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Preparation system device and preparation method for high-performance black master-batches

A technology of carbon black masterbatch and preparation system, which is applied in the masterbatch preparation system device and its preparation field, which can solve the problems of carrier resin and carbon black scattering, long production process, poor performance of carbon black masterbatch, etc., and achieve product The effect of good quality stability, high production efficiency and less equipment investment

Inactive Publication Date: 2013-02-13
NANJING UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to solve and improve the poor performance of the existing carbon black masterbatch, the production process is long, the space occupied is large, the investment in equipment is large, and the production process is easy to cause carrier resin and carbon black to scatter, causing production environmental pollution and affecting workers. Health problems and deficiencies, provide a high-performance carbon black masterbatch preparation system device and its preparation method, the prepared masterbatch can be used as an ultraviolet shielding agent and black colorant, widely used in polyolefin gas pipelines, water purification transportation Pipes, conductive plastics, films and cable materials, etc.

Method used

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  • Preparation system device and preparation method for high-performance black master-batches
  • Preparation system device and preparation method for high-performance black master-batches
  • Preparation system device and preparation method for high-performance black master-batches

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Raw material formula: 78.8 parts of HDPE (MFR=5g / 10min under the condition of 190°C×2.16kg), 20 parts of carbon black, 0.2 parts of bis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite antioxidant, 2,2'methylene-bis(4-methyl-6-tert-butylphenol) antioxidant 0.3 part, calcium stearate 0.5 part, fluoropolymer processing aid (Dynamar TM PPA) 0.2 parts.

[0039] Preparation:

[0040] Bis(2,4-di-tert-butylphenyl)pentaerythritol diphosphite antioxidant, 2,2'methylene-bis(4-methyl-6-tert-butylphenol) antioxidant, hard Calcium acetate, fluoropolymer processing aids (Dynamar TM PPA) and HDPE resin according to the ratio of 0.2:0.3:0.5:0.2:10 in the high-speed mixer at low speed, that is, control the speed of the mixer below 500rpm and stir for 5 minutes, then start high-speed stirring, that is, control the speed of the mixer above 1000rpm for 3 minutes After that, it can be discharged into another jacketed water-cooled mixer, and the mixture will continue to mix in the ...

Embodiment 2

[0044] Raw material formula: 68.3 parts of HDPE (MFR=16g / 10min under the condition of 190°C×2.16kg), 30 parts of carbon black, 0.3 parts of bis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite antioxidant, 0.3 part of 4,4'-thiobis(6-tert-butyl-3-methylphenol) antioxidant, 0.5 part of calcium stearate, 0.3 part of zinc stearate, fluoropolymer processing aid (Dynamar TM PPA) 0.3 parts.

[0045] Preparation:

[0046] Bis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite antioxidant, 4,4'-thiobis(6-tert-butyl-3-methylphenol) antioxidant, stearyl Calcium Acid, Zinc Stearate, Fluoropolymer Processing Aids (Dynamar TM PPA) and HDPE resin according to the ratio of 0.3:0.3:0.5:0.3:0.3:10 in the high-speed mixer under low-speed conditions, that is, control the speed of the mixer below 500rpm and stir for 6 minutes, and then start high-speed stirring to control the speed of the mixer at 1000rpm After the above 4 minutes, the material can be discharged to another mixer with ja...

Embodiment 3

[0050] Raw material formula: 58.9 parts of HDPE (MFR=18g / 10min under the condition of 190°C×2.16kg), 40 parts of carbon black, 0.3 parts of tris(2,4-di-tert-butylphenyl) phosphite antioxidant, 2, 2 methylene-bis(4-methyl-6-tert-butylphenol) antioxidant 0.2 part, calcium stearate 0.4 part, fluoropolymer processing aid (Dynamar TM PPA) 0.2 parts.

[0051] Preparation:

[0052] Tris(2,4-di-tert-butylphenyl)phosphite antioxidant, 2,2'methylene-bis(4-methyl-6-tert-butylphenol) antioxidant, stearic acid Calcium, fluoropolymer processing aids (Dynamar TM PPA) and HDPE resin according to the ratio of 0.3:0.2:0.4:0.2:5.5 in the high-speed mixer under low speed conditions, that is, control the speed of the mixer below 500rpm and stir for 3 minutes, then start high-speed stirring, that is, control the speed of the mixer above 1000rpm for 3 minutes After that, the material can be discharged into another jacketed water-cooled mixer, and the mixture is continuously mixed in the jacket...

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Abstract

The invention discloses a preparation system device and a preparation method for high-performance black master-batches. The preparation system device comprises a raw material bin, an integrated feeding system, a dual-rotor continuous mixing mill, a single-screw extruder and a granulator, wherein the integrated feeding system consists of n dynamic weighing systems; each dynamic weighing system consists of a middle bin, a weighing bin and a weight loss scale; the top of the middle bin is connected with the corresponding raw material bin through a sealed conveying pipeline; the middle bin is further connected with a vacuum pump through the sealed pipeline; the bottom of the middle bin is connected with the weighing bin through the sealed pipeline; a switching valve is arranged between the middle bin and the weighing bin; the weighing bin is provided with the weight loss scale for weighing raw materials; the bottom of each weighing bin is connected with the dual-rotor continuous mixing mill through the sealed pipeline; and n is less than or equal to number of used raw materials in the formula. The preparation system device realizes continuous and automatic production, high production efficiency and high stability of product quality.

Description

technical field [0001] The invention relates to a preparation system device and a preparation method of a masterbatch, and more specifically relates to a preparation system device and a preparation method of a high-performance carbon black masterbatch. Background technique [0002] Carbon black is an important functional filler. It is mainly used as a reinforcing filler in the rubber industry, and it can be used as an ultraviolet light shielding agent and black colorant in the plastics industry. Carbon black can be widely used in plastic gas pipelines, water purification pipelines, conductive plastics, plastic films, and cable materials. To achieve good dispersion, it can effectively shield the damage of ultraviolet light to plastic products, so that its service life can reach more than 50 years. In recent years, with the development of the economy and the advancement of technology, the demand for carbon black has increased significantly, and its application fields have als...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29B9/06B29B7/72B29C47/92C08L23/06C08L23/08C08K3/04C08J3/22B29C48/92
CPCB29C48/397B29C48/92B29C48/04B29C2948/9218B29C2948/92676B29C2948/92828B29B7/603B29B7/7461B29B7/7485B29B7/426B29B9/06B29B7/82B29B7/72
Inventor 张军江国栋陈双俊杨念新余新明杨气鹏
Owner NANJING UNIV OF TECH
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