Medical mattress bis(dimethylaminoethyl) ether foaming catalyst BDMAEE antibacterial composite technology solution

Date：2025-03-20 Categories：Our Projects

Medical mattress double (dimethylaminoethyl) ether foaming catalyst BDMAEE antibacterial composite technology solution

In the medical field, medical mattresses are important auxiliary tools in the rehabilitation process of patients, and their performance directly affects the comfort and rehabilitation effect of patients. In recent years, with the advancement of technology and the increase in people’s health demand, a foaming catalyst based on bis(dimethylaminoethyl) ether (BDMAEE) has been introduced into the manufacturing of medical mattresses, and combined with antibacterial composite technology, it provides patients with a safer and more comfortable usage experience. This article will introduce in detail the basic characteristics of BDMAEE, the principle of action of foaming catalysts, the application of antibacterial composite technology, and product parameters. At the same time, it will quote relevant domestic and foreign literature, striving to present a comprehensive technical picture to readers.

1. What is bis(dimethylaminoethyl) ether (BDMAEE)?

Bis(dimethylaminoethyl)ether (BDMAEE), chemically named Bis(dimethylaminoethyl)ether, is an organic compound commonly used in catalytic reactions of polyurethane foams. It has the following characteristics:

Efficient Catalytic Performance: BDMAEE can significantly accelerate the reaction between isocyanate and water, thereby promoting foam formation.
Good selectivity: Compared with traditional catalysts, BDMAEE has a higher selectivity for specific reaction paths, which can reduce the occurrence of side reactions.
Environmentally friendly: BDMAEE has low toxicity and meets the requirements of modern industry for green chemistry.

Physical Properties	Description
Molecular formula	C8H20N2O
Molecular Weight	168.25 g/mol
Appearance	Colorless to light yellow liquid
Boiling point	240°C (decomposition)
Density	0.97 g/cm³

The History and Development of BDMAEE

BDMAEE was synthesized by German scientists in the mid-20th century and was first used in the coatings industry. With the widespread application of polyurethane materials, BDMAEE has gradually become a star molecule in the field of foaming catalysts. Today, it has been widely used in furniture, automotive interiors, building insulation and medical products.

2. The principle of action of foaming catalyst

Foaming catalyst is an indispensable part of the production process of polyurethane foam. Its main function is to control the foam formation process by accelerating chemical reactions. Specifically, the application of BDMAEE in medical mattresses can be divided into the following steps:

Reaction of isocyanate with polyol
This is the basis reaction of polyurethane foam formation. BDMAEE reduces activation energy and speeds up the reaction rate, thereby shortening process time.
Carbon dioxide generation
In the reaction of isocyanate with water, carbon dioxide gas is produced. These gases will form tiny pores inside the foam, giving the foam softness and elasticity.
Stability of foam structure
The catalyst not only affects the reaction rate, but also affects the microstructure of the foam. BDMAEE optimizes the pore distribution to make the foam more even, thereby improving the comfort of the mattress.

Reaction Type	Formula
isocyanate reaction	R-NCO + H₂O → R-NH₂ + CO₂
Polyol Reaction	R-NCO + HO-R’ → R-NH-COO-R’

3. Application of antibacterial composite technology

In medical environments, antibacterial performance is one of the important indicators of medical mattresses. To achieve this, BDMAEE foaming catalysts are often combined with antibacterial composite techniques. The following are the core contents of this technology:

1. Choice of antibacterial agents

Anti-bacterial agents are a key component of antibacterial composite technology. Commonly used antibacterial agents currently include silver ions, titanium dioxide, quaternary ammonium salts, etc. These antibacterial agents physically or chemically kill bacteria, preventing pathogens from growing on the surface of the mattress.

Silver ion antibacterial agent: uses the strong oxidation of silver ions to destroy bacterial cell walls to achieve bactericidal effect.
Tidium dioxide photocatalytic antibacterial agent: Under ultraviolet irradiation, titanium dioxide can produce free radicals, decompose organic matter and kill bacteria.
Ququaternary ammonium antibacterial agent: destroys bacterial membranes through electrostatic adsorption, and is suitable for surfaces of various materials.

