Colored wax crayon basic material taking edible vegetable oil as main raw material and preparation method thereof

Abstract

The invention relates to a colored wax crayon basic material taking edible vegetable oil as a main raw material and a preparation method thereof. The colored wax crayon basic material comprises the following raw materials in parts by weight: 1-80 parts of vegetable oil, 1-80 parts of hydrogenated vegetable oil, 1-80 parts of stearate, 1-80 parts of polyglyceryl fatty acid ester, 2-30 parts of light calcium carbonate, 0.1-10 parts of natural pigment, and 0.1-10 parts of cyclodextrin or cyclodextrin derivative. The invention further relates to a preparation method of the colored wax crayon basic material. A colored wax crayon prepared by utilizing the colored wax crayon basic material has high melting point and proper hardness, is low in probability of deformation and is safe and sanitary; and paints drawn by using the prepared colored wax crayon are beautiful in color, and have low probabilities of color transfer, color fading and the like.

Description

technical field [0001] The invention relates to a method for preparing a color crayon base material using vegetable oil, vegetable oil deep-processed products, edible light calcium carbonate, natural pigments, starch deep-processed products and the like as basic raw materials, belonging to the field of daily chemical industry. Background technique [0002] Colored crayons are usually prepared from paraffin wax etc. now. Added auxiliary materials include white oil, stearic acid, polyethylene, dyes, etc., among which stearic acid (C 17 h 35 COOH) is mainly used to increase hardness, and the specific amount of addition depends on what kind of colored crayons are produced. [0003] Paraffin wax is obtained from the waxy fraction of petroleum by cold pressing or solvent dewaxing. It is a mixture of several higher alkanes, mainly n-docosane (C 22 h 46 ) and n-octadecane (C 28 h 58 ), containing about 85% carbon elements and about 14% hydrogen elements. Paraffin wax is mainl...

AI Technical Summary

Problems solved by technology

However, most of the fillers and organic toners selected by this crayon are inedible or even poisonous; more importantly, there are no necessary macromolecular cross-linking agents and hardness modifiers introduced in this crayon, which is not easy to color and easy to disperse when used. In addition, the crayon does not introduce necessary dye dispersing and stabilizing components, nor does it introduce necessary color protection and color enhancement components, and the works using this crayon are prone to color migration and fading.