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Reinforcement method for three-dimensional shaped object

A three-dimensional modeling and composition technology, which is applied in chemical instruments and methods, additive processing of mixtures of solid materials and liquid materials, and additive processing, and can solve problems such as reinforcement and poor machinability.

Active Publication Date: 2016-07-20
TOAGOSEI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0012] In addition, the impregnating composition described in Patent Document 3 is excellent in impregnating and curing properties for wood-based materials, but has the following problems: poor machinability when the resulting molded object is formed of inorganic powder, and blooming of the reinforced molded object. )

Method used

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  • Reinforcement method for three-dimensional shaped object
  • Reinforcement method for three-dimensional shaped object
  • Reinforcement method for three-dimensional shaped object

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0093] Add 40 ppm of sulfur dioxide and 1000 ppm of hydroquinone to 2-ethoxyethyl cyanoacrylate (100 parts by mass of 2-ethoxyethyl cyanoacrylate), and stir at room temperature to obtain a combination for impregnation. things. The evaluation results are shown in Table 1.

Embodiment 2～7 and comparative example 1～6

[0095] The dipping compositions described in Table 1 were produced and evaluated. The thickeners described in Table 1 used the following ones.

[0096] ・Polymethyl methacrylate: manufactured by Evonik Japan Co., Ltd., trade name "DEGALAN", weight average molecular weight 300,000

[0097]

[0098] As shown in Table 1, the dipping compositions obtained in Examples 1 to 7 had no practical problems in all of the reinforcing effect, machinability, and whitening phenomenon. On the other hand, since the dipping compositions of Comparative Examples 1, 3, and 4 did not contain the 2-cyanoacrylate specified in the present invention, the whitening of the molded object was increased, resulting in poor appearance. In addition, although Comparative Examples 2 and 5 contained the 2-cyanoacrylate specified in the present invention, since the Shore hardness D of the cured product was higher than the range specified in the present invention, the machinability was poor. In addition, in Comp...

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Abstract

Provided is a method whereby a three-dimensional shaped object can be easily reinforced. The reinforcement method for three-dimensional shaped objects is a method for reinforcing three-dimensional shaped objects by using a composition for impregnation that contains a 2-cyanoacrylate ester having a specific structure, said method being characterized by: the viscosity of the composition for impregnation being 1-1,000 mPas at 25 DEG C; and by the Shore hardness (D) of a cured product of the composition for impregnation being 20-75. Ideally, the three-dimensional shaped object is shaped using an inorganic powder.

Description

technical field [0001] The present invention relates to a method for enhancing three-dimensional shapes by using impregnating compositions containing specific 2-cyanoacrylates. Background technique [0002] In recent years, the technology of making models and components using 3D modeling has spread rapidly. Three-dimensional modeling is based on computer-aided design (CAD) information, a desktop process (desktop process) for manufacturing objects. It is characterized by: it can greatly shorten the time from design to manufacture, it can be produced in small batches, and it can be manufactured precisely according to customer requirements. . As the main methods of three-dimensional modeling, there are photo-curing three-dimensional modeling method, sheet lamination method, and powder bonding method. [0003] Among the above methods, the powder bonding method includes the following two methods: one is a method of melting or sintering the powder using a laser, and the other is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C67/00B05D7/00C08F22/32
CPCC08F22/32C04B41/009C04B41/63C04B2111/00181C04B41/483C08F222/327B33Y70/10C04B28/14B29C64/165B29C67/243B29K2105/0094B29C64/153B32B27/302B32B27/306B32B27/308C09D4/06C08K5/11C08K5/12C08J3/18C08J2333/12B29K2105/251B29K2509/02B05D1/02C04B41/46C09D4/00
Inventor 及川宏习安藤裕史
Owner TOAGOSEI CO LTD
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