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Antistatic PET engineering plastic and preparation method thereof

An engineering plastic and antistatic technology, applied in the field of polymer composite materials and their preparation, to achieve the effects of reducing usage, improving mechanical properties, improving dispersibility and compatibility

Active Publication Date: 2013-07-03
惠州市好品科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the nano-antistatic agent in this method has not been treated, and the filling amount is high, so the nano-materials cannot be uniformly dispersed

Method used

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  • Antistatic PET engineering plastic and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A kind of antistatic PET engineering plastics, its preparation method is by steps:

[0033] Step 1. Put 3 parts of carbon nanotube A and 2 parts of carbon nanotube B into concentrated H with a volume ratio of 3:1. 2 SO 4 and HNO 3 In the mixed solution, under the action of ultrasonic vibration and mechanical stirring, it was treated for 4 hours, and then washed with a large amount of deionized water until neutral;

[0034] Step 2. Put the obtained carbon nanotubes into an ethanol solution containing 0.5% titanate coupling agent by mass percentage, oscillate with ultrasonic waves (at a temperature of 80° C.) for 2 hours, filter, and dry in vacuum;

[0035] Step 3, drying 95 parts of PET polyester chips in an oven at 140°C for 4 hours;

[0036] Step 4, 95 parts of PET polyester chips after drying and 3 parts of carbon nanotube A and 2 parts of carbon nanotube B after vacuum drying, and 0.2 part of polyethylene wax, 0.05 part of tetrakis [β-(3,5-di tert-butyl-4-hydroxy...

Embodiment 2

[0038] A kind of antistatic PET engineering plastics, its preparation method is by steps:

[0039] Step 1. Put 5 parts of carbon nanotubes A and 2 parts of carbon nanotubes B into concentrated H with a volume ratio of 3:1. 2 SO 4 and HNO 3 In the mixed solution, under the action of ultrasonic vibration and mechanical stirring, treat for 3h, then wash with a large amount of deionized water until neutral;

[0040] Step 2. Put the obtained carbon nanotubes into an ethanol solution containing 0.3% titanate coupling agent by mass percentage, oscillate with ultrasonic waves (at a temperature of 80° C.) for 3 hours, filter, and dry in vacuum;

[0041] Step 3, drying 90 parts of PET polyester chips in an oven at 150°C for 5 hours;

[0042] Step 4, 90 parts of PET polyester chips after drying and 5 parts of carbon nanotubes A and 2 parts of carbon nanotubes B after vacuum drying, and 0.3 parts of polyethylene wax, 0.04 parts of four [β-(3,5-di tert-butyl-4-hydroxyphenyl)propionic a...

Embodiment 3

[0044] A kind of antistatic PET engineering plastics, its preparation method is by steps:

[0045] Step 1. Put 6 parts of carbon nanotube A and 1 part of carbon nanotube B into concentrated H 2 SO 4 and HNO 3 In the mixed solution (volume ratio 3:1), under the action of ultrasonic vibration and mechanical stirring, treat for 5h, then wash with a large amount of deionized water until neutral;

[0046] Step 2. Put the obtained carbon nanotubes into an ethanol solution containing 0.6% titanate coupling agent by mass percentage, vibrate with ultrasonic waves (at a temperature of 80° C.) for 4 hours, filter, and dry in vacuum;

[0047]Step 3, drying 92 parts of PET polyester chips in an oven at 140°C for 4 hours;

[0048] Step 4, 92 parts of dried PET polyester chips and 6 parts of carbon nanotube A and 1 part of carbon nanotube B after vacuum drying, and 0.8 part of polyethylene wax, 0.06 part of tetra[β-(3,5- Di-tert-butyl-4-hydroxyphenyl) propionate] Pentaerythritol was mixe...

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Abstract

The invention belongs to polymer composite materials and the technical field of preparation methods of the polymer composite materials, particularly relates to an antistatic engineering plastic formed by carbon nano tube and PET (polyethylene terephthalate), and further relates to a preparation method thereof. The antistatic PET engineering plastic comprises the following components in parts by weight: 90 to 95 parts of PET, 2.0 to 7.0 parts of carbon nano tubes A, 1.0 to 5.0 parts of carbon nano tubes B, 0.1 to 1 part of coupling agent, 0.1 to 1 part of dispersant, and 0.02 to 0.1 part of antioxygen. The carbon nano tubes A are carbon nano tubes with particle size of 50 to 100 nm and the length of 5 to 20 Mum; the carbon nano tubes B are carbon nano tubes with the particle size of 10 to 30 nm and the length of 5 to 15 Mum; and the intrinsic viscosity number of the PET is higher than 0.9.

Description

[0001] technical field [0002] The invention belongs to the technical field of a polymer composite material and its preparation method, and in particular relates to an antistatic engineering plastic formed of carbon nanotubes and polyethylene terephthalate (PET), and also relates to a preparation method thereof. Background technique [0003] Polyethylene terephthalate (PET) is the most important polyester material at present. It is cheap, has excellent wear resistance, heat resistance, chemical resistance and high mechanical strength, and is mainly used in production Fiber, film and hollow container etc. However, PET also has disadvantages in the use of engineering plastics. Its crystallization speed is too slow at commonly used processing temperatures, resulting in prolonged molding cycles, and products are prone to sticking to the mold and warping; in addition, PET has poor toughness and impact resistance. These disadvantages limit the use of PET. On the other hand, be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08K9/04C08K9/02C08K7/00C08K3/04C08K5/134
Inventor 解芳梁浩沈友封科军任小俊
Owner 惠州市好品科技有限公司
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