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Potassium titanate whisker modified polystyrene microsphere composite material and preparation method thereof

A technology of polystyrene microspheres and potassium titanate whiskers, which is applied in the field of polymers, can solve problems such as insufficient mechanical strength and wear resistance, poor size uniformity of powder materials, and large reduction in mechanical strength, and achieve apparent quality Improve, improve the mechanical strength and wear resistance, the effect of fast forming speed

Inactive Publication Date: 2016-11-23
HEFEI GENIUS NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the powder preparation process has certain hazards. The known powder materials have poor size uniformity and a large decrease in mechanical strength, resulting in insufficient mechanical strength and wear resistance of the formed parts.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] (1) Add the required raw materials into the container one after another:

[0037] 100 parts of polystyrene microspheres,

[0038] Potassium hexatitanate whiskers 5 parts,

[0039] 0.1 parts of coupling agent γ-aminopropyltriethoxysilane,

[0040] Light stabilizer benzotriazole chloride 0.1 part,

[0041] 0.5 part of defoamer ethylene oxide propylene oxide copolyether,

[0042] Leveling agent organosilicon-propylene oxide copolymer 0.5 parts,

[0043] Antioxidant tris(2,4-di-tert-butyl)phenyl phosphite 0.1 parts.

[0044] (2) Stir the mixed material at high speed for 10 minutes at 50°C until it is evenly dispersed;

[0045] (3) Prepare the above materials into workpieces on laser sintering rapid prototyping equipment.

Embodiment 2

[0047] (1) Add the required raw materials into the container one after another:

[0048] 100 parts of polystyrene microspheres,

[0049] Potassium hexatitanate whiskers 15 parts,

[0050] 0.2 parts of coupling agent γ-aminopropyltriethoxysilane,

[0051] 0.2 parts of light stabilizer benzotriazole chloride,

[0052] 1.5 parts of defoaming agent ethylene oxide propylene oxide copolyether,

[0053] Leveling agent silicone-propylene oxide copolymer 0.6 parts,

[0054] 0.2 part of antioxidant tris(2,4-di-tert-butyl)phenyl phosphite.

[0055] (2) The mixed material was stirred at a high speed for 15 minutes at 60°C until it was evenly dispersed;

[0056] (3) Prepare the above materials into workpieces on laser sintering rapid prototyping equipment.

Embodiment 3

[0058] (1) Add the required raw materials into the container one after another:

[0059] 100 parts of polystyrene microspheres,

[0060] Potassium hexatitanate whiskers 20 parts,

[0061] 0.3 parts of coupling agent γ-aminopropyltriethoxysilane,

[0062] 0.3 part of light stabilizer benzotriazole chloride,

[0063] 2.5 parts of defoaming agent ethylene oxide propylene oxide copolyether,

[0064] Leveling agent organosilicon-propylene oxide copolymer 0.7 parts,

[0065] 0.3 parts of antioxidant tris(2,4-di-tert-butyl)phenyl phosphite.

[0066] (2) The mixed material is stirred at a high speed for 20 minutes at 70°C until it is evenly dispersed;

[0067] (3) Prepare the above materials into workpieces on laser sintering rapid prototyping equipment.

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Abstract

The invention provides a potassium titanate whisker modified polystyrene microsphere composite material and a preparation method thereof, and is characterized in that the potassium titanate whisker modified polystyrene microsphere composite material comprises the following raw materials in parts by weight: 100 parts of polystyrene microspheres, 5-35 parts of potassium titanate whiskers, 0.1-0.5 part of a coupling agent, 0.1-0.5 part of a light stabilizer, 0.5-4.5 parts of a defoaming agent, 0.5-1 part of a leveling agent, and 0.1-0.5 part of an antioxidant. The prepared composite material has the characteristics of fast forming speed, large mechanical strength, high wear resistance and the like, the apparent quality of products is improved, and at the same time, with introduction of the potassium titanate whiskers, the manufacturing cost of the polystyrene microsphere composite material is greatly reduced. In addition, the preparation process of the composite material is simple, can be directly applied and popularized in the field of laser sintering and rapid forming, and is used for preparing products having high performance and relatively high apparent quality requirements.

Description

technical field [0001] The invention relates to the technical field of polymers, in particular to a potassium titanate whisker-modified polystyrene microsphere composite material and a preparation method thereof. Background technique [0002] Laser sintering is the use of laser to selectively sinter powder materials. The rapid prototyping technology that uses this method to accumulate materials from divergent points into three-dimensional parts is laser sintering rapid prototyping technology. Laser sintering rapid prototyping technology can use plastic powder, ceramic powder or metal powder as raw materials. During the molding process, the powder material is heated to a molten state for sintering, and then the molding process from plane to three-dimensional is completed through the adjustment of the working module, and finally a product with Certain functional three-dimensional parts. [0003] Among the engineering plastic powder raw materials commonly used in laser sinteri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L25/06C08K13/04C08K7/08C08K5/526C08K5/544C08K5/3475C08K5/132B33Y10/00
Inventor 杨桂生李枭姚晨光
Owner HEFEI GENIUS NEW MATERIALS
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