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Graphene filled polymer matrix composite material and its preparation method

A technology for filling polymers and composite materials, applied in the field of graphene-filled polymer-based composite materials and their preparation, can solve the problems of complex preparation methods and difficult to scale, and achieves wide source of raw materials, suitable for large-scale production, and weather resistance. Good results

Active Publication Date: 2013-05-08
SHANGHAI GENIUS ADVANCED MATERIAL (GRP) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a graphene-filled polymer-based composite material and a preparation method thereof in order to solve the problems of complex and difficult-to-scale preparation methods in the prior art. The novel composite material has high electrical conductivity, high thermal conductivity, High mechanical properties, less filling, etc., continuous preparation method, suitable for large-scale production

Method used

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  • Graphene filled polymer matrix composite material and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Take the raw material according to the following parts by weight:

[0028] PP (Shanghai Petrochemical, F800EPS) 99 parts,

[0029] Graphene microflakes (Xiamen Kaina, KNG150) 0.1 parts,

[0030] KH-550 0.01 parts,

[0031] 0.5 parts of stearic acid,

[0032] Polyethylene wax 9.5 parts,

[0033] Among them, the thickness of the graphene microsheet is 15nm, which is composed of 10 layers of single-layer graphene;

[0034] (1) Dissolve the graphene microchips in the ethanol solution with the coupling agent first, so that the ethanol solution dissolved in the coupling agent is completely immersed in the graphene microchips, stir at high speed with a stirrer, and place it in the ultrasonic pool at the same time Ultrasonic dispersion for 30 minutes, and then placed in a blast oven at 105 ° C for 16 hours;

[0035] (2) Accurately weigh the graphene microflakes, PP resin, stearic acid and polyethylene wax processed in step (1), add them into a high-speed mixer and mix them...

Embodiment 2

[0039] Take the raw material according to the following parts by weight:

[0040] PBT (Rand Nano, 130GRS) 95 parts,

[0041] Graphene microflakes (Xiamen Kaina, KNG150) 5 parts,

[0042] 0.5 parts of NDZ-101,

[0043] 1.5 parts of stearic acid,

[0044] Polyethylene wax 1 part,

[0045] Among them, the thickness of the graphene microsheet is 12nm, which is composed of 20 layers of single-layer graphene;

[0046] (1) Dissolve the graphene microchips in the ethanol solution with the coupling agent first, so that the ethanol solution dissolved in the coupling agent is completely immersed in the graphene microchips, stir at high speed with a stirrer, and place it in the ultrasonic pool at the same time Ultrasonic dispersion for 30 minutes, and then dried in a blast oven at 120°C for 8 hours;

[0047] (2) Accurately weigh the graphene microflakes, PBT resin powder, stearic acid and polyethylene wax processed in step (1) and add them into a high-mixer to mix evenly. The mixing ...

Embodiment 3

[0051] Take the raw material according to the following parts by weight:

[0052] PVC (Guizhou Anlong, SG-5) 90 parts,

[0053] Graphene microflakes (Xiamen Kaina, KNG150) 0.1 parts,

[0054] A-171 1 copy,

[0055] Zinc stearate 1.5 parts,

[0056] 5 parts of methyl silicone oil,

[0057] Among them, the thickness of the graphene microsheet is 15nm, which is composed of 10 layers of single-layer graphene;

[0058] (1) Dissolve the graphene microchips in the ethanol solution with the coupling agent first, so that the ethanol solution dissolved in the coupling agent is completely immersed in the graphene microchips, stir at high speed with a stirrer, and place it in the ultrasonic pool at the same time Ultrasonic dispersion for 30 minutes, and then dried in a blast oven at 90°C for 24 hours;

[0059] (2) Accurately weigh the graphene microflakes, PVC resin, zinc stearate and methyl silicone oil processed in step (1) and add them into a high-mixer to mix evenly. The mixing tim...

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Abstract

The invention discloses a graphene filled polymer matrix composite material. The composite material is prepared through using 90-99 parts by weight of a thermoplastic resin, 0.1-10 parts by weight of a graphene microchip, 0.01-1 part of a coupling agent, and 1-10 parts of a lubricant. The invention also discloses a preparation method of the graphene filled polymer matrix composite material. Compared with other carbon system filled composite materials, the graphene filled polymer matrix composite material has the advantages of easy processing, easy forming, less filler filling amount, wide raw material source, environmental protection and the like. The composite material has the characteristics of excellent electric conductivity, excellent thermal conductivity, good mechanical properties, good dimensional stability, good weather resistance and the like; and compared with present technologies for preparing a graphene / polymer composite material through in-situ polymerization or solution polymerization, the melt blending method for preparing the graphene filled polymer matrix composite material in the invention has the advantages of continuous production, suitableness for the large-scale production, and the like.

Description

technical field [0001] The invention relates to the technical field of polymer composite materials, in particular to a graphene-filled polymer-based composite material and a preparation method thereof. Background technique [0002] Graphene is the thinnest known material, very strong and hard. Graphene has a very special structure at the atomic scale. As a single substance, it can transfer electrons faster than known conductors at room temperature. The structure of graphene is very stable. So far, researchers have not found any missing carbon atoms in graphene. The connections between the individual carbon atoms in graphene are very flexible. When an external mechanical force is applied, the faces of the carbon atoms bend and deform, so that the carbon atoms do not have to rearrange to accommodate the external force, and the structure remains stable. Such a stable lattice structure makes carbon atoms have excellent electrical conductivity. Electrons in graphene move thro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L27/06C08L25/06C08L67/02C08K13/06C08K9/06C08K9/04C08K3/04B29B9/06B29C47/92B29C43/58B29C48/92
CPCB29C48/04B29C48/40B29C48/92B29C2948/92561B29C2948/92704B29C2948/92895B29C2948/92923
Inventor 刘欣
Owner SHANGHAI GENIUS ADVANCED MATERIAL (GRP) CO LTD
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