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Novel pearly-luster ABS material and processing method

A technology of ABS materials and processing methods, which is applied in the field of new pearlescent ABS materials and processing, can solve problems such as poor compatibility, decreased mechanical properties of ABS, and high shearing force, so as to reduce the difficulty of dispersion, improve mechanical properties, and strong The effect of mechanical strength

Inactive Publication Date: 2016-04-13
厦门美佳美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

[0004] 1. The poor compatibility between pearlescent pigment and ABS resin not only affects the physical properties of ABS material, but also causes appearance defects caused by poor dispersion of pearlescent pigment when re-injecting large-scale products, commonly known as material flower
[0005] 2. The existing processing methods will reduce the particle size of pearlescent pigments and reduce the pearlescent effect
Due to the poor compatibility between the pearlescent pigment and the ABS substrate, the existing method is to blend and granulate the ABS and the pearlescent pigment through a twin-screw extruder with a long length-diameter ratio (greater than 40). This method has a relatively high shearing force. Large, and thus greater damage to pearlescent pigments
Make the pearlescent pigment particle size smaller, and then make the pearlescent effect of the finished product worse
[0006] 3. The mechanical properties of the finished product are poor
Customers feel "brittle" when using the following two ways, which lead to a large decline in the mechanical properties of ABS: A. The compatibility between pearlescent pigments and ABS is poor, and adding a certain proportion of pearlescent pigments has a greater impact on the performance of ABS; B. Longer diameter The twin-screw shear is strong, which will greatly damage the performance of ABS

Method used

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  • Novel pearly-luster ABS material and processing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A new pearlescent ABS material is composed of the following components in weight percentage: ABS resin is acrylonitrile-butadiene-styrene terpolymer, 85%; pearlescent pigment particles are flaky mica-coated pearlescent pigments, 6%; compatibilizer is white mineral oil, 6%; lubricant is zinc stearate, 0.8%; antioxidant is pentaerythritol ester 0.4%; toughening agent is styrene-butadiene-styrene copolymer, 1.8%;

[0024] The specific processing method includes the following steps:

[0025] (1) Take each raw material by formula ratio;

[0026] (2) Put the pearlescent pigment granules into a high-speed mixer and stir, the temperature of the high-speed mixer is 80-100°C, and stir at a speed of 400-500 rpm for 10-15 minutes to remove excess water in the pearlescent pigment granules;

[0027] (3) After removing the water in step (2), add the weighed compatibilizer and pearlescent pigment particles into the high-speed mixer, and stir the high-speed mixer at a speed of 900-110...

Embodiment 2

[0031] A new pearlescent ABS material is composed of the following components in weight percentage: ABS resin is acrylonitrile-butadiene-styrene terpolymer, 82%; pearlescent pigment particles are flaky mica-coated pearlescent pigments, 7.5%; compatibilizer is white mineral oil, 7.5%; lubricant is zinc stearate, 0.7%; antioxidant is pentaerythritol ester 0.5%; toughening agent is styrene-butadiene-styrene copolymer, 1.8%;

[0032] The specific preparation method is the same as Example 1 of the present invention.

Embodiment 3

[0034] A new pearlescent ABS material is composed of the following components in weight percentage: ABS resin is acrylonitrile-butadiene-styrene terpolymer, 80%; pearlescent pigment particles are flaky mica-coated pearlescent pigments, 9%; compatibilizer is white mineral oil, 9%; lubricant is zinc stearate, 0.8%; antioxidant is pentaerythritol ester 0.5%; toughening agent is styrene-butadiene-styrene copolymer, 1.7%;

[0035] The specific preparation method is the same as Example 1 of the present invention.

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Abstract

The invention discloses a novel pearly-luster ABS material. The novel pearly-luster ABS material is prepared from, by weight, 70-85% of ABS resin, 5-10% of pearlescent pigment particles, 5-10% of compatilizer, 0.5-1% of lubricant, 0.2-0.5% of antioxidant and 3-5% of flexibilizer. The components are evenly mixed in a high-speed mixer and a low-speed mixer, and are molten through a single screw extruder for extrusion and granulation. The pearly-luster ABS material produced through the processing method has a good pearly luster effect, and the mechanical performance is greatly improved compared with the prior art.

Description

technical field [0001] The invention relates to the field of polymer materials, in particular to a novel pearlescent ABS material and a processing method. Background technique [0002] With the continuous development of household appliances and the constant change of people's aesthetics, the housing of plastic household appliances with pearlescent effect is generally welcomed by people. At present, the pearlescent effect is mainly achieved through the following methods. ABS (acrylonitrile, styrene, butadiene copolymer) is used as the base material, and a certain proportion of pearlescent pigments are added through twin-screw blending and granulation, and then blended and granulated to produce The granular material is injection molded into a home appliance casing. The main component of the added pearlescent pigment is to coat a layer of metal oxide on the surface of the flaky mica, and change the particle size of the metal oxide and pearlescent pigment to achieve different p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02C08L91/00C08L53/02C08K9/02C08K5/098C08K5/103
CPCC08L55/02C08L2205/03C08L91/00C08L53/02C08K9/02C08K5/098C08K5/103
Inventor 纪云锋
Owner 厦门美佳美新材料科技有限公司
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