<\/span><strong><span class=\"\">secagem por pulveriza\u00e7\u00e3o<\/span><\/strong><span class=\"\">. O l\u00edquido K12 \u00e9 atomizado sob alta press\u00e3o e pulverizado em uma torre de secagem de alta temperatura, onde a umidade da superf\u00edcie evapora rapidamente, formando uma camada oca e porosa.\u00a0<\/span><strong><span class=\"\">part\u00edculas amorfas<\/span><\/strong><span class=\"\">. A morfologia microsc\u00f3pica \u00e9 irregular com uma superf\u00edcie \u00e1spera, resultando em uma \u00e1rea de superf\u00edcie espec\u00edfica significativamente maior.<\/span><\/p><p class=\"ds-markdown-paragraph\"><span class=\"\">Esse processo oferece alta efici\u00eancia e grande capacidade de produ\u00e7\u00e3o. No entanto, a morfologia desordenada das part\u00edculas leva a uma maior\u00a0<\/span><strong><span class=\"\">energia livre de superf\u00edcie<\/span><\/strong><span class=\"\">tornando o produto altamente higrosc\u00f3pico em condi\u00e7\u00f5es de umidade ambiente.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-94c881f elementor-widget elementor-widget-heading\" data-id=\"94c881f\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2. Cristais em forma de agulha: Processo de cristaliza\u00e7\u00e3o<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-74f70a6 elementor-widget elementor-widget-text-editor\" data-id=\"74f70a6\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">O K12 em forma de agulha \u00e9 produzido por meio de\u00a0<\/span><strong><span class=\"\">cristaliza\u00e7\u00e3o por resfriamento<\/span><\/strong><span class=\"\">\u00a0ou\u00a0<\/span><strong><span class=\"\">cristaliza\u00e7\u00e3o por solvente<\/span><\/strong><span class=\"\">. Sob gradientes de temperatura controlados e condi\u00e7\u00f5es de supersatura\u00e7\u00e3o, as mol\u00e9culas de K12 se empilham de maneira ordenada ao longo de planos cristalinos espec\u00edficos, crescendo em\u00a0<\/span><strong><span class=\"\">cristais em forma de agulha<\/span><\/strong><span class=\"\">\u00a0com uma orienta\u00e7\u00e3o unidimensional dominante. Esses cristais s\u00e3o densos, t\u00eam superf\u00edcies lisas e apresentam estabilidade termodin\u00e2mica superior.<\/span><\/p><p class=\"ds-markdown-paragraph\"><span class=\"\">Em compara\u00e7\u00e3o com o p\u00f3 amorfo, o arranjo regular da rede de cristais em forma de agulha se manifesta macroscopicamente como energia livre de superf\u00edcie mais baixa e maior resist\u00eancia \u00e0 absor\u00e7\u00e3o de umidade. Essa caracter\u00edstica estrutural influencia profundamente o comportamento do processamento downstream.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0c8fd91 elementor-widget elementor-widget-heading\" data-id=\"0c8fd91\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">II.  Comportamento de dissolu\u00e7\u00e3o e compatibilidade de processos<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c7729ed elementor-widget elementor-widget-text-editor\" data-id=\"c7729ed\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">Para os fabricantes de formula\u00e7\u00f5es l\u00edquidas, o\u00a0<\/span><strong><span class=\"\">taxa de dissolu\u00e7\u00e3o<\/span><\/strong><span class=\"\">\u00a0e\u00a0<\/span><strong><span class=\"\">dispersibilidade<\/span><\/strong><span class=\"\">\u00a0de K12 em sistemas aquosos determinam diretamente a uniformidade do lote, o tempo do ciclo de produ\u00e7\u00e3o e o consumo de energia. Isso representa a diverg\u00eancia de aplica\u00e7\u00e3o mais significativa entre a K12 em forma de agulha e a K12 em p\u00f3.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0506129 elementor-widget elementor-widget-heading\" data-id=\"0506129\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1.  