Washable marking composition

Details Washable marking composition Washable marking composition

C - Chemistry, Metallurgy

09

D

C09D 13/00 (2006.01)

Patent

CA 2297348

The present invention provides a washable marking composition, e.g., a crayon composition, comprising an alkoxylated fatty acid, a fatty alcohol, and a pigment. The marking composition preferably further includes a filler. An example of a preferred alkoxylated fatty acid is ethoxylated stearic acid and an example of a preferred fatty alcohol is stearyl alcohol. The marks made by the composition can be easily washed off surfaces such as fabrics, wallpapers, skin, and painted surfaces. The present invention further provides a method of producing a washable crayon comprising: (a) providing an alkoxylated fatty acid, a fatty alcohol, and a pigment; (b) melt-blending said alkoxylated fatty acid, fatty alcohol, and pigment, to provide a melt-blend; and (c) shaping the melt-blend in the form of a crayon.

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