Washable wax pencil

Abstract

The present invention discloses a washable wax pencil, which mainly consists of paraffin, water-soluble wax, filling materials and coloring agents. The major raw materials of the washable wax pencil comprise the following major ingredients by mass percent: 51.5 to 79.5 percent of paraffin, 10 to 20 percent of water-soluble wax, 10 to 30 percent of filling materials and 0.2 to 1.5 percent of coloring agents. The invention has the advantages of low implement cost and easy washing.

Description

technical field [0001] The invention relates to the technical field of art drawing tools, in particular to a washable crayon. Background technique [0002] The colored crayons currently used for painting are made of raw materials such as paraffin, plastic, talc, pigments, etc. through processes such as melting, stirring, cooling, crushing, and molding. The main disadvantage is that the product is insoluble in water when used. Therefore, the painting effect is uneven, and it is not possible to draw or write on the glass with this colored crayon, so the scope of use is relatively narrow, and it is difficult to erase the words and pictures written on the tile by this crayon; and the crayon Most of the users are children, and children generally directly hold the crayons with their hands to paint, causing their hands to be stained with colors that are difficult to clean. [0003] In order to overcome the above problems, the Chinese invention patent publication number is "CN10674...

AI Technical Summary

Problems solved by technology

[0005] Wherein R1 is an organic residue of an organic compound having at least one active hydrogen, t is an integer of at least 1, and its maximum value is the number of active hydrogen contained in the organic compound, R1 and R3 can be the same or different and are hydrogen or alkyl ( Including hydroxyl and halogen substituted alkyl), m is at least an integer of 1; the implementation cost of this kind of water-soluble crayon composition is higher

Images