C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
C09J 103/02 (2006.01)
Patent
CA 2470618
The invention relates to a method for preparing a high dry substance Stein Hall adhesive, comprising the steps preparing a carrier portion by gelatinising at least a part of the total starch in the adhesive in an alkaline medium, diluting the carrier portion with a volume of water; and adding the remaining secundary starch in which in a first step said carrier portion is prepared, in a second step the carrier portion is diluted with a volume of water, followed by the addition of at least a portion of the secundary starch, and in a third step the remaining alkali is added in a diluted form together with the secundary starch. The addition of the remaining secundary starch and alkali is preferably performed stepwise.
L'invention concerne un procédé de préparation d'un adhésif Stein Hall à teneur élevée en matière sèche. Ce procédé consiste d'abord à préparer une partie de support en gélatinisant au moins une partie de l'amidon total contenu dans l'adhésif dans un milieu alcalin ; à diluer ensuite la partie de support dans un volume d'eau; et enfin, à ajouter la quantité restante d'amidon et la quantité restante d'alcali sous forme diluée. De préférence, les quantités restantes d'amidon et d'alcali sont ajoutées successivement.
Amylum Europe N.v.
Robic
Tate & Lyle Europe N.v.
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