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Special color master batch for refrigerator plate and preparation thereof

A technology for color masterbatch and plate, which is applied in the field of special color masterbatch for refrigerator plates and its preparation, can solve the problems of uneven color of products, unstable double bond structure, material degradation, etc., and achieves simple and practical preparation method and long service life. , the effect of a wide range of applications

Active Publication Date: 2009-05-27
常州市改性塑料厂有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, if the coverage is not enough, after the product is subjected to a large tensile force after blistering, the corners will become thinner and the color will become transparent, making the color of the entire product uneven
[0006] From the point of view of material science, ABS and HIPS contain butadiene components, and butadiene contains double bond structure, which can make the material achieve good toughness, but this double bond structure is an unstable structure, and it will be damaged when heated and strengthened. Easily breaks double bonds when sheared, degrading the material
On the processed board, it is easy to change color and crack, and the yield rate is low in the subsequent blistering process

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The special color masterbatch for refrigerator plates of the present embodiment comprises the following components by weight: high-impact polystyrene (HIPS) is 15kg, nano titanium dioxide is 5kg, rutile titanium dioxide is 60kg, carbon black is 0.1kg, Ultramarine blue is 0.2kg, oil soluble yellow is 1kg, stearic acid is 0.5kg, zinc stearate is 2kg, N,N'-ethylene bisoleic acid amide is 4kg, N,N'-ethylene bisstearate The amide is 3kg, the antioxidant 1010 is 1kg, the antioxidant 168 is 1kg, the ultraviolet light absorber is 1kg, the fluorine-based polymer PPA is 2kg, and the white oil is 5kg.

[0021] The particle size of nano-titanium dioxide is less than 100nm, and its surface has been coated with metal oxides of silicon, aluminum, and magnesium, as well as stearic acid and titanate coupling agents. The surface of rutile titanium dioxide has been coated with silicon, aluminum, and magnesium Metal oxide and stearic acid and titanate coupling agent coating treatment.

[...

Embodiment 2～ Embodiment 6

[0025] The components and total percentages of each embodiment are shown in Table 1. The preparation method of each embodiment is basically the same as that of Example 1, and the differences are also shown in Table 1.

[0026] Table 1

[0027] Example 1 Example 2 Example 3 Example 4 Example 5 Example 6 carrier resin 15kgHIPS 15kgHIPS 20kgHIPS 20kgABS 25kgHIPS 15kgABS Titanium dioxide

Embodiment 7

[0029] The special color masterbatch for refrigerator boards of the present embodiment includes the following components by weight: 15 kg for styrene-butadiene-acrylonitrile copolymer (ABS), 10 kg for polymethyl methacrylate (PMMA), and 10 kg for nano-titanium White powder is 5kg, rutile titanium dioxide is 60kg, carbon black is 0.1kg, ultramarine blue is 0.2kg, phthalocyanine blue is 0.5kg, stearic acid is 0.8kg, calcium stearate is 1kg, zinc stearate is 1.5kg , N, N'-ethylene bis stearamide is 8kg, antioxidant is 10101kg, antioxidant DLTP is 1.5kg, ultraviolet absorber is 1.5kg, polysilicone is 2kg, and white oil is 7kg.

[0030] The particle size of nano-titanium dioxide is less than 100nm, and its surface has been coated with silicon, aluminum, magnesium complexes, stearic acid and aluminate coupling agents. The surface of rutile titanium dioxide has been coated with silicon, aluminum, and magnesium Complex and stearic acid and aluminate coupling agent coating treatment. ...

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Abstract

The invention discloses masterbatch special for a refrigerator plate and a preparation method thereof. The masterbatch comprises the following compositions by weight portion: 15 to 30 portions of carrier resin, 50 to 75 portions of titanium pigment, 0.1 to 5 portions of coloring agent, 0.5 to 20 portions of dispersing agent, 0.1 to 4 portions of stabilizer and 1 to 10 percent of processing agent. The preparation method comprises: firstly, mixing various compositions according to the proportion; secondly, mixing the various compositions in a high-speed kneader for 15 to 30 minutes or mixing the various compositions in a Banbury mixer for 20 to 60 minutes, and discharging and crushing a mixture, wherein the banburying temperature is between 170 and 230 DEG C; thirdly, fusing, mixing and granulating the mixture by a double-screw extruder, wherein the temperature of various areas of screws is between 190 and 230 DEG C, and the rotating speed of the screws is between 100 and 450 revolutions per minute; and fourthly, drying the mixture to obtain the masterbatch. The plate manufactured by the masterbatch special for the refrigerator plate is difficult to change color and crack, and has high finished product rate during plastic sucking.

Description

technical field [0001] The invention relates to a color masterbatch and a preparation method thereof, in particular to a special color masterbatch for refrigerator plates and a preparation method thereof. Background technique [0002] Among the components of refrigerators, the largest plastic parts are blister products such as liners and door panels, which are usually extruded from HIPS (high-impact polystyrene) or ternary copolymers of acrylonitrile-butadiene-styrene ABS (A stands for acrylonitrile, B stands for butadiene, S stands for styrene) extruded sheet after secondary processing, formed by blistering. [0003] As a durable consumer product, refrigerators usually have a service life of ten years, which requires the plastic products of refrigerators to have good physical and mechanical properties, weather resistance and high appearance requirements. [0004] According to the shape of the inner liner of the refrigerator, the stretch ratio of the blister is generally ab...

Claims

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Application Information

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IPC IPC(8): C08L51/04C08L55/02C08L33/12C08K13/06C08K9/10C08J3/22B29B9/00B29C47/92B29B7/28B29C48/40B29C48/92
CPCB29C48/92B29C2948/92704B29C48/04B29C48/40B29C48/9185B29C2948/9259B29C2948/92885B29C2948/92895
Inventor 高明李文青许宝强
Owner 常州市改性塑料厂有限公司
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