Polystyrene transparent color master batch and preparation method thereof

A polystyrene and manufacturing method technology, applied in the field of color masterbatch, can solve the problems of brittle and easy to crack, low impact strength, etc., achieve high transparency, good elasticity, and improve the effect of plasticizing efficiency

Pending Publication Date: 2020-06-12
安徽缤飞塑胶科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The classification methods of color masterbatches are commonly used in the following types: Classification by carrier: such as PE color masterbatch, PP color masterbatch, ABS color masterbatch, PVC color masterbatch, EVA color masterbatch, etc., among which the plastic products made of polystyrene as the carrier , although the transparency is high and the price is cheap, it is brittle and easy to crack and has low impact strength. Therefore, it is of great significance to develop a high-strength polystyrene transparent masterbatch

Method used

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  • Polystyrene transparent color master batch and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Embodiment 1, a kind of manufacture method of polystyrene transparent color masterbatch, comprises the following steps:

[0039] S01: Weigh the following raw materials in mass percentage, 40Kg polystyrene resin, 10Kg lithopone, 8Kg polyethylene wax, 0.5Kg turpentine, 1Kg azodicarbonamide, 2Kg pentaerythritol ester, 2Kg calcium stearate, 0.5Kg stearin Butyl acid;

[0040] S02: Add the polystyrene resin, colorant and turpentine in the above proportions into the high and low speed mixer in sequence, and stir until uniform. 120°C; when the stirring is completed, vacuum pump the materials in the high and low speed mixer until the turpentine volatilizes;

[0041] S03: Add polyethylene wax, azodicarbonamide, pentaerythritol ester, calcium stearate and n-butyl stearate in the above ratio into the mixer and mix and stir until uniform; wherein, the speed of the mixer is 1000rad / min, the stirring time is 15min, and the stirring temperature is 160°C;

[0042] S04: Add the mixtur...

Embodiment 2

[0043] Embodiment 2, a kind of manufacture method of polystyrene transparent color masterbatch, comprises the following steps:

[0044] S01: Weigh the following raw materials in mass percentage, 50Kg polystyrene resin, 20Kg Windsor red, 15Kg polyethylene wax, 1Kg turpentine, 5Kg azodicarbonamide, 6Kg pentaerythritol ester, 6Kg calcium stearate, 1Kg n-butyl stearate ester;

[0045] S02: Add the polystyrene resin, colorant and turpentine in the above proportions to the high and low speed mixer in sequence, and stir until uniform. 140°C; when the stirring is completed, vacuum pump the materials in the high and low speed mixer until the turpentine volatilizes;

[0046] S03: Add polyethylene wax, azodicarbonamide, pentaerythritol ester, calcium stearate and n-butyl stearate in the above ratio into the mixer and mix and stir until uniform; wherein, the speed of the mixer is 1500rad / min, the stirring time is 20min, and the stirring temperature is 180°C;

[0047] S04: Add the mixtu...

Embodiment 3

[0048] Embodiment 3, a kind of manufacture method of polystyrene transparent color masterbatch, comprises the following steps:

[0049] S01: Weigh the following raw materials in mass percentage, 43Kg polystyrene resin, 15Kg Windsor blue, 10Kg polyethylene wax, 0.8Kg turpentine, 4Kg azodicarbonamide, 4Kg pentaerythritol ester, 4Kg calcium stearate, 0.8Kg stearic acid n-butyl ester;

[0050] S02: Add the polystyrene resin, colorant and turpentine in the above proportions into the high and low speed mixer in sequence, and stir until uniform. 130°C; when the stirring is completed, vacuum pump the materials in the high and low speed mixer until the turpentine volatilizes;

[0051] S03: Add polyethylene wax, azodicarbonamide, pentaerythritol ester, calcium stearate and n-butyl stearate in the above ratio into the mixer and mix and stir until uniform; wherein, the speed of the mixer is 1200rad / min, the stirring time is 18min, and the stirring temperature is 160°C;

[0052] S04: Ad...

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Abstract

The invention provides a polystyrene transparent color master batch. The polystyrene transparent color master batch comprises, by mass, 40-50% of polystyrene resin, 10-20% of a coloring agent, 8-15% of polyethylene wax, 0.5-1% of turpentine, 1-5% of azodicarbonamide, 2-6% of pentaerythritol ester, 2-6% of calcium stearate and 0.5-1% of n-butyl stearate. The invention also discloses a preparation method of the polystyrene transparent color master batch. The adopted raw material polystyrene resin and the colorizing agent have high transparency, the polyethylene wax can improve the internal fluidity of the color master batch, the calcium stearate and turpentine are used in cooperation to increase the gelatinization speed of the color master batch, the n-butyl stearate can improve the plasticizing efficiency of the color master batch, azodicarbonamide is arranged to make the prepared color master batch good in elasticity, uniform in foam hole diameter and good in strength, and the pentaerythritol ester is nontoxic and harmless, and improves the oxidation resistance of the color master batch, so that the high-strength color master batch is prepared.

Description

technical field [0001] The invention mainly relates to the technical field of color masterbatches, in particular to a polystyrene transparent color masterbatch and a manufacturing method thereof. Background technique [0002] Color masterbatch is a mixture of resin and a large number of pigments or dyes to make a high concentration of color. Color masterbatch, also known as color species, is an aggregate made by uniformly loading super-normal pigments or dyes in resin. When processing, a small amount of color masterbatch and uncolored resin is mixed to achieve the colored resin or product with the designed pigment concentration. [0003] The classification methods of color masterbatches are commonly used in the following types: Classification by carrier: such as PE color masterbatch, PP color masterbatch, ABS color masterbatch, PVC color masterbatch, EVA color masterbatch, etc., among which the plastic products made of polystyrene as the carrier , although the transparency...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L25/06C08L23/06C08K5/098C08K5/101C08K5/103C08J9/10C08J3/22
CPCC08J3/226C08J9/103C08J2425/06C08J2423/06C08K5/098C08K5/101C08K5/103C08J2203/04C08J2325/06
Inventor 王斌
Owner 安徽缤飞塑胶科技有限公司
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