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Graphene modified polyethylene composite material and preparation method thereof

A graphene modification and composite material technology, which is applied in the field of graphene modified linear low density polyethylene composite material and its preparation, and achieves the effects of good gloss, low fluidity, film blowing and rotomolding

Inactive Publication Date: 2021-03-09
桃江县缘湘聚文化传媒有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved in the present invention is to overcome the deficiencies of existing polyethylene materials, to provide a graphene-modified linear low-density polyethylene (LLDPE) composite material with good gloss and low fluidity and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The graphene-modified polyethylene composite material of this embodiment is made of the following raw materials in parts by weight: 100 parts of linear low-density polyethylene (LLDPE), 10 parts of graphene, 25 parts of low-density polyethylene (LDPE), antioxidant 168 0.2 parts, 2 parts of carbon black, 1 part of stearic acid.

[0019] Preparation:

[0020] (1) Graphene and stearic acid are added to a high-speed mixer and mixed for 10 minutes to obtain a mixture;

[0021] (2) Add the linear low-density polyethylene, low-density polyethylene, antioxidant 168, and carbon black into a high-speed mixer, and mix for 7 minutes at 70° C. to obtain linear low-density polyethylene, low-density polyethylene, and anti-oxidant. A mixture of oxygen agent 168, carbon black, graphene and stearic acid;

[0022] (3) The mixture obtained in step (2) was extruded and granulated in a twin-screw, the barrel temperature was 150°C, and the screw speed was 100 rpm.

[0023] The mechanical p...

Embodiment 2

[0025] The present embodiment graphene-modified polyethylene composite material is made of the following raw materials in parts by weight: 100 parts of linear low-density polyethylene (LLDPE), 12 parts of graphene, 25 parts of low-density polyethylene (LDPE), antioxidant 168 0.2 parts, 2 parts of carbon black, 2 parts of stearic acid.

[0026] Preparation:

[0027] (1) Graphene and stearic acid are added to a high-speed mixer and mixed for 10 minutes to obtain a mixture;

[0028] (2) Add the linear low-density polyethylene, low-density polyethylene, antioxidant 168, and carbon black into a high-speed mixer, and mix for 7 minutes at 70° C. to obtain linear low-density polyethylene, low-density polyethylene, and anti-oxidant. A mixture of oxygen agent 168, carbon black, graphene and stearic acid;

[0029] (3) The mixture obtained in the step (2) was extruded and granulated in a twin-screw, the barrel temperature was 130° C., and the screw speed was 100 rpm.

[0030] The mecha...

Embodiment 3

[0032] The graphene-modified polyethylene composite material of this embodiment is made of the following raw materials in parts by weight: 100 parts of linear low-density polyethylene (LLDPE), 15 parts of graphene, 28 parts of low-density polyethylene (LDPE), antioxidant 168 0.2 parts, 2 parts of carbon black, 2 parts of stearic acid.

[0033] Preparation:

[0034] (1) Graphene and stearic acid are added to a high-speed mixer and mixed for 10 minutes to obtain a mixture;

[0035] (2) Add the linear low-density polyethylene, low-density polyethylene, antioxidant 168, and carbon black into a high-speed mixer, and mix for 7 minutes at 70° C. to obtain linear low-density polyethylene, low-density polyethylene, and anti-oxidant. A mixture of oxygen agent 168, carbon black, graphene and stearic acid;

[0036] (3) The mixture obtained in step (2) was extruded and granulated in a twin-screw, the barrel temperature was 150°C, and the screw speed was 100 rpm.

[0037] The mechanical ...

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Abstract

The invention discloses a graphene modified polyethylene composite material and a preparation method thereof. The graphene modified polyethylene composite material is prepared from the following raw materials in parts by weight: 100 parts of linear low-density polyethylene, 10-15 parts of graphene, 25-30 parts of low-density polyethylene, 0.1-0.5 part of an antioxidant 168, 0.5-2 parts of carbon black and 1-2 parts of stearic acid. The invention further discloses the preparation method of the graphene modified polyethylene composite material. The modified polyethylene composite material is good in glossiness, low in fluidity and beneficial to film blowing and rotational molding.

Description

technical field [0001] The invention relates to a polyethylene composite material and a preparation method thereof, in particular to a graphene-modified linear low-density polyethylene composite material and a preparation method thereof. Background technique [0002] Linear low-density polyethylene has excellent tensile, puncture, impact and tear resistance properties and is widely used in plastic films. However, LLDPE film has the disadvantages of poor gloss and high fluidity, which limit the processing and application of LLDPE film. Although the prior art has carried out some researches on the modification of linear low density polyethylene, the improvement of its performance is limited, and it still cannot meet the requirements of use. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the deficiencies of existing polyethylene materials, and provide a graphene-modified linear low-density polyethylene (LLDPE) co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/08C08L23/06C08K13/02C08K3/04C08K5/09C08K5/526
CPCC08L23/0815C08L2207/066C08L23/06C08K13/02C08K3/042C08K3/04C08K5/09C08K5/526
Inventor 不公告发明人
Owner 桃江县缘湘聚文化传媒有限责任公司
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