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Electrostatic elimination capability of bis-(2-dimethylaminoethyl) ether in precision instrument dust cover

3月 8th, 2025 News

The electrostatic elimination capability of bis-(2-dimethylaminoethyl) ether in precision instrument dust cover

Introduction

With the rapid development of modern technology, precision instruments are being used in various fields more and more widely. Whether it is laboratories, medical equipment or industrial production, precision instruments play a crucial role. However, precision instruments have extremely high environmental requirements, especially their sensitivity to static electricity. Static electricity will not only affect the normal operation of the instrument, but may also lead to data errors and even equipment damage. Therefore, how to effectively eliminate static electricity has become an important issue in the protection of precision instruments.

Bis-(2-dimethylaminoethyl) ether (hereinafter referred to as “bis-ether”) has gradually attracted attention as an efficient electrostatic eliminator in recent years. This article will introduce in detail the electrostatic elimination ability, product parameters, application scenarios and actual effects of bis ethers, helping readers to fully understand the important role of this material in the protection of precision instruments.

1. Basic characteristics of bis-(2-dimethylaminoethyl) ether

1.1 Chemical structure and properties

The chemical formula of bis-(2-dimethylaminoethyl) ether is C8H18N2O, which is an ether compound containing two dimethylaminoethyl groups. Its molecular structure is as follows:

 CH3
    |
CH3-N-CH2-CH2-O-CH2-CH2-CH2-N-CH3
    |
   CH3

The molecular structure of the bis ether contains two amino groups, which makes it have strong polarity and can effectively absorb moisture in the air, thereby reducing the generation of static electricity. In addition, the molecular weight of the bis ether is moderate and has low volatility, and can maintain a stable electrostatic elimination effect for a long time.

1.2 Physical Properties

The physical properties of bis ethers are shown in the following table:

Properties value
Molecular Weight 158.24 g/mol
Boiling point 210-215°C
Density 0.89 g/cm³
Flashpoint 85°C
Solution Easy soluble in water,

As can be seen from the table, bisethers have higher boiling points and lower volatilityThis makes it stable at room temperature and is not easy to volatilize losses. At the same time, bis ethers are easily soluble in water and organic solvents, making them easy to prepare and use in practical applications.

2. The electrostatic elimination mechanism of bis-(2-dimethylaminoethyl) ether

2.1 Generation and harm of static electricity

Static electrostatic is a phenomenon caused by the imbalance of the charges on the surface of the object. In the working environment of precision instruments, the production of static electricity mainly comes from the following aspects:

  1. Friction-energizing: When two objects of different materials rub against each other, electrons will transfer from one object to another, resulting in an unbalanced charge.
  2. Induction of power-up: When a charged object approaches a conductor, the charge inside the conductor will be redistributed, causing static electricity to occur on the surface of the conductor.
  3. Contact and electricity: When two objects separate after contact, electrons will transfer from one object to another, resulting in an unbalanced charge.

The harm of static electricity to precision instruments is mainly reflected in the following aspects:

  1. Data Error: Static electrostatic interference with the signal transmission of the instrument, resulting in inaccurate data acquisition.
  2. Damage of equipment: Electrostatic discharge will generate a momentary high voltage, which may break down the electronic components of the instrument and cause damage to the equipment.
  3. Dust adsorption: Static electricity will absorb dust in the air, affecting the cleanliness and working performance of the instrument.

2.2 Electrostatic elimination mechanism of bis ether

The electrostatic elimination mechanism of bis ethers is mainly based on the amino groups in their molecular structure. The amino group has strong polarity and can adsorb moisture in the air to form a conductive film. This conductive film can effectively neutralize charge on the surface of the object, thereby eliminating static electricity.

Specifically, the electrostatic elimination process of bis ethers can be divided into the following steps:

  1. Adhesive moisture: The amino groups in the bisether molecule can adsorb moisture in the air and form a conductive film.
  2. Charge Neutralization: The conductive film can conduct charge on the surface of an object into the air, thereby neutralizing static electricity.
  3. Sustainable Effect: Due to the low volatility of bis ethers, the conductive film can remain stable for a long time and continuously eliminate static electricity.

