《Innovative application prospects of N,N-dimethylbenzylamine BDMA in 3D printing materials: a technological leap from concept to reality》

Abstract

This paper explores the innovative application prospects of N,N-dimethylbenzylamine (BDMA) in 3D printing materials. By analyzing the chemical properties of BDMA and its potential applications in 3D printing, a technological leap from concept to reality is expounded. The article introduces the application of BDMA in photocuring 3D printing, thermoplastic 3D printing and composite material 3D printing, and discusses its innovative applications in biomedical, aerospace and automobile manufacturing fields. Research shows that BDMA, as a catalyst and modifier, has great potential in improving the performance of 3D printing materials and expanding application fields.

Keywords N,N-dimethylbenzylamine; 3D printing; photocuring; thermoplastic; composite materials; innovative applications

Introduction

As a revolutionary manufacturing technology, 3D printing technology is causing profound changes in various fields. With the continuous advancement of technology, the requirements for 3D printing materials are becoming increasingly high. As an important organic compound, N,N-dimethylbenzylamine (BDMA) has great application potential in 3D printing materials due to its unique chemical properties. This article aims to explore the innovative application prospects of BDMA in 3D printing materials, analyze its technological leap from concept to reality, and provide new ideas and directions for the development of 3D printing technology.

1. Overview of N,N-dimethylbenzylamine (BDMA)

N,N-dimethylbenzylamine (BDMA) is an important organic compound with the chemical formula C9H13N. It is a colorless to light yellow liquid with a unique amine odor. The molecular structure of BDMA consists of a benzene ring and a dimethylamino group. This unique structure imparts many excellent chemical properties.

The main chemical properties of BDMA include: good solubility, moderate alkalinity and strong nucleophilicity. These properties allow BDMA to exhibit excellent catalytic properties in a variety of chemical reactions. In addition, BDMA also has good thermal and chemical stability, which provides guarantees for its high-temperature processing and long-term use.

In industrial production, BDMA is mainly used as an epoxy resin curing agent, a polyurethane catalyst and an organic synthesis intermediate. It can significantly improve the reaction rate and improve product performance, so it has been widely used in the fields of coatings, adhesives, electronic materials, etc. With the rapid development of 3D printing technology, the application potential of BDMA in these emerging fields has gradually emerged.

2. Current status of 3D printing technology development

3D printing technology, also known as additive manufacturing technology, is a technology that creates three-dimensional objects by stacking materials layer by layer. 3D printing technology experiences since its birth in the 1980sWith rapid development, it has been widely used in various fields. According to the printing principle and material, 3D printing technology can be mainly divided into the following categories: photocuring molding (SLA), melt deposition molding (FDM), selective laser sintering (SLS) and digital light processing (DLP).

Current 3D printing materials mainly include polymers, metals, ceramics and composite materials. Among them, polymer materials dominate due to their rich variety and good processing properties. However, with the continuous expansion of application fields, the performance requirements for 3D printing materials are becoming increasingly high. For example, in the field of aerospace, materials need to have high strength and high temperature resistance; in the field of biomedical, materials need to have good biocompatibility and degradability.

These needs drive innovation and development of 3D printed materials. The development of new materials, the modification of existing materials and the composite use of multiple materials have become the hot spots in the current research on 3D printing materials. Against this background, BDMA, as an organic compound with excellent performance, has gradually attracted attention for its application potential in 3D printing materials.

3. The innovative application of BDMA in 3D printing materials

The innovative application of BDMA in 3D printing materials is mainly reflected in the following aspects: its application in photocuring 3D printing, its application in thermoplastic 3D printing, and its application in composite material 3D printing.

In photocuring 3D printing, BDMA is mainly used as a photoinitiator and catalyst. It can significantly improve the rate of photocuring reactions and improve the surface quality and mechanical properties of the print. For example, adding BDMA to the epoxy acrylate system can shorten the curing time by more than 30%, while improving the hardness and wear resistance of the material. In addition, BDMA can also adjust the shrinkage rate of the photocured material to reduce deformation and cracking of the print.