Tend\u00eancia de aglomera\u00e7\u00e3o da K12 em p\u00f3: forma\u00e7\u00e3o de \"olhos de peixe\"<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a4bdde9 elementor-widget elementor-widget-text-editor\" data-id=\"a4bdde9\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\"><p class=\"ds-markdown-paragraph\"><span class=\"\">Devido ao seu tamanho de part\u00edcula fina, superf\u00edcie \u00e1spera e grande \u00e1rea de superf\u00edcie espec\u00edfica, o K12 em p\u00f3 sofre umedecimento preferencial da superf\u00edcie quando introduzido em um meio aquoso, formando uma camada de gel de alta viscosidade. Essa camada de gel evita que a \u00e1gua penetre no interior da part\u00edcula, prendendo os n\u00facleos n\u00e3o dissolvidos e formando uma camada de gel transl\u00facida.\u00a0<\/span><strong><span class=\"\">aglomerados coloidais<\/span><\/strong><span class=\"\">-comumente conhecido como \"<\/span><strong><span class=\"\">olhos de peixe<\/span><\/strong><span class=\"\">\" no setor.<\/span><\/p><p class=\"ds-markdown-paragraph\"><span class=\"\">A forma\u00e7\u00e3o de olhos de peixe traz tr\u00eas consequ\u00eancias negativas:<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Tempo de dissolu\u00e7\u00e3o prolongado<\/span><\/strong><span class=\"\">: Requer mistura de alto cisalhamento e aquecimento (normalmente acima de 40\u00b0C) para quebrar a camada de gel, aumentando significativamente o consumo de energia.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">N\u00e3o uniformidade do lote<\/span><\/strong><span class=\"\">: As part\u00edculas residuais n\u00e3o dissolvidas podem comprometer a clareza do produto e causar flutua\u00e7\u00f5es na concentra\u00e7\u00e3o efetiva.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Entupimento do filtro<\/span><\/strong><span class=\"\">: Durante a filtragem antes do enchimento, os olhos de peixe tendem a entupir os cartuchos de filtro, interrompendo a produ\u00e7\u00e3o.<\/span><\/p><\/li><\/ul><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-00775b3 elementor-widget elementor-widget-heading\" data-id=\"00775b3\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2. Dispers\u00e3o r\u00e1pida de K12 em forma de agulha: uma vantagem da engenharia de part\u00edculas<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-77e4b92 elementor-widget elementor-widget-text-editor\" data-id=\"77e4b92\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">A estrutura cristalina alongada do K12 em forma de agulha proporciona excelente\u00a0<\/span><strong><span class=\"\">dispersibilidade aquosa<\/span><\/strong><span class=\"\">. Os mecanismos s\u00e3o os seguintes:<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Baixa densidade aparente e alta porosidade<\/span><\/strong><span class=\"\">: As part\u00edculas em forma de agulha formam uma camada pouco compactada, permitindo que a \u00e1gua penetre rapidamente nos espa\u00e7os vazios entre as part\u00edculas, evitando a forma\u00e7\u00e3o instant\u00e2nea de uma camada de gel na superf\u00edcie.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Umecta\u00e7\u00e3o anisotr\u00f3pica<\/span><\/strong><span class=\"\">: Os cristais em forma de agulha exibem diferentes energias de superf\u00edcie ao longo de seu eixo longo em compara\u00e7\u00e3o com as dire\u00e7\u00f5es transversais, levando a um alinhamento preferencial na fase l\u00edquida e a uma tend\u00eancia reduzida de formar redes de aglomerados tridimensionais.<\/span><\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\"><span class=\"\">Os dados experimentais indicam que, na mesma temperatura (25 \u00b0C) e taxa de agita\u00e7\u00e3o, o tempo de dissolu\u00e7\u00e3o completa do K12 tipo agulha \u00e9 normalmente\u00a0<\/span><strong><span class=\"\">40%-60% mais curto<\/span><\/strong><span class=\"\">\u00a0do que a K12 em p\u00f3, obtendo uma dispers\u00e3o homog\u00eanea sem aquecimento. Essa caracter\u00edstica tem um valor significativo para formula\u00e7\u00f5es sens\u00edveis ao calor (por exemplo, xampus que cont\u00eam extratos bot\u00e2nicos) e para a produ\u00e7\u00e3o com efici\u00eancia energ\u00e9tica.