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Rapid prototyping material and preparation method thereof

A molding material and rapid technology, applied in the field of rapid prototyping materials containing nanocellulose and its preparation, can solve the problems of unsuitable rapid prototyping, poor impact resistance, long molding cycle, etc., to achieve shortened molding cycle and strong rigidity , The effect of improving the molding cycle

Inactive Publication Date: 2013-07-24
珠海市红旌发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In engineering plastics, polystyrene, polyethylene, polypropylene, ABS, nylon 66, and polycarbonate are generally used as basic materials, but these materials have long molding cycles, easy brittleness, poor heat resistance, and low temperature in dry state and low temperature. Poor impact resistance and other issues are not suitable for rapid prototyping technology

Method used

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  • Rapid prototyping material and preparation method thereof
  • Rapid prototyping material and preparation method thereof
  • Rapid prototyping material and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0031] figure 1 A method for preparing a rapid prototyping material according to an embodiment of the present invention is shown. According to this method, polypropylene, talcum powder and nanocellulose are selected as raw materials, and first enter step S1100: after drying the raw materials at 105°C for 4-10 hours, weigh 85 parts of polypropylene and 0.5 parts of nanocellulose by weight. and 2 parts of talcum powder; carry out the operation of the step S1200 of the weighed raw materials, that is, three-dimensional stirring and blending for 30 minutes; carry out the operation of the step S1300 of the stirring and blending raw materials, and sieve them in a 70-mesh sieve points, the preparation of the rapid prototyping material of polypropylene is completed.

Embodiment 2

[0033] figure 1 A method for preparing a rapid prototyping material according to an embodiment of the present invention is shown. According to this method, select ABS, calcium fluoride and nanocellulose as raw materials, and first enter step S1100: after drying the raw materials at 105°C for 10 hours, weigh 97.5 parts of ABS, 5 parts of nanocellulose and 10 parts by weight Calcium fluoride; carry out the operation of the step S1200 of the weighed raw materials, that is, three-dimensional stirring and blending for 40 minutes; carry out the operation of the step S1300 of the stirring and blending raw materials, and sieve them in a 140-mesh screen, The preparation of ABS rapid prototyping material is completed.

Embodiment 3

[0035] figure 1 A method for preparing a rapid prototyping material according to an embodiment of the present invention is shown. According to this method, select polystyrene, graphite and nanocellulose as raw materials, and first enter step S1100: after drying the raw materials at 105°C for 7 hours, weigh 90 parts of polystyrene, 3 parts of nanocellulose and 6 parts of graphite; carry out the operation of step S1200 on the weighed raw materials, that is, three-dimensional stirring and blending for 50 minutes; carry out the operation of step S1300 on the stirring and blending raw materials, and sieve them in a 100-mesh screen, The preparation of the rapid prototyping material of polystyrene is completed.

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Abstract

The invention discloses a preparation method of a rapid prototyping material. The preparation method comprises the steps of providing raw materials, wherein raw materials comprise the following ingredients in parts by weight: 85-97.5 parts of engineering plastics, 0.5-5 parts of nanocellulose and 2-10 parts of viscosity reducer; (S1100) weighing the raw materials: drying the raw materials for 4-10 hours at the temperature of 105 DEG C, and then, weighing the raw materials according to a weight ratio; (S1200) carrying out blending modification: carrying out three-dimensional stirring and blending on the weighed raw materials for 30-90 min; and (S1300) sieving: sieving the blended raw materials by using a sieve of 70-140 meshes. The invention further discloses the rapid prototyping material obtained through the preparation method. According to the rapid prototyping material disclosed by the invention, the preparation process is simple, and the industrialization is easy to realize; and the material is short in prototyping cycle, good in thermal stability and high in mechanical strength.

Description

technical field [0001] The invention relates to a rapid prototyping material, in particular to a rapid prototyping material containing nanocellulose and a preparation method thereof. Background technique [0002] Rapid Prototyping (RP) technology is an advanced manufacturing technology developed in the 1990s. It is a general term for rapid manufacturing of three-dimensional physical entities of arbitrary complex shapes directly driven by CAD models. Rapid prototyping has completely subverted the traditional method of processing parts. Compared with traditional processing methods, it has the advantages of digital manufacturing, high flexibility and adaptability, and rapidity; it also realizes the three-dimensional geometric figures and makes the design figures quickly become real objects. It solves the visible and intangible problems in CAD design, shortens the cycle of new product design evaluation, and has been widely used in automobiles, machinery, aviation, electronics, c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L23/06C08L55/02C08L77/00C08L77/02C08L25/06C08L69/00C08L1/02C08K3/34C08K3/26C08K3/16C08K3/04C08K3/40C08K3/36C08K3/22
Inventor 蓝海任方萍时圣涛蓝洋
Owner 珠海市红旌发展有限公司
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