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Polyethylene antistatic filling master batch and preparation method thereof

A technology for filling masterbatch and polyethylene, applied in the field of plastic products, can solve the problems of poor compatibility between antistatic agents and polyethylene, uneven dispersion, etc., and achieve the effects of being beneficial to contact, easy to disperse, and improving antistatic performance

Inactive Publication Date: 2018-01-09
贵州通汇塑料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the above-mentioned deficiencies in the prior art, the purpose of the present invention is to provide a polyethylene antistatic filler masterbatch and its preparation method, which solves the problems of poor compatibility and uneven dispersion of existing antistatic agents and polyethylene

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The filler masterbatch in this embodiment is prepared from the following raw materials: 14kg of polyethylene, 80kg of modified bentonite, 4kg of polyethylene wax, 3kg of ethylene bis stearic acid amide, 2.5kg of phosphate ester coupling agent, and 8kg of carbon black.

[0031] Wherein, the preparation method of modified bentonite is as follows:

[0032] Mix tetradecyl pyridinium bromide and deionized water evenly, adjust the pH of the mixed solution to 8 with NaOH solution, then add 1000 mesh sodium bentonite, stir and react for 60 minutes, after the reaction is completed, filter the reaction solution, and dry the filter residue to obtain The modified bentonite: wherein the mass ratio of bentonite to tetradecylpyridinium bromide added is 1:0.03, the solid-liquid ratio of bentonite to deionized water is 8g / mL, and the reaction temperature is 80-85°C.

[0033] The preparation method of present embodiment filling masterbatch is as follows:

[0034] (1) Heat the high-speed...

Embodiment 2

[0040]The filling masterbatch in this embodiment is prepared from the following raw materials: 16 kg of polyethylene, 84 kg of modified bentonite, 5 kg of polyethylene wax, 4 kg of ethylene bis stearic acid amide, 2.6 kg of phosphate ester coupling agent, and 10 kg of carbon black.

[0041] Wherein, the preparation method of modified bentonite is as follows:

[0042] Mix tetradecyl pyridinium bromide and deionized water evenly, adjust the pH of the mixture to 9 with NaOH solution, then add 2000 mesh sodium bentonite, stir and react for 60 minutes, after the reaction is completed, filter the reaction solution, and dry the filter residue to obtain The modified bentonite: wherein the mass ratio of bentonite to tetradecylpyridinium bromide added is 1:0.04, the solid-liquid ratio of bentonite to deionized water is 9g / mL, and the reaction temperature is 80-85°C.

[0043] The preparation method of present embodiment filling masterbatch is as follows:

[0044] (1) Heat up the high-sp...

Embodiment 3

[0050] The filler masterbatch in this embodiment is prepared from the following raw materials: 20 kg of polyethylene, 90 kg of modified bentonite, 8 kg of polyethylene wax, 5 kg of ethylene bis stearic acid amide, 2.8 kg of phosphate ester coupling agent, and 12 kg of carbon black.

[0051] Wherein, the preparation method of modified bentonite is as follows:

[0052] Mix tetradecyl pyridinium bromide and deionized water evenly, adjust the pH of the mixed solution to 8 with NaOH solution, then add 2000 mesh sodium bentonite, stir and react for 70 minutes, after the reaction is completed, filter the reaction solution, and dry the filter residue to obtain The modified bentonite: wherein the mass ratio of bentonite to tetradecylpyridinium bromide added is 1:0.05, the solid-liquid ratio of bentonite to deionized water is 10g / mL, and the reaction temperature is 80-85°C.

[0053] The preparation method of present embodiment filling masterbatch is as follows:

[0054] (1) Heat the hi...

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Abstract

The invention discloses polyethylene antistatic filling master batch and a preparation method thereof. The filling master batch is prepared from the following raw materials in parts by weight: 14 to 20 parts of polyethylene, 80 to 90 parts of modified bentonite, 4 to 8 parts of polyethylene wax, 3 to 5 parts of ethylene-bis-stearamide, 2.5 to 2.8 parts of a phosphate coupling agent and 8 to 12 parts of carbon black. The preparation method comprises the following steps: (1) raising the temperature of a high-speed mixing machine to 180 DEG C to 200 DEG C, and keeping the temperature for 5min to10min; (2) adding the modified bentonite, the phosphate coupling agent and the carbon black, and stirring for 15min to 20min; continually stirring and cooling to 110 DEG C to 120 DEG C; (3) adding thepolyethylene wax and the ethylene-bis-stearamide and continually stirring for 1min to 2min; then adding the polyethylene, and mixing and stirring for 4min to 5min; discharging and cooling; (4) extruding and granulating a cooled material to obtain the polyethylene antistatic filling master batch. According to the polyethylene antistatic filling master batch and the preparation method thereof, disclosed by the invention, tetradecyl pyridinium bromide modified bentonite is adopted, and the compatibility between the modified bentonite and the polyethylene is improved, so that the prepared fillingmaster batch is easily dispersed in the polyethylene, and the mechanical property and the antistatic property of the polyethylene are improved.

Description

technical field [0001] The invention belongs to the field of plastic products, and in particular relates to a polyethylene antistatic filler masterbatch and a preparation method thereof. Background technique [0002] Polyethylene is a thermoplastic resin obtained by polymerizing ethylene, and it also includes copolymers of ethylene and a small amount of α-olefin in industry. Polyethylene is odorless, non-toxic, feels like wax, has excellent low temperature resistance, good chemical stability, can withstand most acid and alkali erosion, is insoluble in general solvents at room temperature, has low water absorption and excellent electrical insulation, so it is Widely used in all walks of life. [0003] Since polyethylene itself has a non-polar molecular structure, its molecular chain composed of covalent bonds can neither ionize nor transfer free electrons. Once it is charged due to the gain and loss of electrons due to friction, it can be easily eliminated. It belongs to the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08K13/06C08K9/04C08K3/34C08K5/20C08K5/521C08K3/04
Inventor 王鹏
Owner 贵州通汇塑料科技有限公司
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