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Water-resistant colored pen lead and production technology thereof

A production process and water-resistant technology, applied in pencil leads, household utensils, applications, etc., can solve the problems of color lead core cracking, unable to solve the problem of color lead core, economic loss, etc. The effect of transportation and operation cost reduction

Inactive Publication Date: 2017-08-22
济南同辉文具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The colored lead cores in the prior art are mainly used in the fields of painting and industrial marking. Due to the defects of its own manufacturing process, when the colored lead cores are exported by sea, they are easy to be damp, deformed and powdered, which seriously affects the quality and quality of the colored lead cores. Product qualification rate; if the colored pencils are accidentally soaked in water, the colored lead core will expand due to water absorption and crack the pen holder, resulting in more serious economic losses
[0003] An invention with the application number CN201310013224.1 discloses a colored lead core and its preparation method. It mainly introduces a product that is easy to fade after writing. Technical Problems Seriously Affecting the Quality of Colored Lead Cores

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A water-resistant colored lead core, the components of the colored lead core and the contents of each component are: hexadecanoic acid 10%; wax 20%; organic pigment powder 18%; glue 8%; kaolin 44% %.

Embodiment 2

[0031] A production process for water-resistant colored lead cores, comprising the following steps:

[0032] Step 1, check whether the mixing mixer and high-temperature container are clean, and whether the valves are in place;

[0033] Step 2, put 20% hexadecanoic acid to octadecanoic acid, 15% wax and 2% glue into a high-pressure container, and melt at a high temperature of 80°C to obtain a melt mixture;

[0034] Step 3, 10% of organic pigment powder and 53% of talcum powder are put into a mixing mixer for stirring;

[0035] Step 4, stir for 5 minutes, after fully mixing the organic pigment powder and talcum powder, put the melt mixture of hexadecanoic acid, wax and glue melted in step 2 into the mixing mixer in step 3, Continue to stir, as the stirring continues, the raw materials in the mixing mixer gradually change from viscous to solid lumps;

[0036] Step 5: Put the raw materials after stirring in step 4 into the three-roller machine for extrusion. After extrusion, the...

Embodiment 3

[0040] A production process for water-resistant colored lead cores, comprising the following steps:

[0041] Step 1, check whether the mixing mixer and high-temperature container are clean, and whether the valves are in place;

[0042] Step 2, put 35% hexadecanoic acid to octadecanoic acid, 20% wax and 8% glue into a high-pressure container, and melt at a high temperature of 140°C to obtain a melt mixture;

[0043] Step 3, 18% talcum powder 19% of organic pigment powder is put into mixing mixer and stirs;

[0044] Step 4, stir for 3 minutes, after fully mixing the organic pigment powder and kaolin, put the molten mixture of hexadecanoic acid, wax and glue melted in step 2 into the mixing mixer in step 3, continue Stirring, as the stirring continues, the raw materials in the mixing mixer gradually change from viscous to solid lumps;

[0045] Step 5: Put the raw materials after stirring in step 4 into the three-roller machine for extrusion. After extrusion, the raw materials a...

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PUM

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Abstract

The invention discloses water-resistant colored pen lead and a production technology thereof and belongs to the field of colored pen lead production. The colored pen lead comprises the following components and production technology: (1) inspecting whether a mixing agitator and a high-temperature container are clean or not and various valves are in place or not; (2) putting hexadecanoic acid, heptadecanoic acid, octadecanoic acid, wax and glue into a high-pressure container, and heating for melting the raw materials to obtain a melt mixture; (3) putting organic pigment powder, kaolin or talcum powder into the mixing agitator for agitating; (4) agitating for a period of time, putting the melt mixture of hexadecanoic acid, heptadecanoic acid, octadecanoic acid, the wax and the glue molten in the step (2) into the mixing agitator in the step (3) and further stirring; (5) mashing the raw materials stirred in the step (4); (6) adding the raw materials mashed in the step (5) into an extruder, extruding to obtain pen lead with required core diameter and length through the extruder; and (7) putting the pen lead obtained in the step (6) into water for cooling, and cutting off the pen lead to obtain the finished product.

Description

technical field [0001] The invention relates to the technical field of production of colored lead cores, in particular to a water-resistant colored lead core and a production process thereof. Background technique [0002] The colored lead cores of the prior art are mainly used in the fields of painting and industrial marking. Due to the defects of its own manufacturing process, when the colored lead cores are exported by sea, they are easy to be damp and deformed, which seriously affects the quality and quality of the colored lead cores. Product qualification rate; if the colored pencils are accidentally soaked in water, the colored lead core will expand due to water absorption and crack the pen holder, resulting in more serious economic losses. [0003] An invention with the application number CN201310013224.1 discloses a colored lead core and its preparation method. It mainly introduces a product that is easy to fade after writing. Technical problems that seriously affect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D13/00
CPCC09D13/00
Inventor 纪翔
Owner 济南同辉文具有限公司
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