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Polyethylene masterbatch and preparation method thereof

A technology of polyethylene and color masterbatch, applied in the field of polyethylene color masterbatch and its preparation, can solve the problems of time-consuming, hopper manpower and other problems, and achieve the effects of broad application prospects, strong tinting strength and good dispersion performance.

Inactive Publication Date: 2018-02-06
苏州武江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] In view of the problem of color masterbatch in the prior art during the production of polyethylene color masterbatch and the lack of manpower and time for cleaning the hopper, the main purpose of the present invention is to provide a preparation of high flame-retardant PVC color masterbatch method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A polyethylene color masterbatch is made of the following raw materials in parts by weight: 62 parts of thermoplastic polyethylene resin powder, 4.2 parts of EVA resin, 3.6 parts of heavy calcium carbonate, 1.8 parts of polyethylene wax, and 30 parts of pigment.

[0028] The preparation method of described polyethylene color masterbatch, the steps are as follows:

[0029] (1) Mixing by high-speed internal mixer: first add powdery polyethylene resin and polyethylene wax, premix at high speed, the screw speed is 425RPM, the temperature is set at 25°C, and the time is 750 seconds; then add heavy High-quality calcium carbonate and pigments, high-speed premixing, the screw speed is 365RPM, the temperature is set to 26°C, the time is 720 seconds, and finally EVA resin is added, the screw speed is 370RPM, the temperature is set to 26°C, and the time is 450 seconds, obtain mixed base material;

[0030] (2) Mixing: the base material is extruded to obtain a polyethylene profile,...

Embodiment 2

[0035] A polyethylene color masterbatch is made of the following raw materials in parts by weight: 68 parts of thermoplastic polyethylene resin powder, 4.5 parts of EVA resin, 4.3 parts of heavy calcium carbonate, 1.2 parts of polyethylene wax, and 32 parts of pigment.

[0036] The preparation method of described polyethylene color masterbatch, the steps are as follows:

[0037] (1) Mixing by high-speed internal mixer: first add powdery polyethylene resin and polyethylene wax, premix at high speed, the screw speed is 430RPM, the temperature is set at 22°C, and the time is 800 seconds; then add heavy High-quality calcium carbonate and pigment, high-speed premixing, the screw speed is 380RPM, the temperature is set to 28 ° C, the time is 600 seconds, and finally EVA resin is added, the screw speed is 380 RPM, the temperature is set to 25 ° C, the time is 510 seconds, obtain mixed base material;

[0038] (2) Mixing: the base material is extruded to obtain a polyethylene profile,...

Embodiment 3

[0043] A polyethylene color masterbatch is made of the following raw materials in parts by weight: 50 parts of thermoplastic polyethylene resin powder, 3.4 parts of EVA resin, 2.8 parts of heavy calcium carbonate, 2.5 parts of polyethylene wax, and 28 parts of pigment.

[0044] The preparation method of described polyethylene color masterbatch, the steps are as follows:

[0045] (1) Mixing by high-speed internal mixer: first add powdered polyethylene resin and polyethylene wax, premix at high speed, the screw speed is 420RPM, the temperature is set at 28°C, and the time is 720 seconds; then add heavy High-quality calcium carbonate and pigments are premixed at high speed. The screw speed is 360RPM, the temperature is set at 25°C, and the time is 750 seconds. Finally, EVA resin is added. The screw speed is 360RPM, the temperature is set at 28°C, and the time is 420 seconds, obtain mixed base material;

[0046] (2) Mixing: Extrude the base material to obtain a polyethylene profi...

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PUM

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Abstract

The invention relates to the technical field of coloring of masterbatch for cables, in particular to polyethylene masterbatch and a preparation method thereof. The polyethylene masterbatch is preparedfrom the following raw materials in parts by weight: 55-70 parts of thermoplastic polyethylene resin powder, 3-5 parts of an ethylene vinyl acetate copolymer (EVA) resin, 2-5 parts of heavy calcium carbonate, 1-3 parts of polyethylene wax and 25-35 parts of pigment. After the production method of the polyethylene masterbatch is adopted, the color changing time is shortened during production, andthe time is reduced by 30min or more during each time of color changing; the product yield is increased, and the loss, caused by chromatic aberration, of customers can be avoided; furthermore, the prepared masterbatch is good in dispersing property and high in coloring power, and has a wide application prospect in PE wires and insulated cables.

Description

technical field [0001] The invention relates to the technical field of color masterbatch for cables, in particular to a polyethylene color masterbatch and a preparation method thereof. Background technique [0002] Masterbatch is a mixture of resin and a large number of pigments or dyes formulated into a high concentration of color. Color masterbatch, also known as color species, is an aggregate made by uniformly loading super-constant pigments or dyes in resin. When processing, a small amount of color masterbatch and uncolored resin can be mixed to achieve the design pigment. Concentration of colored resins or products. Color masterbatch is widely used in polyethylene, polypropylene, polystyrene, ABS, nylon, PC, PMMA, PET and other resins to produce colorful fibers, clothing, daily plastics, wires and cables, household Electrical appliances, agricultural films, auto parts, health care equipment and other products. [0003] At present, in the manufacturing process of PE p...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08L23/08C08K3/26C08J3/22
CPCC08J3/226C08J2323/06C08J2423/08
Inventor 张继中
Owner 苏州武江新材料科技有限公司
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