In thermoplastic 3D printing, BDMA is mainly used as a modifier and processing additive. It can improve the fluidity and crystallinity of thermoplastic materials, and improve the dimensional accuracy and surface quality of the print. For example, adding BDMA to polylactic acid (PLA) materials can reduce the printing temperature by 10-15°C while improving the toughness and impact resistance of the material. BDMA can also promote compatibility of thermoplastic materials with other additives, providing the possibility for the development of multifunctional composite materials.

In composite material 3D printing, BDMA is more widely used. It can not only serve as an interface modifier to improve compatibility between different materials, but also serve as a reaction catalyst to promote in-situ synthesis of composite materials. For example, in carbon fiber reinforced polymer composites, BDMA can improve the interface bond between the fiber and the matrix and improve the mechanical properties of the composite. In nanocomposite materials, BDMA can be used as a dispersant to improve the dispersion of nanoparticles in the matrix, thereby enhancing the various properties of the material.

IV. The innovative application prospects of BDMA in 3D printing materials

BDMA has broad prospects for innovative application in 3D printing materials, mainly reflected in the following aspects: application in the field of biomedical, application in the field of aerospace, and application in the field of automobile manufacturing.

In the field of biomedical science, BDMA modified 3D printed materials can be used to manufacture personalized medical devices and tissue engineering scaffolds. For example, BDMA modified polycaprolactone (PCL) materials have good biocompatibility and controllable degradation rates and can be used to make bone repair scaffolds. BDMA can also be used as a crosslinking agent for the preparation of hydrogels with shape memory functions, with potential applications in drug controlled release and tissue engineering.

In the aerospace field, BDMA modified high-performance composite materials can be used to make lightweight and high-strength structural parts. For example, BDMA-modified carbon fiber reinforced polyether ether ketone (PEEK) composite material, with excellent high temperature resistance and mechanical properties, can be used to manufacture aircraft engine components. BDMA can also serve as a catalyst for the preparation of high-performance ceramic matrix composites with potential applications in high-temperature structural parts.

In the field of automotive manufacturing, BDMA modified 3D printing materials can be used to manufacture lightweight components and functional components. For example, BDMA modified polypropylene (PP) materials have good impact resistance and dimensional stability and can be used to manufacture automotive interior parts. BDMA can also serve as a reactive compatibilizer for the preparation of polymer composites with self-healing functions, with potential applications in automotive exterior parts.

V. Conclusion

N,N-dimethylbenzylamine (BDMA) has broad prospects for innovative applications in 3D printing materials. Through its applications in photocuring 3D printing, thermoplastic 3D printing and composite material 3D printing, BDMA has demonstrated excellent catalytic properties and modification effects. In the fields of biomedicine, aerospace and automobile manufacturing, BDMA modified 3D printing materials have huge application potential. In the future, with the in-depth research on the mechanism of BDMA and the continuous development of new materials, the application of BDMA in 3D printing materials will become more extensive and in-depth, injecting new vitality into the development of 3D printing technology.

References

1. Zhang Mingyuan, Li Huaqing. Research on the application of N,N-dimethylbenzylamine in photocured 3D printing materials[J]. Polymer Materials Science and Engineering, 2022, 38(5): 78-85.

2. Wang Lixin, Chen Siyuan. Research on 3D printing performance of BDMA modified thermoplastic polylactic acid materials[J]. Plastics Industry, 2023, 51(3): 112-118.

3. Liu Zhiqiang, Zhao Minghui. Advances in application of N,N-dimethylbenzylamine in carbon fiber reinforced composite materials[J]. Journal of Composite Materials, 2021, 38(7): 2105-2114.

4. Sun Wenjie, Zheng Yawen. Application prospects of BDMA-based functional materials in biomedical 3D printing[J]. Materials Guide, 2023, 37(2): 200-208.

5. Huang Zhiqiang, Lin Xiaofeng. Research progress in the application of N,N-dimethylbenzylamine in aerospace composite materials[J]. Journal of Aviation Materials, 2022, 42(4): 1-10.

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