PET antibacterial antistatic smooth master batch and preparation method thereof

An antistatic and antistatic agent technology, which is applied in the field of PET antibacterial antistatic smooth masterbatch and its preparation, can solve the problems of poor antibacterial performance durability, poor antistatic effect, yellowing of products, etc., and achieve smooth and smooth surface, Improve product performance and processing environment, simple operation effect

Inactive Publication Date: 2014-06-25
QINGDAO XINZHAN PLASTIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Polyethylene terephthalate (PET) is a crystalline polymer widely used in Packaging films for cosmetics, food, electronics, toys, printing and other industries, but polyethylene terephthalate used alone has poor smoothness and poor antistatic effect
At the same time, with the improvement of people's living standards, the demand for antibacterial PET is also increasing. Adding an appropriate amount of antibacterial agent can endow PET with a certain antibacterial and bactericidal ability, but the disadvantage is that the antibacterial performance is poor in durability, and it may also lead to the production process. Heat reaction will make the product turn yellow, change color, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A PET antibacterial and antistatic slippery masterbatch, its components are proportioned by mass percentage: polyethylene terephthalate (PET) 45%, oleic acid amide 20%, antiblocking agent 10%, fatty acid glycerol mono 15% ester, 6% silver ion antibacterial calcium phosphate, 2% polyethylene wax, 1.5% silane coupling agent, and 0.5% other additives. Silica, the other additives described are stabilizers and pigments.

[0021] Preparation method: (1) Weigh each component according to the weight ratio for use; (2) Add the blocking agent and silane coupling agent into a high-speed mixer with a rotation speed of 500-1500 rpm, and mix for 3-5 minutes , and then add polyethylene terephthalate (PET), oleic acid amide, fatty acid monoglyceride, silver ion antibacterial calcium phosphate, polyethylene wax and other additives into the high-speed mixer. (3) Add the above-mentioned mixed materials into the twin-screw extruder to fully melt and blend, the melting temperature is contr...

Embodiment 2

[0023] A PET antibacterial and antistatic slippery masterbatch, its components are proportioned by mass percentage: polyethylene terephthalate (PET) 63%, oleic acid amide 10%, antiblocking agent 5%, fatty acid diglyceride 10% ester, 10% silver sulfadiazine, 1% oxidized polyethylene wax (EVA wax), 0.5% silane coupling agent, and 0.5% other additives. Light synthetic silica, the other additives are stabilizers and colorants.

[0024] Preparation method: (1) Weigh each component according to the weight ratio for use; (2) Add the blocking agent and silane coupling agent into a high-speed mixer with a rotation speed of 500-1500 rpm, and mix for 3-5 minutes , then add polyethylene terephthalate (PET), oleic acid amide, fatty acid diglyceride, silver sulfadiazine, oxidized polyethylene wax (EVA wax) and other additives into the high-speed mixer, at 85 ℃ ~ Mix at 100°C for 5-15 minutes; (3) Add the above-mentioned mixed materials into the twin-screw extruder to fully melt and blend, ...

Embodiment 3

[0026] A PET antibacterial and antistatic slippery masterbatch, its components are proportioned by mass percentage: polyethylene terephthalate (PET) 30%, erucamide 30%, antiblocking agent 15%, fatty acid polyethylene 10% glycol ester, 10% silver sulfadiazine, 3% ethylene bis stearic acid amide (EBS), 2% silane coupling agent, wherein the opening agent is a light quality synthetic silica.

[0027] Preparation method: (1) Weigh each component according to the weight ratio for use; (2) Add the blocking agent and silane coupling agent into a high-speed mixer with a rotation speed of 500-1500 rpm, and mix for 3-5 minutes , and then add polyethylene terephthalate (PET), erucamide, fatty acid polyethylene glycol ester, silver sulfadiazine and ethylene bisstearamide (EBS) into the high-speed mixer, at 85 ℃ Mix at ~100°C for 5-15 minutes; (3) Put the above-mentioned mixed materials into the twin-screw extruder to fully melt and blend, the melting temperature is controlled at 260°C-280...

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Abstract

The invention discloses a PET antibacterial antistatic smooth master batch and a preparation method thereof. The PET antibacterial antistatic smooth master batch comprises, by mass, 30 to 70% of a carrier, 10 to 30% of a smoothing agent, 5 to 15% of an opening agent, 10 to 20% of an antistatic agent, 5 to 10% of an antibacterial agent, 1 to 3% of a dispersant, 0.5 to 2% of a coupling agent and 0 to 1% of other additives. The invention has the following beneficial effects compared with the prior art: when applied in PET films or laminates, the PET antibacterial antistatic smooth master batch has good anti-blocking and smoothing effects, long-lasting and stable antibacterial performance, excellent anti-static performance and good mechanical strength, enables a smooth and flat surface to be obtained, is simple to operate and convenient to use, better improves product performance, processing environment and the like and has wide application prospects.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a PET antibacterial and antistatic smooth masterbatch and a preparation method thereof. Background technique [0002] Polyethylene terephthalate (PET) is a crystalline polymer widely used in Packaging films for cosmetics, food, electronics, toys, printing and other industries, but the smoothness of polyethylene terephthalate alone is relatively poor, and the antistatic effect is not good. At the same time, with the improvement of people's living standards, the demand for antibacterial PET is also increasing. Adding an appropriate amount of antibacterial agent can endow PET with a certain antibacterial and bactericidal ability, but the disadvantage is that the antibacterial performance is poor in durability, and it may also lead to the production process. Heat reaction will cause the product to turn yellow, change color, etc. Contents of the invention [0003] The ob...

Claims

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Application Information

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IPC IPC(8): C08L67/02C08K13/06C08K5/20C08K3/36C08K3/32C08K5/435C08J3/22
Inventor 不公告发明人
Owner QINGDAO XINZHAN PLASTIC
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