Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Food-grade scrawling chalk and preparation method thereof

A food-grade, chalk technology, applied in the field of stationery, can solve the problems of unsuitable paper or board, accidental consumption of chalk, crayons, health hazards, etc., to achieve the effect of easy erasing and cleaning, and high safety

Active Publication Date: 2014-04-02
DALIAN BAIYIOU CHALK SCI & TECH DEV
View PDF10 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, crayons are pens made by mixing pigments in wax. Crayons have no permeability and are fixed on the screen by adhesion.
The paint marks left by crayons should not be cleaned, whether they are left on the wall or on the board
At the same time, preschool children aged 0-6 are very likely to eat chalk, crayons, etc. by mistake without the supervision of their parents, causing harm to their health.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A kind of graffiti pen is made by following method:

[0024] After mixing the raw materials according to the following ratio, stir at 95°C for 1 hour at a speed of 1800 rpm to obtain the beeswax base material, wherein the raw material ratio is: lecithin: 18%, edible oil: 8%, white beeswax : 55%, ethanol: 2%, palm oil: 17%;

[0025] Mix the beeswax base material with other raw materials according to the following proportions and stir at 100°C for 1.5 hours at a speed of 2000 rpm to obtain the composition, wherein the proportion of raw materials is: beeswax base material: 53%, edible carbonic acid Calcium: 6%, Food Grade Carmine: 35%, Glycerin: 3%, Tertiary Butyl Hydroquinone: 3%.

[0026] The mixture obtained above is molded, cooled and cut to obtain the obtained product.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to food-grade scrawling chalk and a preparation method thereof, belonging to the field of stationeries. The food-grade scrawling chalk is prepared from the following components in percentage by mass: 51-57% of beewax base material, 4-8% of edible calcium carbonate, 32-36% of food-grade pigment, 2-4% of glycerol and 2-4% of food antioxidant. The composition for a writing tool, provided by the invention, which is prepared from food-grade raw materials, has the characteristics of being non-toxic, edible and high in safety; meanwhile, the composition is soluble in water so as to have features of being convenient to erase and clean.

Description

technical field [0001] The invention relates to a food-grade graffiti chalk and a production method thereof, belonging to the field of stationery. Background technique [0002] Chalk, crayons, oil pastels, and colored pencils are commonly used tools for children to learn color painting, especially for preschool children aged 0 to 6. Children of this age often use crayons as the main tool for school painting. However, crayons are pens made by mixing pigments into wax. Crayons have no permeability and are fixed on the screen by adhesion. They are not suitable for paper or board, and composite colors cannot be obtained through repeated superposition of colors. It is not suitable to clean the painting traces left by crayons, whether they are traces left on walls or boards. At the same time, preschool children aged 0-6 are very likely to eat chalk, crayons, etc. by mistake without the supervision of their parents, causing harm to their health. Contents of the invention [000...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): B43K19/00
Inventor 曾环曾熙禹曾爱军
Owner DALIAN BAIYIOU CHALK SCI & TECH DEV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com