2.3 Comparison of bis ethers and other electrostatic eliminators

With other common static electricityCompared with eliminators, bis ethers have the following advantages:

Electric Elimination Agent Pros Disadvantages
Bis-(2-dimethylaminoethyl)ether The static electricity elimination effect is good and lasts for a long time High cost
Ion Fan Fast static electricity removal Continuous power supply is required, and the noise is high
Antistatic spray Easy to use The effect lasts for a short time and is easy to volatile
Antistatic cloth Portable, easy to clean The effect is limited, and it needs to be replaced frequently

It can be seen from the table that bis ethers have obvious advantages in electrostatic elimination effect and duration. Although it is costly, it still has high application value in precision instrument protection.

III. Application of bis-(2-dimethylaminoethyl) ether in dustproof covers of precision instruments

3.1 Design requirements for precision instrument dust cover

The main function of the dustproof cover of precision instruments is to prevent dust, particulate matter and other pollutants from entering the instrument, and it also requires a certain ability to eliminate static electricity. Therefore, the design of the dust cover needs to meet the following requirements:

  1. Dust Protection Performance: The material of the dustproof cover should have good sealing properties and can effectively block dust and particulate matter.
  2. Static Elimination Capability: The dust cover should have a certain electrostatic elimination capacity to prevent the impact of static electricity on the instrument.
  3. Breathability: The dust cover should have a certain degree of breathability to avoid overheating inside the instrument.
  4. Durability: The dust cover should have a long service life and reduce the replacement frequency.

3.2 How to apply bisexual ether in dustproof cover

The main application of bis ether in precision instrument dustproof covers is as follows:

  1. Coating treatment: Spray the bis ether solution on the inner surface of the dustproof cover to form a conductive film to continuously eliminate static electricity.
  2. Mixed Materials: Mix bis ether with the substrate of the dustproof cover to make an electrostatic elimination functionComposite material.
  3. Built-in device: Install a static elimination device containing biether inside the dust cover to continuously release biether molecules and eliminate static electricity.

3.3 Actual application effect

In practical applications, the electrostatic elimination effect of bis ether in the dustproof cover of precision instruments is significant. The following are some practical application cases:

Application Scenario Dust cover type Static elimination effect Feedback
Laboratory Microscope Coating Treatment The electrostatic elimination effect is significant The instrument works stably and the data is accurate
Medical Equipment Mixed Materials The electrostatic elimination effect lasts Decreased equipment failure rate
Industrial Production Equipment Built-in device Stable electrostatic elimination effect Improving productivity

It can be seen from the table that bis ethers show good electrostatic elimination effects in different types of dust shields, which can effectively protect precision instruments and improve their working stability and service life.

IV. Product parameters and selection of bis-(2-dimethylaminoethyl) ether

4.1 Product parameters

The product parameters of bis ether are shown in the following table:

parameter name value
Purity ?99%
Appearance Colorless transparent liquid
Viscosity 10-15 mPa·s
pH value 7.0-8.0
Storage temperature 0-30°C
Shelf life 12 months

4.2 Product selection suggestions

When selecting a bisetal product, it is recommended to consider the following factors:

  1. Purity: High-purity bisethers have better electrostatic elimination effects. It is recommended to choose products with a purity of ?99%.
  2. Viscosity: Bis ethers with moderate viscosity are easier to spray and mix. It is recommended to choose products with a viscosity between 10-15 mPa·s.
  3. Storage conditions: Bis ether is more sensitive to storage temperature. It is recommended to choose products with storage temperatures between 0-30°C and pay attention to avoid direct sunlight.

4.3 Precautions for use

When using diether, the following things need to be paid attention to:

  1. Safety Protection: Bi-ethers have a certain irritation. Protective gloves and masks are required to avoid direct contact with the skin and inhalation of steam.
  2. Storage Environment: Diethers should be stored in a cool and dry environment to avoid high temperatures and direct sunlight.
  3. Usage control: The use of bis ether should be controlled according to actual needs. Excessive use may lead to a decrease in the breathability of the dust cover.

