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Antistatic and aging resistant PET/PTT alloy and preparation method thereof

An anti-aging and anti-static technology, applied in the field of polymer materials, can solve the problems of unstable mechanical strength, poor aging resistance, and insufficient anti-static properties of PET/PTT alloys, and achieve low cost, good processability, and excellent anti-static properties. Effects of electrostatic properties and aging resistance

Inactive Publication Date: 2015-08-19
王妮娜
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the unmodified PET / PTT alloy has problems such as unstable mechanical strength, insufficient antistatic property, and poor aging resistance, which will greatly limit its application range.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] An antistatic anti-aging PET / PTT alloy, its components are proportioned by mass percentage: PET 60%, PTT 20%, SMA 3%, nano silicon dioxide 3%, glass fiber 8%, polyethylene oxide 3%, 2-(2-hydroxy-3,5-dibutyl-tert-phenyl)-5-chlorobenzotriazole 2%, antioxidant 1010 0.2%, TAF 0.8%, the glass fiber is the surface through γ -Alkali-free chopped glass fibers treated with aminopropyltrimethoxysilane coupling agent.

[0021] Preparation method: (1) Dry PET and PTT in a forced air circulation oven at 110°C-120°C for 6-8 hours, and set aside; (2) Weigh the dry PTT according to the weight ratio and add it to high-speed mixing In the container, add polyethylene oxide, 2-(2-hydroxy-3,5-dibutyl-tert-phenyl)-5-chlorobenzotriazole, antioxidant 1010, and TAF at the same time according to the weight ratio, so that Mix for 3 to 15 minutes. After fully mixed and uniform, discharge the material into a twin-screw extruder to melt, extrude, pelletize, and dry for later use; (3) Weigh the dry ...

Embodiment 2

[0023] An antistatic anti-aging PET / PTT alloy, its components are proportioned by mass percentage: PET 34%, PTT 40%, SMA 4.5%, nano silicon dioxide 3%, glass fiber 12%, polyethylene glycol alkane 3% of base ether, 2% of 2-hydroxy-4 n-octyloxy-benzophenone, 0.5% of the compound of antioxidant 1010 and antioxidant 168, and 1% of TAF. -Alkali-free chopped glass fibers treated with aminopropyltrimethoxysilane coupling agent.

[0024] Preparation method: (1) Dry PET and PTT in a forced air circulation oven at 110°C-120°C for 6-8 hours, and set aside; (2) Weigh the dry PTT according to the weight ratio and add it to high-speed mixing In the container, add polyethylene glycol alkyl ether, 2-hydroxyl-4 n-octyloxy-benzophenone, the compound of antioxidant 1010 and antioxidant 168, and TAF at the same time according to the weight ratio, so that Mix for 3 to 15 minutes. After fully mixed and uniform, discharge the material into a twin-screw extruder to melt, extrude, pelletize, and dry ...

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PUM

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Abstract

The invention discloses an antistatic and aging resistant PET / PTT alloy and a preparation method thereof. The antistatic and aging resistant PET / PTT alloy comprises the following components by mass: 34%-60% of PET, 20%-40% of PTT, 3%-5% of SMA, 1%-3% of nano-silicon dioxide, 8%-12% of glass fiber, 1%-3% of an antistatic agent, 0.5%-2% of an aging resistant agent, 0.1%-0.5% of an antioxidant, and 0.1%-1% of TAF. The antistatic agent is one of polyethylene oxide, polyether ester amide, polyether ester imide, polyethylene glycol alkyl ether, glycerol monostearate, and alkyl sodium sulfonate. The antistatic and aging resistant PET / PTT alloy provided by the invention has the respective advantages of PET and PTT, also has the characteristics of excellent antistatic performance and aging resistance, high strength, good machinability and low cost, and is suitable for industrial production and popularization and application.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to an antistatic antiaging PET / PTT alloy and a preparation method thereof. Background technique [0002] Polyethylene terephthalate (PET) / polytrimethylene terephthalate (PTT) is a new type of plastic alloy with good physical and mechanical properties. with broadly application foreground. However, the unmodified PET / PTT alloy has problems such as unstable mechanical strength, insufficient antistatic property, and poor aging resistance, which will greatly limit its application range. Contents of the invention [0003] The object of the present invention is to provide an antistatic anti-aging PET / PTT alloy with excellent mechanical strength and appearance and a preparation method thereof. [0004] The technical solution adopted by the present invention to solve the technical problem is: an antistatic anti-aging PET / PTT alloy, its components are proportioned by mass percen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08L35/06C08L71/02C08L71/08C08K13/06C08K9/06C08K7/14C08K3/36C08K5/3475C08K5/132C08K5/134C08K5/526B29C47/92B29C48/92
Inventor 不公告发明人
Owner 王妮娜
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