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Method for preparing polypropylene coloring master batch

A technology of coloring masterbatch and polypropylene, which is applied in the field of plastic additives, can solve the problems of insufficient processing performance and high temperature resistance, and achieve the effects of saving non-renewable resources, reducing the intensity of ultraviolet rays, and expanding the scope of application

Inactive Publication Date: 2015-12-23
BLUESTAR CHENGDU NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims to solve the problems in the prior art that the processing performance of the high-temperature-resistant masterbatch is not good enough and the high-temperature-resistant effect is not good when it is used, and proposes a new preparation method for polypropylene coloring masterbatch, which is mainly used as polypropylene A processing aid for hot water pipes, improving the processing performance of products and the performance of high temperature resistance and weather resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The preparation method of polypropylene color masterbatch comprises the following steps:

[0028] A. .mixture

[0029] Add 35 parts of polypropylene and 12 parts of polyethylene wax weighed in parts by weight into a high-speed mixer, and after mixing for 26 minutes, add 10 parts of nano-montmorillonite weighed in parts by weight, 2 parts of pigments, and 100 parts of filler 1 part, 1 part of antibacterial agent, 1 part of light stabilizer, 1 part of heat stabilizer, discharge after continuing to mix for 10min; Described strengthening modifier is nano-silicon;

[0030] B. to extrude

[0031] Transfer the mixed material in step A to the extruder. The temperature of each temperature zone of the extruder is: 80°C, 105°C, 125°C, 130°C, 125°C, and the temperature of the die head of the extruder is 120°C; The deviation is ±2°C.

[0032] C. Granulation and packaging

[0033] After the extruded filaments are cooled in the cooling water pool, they are granulated by a granula...

Embodiment 2

[0035] The preparation method of polypropylene color masterbatch comprises the following steps:

[0036] A. .mixture

[0037] Add 40 parts of polypropylene and 15 parts of polyethylene wax weighed by weight into a high-speed mixer, and after mixing for 2 to 6 minutes, add 14 parts of nano-montmorillonite weighed by weight, 6 parts of pigment, and fill 15 parts of antimicrobial agent, 4 parts of antibacterial agent, 2 parts of light stabilizer, 2 parts of heat stabilizer, discharge after continuing to mix 20min; Described strengthening modifier is nano-silicon;

[0038] B. to extrude

[0039] Transfer the mixed material in step A to the extruder. The temperature of each temperature zone of the extruder is: 90°C, 110°C, 135°C, 140°C, 135°C, and the temperature of the die head of the extruder is 135°C;

[0040] C. Granulation and packaging

[0041] After the extruded filaments are cooled in the cooling water pool, they are granulated by a granulator, and the length of the gra...

Embodiment 3

[0043] The preparation method of polypropylene color masterbatch is characterized in that: comprises the following steps:

[0044] A. .mixture

[0045] Add 45 parts of polypropylene and 18 parts of polyethylene wax weighed by weight into a high-speed mixer, and after mixing for 4 minutes, add 13 parts of nano-montmorillonite, 6 parts of pigment, and 15 parts of filler weighed by weight. part, 3 parts of antibacterial agent, 4 parts of light stabilizer, 4 parts of thermal stabilizer, discharge after continuing to mix 12min; Described strengthening modifier is nano-silicon;

[0046] B. to extrude

[0047] Transfer the mixed material in step A to the extruder. The temperature of each temperature zone of the extruder is: 85°C, 108°C, 128°C, 135°C, 130°C, and the temperature of the die head of the extruder is 125°C;

[0048] C. Granulation and packaging

[0049] After the extruded filaments are cooled in the cooling water pool, they are granulated by a granulator, and the lengt...

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Abstract

The invention discloses a method for preparing a polypropylene coloring master batch, and belongs to the technical field of plastic additives. The method includes the steps that A, polypropylene and polyethylene wax which are weighed by weight are added into a high-speed blender mixer, and after materials are mixed for 2-6 minutes, nano-montmorillonite, pigment, filler, an antibacterial agent, a light stabilizer and a heat stabilizer which are weighed by weight are added; discharging is conducted after mixing continues for 10-25 minutes; a reinforced modifying agent is nano silicon; B, the materials well mixed in the step A are transferred to an extruding machine, the temperatures of all temperature zones of the extruding machine are 80-90 DEG C, 105-110 DEG C, 125-135 DEG C, 130-140 DEG C and 125-135 DEG C respectively, and the die head temperature of the extruding machine is 120-135 DEG C; C, pelleting and packaging only need to be carried out. The coloring master batch prepared through the method has the advantages that high-temperature resistance and processability are good, the service life of the product is long after the method is used, and the application range is wide.

Description

technical field [0001] The invention relates to a coloring masterbatch, in particular to a preparation method of a polypropylene coloring masterbatch, and belongs to the technical field of plastic additives. Background technique [0002] Compared with traditional cast iron pipes, galvanized steel pipes, cement pipes and other pipes, polypropylene pipes have the advantages of energy saving, environmental protection, light weight and high strength, corrosion resistance, smooth inner wall without scaling, easy construction and maintenance, and long service life. , Widely used in building water supply and drainage, urban and rural water supply and drainage, city gas, electric power and optical cable sheathing, industrial fluid transportation, agricultural irrigation and other construction, municipal, industrial and agricultural fields. [0003] The polypropylene water pipes in the prior art are generally PPR water pipes, which are divided into hot water pipes and cold water pipe...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L23/06C08K3/34C08K3/36C08K3/26C08K3/22B29C47/92B29C48/92
CPCC08L23/12B29C48/92B29C2948/92704C08K2201/011C08L2201/08C08L2203/18C08L2205/03C08L2310/00C08L23/06C08K3/346C08K3/36C08K2003/265C08K2003/2296
Inventor 曹先军王凤德赵奕崔晓静高川刘咏梅
Owner BLUESTAR CHENGDU NEW MATERIALS
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