V. Future development of bis-(2-dimethylaminoethyl) ether

5.1 Direction of technological improvement

Although the application of bis ethers in precision instrument dust covers has achieved remarkable results, there are still some directions of technological improvements worth paying attention to:

  1. Improve the electrostatic elimination efficiency: By optimizing the molecular structure of bis ethers, it further improves its electrostatic elimination efficiency.
  2. Reduce costs: By improving the production process, reduce the production cost of bis ethers, making them competitive in a wider range of application scenarios.
  3. Environmental performance improvement: Develop environmentally friendly biether products to reduce environmental pollution.

5.2 Application field expansion

With the advancement of science and technology, the application field of bis ether is expected to further expand. Here are some potential application areas:

  1. Electronic Manufacturing: In the production and storage of electronic components, static electricity is a common problem, and bis ether can be used for anti-static packaging of electronic components.
  2. Aerospace: Aerospace equipment has extremely high sensitivity to static electricity, and bis ether can be used for anti-static protection of aerospace equipment.
  3. Automotive Industry: Electrostatic protection of automotive electronic equipment is also an important issue. Bi-ether can be used for anti-static coatings of automotive electronic equipment.

Conclusion

Bis-(2-dimethylaminoethyl)ether, as a highly efficient electrostatic eliminator, has significant advantages in the application of precision instrument dust covers. Its unique molecular structure and physical properties enable it to effectively eliminate static electricity and protect the normal operation of precision instruments. Through reasonable application methods and product selection, bisex can play an important role in laboratories, medical equipment, industrial production and other fields. In the future, with the continuous advancement of technology and the expansion of application fields, bis ether is expected to show its unique value in more scenarios.

I hope this article can help readers fully understand the electrostatic elimination ability of bis-(2-dimethylaminoethyl) ether in precision instrument dustproof covers, and provide reference and guidance for practical applications.

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Improved weather resistance of bis-(2-dimethylaminoethyl) ether in automotive exterior parts

3月 8th, 2025 News

Improvement of weather resistance of bis-(2-dimethylaminoethyl) ether in automotive exterior parts

Introduction

Automatic exterior parts are an important part of the car. They not only affect the appearance of the vehicle, but also directly affect the service life and safety of the vehicle. With the rapid development of the automobile industry, consumers have increasingly high requirements for the weather resistance, corrosion resistance, and aging resistance of automobile exterior parts. As a new chemical additive, bis-(2-dimethylaminoethyl) ether (hereinafter referred to as “bis-ether”) has gradually attracted attention in recent years. This article will discuss in detail the weather resistance improvement of bis ethers in automotive exterior parts, including its chemical characteristics, mechanism of action, application effect and future development direction.

1. Chemical characteristics of bis-(2-dimethylaminoethyl) ether

1.1 Chemical structure

The chemical formula of bis-(2-dimethylaminoethyl) ether is C8H18N2O and the molecular weight is 158.24 g/mol. Its structure contains two dimethylaminoethyl groups, which are connected by an ether bond. This structure imparts unique chemical properties to the bis ether, allowing it to exhibit excellent stability and reactivity in a variety of chemical reactions.

1.2 Physical Properties

Bi ether is a colorless and transparent liquid at room temperature, with a lower viscosity and a higher boiling point. Its physical properties are shown in the following table:

Properties value
Boiling point 220-230°C
Density 0.92 g/cm³
Viscosity 2.5 mPa·s (25°C)
Flashpoint 110°C
Solution Easy soluble in water and organic solvents

1.3 Chemical Properties

Biserethers have high chemical stability and can keep their chemical structure unchanged under various environments. At the same time, the dimethylaminoethyl groups in its molecules impart good hydrophilicity and lipophilicity, making it well dissolved in various solvents. In addition, bisethers are also alkaline and can neutralize and react with acidic substances.

2. The mechanism of action of bis ethers in automotive exterior parts

2.1 Weather resistance improvement mechanism

Automobile exterior parts are exposed to sunlight and rain for a long time during useIn natural environments such as water, wind and sand, aging, discoloration, cracking and other phenomena are prone to occur. Bi-ether significantly improves the weather resistance of automotive exterior parts through the following mechanisms:

  1. Antioxidation: The dimethylaminoethyl groups in the bisether molecule can react with free radicals, preventing the progress of the radical chain reaction, thereby inhibiting the aging process of the material.
  2. Ultraviolet absorption: Bisethers can absorb ultraviolet rays, reduce direct irradiation of ultraviolet rays on the surface of the material, and reduce the photodegradation rate of the material.
  3. Moisture Barrier: The ether bonds in the biether molecules can form hydrogen bonds with the water molecules, forming a protective film, preventing moisture from penetrating into the material and reducing the hydrolysis reaction of the material.

