C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
C08K 5/00 (2006.01) C08F 283/01 (2006.01) C08K 5/18 (2006.01) C09J 4/06 (2006.01)
Patent
CA 2279354
A two-part system wherein the first part includes (i) at least one curable component; (ii) at least one reducing agent; and (iii) at least one initially colorless color change additive and the second part includes a peroxide oxidizing agent. When the first and second parts are mixed, the resulting curing material turns a color that is different than the initial color of the first and second parts individually. This color change can be used to indicate working time for the material.
L'invention porte sur un système en deux parties: la première comprend: (i) au moins un composant durcissable, (ii) au moins un réducteur, et (iii) au moins un additif initialement incolore changeant de couleur; la deuxième comprend un oxydant du type peroxyde. Lorsqu'on mélange la première et la deuxième partie, le mélange résultant en durcissant prend une couleur différente de la couleur initiale des parties séparées. Ce changement de couleur peut servir à indiquer quand le matériau peut être travaillé.
Abbey Kirk J.
Dawdy Terrance H.
Hatcher Jeffrey A.
Righettini Robin F.
Lord Corporation
Swabey Ogilvy Renault
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