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9b2cd0b e-flex e-con-boxed e-con e-parent\" data-id=\"9b2cd0b\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-47b4288 elementor-widget elementor-widget-heading\" data-id=\"47b4288\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">III. Caracter\u00edsticas de engenharia do p\u00f3: Armazenamento, transporte e perda de material<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a4a0041 elementor-widget elementor-widget-text-editor\" data-id=\"a4a0041\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">Al\u00e9m do comportamento de dissolu\u00e7\u00e3o, as propriedades do p\u00f3 do K12 tamb\u00e9m afetam o armazenamento de mat\u00e9ria-prima, o transporte na f\u00e1brica e a precis\u00e3o da dosagem. A compara\u00e7\u00e3o \u00e9 feita abaixo a partir de tr\u00eas dimens\u00f5es de engenharia:\u00a0<\/span><strong><span class=\"\">fluidez, higroscopicidade\/tend\u00eancia \u00e0 aglomera\u00e7\u00e3o e controle de poeira<\/span><\/strong><span class=\"\">.<\/span><\/p><div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\"><table><thead><tr><th><span class=\"\">Propriedade<\/span><\/th><th><span class=\"\">Tipo agulha K12<\/span><\/th><th><span class=\"\">K12 em p\u00f3<\/span><\/th><th><span class=\"\">Impacto na produ\u00e7\u00e3o<\/span><\/th><\/tr><\/thead><tbody><tr><td><strong><span class=\"\">Densidade aparente (solta)<\/span><\/strong><\/td><td><span class=\"\">Aprox. 0,30-0,40 g\/cm\u00b3<\/span><\/td><td><span class=\"\">Aprox. 0,15-0,25 g\/cm\u00b3<\/span><\/td><td><span class=\"\">Os cristais em forma de agulha reduzem os custos de embalagem e transporte; desvio de dosagem volum\u00e9trica menor<\/span><\/td><\/tr><tr><td><strong><span class=\"\">\u00c2ngulo de repouso (indicador de fluidez)<\/span><\/strong><\/td><td><span class=\"\">30\u00b0-35\u00b0 (excelente)<\/span><\/td><td><span class=\"\">40\u00b0-50\u00b0 (ruim)<\/span><\/td><td><span class=\"\">Os cristais em forma de agulha s\u00e3o descarregados suavemente dos funis com o m\u00ednimo de ponte ou ades\u00e3o \u00e0 parede<\/span><\/td><\/tr><tr><td><strong><span class=\"\">Higroscopicidade (80% RH, 30\u00b0C)<\/span><\/strong><\/td><td><span class=\"\">Ganho de peso &lt; 2%\/24h<\/span><\/td><td><span class=\"\">Ganho de peso 5%-8%\/24h<\/span><\/td><td><span class=\"\">A forma em p\u00f3 absorve prontamente a umidade e a forma\u00e7\u00e3o de bolhas, levando \u00e0 perda de material e a erros de dosagem<\/span><\/td><\/tr><tr><td><strong><span class=\"\">Gera\u00e7\u00e3o de poeira<\/span><\/strong><\/td><td><span class=\"\">Baixo (part\u00edculas grossas)<\/span><\/td><td><span class=\"\">Alta (alto teor de finos)<\/span><\/td><td><span class=\"\">A poeira aumenta o risco de exposi\u00e7\u00e3o do operador; requer um sistema de extra\u00e7\u00e3o de poeira<\/span><\/td><\/tr><\/tbody><\/table><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f17f0e elementor-widget elementor-widget-heading\" data-id=\"1f17f0e\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1. Fluidez e adequa\u00e7\u00e3o \u00e0 dosagem automatizada<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bdbd11f elementor-widget elementor-widget-text-editor\" data-id=\"bdbd11f\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">A morfologia regular e as faces cristalinas lisas do K12 em forma de agulha proporcionam\u00a0<\/span><strong><span class=\"\">excelente fluidez<\/span><\/strong><span class=\"\">com um \u00e2ngulo de repouso normalmente abaixo de 35\u00b0, o que o torna adequado para\u00a0<\/span><strong><span class=\"\">sistemas automatizados de alimenta\u00e7\u00e3o por perda de peso<\/span><\/strong><span class=\"\">\u00a0e\u00a0<\/span><strong><span class=\"\">sistemas de transporte pneum\u00e1tico<\/span><\/strong><span class=\"\">. Por outro lado, o K12 em p\u00f3, devido ao alto atrito entre as part\u00edculas e \u00e0 tend\u00eancia de forma\u00e7\u00e3o de pontes, geralmente requer dispositivos vibrat\u00f3rios ou quebradores de silos, o que aumenta os custos de manuten\u00e7\u00e3o e de equipamentos de capital.