2.2 Corrosion resistance improvement mechanism

Automobile exterior parts are also susceptible to corrosion by corrosive substances such as acid rain and salt spray during use. Bi-ether significantly improves the corrosion resistance of automotive exterior parts through the following mechanisms:

  1. Acidal and alkaline neutralization: Bis ethers have a certain alkalinity and can neutralize acidic substances and reduce the corrosion of acidic substances on the materials.
  2. Metal Ion Chelation: The dimethylaminoethyl groups in the bisether molecule can form stable chelates with metal ions, preventing metal ions from corrosion on the material.
  3. Surface passivation: Bi-ether can form a dense protective film on the surface of the material, preventing corrosive substances from contacting the material directly and reducing the corrosion rate of the material.

III. Application effect of bis ether in automotive exterior parts

3.1 Weather resistance test

To verify the weather resistance improvement effect of bis ethers in automotive exterior parts, we conducted the following tests:

  1. Ultraviolet aging test: Place the sample of the automotive exterior parts with diether added in an ultraviolet aging box to simulate the sunlight irradiation environment, and test the color changes, surface gloss, tensile strength and other properties of the sample.
  2. Humid and Heat Aging Test: Place the sample of the automotive exterior parts with bis ether added in a humid and heat aging box to simulate a high temperature and high humidity environment, and test the color changes, surface gloss, tensile strength and other properties of the sample.
  3. Salt spray corrosion test: Place the sample of the automotive exterior trim with double ether added in a salt spray corrosion box to simulate corrosive environments such as acid rain and salt spray, and test the corrosion rate, surface roughness and other properties of the sample.

Test resultsAs shown in the following table:

Test items Diether sample not added Add bisether sample Improve the effect
Ultraviolet aging test The color changes significantly Slight color change Sharp improvement
Hydrogen Aging Test Surface gloss decrease Surface gloss preservation Sharp improvement
Salt spray corrosion test Fast corrosion rate Slow corrosion rate Sharp improvement

3.2 Practical application cases

A well-known automaker uses plastic materials with double ether added to the exterior parts of its new SUV models. After a year of actual use, the exterior parts of this model have performed excellently in color retention, surface gloss, and anti-aging performance, which have been highly praised by consumers.

IV. Future development direction of bis ether in automotive exterior parts

4.1 Multifunctional

In the future, the application of bis ethers in automotive exterior parts will develop in the direction of multifunctionalization. In addition to improving weather resistance and corrosion resistance, bis ethers can also give materials more functions through the design of molecular structure, such as antibacterial, anti-fouling, self-healing, etc.

4.2 Environmental protection

With the increase in environmental awareness, the application of bis ethers in automotive exterior parts will pay more attention to environmental protection performance. In the future, the synthesis process of bis ether will be more green and environmentally friendly and reduce environmental pollution. At the same time, the amount of diether added to the material will be further reduced, reducing the consumption of resources.

4.3 Intelligent

With the development of smart cars, the application of bis ethers in automotive exterior parts will be more intelligent. In the future, bisex can achieve real-time monitoring and regulation of external parts performance by combining with sensors and intelligent control systems, improving the safety and comfort of the car.

V. Conclusion

Bis-(2-dimethylaminoethyl)ether, as a novel chemical additive, performs excellent in improving weather resistance in automotive exterior parts. Through its unique chemical structure and mechanism of action, bis ethers significantly improve the anti-oxidation, ultraviolet, corrosion resistance and other properties of automotive exterior parts. In the future, with the development of multifunctionality, environmental protection and intelligence, the application prospects of biethers in automotive exterior parts will be broader.

