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Washable graffiti crayon and preparation method thereof

A crayon and washing technology, which is applied to pencil lead, household utensils, applications, etc., can solve the problems of limited functions and usage scenarios, waxy odor, and difficult coloring, etc., to prevent accidental ingestion, biting, and coloring power Strong, easy molding and demoulding effect

Active Publication Date: 2019-03-26
SHANGHAI M&G STATIONERY INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional crayons are an oily system composed of wax, fillers, and pigments. They are insoluble in water and rely on adhesion to paint on paper. Generally, it is difficult to paint on smooth surfaces, and their functions and usage scenarios are limited.
When painting with crayons, it is not easy to clean if it is stained on clothing and skin, and there is a peculiar smell of wax

Method used

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  • Washable graffiti crayon and preparation method thereof
  • Washable graffiti crayon and preparation method thereof

Examples

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preparation example Construction

[0092] The preparation method of the washable graffiti crayon of the present invention needs to pre-treat the pigment first so that the particle size meets the requirements, and the coloring is more delicate, and a water-based wax liquid is prepared as a base material to ensure the washability of the system, specifically as follows step:

[0093] Step (a) mix and melt white mineral oil with half of the total amount of wax, half of the total amount of stearic acid and half of the total amount of hardened oil at a melting temperature of 80-110°C for 60-120 minutes, then Obtain mixed wax liquid;

[0094] Step (b) adding an environmentally friendly pigment to the mixed wax liquid obtained in the step (a) for uniform stirring, heating while stirring at a heating temperature of 70-90°C, and stirring for 30-60 minutes to obtain a uniform mixture;

[0095] Step (c) grinding the homogeneous mixture obtained in the step (b) with a three-roll mill to process a fine granular semi-solid p...

Embodiment 1

[0105] Example 1: Orange Washable Graffiti Crayons

[0106] The formula is as follows: 0.8 parts by weight of beeswax; 10 parts by weight of paraffin wax; 2 parts by weight of microcrystalline wax; 8 parts by weight of stearic acid; 34 parts by weight of hardened oil; 2 parts by weight of white mineral oil; 15.1 parts by weight of calcium carbonate; 5 parts by weight of kaolin 2 parts by weight of pigment orange 16; 9 parts by weight of glycerol monooleate; 3 parts by weight of nonylphenol polyoxyethylene ether (n is 4); 6 parts by weight of nonylphenol polyoxyethylene ether (n is 10); 2 , 0.25 parts by weight of 6-di-tert-butyl-4-methylphenol; 2.8 parts by weight of rose essential oil; benzoic acid [2-[(2,6-dimethylphenyl)amino]-N,N-diethyl 0.05 parts by weight of benzyl ammonium.

[0107] The preparation method is as follows: 2 parts by weight of white mineral oil, 5 parts by weight of paraffin wax, 1 part by weight of microcrystalline wax, 4 parts by weight of stearic acid...

Embodiment 2

[0114] Example 2: Green Washable Graffiti Crayons

[0115] The formula is as follows: 0.7 parts by weight of beeswax; 14 parts by weight of paraffin; 6 parts by weight of stearic acid; 32 parts by weight of hardened oil; 3 parts by weight of white mineral oil; 13.7 parts by weight of calcium carbonate; 4 parts by weight of kaolin; 1.4 parts by weight of phthalocyanine green G 3.8 parts by weight of Fast Yellow 10G; 0.7 parts by weight of titanium dioxide; 8.4 parts by weight of glycerol monooleate; 2.1 parts by weight of nonylphenol polyoxyethylene ether (n is 4); 9) 6.3 parts by weight; 0.3 parts by weight of 2,6-di-tert-butyl-4-methylphenol; 3.55 parts by weight of jasmine extract; benzoic acid [2-[(2,6-dimethylphenyl)amino ]-N,N-diethylbenzyl ammonium 0.05 parts by weight.

[0116] The preparation method is as follows: 3 parts by weight of white mineral oil are mixed and melted with 7 parts by weight of paraffin wax, 3 parts by weight of stearic acid and 16 parts by weight...

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Abstract

The invention provides a washable graffiti crayon and a preparation method thereof. The washable graffiti crayon comprises the following components in parts by weight: 5-15 parts of wax, 0.5-2 parts of bee wax, 3-10 parts of stearic acid, 30-40 parts of hardened oil, 1-4 parts of white mineral oil, 15-30 parts of filler, 1-15 parts of environment-friendly pigment, 15-25 parts of water-soluble washing auxiliaries, 0.01-1.5 parts of antioxidant, 0.1-5 parts of natural plant perfume material and 0.001-0.3 part of food grade bitter agent. The washable graffiti crayon provided by the invention hasthe advantages of environmental protection, non-toxicity, anti-microbial property, safety, fresh flavor, bright color, smooth and non-sticky crayon body, fine and smooth graffiti without dreg falling,capability of drawing on various interfaces and capability of being removed by washing with water. After the washable graffiti crayon is used for drawing on paper, a watercolor-similar art effect canbe achieved by using a writing brush for polishing the painting with water.

Description

technical field [0001] The invention relates to a drawing tool material, in particular to a washable graffiti crayon and a preparation method thereof. Background technique [0002] At present, oil pastels and crayons have become one of the most common painting products on the market, and are deeply loved by various consumer groups from children to professional artists. Traditional crayons are an oily system composed of wax, fillers, and pigments. They are insoluble in water and rely on adhesion to paint on paper. Generally, it is difficult to paint on smoother surfaces, and their functions and usage scenarios are limited. When painting with crayons, it is not easy to clean if it is stained on clothing and skin, and there is a peculiar smell of wax. [0003] With the improvement of people's awareness of safety and environmental protection, the safety of crayons has also received further attention from consumers, mainly focusing on the content of heavy metals and toxic volati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D13/00
CPCC09D13/00
Inventor 郭亨长张超颖李学东姚鸿俊
Owner SHANGHAI M&G STATIONERY INC
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