C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
C09J 103/02 (2006.01)
Patent
CA 2502930
The invention concerns an adhesive composition characterized in that it comprises an aqueous dispersion having a primary part, consisting essentially of a gelatinized starch, and a secondary part, comprising essentially a non-gelatinized starch and/or a swollen starch, wherein the starch of the secondary part is a native legume starch, and the starch of the primary part is optionally a native or modified legume starch, said legume starches having an amylose content ranging between 30 and 52 %. The invention also concerns the method for preparing such a composition, comprising its use, assembling the parts and drying and satisfying the requirements of modern fast machinery.
L'invention a pour objet une composition adhésive caractérisée en ce qu'elle comprend une dispersion aqueuse présentant une partie primaire, constituée essentiellement d'un amidon gélatinisé, et une partie secondaire, comportant essentiellement un amidon non gélatinisé et / ou un amidon gonflé, dans laquelle l'amidon de la partie secondaire est un amidon de légumineuses natif, et l'amidon de la partie primaire est éventuellement un amidon de légumineuses natif ou modifié, lesdits amidons de légumineuses ayant une teneur en amylose comprise entre 30 et 52%. L'invention a également pour objet le procédé de mise en oeuvre d'une telle composition, comprenant son application, l'assemblage des parties et le séchage et satisfaisant aux exigences des machines modernes et rapides.
Bouxin Christian
Corriette Pascal
Gombert Herve
Houze Regis
Ladret Marika
Fetherstonhaugh & Co.
Roquette Freres
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