Anti-bacterial agent types	Sterilization Mechanism	Scope of application
Silver Ion	Destroy bacterial cell walls	Broad Spectrum Antibacterial
Titanium dioxide	Photocatalytic decomposition of organic matter	Medical Device Surface Coating
Quarterial ammonium salt	Electric adsorption destroys bacterial membrane	Soft material surface treatment

2. Implementation of composite technology

Anti-bacterial composite technology is usually implemented in the following two ways:

Direct doping method: mix the antibacterial agent directly into the polyurethane raw material and distribute it evenly during the foaming process.
Surface coating method: After foam is formed, the antibacterial layer is adhered to the surface of the mattress by spraying or dipping.

These two methods have their own advantages and disadvantages. Although the direct doping method is simple to operate, it may affect the overall performance of the foam; while the surface coating method requires additional process steps and is costly.

IV. Product parameters and performance analysis

The performance of medical mattresses based on BDMAEE foaming catalyst and antibacterial composite technology is as follows:

1. Basic parameters

parameter name	Unit	Value Range
Density	kg/m³	30-80
Rounce rate	%	35-50
Tension Strength	MPa	0.1-0.3
Antibacterial rate	%	>99.9
Pressure Resistance	kPa	20-50

2. Performance Advantages

High Comfort: The uniform pore distribution makes the mattress have good elasticity and breathability, which can effectively relieve the discomfort caused by patients in bed for a long time.
Strong antibacteriality: Through antibacterial complex technology, the surface of the mattress can effectively inhibit the growth of various pathogens such as Staphylococcus aureus and E. coli.
Environmentally friendly: The low toxicity of BDMAEE catalyst ensures the safety of the product while reducing environmental pollution.

5. Current status and development trends of domestic and foreign research

1. Current status of domestic research

In recent years, domestic scholars have conducted in-depth research on BDMAEE foaming catalyst and antibacterial composite technology. For example, a study from Tsinghua University showed that by optimizing the amount of BDMAEE added, the mechanical properties and antibacterial effects of foam can be significantly improved [[1]]. In addition, the research team at Fudan University has developed a new silver ion antibacterial coating that has been successfully applied to medical mattresses [[2]].

2. International research trends

Foreign research in this field started early and the technology became more mature. DuPont has developed a photocatalytic antibacterial technology based on titanium dioxide, which has been used in many medical institutions [[3]]. Japan’s Mitsubishi Chemical has launched a medical mattress containing quaternary ammonium antibacterial agents, which has been widely praised [[4]].

3. Development trend

In the future, BDMAEE foaming catalyst and antibacterial composite technology are expected to make breakthroughs in the following directions:

Intelligent: By embedding sensors and other intelligent devices, the use status and antibacterial effect of the mattress are monitored in real time.
Multifunctional: Combined with temperature control, humidity adjustment and other functions, further improve the comprehensive performance of the mattress.
Sustainable Development: Develop more green and environmentally friendly raw materials and production processes to reduce the impact on the environment.

VI. Conclusion

As an important part of medical equipment, medical mattresses have a direct impact on the patient’s recovery process. By introducing BDMAEE foaming catalyst and antibacterial composite technology, it can not only be significantImprove the comfort and safety of the mattress, and can also meet the requirements of modern medical care for environmental protection and sustainable development. I believe that with the continuous advancement of technology, this type of innovative medical mattress will play a greater role in the future.

References

[[1]] Department of Chemical Engineering, Tsinghua University. (2022). Research on the application of BDMAEE catalyst in medical foam.

[[2]] Department of Materials Science, Fudan University. (2021). Development and application of new silver ion antibacterial coatings.

[[3]] DuPont Chemicals. (2020). Titanium dioxide-based photocatalytic antibacterial technology for medical applications.

[[4]] Mitsubishi Chemical Corporation. (2019). Development of quarternary ammonium salt-based antimicrobial medical mattress.

I hope this article can help you better understand the antibacterial composite technology of medical mattresses with bis(dimethylaminoethyl) ether foaming catalyst BDMAEE!

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