{"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":"guide-technique-complet-hpmc-applications","status":"publish","type":"post","link":"https:\/\/ldcellulose.com\/fr\/guide-technique-complet-hpmc-applications\/","title":{"rendered":"HPMC : Guide technique complet et applications"},"content":{"rendered":"
\n\t\t\t\t\t\t
\n\t\t\t\t\t\t\t
<\/div>\n\t\t\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t
\n\t\t\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t

HPMC : Guide technique complet et applications<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t
\n\t\t\t\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
\n\t\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t
\n\t\t\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

HPMC (Hydroxypropyl Methylcellulose) : Sp\u00e9cifications techniques et guide des applications industrielles [2024]<\/h1>\n\n
\n

Les caract\u00e9ristiques techniques en un coup d'\u0153il :<\/h4>\n\n\n\n\n\n\n\n
Param\u00e8tres<\/th>\nGamme de sp\u00e9cifications<\/th>\nNorme industrielle<\/th>\n<\/tr>\n
Gamme de viscosit\u00e9<\/td>\n10-200 000 mPa-s<\/td>\nUSP\/EP\/JP<\/td>\n<\/tr>\n
Teneur en m\u00e9thoxyles<\/td>\n19-30%<\/td>\nASTM D3876<\/td>\n<\/tr>\n
Teneur en hydroxypropyle<\/td>\n7-12%<\/td>\nM\u00e9thode USP<\/td>\n<\/tr>\n
Distribution de la taille des particules<\/td>\n95% < 100 mesh<\/td>\nASTM D1921<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

LANDERCOLL HPMC : Grades et sp\u00e9cifications techniques<\/h2>\n
\n

Sp\u00e9cifications relatives \u00e0 la qualit\u00e9 de la construction<\/h3>\n\n\n\n\n\n\n
S\u00e9rie de produits<\/th>\nViscosit\u00e9 (mPa-s)<\/th>\nApplication<\/th>\nDosage recommand\u00e9<\/th>\n<\/tr>\n
LANDERCOLL TA-15<\/td>\n15,000-20,000<\/td>\nAdh\u00e9sifs pour carrelage<\/td>\n0.2-0.5%<\/td>\n<\/tr>\n
LANDERCOLL GM-30<\/td>\n30,000-40,000<\/td>\nMortier de gypse<\/td>\n0.1-0.3%<\/td>\n<\/tr>\n
LANDERCOLL WP-50<\/td>\n45,000-55,000<\/td>\nMastic mural<\/td>\n0.2-0.4%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

Ratios de m\u00e9lange optimaux :<\/h4>\n
    \n \t
  • Adh\u00e9sif pour carrelage :<\/strong>\n
      \n \t
    • LANDERCOLL TA-15 : 0,3%<\/li>\n \t
    • Ciment : 25%<\/li>\n \t
    • Sand : 74.7%<\/li>\n<\/ul>\n<\/li>\n \t
    • Mastic mural :<\/strong>\n
        \n \t
      • LANDERCOLL WP-50 : 0,3%<\/li>\n \t
      • Carbonate de calcium : 60%<\/li>\n \t
      • Ciment blanc : 39.7%<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n

        Donn\u00e9es de performance sp\u00e9cifiques \u00e0 l'application<\/h2>\n
        \n

        Applications dans le domaine de la construction<\/h3>\n\n\n\n\n\n\n
        Propri\u00e9t\u00e9<\/th>\nM\u00e9thode d'essai<\/th>\nLANDERCOLL R\u00e9sultat<\/th>\nNorme industrielle<\/th>\n<\/tr>\n
        R\u00e9tention de l'eau<\/td>\nDIN 18555-7<\/td>\n>95%<\/td>\n>90%<\/td>\n<\/tr>\n
        Temps ouvert<\/td>\nEN 1346<\/td>\n>30 min<\/td>\n>20 min<\/td>\n<\/tr>\n
        R\u00e9sistance au glissement<\/td>\nEN 1308<\/td>\n<0,5 mm<\/td>\n<1,0 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

        Sp\u00e9cifications de qualit\u00e9 pharmaceutique<\/h3>\n
        \n\n\n\n\n\n\n
        Param\u00e8tres<\/th>\nLANDERCOLL S\u00e9rie PC<\/th>\nM\u00e9thode d'essai<\/th>\n<\/tr>\n
        M\u00e9taux lourds<\/td>\n< 20 ppm<\/td>\nUSP<\/td>\n<\/tr>\n
        Solvants r\u00e9siduels<\/td>\nConforme \u00e0 la norme ICH Q3C<\/td>\nUSP<\/td>\n<\/tr>\n
        Limites microbiennes<\/td>\n< 1000 UFC\/g<\/td>\nUSP<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n

        Guides de candidature \u00e9tape par \u00e9tape<\/h2>\n
        \n

        Guide de pr\u00e9paration de la colle \u00e0 carrelage<\/h3>\n
          \n \t
        1. Pr\u00e9-m\u00e9lange :<\/strong>\n
            \n \t
          • Temp\u00e9rature de l'eau : 20-25\u00b0C<\/li>\n \t
          • Dosage de LANDERCOLL : 0,3% de m\u00e9lange sec<\/li>\n<\/ul>\n<\/li>\n \t
          • Processus de m\u00e9lange :<\/strong>\n
              \n \t
            • Ajouter LANDERCOLL \u00e0 l'eau<\/li>\n \t
            • M\u00e9langer pendant 2 \u00e0 3 minutes<\/li>\n \t
            • Ajouter le ciment et les agr\u00e9gats<\/li>\n \t
            • M\u00e9lange final : 3-5 minutes<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/div>\n

              Guide de d\u00e9pannage<\/h2>\n
              Mauvaise r\u00e9tention d'eau<\/summary>\n
              \n\nCauses possibles :<\/strong>\n
                \n \t
              • Dosage insuffisant de HPMC<\/li>\n \t
              • S\u00e9quence de m\u00e9lange incorrecte<\/li>\n \t
              • Conditions de temp\u00e9rature \u00e9lev\u00e9e<\/li>\n<\/ul>\nSolutions :<\/strong>\n
                  \n \t
                • Augmenter le dosage de LANDERCOLL de 0,05%<\/li>\n \t
                • Suivre la proc\u00e9dure de m\u00e9lange recommand\u00e9e<\/li>\n \t
                • Utiliser de l'eau froide dans des conditions chaudes<\/li>\n<\/ul>\n<\/div>\n<\/details>\n\n<\/div>\n\n