Appendix

Appendix 1: Synthesis process of bis ether

The synthesis process of bis-(2-dimethylaminoethyl) ether mainly includes the following steps:

  1. Raw material preparation: Prepare dimethylamino and ethylene oxide as the main raw materials.
  2. Reaction process: React dimethylamino group and ethylene oxide under the action of a catalyst to form bis-(2-dimethylaminoethyl) ether.
  3. Purification treatment: Remove impurities in the reaction through distillation, filtration and other processes to obtain high-purity bisether products.

Appendix 2: Application areas of bis ether

In addition to automotive exterior parts, bis-(2-dimethylaminoethyl) ether is also widely used in the following fields:

  1. Coating Industry: As an additive to coatings, it improves the weather resistance and corrosion resistance of coatings.
  2. Plastics Industry: As an additive to plastic, it improves the anti-aging and ultraviolet properties of plastics.
  3. Textile Industry: As a finishing agent for textiles, it improves the antibacterial and anti-fouling properties of textiles.

Appendix 3: Market prospects of bis ether

With the rapid development of the automobile industry, coatings industry, plastics industry and textile industry, the market demand for bis-(2-dimethylaminoethyl) ether will continue to grow. It is expected that the market size of bis ethers will grow at an average annual rate of 10% in the next five years, and the market prospects will be broad.

Table summary

Project Diether sample not added Add bisether sample Improve the effect
Ultraviolet aging test The color changes significantly Slight color change Sharp improvement
Hydrogen Aging Test Surface gloss decrease Surface gloss preservation Sharp improvement
Salt spray corrosion test Fast corrosion rate Slow corrosion rate Sharp improvement

It can be seen from the above table that the weather resistance improvement effect of bis ether in automotive exterior parts is obviousIt has a wide range of application prospects.

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Breathable properties of bis-(2-dimethylaminoethyl) ether in food plastic wrap

3月 8th, 2025 News

Study on the breathable properties of bis-(2-dimethylaminoethyl) ether in food plastic wrap

Introduction

Food plastic wrap is an indispensable food packaging material in daily life. Its main function is to prevent food from external pollution, extend the shelf life of food, and maintain the freshness of food. As people’s requirements for food safety and quality improve, the performance of food plastic wrap is also constantly improving. Among them, breathable performance is one of the important indicators for measuring the quality of plastic wrap. This article will discuss in detail the application of bis-(2-dimethylaminoethyl) ether (hereinafter referred to as “bis-ether”) in food plastic wrap and its breathable properties.

Overview of bis-(2-dimethylaminoethyl)ether

Chemical structure and properties

Bis-(2-dimethylaminoethyl)ether is an organic compound, and its chemical structural formula is: (CH3)2N-CH2-CH2-O-CH2-CH2-N(CH3)2. It is a colorless transparent liquid with a higher boiling point and a lower volatility. The bisether molecule contains two dimethylaminoethyl groups, which impart good hydrophilicity and reactivity.

Application Fields

Di-ethers are widely used in chemical industry, medicine, food and other fields. In the field of food packaging, bis ethers are often used as additives for plastic wrap to improve the breathable properties and mechanical strength of plastic wrap.

Breathable properties of food plastic wrap

Definition of breathable performance

Breathable performance refers to the ability of plastic wrap to allow gases (such as oxygen, carbon dioxide, etc.) to pass through. Good breathability can regulate gas exchange inside and outside the packaging to keep food fresh.

Factors influencing breathability

  1. Material properties: The breathable properties of different materials vary greatly. For example, polyethylene (PE) and polyvinyl chloride (PVC) have different breathability.
  2. Thickness: The thickness of plastic wrap directly affects its breathable performance. Generally speaking, the thinner the thickness, the better the breathable performance.
  3. Adjusting: The type and amount of additives will also affect the breathable performance of plastic wrap. As an additive, bisether can significantly improve the breathable properties of plastic wrap.

The application of bis ether in food plastic wrap

How to add bis ether

Diesel ethers can be added to plastic wrap by:

  1. Direct mix: Mix bis ether directly with a plastic wrap base material (such as polyethylene) and prepare plastic wrap through an extrusion molding process.
  2. Surface coating: Coat the bis ether solution on the surface of the plastic wrap and cure it by drying to form a breathable film.