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-439a241 elementor-widget elementor-widget-heading\" data-id=\"439a241\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2. Estabilidade de armazenamento<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-125526e elementor-widget elementor-widget-text-editor\" data-id=\"125526e\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">O K12 em p\u00f3 \u00e9 um t\u00edpico\u00a0<\/span><strong><span class=\"\">p\u00f3 deliquescente<\/span><\/strong><span class=\"\">. Quando armazenado em condi\u00e7\u00f5es de alta umidade (por exemplo, meses de ver\u00e3o) por mais de 30 dias, a umidade superficial absorvida causa a dissolu\u00e7\u00e3o parcial das superf\u00edcies das part\u00edculas, levando \u00e0 ades\u00e3o entre part\u00edculas adjacentes e \u00e0 forma\u00e7\u00e3o de grumos duros, \u00e0s vezes inutilizando sacos inteiros. Devido \u00e0 sua integridade cristalina e baixa energia de superf\u00edcie, o K12 tipo agulha apresenta um desempenho antiaglomerante significativamente melhor, mantendo um estado solto mesmo sob armazenamento em alta umidade.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a3f4944 elementor-widget elementor-widget-heading\" data-id=\"a3f4944\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">IV. Recomenda\u00e7\u00f5es espec\u00edficas de sele\u00e7\u00e3o por cen\u00e1rio de aplica\u00e7\u00e3o<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c681dd1 elementor-widget elementor-widget-heading\" data-id=\"c681dd1\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1. Cen\u00e1rios t\u00edpicos em que o K12 tipo agulha \u00e9 altamente recomendado<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6263114 elementor-widget elementor-widget-text-editor\" data-id=\"6263114\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">As aplica\u00e7\u00f5es a seguir favorecem fortemente a avalia\u00e7\u00e3o do K12 tipo agulha:<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Detergentes l\u00edquidos transparentes<\/span><\/strong><span class=\"\">\u00a0(por exemplo, l\u00edquidos de lavanderia, l\u00edquidos de lavagem de lou\u00e7a): Exigem r\u00e1pida dissolu\u00e7\u00e3o, aus\u00eancia de part\u00edculas residuais e alta transpar\u00eancia.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Produtos de cuidados pessoais<\/span><\/strong><span class=\"\">\u00a0(xampus, sabonetes l\u00edquidos para o corpo, limpadores faciais, cremes dentais): Exigem suavidade, poder de forma\u00e7\u00e3o de espuma e estabilidade do processo.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Formula\u00e7\u00f5es com alta concentra\u00e7\u00e3o de ativos<\/span><\/strong><span class=\"\">\u00a0(por exemplo, sistemas SLS &gt;30%): Os cristais em forma de agulha evitam efetivamente a gelifica\u00e7\u00e3o em altas concentra\u00e7\u00f5es.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Linhas de produ\u00e7\u00e3o altamente automatizadas<\/span><\/strong><span class=\"\">: Quando for utilizado transporte pneum\u00e1tico ou dosagem alimentada por gravidade.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Regi\u00f5es com alta umidade ou armazenamento de longo prazo<\/span><\/strong><span class=\"\">: Quando o desempenho antiaglomerante da mat\u00e9ria-prima \u00e9 um requisito claro.<\/span><\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1e8a6df elementor-widget elementor-widget-heading\" data-id=\"1e8a6df\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2. Cen\u00e1rios t\u00edpicos em que o K12 em p\u00f3 pode ser apropriado<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ffb5802 elementor-widget elementor-widget-text-editor\" data-id=\"ffb5802\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">O K12 em p\u00f3 ainda pode ter um custo razo\u00e1vel nos seguintes cen\u00e1rios:<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Detergentes em p\u00f3<\/span><\/strong><span class=\"\">\u00a0(p\u00f3s para lavanderia, p\u00f3s para lava-lou\u00e7as autom\u00e1ticos): Requer mistura seca com p\u00f3s de base (ze\u00f3lita, carbonato de s\u00f3dio, sulfato de s\u00f3dio), em que a morfologia do p\u00f3 facilita a correspond\u00eancia do tamanho das part\u00edculas e a uniformidade da mistura.