Use of an organic sol of cerium in paints, particularly...

Details Use of an organic sol of cerium in paints, particularly... Use of an organic sol of cerium in paints, particularly...

2011-06-07

2011-06-07

Green, Anthony J (Department: 1731)

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

C516S033000, C523S513000, C524S284000, C524S403000, C524S430000, C524S590000

Reexamination Certificate

active

07955431

ABSTRACT:
The invention relates to the use of an organic cerium sol in paints, in particular finishes or varnishes, to improve durability. More particularly, the sol used can be a sol comprising an amphiphilic acid system, an organic phase and particles in the form of agglomerates of crystallites with a d80, advantageously d90, of at most 5 nanometers, 90% (by weight) of agglomerates comprising 1 to 5, preferably 1 to 3 crystallites. The paints incorporating a cerium sol have improved water resistance properties and mechanical properties.

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