Lightweight imitation ceramic composite material and preparation method thereof

A composite material and imitation ceramic technology, which is applied in the field of lightweight imitation ceramic composite materials and its preparation, can solve the problems of easy distortion and deformation in normal use, easy breakage, high energy consumption for firing, etc., to overcome fragility, bulkiness, surface Smooth and delicate, low thermal conductivity effect

Inactive Publication Date: 2015-09-16
WUJIANG HUACHENG COMPOSITE MATERIAL SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, ceramics also have disadvantages such as high firing energy consumption, bulkiness, poor toughness, low impact resistance, and fragility.
Therefore, people have turned to plastic products to replace ceramic products to generate greater interest, and many products have also been developed, but there are many defects and inconveniences in the actual use of plastic products, such as the inability to achieve high strength while having High toughness, ordinary PP plastic material is soft, easily twisted and deformed to affect normal use; PP plastic is brittle at low temperature; ordinary PS plastic material is hard but its toughness is poor, and it is easy to break after being stressed. Prone to serious problems such as debris splashing and hurting people

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Embodiment 1: A kind of light-weight imitation ceramic composite material, its composition and mass percentage are respectively: polyamide 25%, nano-ceramic powder 65%, coupling agent 0.5%, antioxidant 0.5%, zinc stearate 4% %, aluminum powder 5%.

[0014] In this embodiment, the coupling agent is a titanate coupling agent, and the antioxidant is a compound of hindered amine antioxidant and organic phosphite.

[0015] The preparation method of a light-weight imitation ceramic composite material specifically comprises the following steps:

[0016] (1) take the required raw material composition by said mass percentage;

[0017] (2) Nano-ceramic powder and aluminum powder are placed in a mixer and mixed uniformly, then sequentially add coupling agent, polyamide, antioxidant and zinc stearate and fully mix to be a premix;

[0018] (3) Place the premix obtained in step (2) in a twin-screw extruder for melt extrusion and granulation to obtain the lightweight imitation ceram...

Embodiment 2

[0019] Embodiment 2: a kind of light imitation ceramic composite material, its composition and mass percent are respectively: polyamide 25%, nano-ceramic powder 70%, coupling agent 0.6%, antioxidant 1%, zinc stearate 2% %, aluminum powder 1.4%.

[0020] In this embodiment, the coupling agent is a silane coupling agent, and the antioxidant is a hindered amine antioxidant.

[0021] The preparation method of a light-weight imitation ceramic composite material specifically comprises the following steps:

[0022] (1) take the required raw material composition by said mass percentage;

[0023] (2) Nano-ceramic powder and aluminum powder are placed in a mixer and mixed uniformly, then sequentially add coupling agent, polyamide, antioxidant and zinc stearate and fully mix to be a premix;

[0024] (3) Place the premix obtained in step (2) in a twin-screw extruder for melt extrusion and granulation to obtain the lightweight imitation ceramic composite material of the present invention...

Embodiment 3

[0025] Embodiment 3: a kind of light imitation ceramic composite material, its composition and mass percent are respectively: polyamide 25%, nano-ceramic powder 68%, coupling agent 0.2%, antioxidant 0.5%, zinc stearate 3.5% %, aluminum powder 2.8%.

[0026] In this embodiment, the coupling agent is a titanate coupling agent or a silane coupling agent, and the antioxidant is a hindered amine antioxidant and / or an organic phosphite.

[0027] The preparation method of a light-weight imitation ceramic composite material specifically comprises the following steps:

[0028] (1) take the required raw material composition by said mass percentage;

[0029] (2) Nano-ceramic powder and aluminum powder are placed in a mixer and mixed uniformly, then sequentially add coupling agent, polyamide, antioxidant and zinc stearate and fully mix to be a premix;

[0030] (3) Place the premix obtained in step (2) in a twin-screw extruder for melt extrusion and granulation to obtain the lightweight ...

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PUM

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Abstract

The invention discloses a lightweight imitation ceramic composite material. The lightweight imitation ceramic composite material is composed of, by mass, 25% of polyamide, 60 to 75% of nanosized ceramic powder, 0.2 to 0.6% of a coupling agent, 0.5 to 1% of an anti-oxidant, 2 to 5% of zinc stearate, and 0.5 to 5% of aluminium powder. According to a preparation method, the raw materials above are subjected to mixing, fusion, extrusion, and granulation under certain conditions so as to obtain the lightweight imitation ceramic composite material. The lightweight imitation ceramic composite material is light, excellent in mechanical properties, thermal insulation performance and comprehensive properties, and low in heat conductivity coefficient.

Description

technical field [0001] The invention relates to the technical field of composite material preparation, in particular to a lightweight imitation ceramic composite material and a preparation method thereof. Background technique [0002] Ceramic products are deeply loved by people because of their natural, beautiful, durable, and low-cost characteristics, and can be seen everywhere in life. However, ceramics also have disadvantages such as high firing energy consumption, bulkiness, poor toughness, low impact resistance, and fragility. Therefore, people have turned to plastic products to replace ceramic products with greater interest, and many products have also been developed, but there are many defects and inconveniences in the actual use of plastic products, such as the inability to achieve high strength while having High toughness, ordinary PP plastic material is soft in texture, easy to be twisted and deformed to affect normal use; PP plastic is brittle at low temperature;...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B26/20
Inventor 费金华
Owner WUJIANG HUACHENG COMPOSITE MATERIAL SCI & TECH
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