{"id":5250,"date":"2024-11-22T07:53:19","date_gmt":"2024-11-22T07:53:19","guid":{"rendered":"https:\/\/ldcellulose.com\/?p=5250"},"modified":"2024-11-26T03:32:55","modified_gmt":"2024-11-26T03:32:55","slug":"hpmc-guia-tecnico-completo-aplicacoes","status":"publish","type":"post","link":"https:\/\/ldcellulose.com\/pt_pt\/hpmc-guia-tecnico-completo-aplicacoes\/","title":{"rendered":"HPMC: Guia t\u00e9cnico completo e aplica\u00e7\u00f5es"},"content":{"rendered":"
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HPMC: Guia t\u00e9cnico completo e aplica\u00e7\u00f5es<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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HPMC (Hidroxipropilmetilcelulose): Especifica\u00e7\u00f5es T\u00e9cnicas e Guia de Aplica\u00e7\u00f5es da Ind\u00fastria [2024]<\/h1>\n\n
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Especifica\u00e7\u00f5es t\u00e9cnicas num relance:<\/h4>\n\n\n\n\n\n\n\n
Par\u00e2metro<\/th>\nGama de especifica\u00e7\u00f5es<\/th>\nNorma da ind\u00fastria<\/th>\n<\/tr>\n
Gama de viscosidade<\/td>\n10-200.000 mPa-s<\/td>\nUSP\/EP\/JP<\/td>\n<\/tr>\n
Teor de metoxilo<\/td>\n19-30%<\/td>\nASTM D3876<\/td>\n<\/tr>\n
Conte\u00fado de hidroxipropil<\/td>\n7-12%<\/td>\nM\u00e9todo USP<\/td>\n<\/tr>\n
Distribui\u00e7\u00e3o do tamanho das part\u00edculas<\/td>\n95% < 100 mesh<\/td>\nASTM D1921<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

HPMC LANDERCOLL: Classes t\u00e9cnicas e especifica\u00e7\u00f5es<\/h2>\n
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Especifica\u00e7\u00f5es do grau de constru\u00e7\u00e3o<\/h3>\n\n\n\n\n\n\n
S\u00e9rie de produtos<\/th>\nViscosidade (mPa-s)<\/th>\nAplica\u00e7\u00e3o<\/th>\nDosagem recomendada<\/th>\n<\/tr>\n
LANDERCOLL TA-15<\/td>\n15,000-20,000<\/td>\nAdesivos para azulejos<\/td>\n0.2-0.5%<\/td>\n<\/tr>\n
LANDERCOLL GM-30<\/td>\n30,000-40,000<\/td>\nArgamassa de gesso<\/td>\n0.1-0.3%<\/td>\n<\/tr>\n
LANDERCOLL WP-50<\/td>\n45,000-55,000<\/td>\nMassa para paredes<\/td>\n0.2-0.4%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
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R\u00e1cios de mistura \u00f3ptimos:<\/h4>\n
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  • Adesivo para azulejos:<\/strong>\n
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    • LANDERCOLL TA-15: 0,3%<\/li>\n \t
    • Cimento: 25%<\/li>\n \t
    • Areia: 74.7%<\/li>\n<\/ul>\n<\/li>\n \t
    • Massa para paredes:<\/strong>\n
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      • LANDERCOLL WP-50: 0,3%<\/li>\n \t
      • Carbonato de c\u00e1lcio: 60%<\/li>\n \t
      • Cimento branco: 39.7%<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n

        Dados de desempenho espec\u00edficos da aplica\u00e7\u00e3o<\/h2>\n
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        Aplica\u00e7\u00f5es de constru\u00e7\u00e3o<\/h3>\n\n\n\n\n\n\n
        Im\u00f3veis<\/th>\nM\u00e9todo de ensaio<\/th>\nLANDERCOLL Resultado<\/th>\nNorma da ind\u00fastria<\/th>\n<\/tr>\n
        Reten\u00e7\u00e3o de \u00e1gua<\/td>\nDIN 18555-7<\/td>\n>95%<\/td>\n>90%<\/td>\n<\/tr>\n
        Tempo aberto<\/td>\nEN 1346<\/td>\n>30 min<\/td>\n>20 min<\/td>\n<\/tr>\n
        Resist\u00eancia ao deslizamento<\/td>\nEN 1308<\/td>\n<0,5 mm<\/td>\n<1,0mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

        Especifica\u00e7\u00f5es de grau farmac\u00eautico<\/h3>\n
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        Par\u00e2metro<\/th>\nLANDERCOLL S\u00e9rie PC<\/th>\nM\u00e9todo de ensaio<\/th>\n<\/tr>\n
        Metais pesados<\/td>\n< 20 ppm<\/td>\nUSP<\/td>\n<\/tr>\n
        Solventes residuais<\/td>\nCumpre a norma ICH Q3C<\/td>\nUSP<\/td>\n<\/tr>\n
        Limites microbianos<\/td>\n< 1000 CFU\/g<\/td>\nUSP<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n

        Guias de candidatura passo a passo<\/h2>\n
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        Guia de prepara\u00e7\u00e3o do adesivo para azulejos<\/h3>\n
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        1. Pr\u00e9-mistura:<\/strong>\n
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          • Temperatura da \u00e1gua: 20-25\u00b0C<\/li>\n \t
          • Dosagem de LANDERCOLL: 0,3% de mistura seca<\/li>\n<\/ul>\n<\/li>\n \t
          • Processo de mistura:<\/strong>\n
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            • Adicionar LANDERCOLL \u00e0 \u00e1gua<\/li>\n \t
            • Misturar durante 2-3 minutos<\/li>\n \t
            • Adicionar cimento e agregados<\/li>\n \t
            • Mistura final: 3-5 minutos<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/div>\n

              Guia de resolu\u00e7\u00e3o de problemas<\/h2>\n
              M\u00e1 reten\u00e7\u00e3o de \u00e1gua<\/summary>\n
              \n\nCausas poss\u00edveis:<\/strong>\n
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              • Dosagem insuficiente de HPMC<\/li>\n \t
              • Sequ\u00eancia de mistura incorrecta<\/li>\n \t
              • Condi\u00e7\u00f5es de alta temperatura<\/li>\n<\/ul>\nSolu\u00e7\u00f5es:<\/strong>\n
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                • Aumentar a dose de LANDERCOLL em 0,05%<\/li>\n \t
                • Seguir o procedimento de mistura recomendado<\/li>\n \t
                • Utilizar \u00e1gua fria em condi\u00e7\u00f5es de calor<\/li>\n<\/ul>\n<\/div>\n<\/details>\n\n<\/div>\n\n