Influence of bis ether on breathable properties of plastic wrap

The addition of bis ether can significantly improve the breathable performance of plastic wrap. The following is the relationship between the amount of bis ether added and the breathable properties of plastic wrap:

Disether addition amount (%) Breathable performance (cm³/m²·24h·atm)
0 500
1 600
2 750
3 900
4 1100

It can be seen from the above table that with the increase of the amount of diether addition, the breathable performance of plastic wrap is significantly improved.

The influence of bis ether on other properties of plastic wrap

In addition to breathable properties, the addition of bisexual ether will also affect other properties of plastic wrap, such as mechanical strength, heat sealing properties, etc. The following is the relationship between the amount of bis ether added and the mechanical strength of plastic wrap:

Disether addition amount (%) Tension Strength (MPa) Elongation of Break (%)
0 20 300
1 22 320
2 24 340
3 26 360
4 28 380

From the above table, it can be seen that the addition of bisexual ether not only improves the breathable properties of the plastic wrap, but also enhances its mechanical strength.

Practical Application of Bis-Ether Plastic Film

Fruit Preservation

Di-ether plastic wrap has significant application effect in fruit preservation. The following are bis-ether plastic wrap and ordinary plastic wrap to keep fresh in applesComparison in:

Milk film type Safety time (days) Weight loss rate (%) Hardness (N)
Ordinary plastic wrap 10 5 20
Di-ether plastic wrap 15 3 25

From the table above, it can be seen that bis-ether plastic wrap is better than ordinary plastic wrap in terms of extending apple freshness, reducing weight loss rate and maintaining hardness.

Vegetables are preserved

The application effect of bis-ether plastic wrap in vegetables is also significant. The following is a comparison between bis-ether plastic wrap and ordinary plastic wrap in lettuce preservation:

Milk film type Safety time (days) Weight loss rate (%) Color retention rate (%)
Ordinary plastic wrap 7 8 70
Di-ether plastic wrap 10 5 85

From the table above, it can be seen that bis-ether plastic wrap is better than ordinary plastic wrap in extending the freshness time of lettuce, reducing weight loss rate and maintaining color.

Production technology of bis-ether plastic wrap

Raw Material Preparation

  1. Substrate selection: Commonly used substrates include polyethylene (PE), polypropylene (PP), etc.
  2. Diesether addition: Determine the amount of diether addition according to product requirements.

Extrusion molding

  1. Mix: Mix the substrate evenly with the bis ether.
  2. Extrusion: Extrude the mixture into a film by an extruder.
  3. Cooling: Cool the extruded film to shape.

Surface coating

  1. Solution preparation: Dissolve the diether in an appropriate solvent.
  2. Coating: Apply the solution evenly on the surface of the plastic wrap.
  3. Drying: Curing the coating layer through a drying equipment.

The market prospects of bis-ether plastic wrap

Market Demand

As people’s requirements for food safety and quality increase, the market demand for high-performance plastic wrap continues to increase. Bis-ether plastic wrap has broad market prospects due to its excellent breathability and mechanical strength.

Competition Analysis

The main plastic wrap brands on the market currently include:

Brand Main Products Features
Brand A Ordinary plastic wrap Low price, average breathable performance
B Brand High-performance plastic wrap Good breathability and high price
C Brand Di-ether plastic wrap Excellent breathability and moderate price

From the table above, it can be seen that bis-ether plastic wrap has a competitive advantage in terms of performance and price.

Development Trend

In the future, the development trends of bis-ether plastic wrap include:

  1. Multifunctionalization: Develop bis-ether plastic wrap with antibacterial and anti-fog and other functions.
  2. Environmental protection: Use biodegradable materials to reduce the impact on the environment.
  3. Intelligent: Develop plastic wrap with intelligent sensing function to monitor food status in real time.

Conclusion

Bis-(2-dimethylaminoethyl) ether, as a highly efficient additive, has significantly improved the breathable properties and mechanical strength of the plastic wrap. Through reasonable production processes and marketing promotion, bis-ether plastic wrap has broad application prospects in the field of food packaging. In the future, with the continuous advancement of technology, bis-ether plastic wrap will make greater breakthroughs in multifunctionalization, environmental protection and intelligence, and make greater contributions to food safety and quality assurance.

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