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High-temperature-resistant color master batch and preparation method thereof

A technology of color masterbatch and high temperature resistance, which is applied in the field of materials to achieve the effect of high pass rate and strong resistance to high temperature

Inactive Publication Date: 2020-06-23
上海朔衍新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, although the color masterbatch of the prior art also proposes the function of high temperature resistance, the high temperature resistance effect of the color masterbatch of the prior art needs to be further improved.

Method used

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  • High-temperature-resistant color master batch and preparation method thereof
  • High-temperature-resistant color master batch and preparation method thereof
  • High-temperature-resistant color master batch and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] 1. The raw materials of masterbatch 1 are shown in the following table:

[0022]

[0023] The manufacturing process of masterbatch is:

[0024] 1) Put the raw materials in the ratio in the above table into a constant speed mixer and stir at a temperature of 80°C for 10 minutes;

[0025] 2) Put the evenly stirred mixture into a twin-screw extruder for melt blending and granulation. The twin-screw extruder has 11 sections, and the temperature ranges of each section are: 215°C, 225°C, 245°C, 250°C, 255°C, 256°C, 250°C, 245°C, and 247°C.

Embodiment 2

[0027] 1. The raw materials of masterbatch 2 are shown in the following table:

[0028]

[0029] 2. The manufacturing process of masterbatch is:

[0030] 1) Put the raw materials in the ratio in the above table into a constant speed mixer and stir at a temperature of 90°C for 8 minutes;

[0031] 2) Put the evenly stirred mixture into a twin-screw extruder for melt blending and granulation. The twin-screw extruder has 11 sections, and the temperature ranges of each section are: 220°C, 230°C, 250°C, 255°C, 260°C, 255°C, 255°C, 250°C, 255°C.

Embodiment 3

[0033] 1. The raw materials of masterbatch 3 are shown in the table below

[0034]

[0035] 2. The manufacturing process of masterbatch is:

[0036] 1) Put the raw materials in the ratio in the above table into a constant speed mixer and stir at a temperature of 100°C for 5 minutes;

[0037] 2) Put the evenly stirred mixture into a twin-screw extruder for melt blending and granulation. The twin-screw extruder has 11 sections, and the temperature ranges of each section are: 225°C, 235°C, 255°C, 260°C, 265°C, 260°C, 250°C, 255°C, 250°C.

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Abstract

The invention discloses a high-temperature-resistant color master batch and a preparation method thereof. The high-temperature-resistant color master batch comprises the following main components in parts by weight: 2-5 parts of iron oxide red, 2-8 parts of an antioxidant, 70-100 parts of nylon, 0.5-3.5 parts of titanium dioxide, 1.1-4.1 parts of carbon black and 0.1-1.9 parts of a pigment. The method comprises the following steps: 1) preparing the raw materials according to the formula mentioned above; (2) putting the raw materials prepared in the step (1) into a constant-speed stirrer, and stirring for 5-10 minutes at a stirring temperature of 80-110 DEG C; and (3) putting the uniformly mixed mixture in the step (2) into a double-screw extruder, melting, blending, and granulating. The invention provides the color master batch which is high in tolerable temperature and does not change color or deform.

Description

technical field [0001] The invention relates to the field of materials, in particular to a high-temperature-resistant color masterbatch and a preparation method thereof. Background technique [0002] Color masterbatch is a new type of polymer composite coloring material made of a high proportion of colorant, carrier resin and various additives after good dispersion. Colorant is the basic component of masterbatch, the content is generally between 20% and 80%. White masterbatches usually use titanium dioxide, barium sulfate, lithopone, zinc sulfide, calcium carbonate, etc. as colorants, black masterbatches use carbon black as colorants, color masterbatches use azo pigments, phthalocyanine pigments, quinacridine Ketone pigments, iron oxide red, metal powder, pearl powder and dyes are used as coloring agents. Resin is the carrier of color masterbatch, which has the characteristics of softening by heat and hardening by cooling, and it does not react chemically. The resin is me...

Claims

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Application Information

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IPC IPC(8): C08L77/00C08K13/02C08K5/20C08K3/22C08K3/04C08J3/22
CPCC08J3/226C08J2377/00C08K13/02C08K3/04C08K2003/2241C08K2003/2272C08K5/20
Inventor 卞明亮
Owner 上海朔衍新材料科技有限公司