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Long-acting antistatic foamed polyvinyl chloride

A polyvinyl chloride, antistatic technology, applied in the field of long-term antistatic foamed polyvinyl chloride, can solve the problems of surface cell structure discontinuity, easy to generate static electricity, etc.

Pending Publication Date: 2021-01-26
JINING GOLD POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, it is very easy to generate static electricity during use, especially the discontinuity caused by its surface cell structure, which makes it very easy to generate static electricity

Method used

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  • Long-acting antistatic foamed polyvinyl chloride

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0021] Liu Yi and others studied the preparation and research of antistatic PVC (Green Packaging Research, 2016, 4:35-37), and analyzed the influence of external coating materials on antistatic properties. Wang Kefeng and others studied the antistatic performance of PVC flame-retardant conveyor belts for coal mines (Henan Chemical Industry, 2011, 24(9): 29-31), and the results showed that adding certain non-ionic surfactants KJ-210 and conductive acetylene black to PVC It can improve the antistatic performance of PVC, and also improve the flame retardant performance of PVC. The addition of nano-carbon materials will also affect the mechanical properties of PVC. Cheng Bo et al.’s research on the properties of nano-graphite microflakes shows that with the increase of graphite flake content in PVC, its mechanical properties first increase and then decrease. This should be It is caused by the interaction of PVC and graphite flakes. Hu Shu et al. reviewed the mechanism and applica...

Embodiment 1

[0043] 1. Mix 2 kg of glyceryl monostearate, oleic acid, and KH560 at a mass ratio of 1:1:1 at 150°C to obtain a surfactant.

[0044] 2. Add a specific surface area of ​​180 m to the molten surfactant 2 / g of reduced graphene oxide with a specific surface area of ​​200 m 2 Each 1000 g of carbon nanotubes / g was fully mixed, and the surfactant was fully adsorbed on the surface of reduced graphene oxide and carbon nanotubes.

[0045] 3. Mix the mixture prepared in 2 and 20 kg PVC in the mixer evenly, and then enter the granulator for granulation. The working temperature of the granulator is 150 ℃, and the particle size of the obtained antistatic mesh granules is Φ3× 5 (mm) cylindrical particles. In order to improve the dispersion uniformity of reduced graphene oxide and carbon nanotubes in polyvinyl chloride, the prepared masterbatch can be subjected to secondary granulation to obtain a masterbatch with uniformly dispersed components.

[0046] 4. Fully mix the antistatic maste...

Embodiment 2

[0049] 1. The specific surface area is 60 m 2 / g of reduced graphene oxide, with a specific surface area of ​​130 m 2 / g of carbon nanotubes, the ratio of the two is 1:1.2, and 2 kg of the homogeneous mixture is prepared for use.

[0050] 2. Take 2 kg of glyceryl monostearate, oleic acid and KH560 surfactant with a mass ratio of 1:1:1, and mix them thoroughly with 2 kg of the mixture material.

[0051] 3. Take 2 kg of the mixture prepared in step 2 and 20 kg of PVC and mix them thoroughly in a mixer, then granulate in a granulator to obtain an antistatic masterbatch of Φ3×5 (mm).

[0052] 4. Take the antistatic masterbatch and polyvinyl chloride according to the mass ratio of 1:8 and 1:15 and then foam them separately to obtain two kinds of foamed polyvinyl chloride. The surface resistance of the prepared foamed polyvinyl chloride 50 ohms and 660 ohms respectively.

[0053] 5. After the prepared foamed antistatic PVC is placed under natural conditions indoors for 30 days, t...

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Abstract

The invention relates to long-acting antistatic foamed polyvinyl chloride. The designed long-acting antistatic foamed polyvinyl chloride adopts reduced graphene oxide and carbon nanotubes as antistatic agents. In the preparation process of the antistatic foamed polyvinyl chloride, the reduced graphene oxide and the carbon nanotubes are prepared to form an antistatic master batch; in order to improve the dispersity of the reduced graphene oxide and the carbon nanotubes in the polyvinyl chloride, oleic acid, glyceryl monostearate and KH-560 (3-glycidyl ether oxypropyl trimethoxy silane) are usedas surfactants, and the oleic acid, the glyceryl monostearate and the KH-560 are not removed any more in a foaming process; a ratio of the reduced graphene oxide to the carbon nanotubes can be changed within a certain range, but the specific surface area of a mixture of the reduced graphene oxide and the carbon nanotubes is greater than 80 m<2> / g; and the ratio of the reduced graphene oxide and the carbon nanotubes to polyvinyl chloride is in a range of 1: 50 to 1: 400, optimally in a range of 1: 100 to 1: 300.

Description

technical field [0001] The invention relates to the field of chemical industry, in particular to a long-acting antistatic foamed polyvinyl chloride. Background technique [0002] Static electricity is a natural phenomenon, which is ubiquitous in daily production and life, especially in the dry climate in the north, where static electricity is more common. With the wide application of chemical fiber and plastic products, the environment prone to static electricity is also increasing year by year, and the damage caused by static electricity to damage products is as high as hundreds of millions of dollars every year. In order to improve the antistatic performance of materials, it is common practice to add a certain amount of antistatic agent to the surface or bulk phase of the material. At present, the plastic that consumes the most antistatic agent is polyolefin resin. [0003] Foamed polyvinyl chloride (PVC) is an expandable and highly foamed plastic product extruded from PV...

Claims

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Application Information

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IPC IPC(8): C08L27/06C08K13/02C08K3/04C08K5/103C08K5/5435C08J9/00
CPCC08J9/0023C08J9/0066C08J9/0071C08J9/0042C08J9/0095C08J2327/06
Inventor 陈海天张玉标宋磊孙云峰黄太仲
Owner JINING GOLD POWER
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