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Emulsificante de polimeriza\u00e7\u00e3o em emuls\u00e3o<\/span><\/strong><span class=\"\">: Processos espec\u00edficos estabeleceram uma in\u00e9rcia com rela\u00e7\u00e3o aos m\u00e9todos de adi\u00e7\u00e3o de p\u00f3.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Produ\u00e7\u00e3o em lote sem alta demanda por taxa de dissolu\u00e7\u00e3o<\/span><\/strong><span class=\"\">e equipados com aquecimento e recursos de mistura de alto cisalhamento em linhas menores.<\/span><\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9cf3064 elementor-widget elementor-widget-heading\" data-id=\"9cf3064\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">V. Compromisso de qualidade TENESSY<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d55bd9a elementor-widget elementor-widget-text-editor\" data-id=\"d55bd9a\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\"><a href=\"https:\/\/tenessy.com\/\">TENESSIA<\/a> fornece lauril sulfato de s\u00f3dio em p\u00f3 e em forma de agulha com rigoroso controle de qualidade. As principais especifica\u00e7\u00f5es incluem:<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Conte\u00fado de mat\u00e9ria ativa<\/span><\/strong><span class=\"\">: 92%-94% (em base seca)<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Teor de cloreto de s\u00f3dio (NaCl)<\/span><\/strong><span class=\"\">: \u2264 1.0%<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">\u00c1lcoois graxos que n\u00e3o reagiram<\/span><\/strong><span class=\"\">: \u2264 1,5%<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">pH (solu\u00e7\u00e3o aquosa de 1%)<\/span><\/strong><span class=\"\">: 7.5-9.5<\/span><\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\"><span class=\"\">Temos o compromisso de fornecer produtos K12 com\u00a0<\/span><strong><span class=\"\">rastreabilidade de lotes<\/span><\/strong><span class=\"\">,\u00a0<\/span><strong><span class=\"\">morfologia cristalina est\u00e1vel<\/span><\/strong><span class=\"\">e\u00a0<\/span><strong><span class=\"\">embalagem em conformidade com os padr\u00f5es de transporte da ONU\/internacionais<\/span><\/strong><span class=\"\">. Para o desenvolvimento de novas formula\u00e7\u00f5es ou necessidades de substitui\u00e7\u00e3o de formula\u00e7\u00f5es existentes, a equipe t\u00e9cnica da TENESSY oferece <a href=\"https:\/\/tenessy.com\/contact\/\">amostra<\/a> testes, an\u00e1lise comparativa da taxa de dissolu\u00e7\u00e3o e consultoria de compatibilidade de processos.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>O Lauril Sulfato de S\u00f3dio (SLS, tamb\u00e9m conhecido como K12), um dos surfactantes ani\u00f4nicos mais usados, ocupa uma posi\u00e7\u00e3o insubstitu\u00edvel em produtos de higiene pessoal, detergentes dom\u00e9sticos, limpadores industriais e polimeriza\u00e7\u00e3o de emuls\u00e3o de pol\u00edmeros. <\/p>","protected":false},"author":1,"featured_media":14703,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[35],"tags":[],"class_list":["post-14697","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Differences in Physical Properties Between Needle-like and Powdered Sodium Lauryl Sulfate Crystals and Their Impact on Processing Performance - HPMC|HEMC|HEC|RDP Manufacturer-TENESSY<\/title>\n<meta name=\"description\" content=\"Needle-like K12: faster dissolution, lower hygroscopicity, better flowability. Powdered K12: higher dust, slower dispersion, prone to caking.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tenessy.com\/pt\/diferencas-nas-propriedades-fisicas-entre-cristais-de-lauril-sulfato-de-sodio-em-po-e-em-forma-de-agulha-e-seu-impacto-no-desempenho-do-processamento\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Differences in Physical Properties Between Needle-like and Powdered Sodium Lauryl Sulfate Crystals and Their Impact on Processing Performance - HPMC|HEMC|HEC|RDP Manufacturer-TENESSY\" \/>\n<meta property=\"og:description\" content=\"Needle-like K12: faster dissolution, lower hygroscopicity, better flowability. 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