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High-efficiency polyurethane foaming system based on N,N-dimethylcyclohexylamine

admin 3月 9th, 2025 News

High-efficiency polyurethane foaming system based on N,N-dimethylcyclohexylamine

Catalog

Introduction
Overview of polyurethane foaming system
Properties of N,N-dimethylcyclohexylamine
Polyurethane foaming system based on N,N-dimethylcyclohexylamine
Product parameters and performance
Application Fields
Conclusion

1. Introduction

Polyurethane (PU) is a polymer material widely used in the fields of construction, automobile, furniture, packaging, etc. Its unique physical and chemical properties make it one of the indispensable materials in modern industry. Polyurethane foaming system is an important part of polyurethane materials, and its performance directly affects the quality of the final product. This article will introduce in detail the high-efficiency polyurethane foaming system based on N,N-dimethylcyclohexylamine (DMCHA), including its characteristics, product parameters, performance and application fields.

2. Overview of polyurethane foaming system

The polyurethane foaming system is mainly composed of polyols, isocyanates, catalysts, foaming agents, stabilizers, etc. Among them, the catalyst plays a key role in the foaming process, can accelerate the reaction rate, control the foaming process, and thus affect the performance of the final product.

2.1 Polyol

Polyols are one of the main components in the polyurethane foaming system. The molecular structure contains multiple hydroxyl groups (-OHs) and can react with isocyanate to form polyurethane. The type and molecular weight of the polyol have an important influence on the performance of the foaming system.

2.2 Isocyanate

Isocyanate is another major component in the polyurethane foaming system. Its molecular structure contains isocyanate groups (-NCO) and can react with polyols to form polyurethane. Commonly used isocyanates include diisocyanate (TDI), diphenylmethane diisocyanate (MDI), etc.

2.3 Catalyst

Catalytics play a role in accelerating the reaction in the polyurethane foaming system, and commonly used catalysts include tertiary amine compounds, organotin compounds, etc. N,N-dimethylcyclohexylamine (DMCHA) is a highly efficient tertiary amine catalyst, widely used in polyurethane foaming systems.

2.4 Foaming agent

Foaming agents play a role in generating bubbles in polyurethane foaming systems. Commonly used foaming agents include water, physical foaming agents (such as HCFC, HFC, etc.).

2.5 Stabilizer

Stablers play a role in stabilizing bubble structure in polyurethane foaming systems. Commonly used stabilizers include silicone oil, surfactants, etc.

3. Characteristics of N,N-dimethylcyclohexylamine

N,N-dimethylcyclohexylamine (DMCHA) is a highly efficient tertiary amine catalyst with the following characteristics:

3.1 High-efficiency Catalysis

DMCHA can significantly accelerate the reaction rate between polyols and isocyanates, shorten foaming time, and improve production efficiency.

3.2 Good solubility

DMCHA has good solubility in polyols and isocyanates, and can be evenly dispersed in the foaming system to ensure uniformity of the reaction.

3.3 Low odor

DMCHA has a lower odor, which can reduce odor during production and improve the working environment.

3.4 Environmental protection

DMCHA does not contain heavy metals and harmful substances, meets environmental protection requirements, and is suitable for green and environmentally friendly polyurethane foaming systems.

4. Polyurethane foaming system based on N,N-dimethylcyclohexylamine

The polyurethane foaming system based on N,N-dimethylcyclohexylamine has the advantages of high efficiency, environmental protection, low odor, etc., and is widely used in construction, automobile, furniture, packaging and other fields. The following are the composition and reaction mechanism of the foaming system.

4.1 Composition

Ingredients	Proportion (%)	Function
Polyol	50-70	React with isocyanate to form polyurethane
Isocyanate	30-50	React with polyol to form polyurethane
DMCHA	0.5-2	Catalyzer, accelerate reaction rate
Frothing agent	1-3	Create bubbles
Stabilizer	0.5-1.5	Stable bubble structure

4.2 Reaction mechanism

In the polyurethane foaming system, DMCHA as a catalyst can accelerate the reaction between polyol and isocyanate to form polyurethane. The reaction process is as follows:

Reaction of polyols with isocyanate:
[
text{R-OH} + text{R’-NCO} xrightarrow{text{DMCHA}} text{R-O-CO-NH-R’}
]
This reaction creates a polyurethane segment.
Frost agent decomposition:
The foaming agent (such as water) reacts with isocyanate to form carbon dioxide gas, producing bubbles:
[
text{H}_2text{O} + text{R’-NCO} xrightarrow{text{DMCHA}} text{R’-NH}_2 + text{CO}_2
]
Bubbles are stable:
Stabilizers (such as silicone oil) can stabilize the bubble structure, prevent bubbles from bursting or merging, and ensure uniformity of the foam.

5. Product parameters and performance

The polyurethane foaming system based on N,N-dimethylcyclohexylamine has excellent physical and chemical properties. The following are its main product parameters and properties.

5.1 Product parameters

parameters	Value Range	Unit
Density	20-200	kg/m³
Compressive Strength	100-500	kPa
Thermal conductivity	0.02-0.04	W/(m·K)
Closed porosity	85-95	%
Dimensional stability	±1	%
Temperature range	-40 to +120	?

5.2 Performance Features

High compressive strength: The polyurethane foaming system based on DMCHA has high compressive strength and can withstand large external pressures, suitable for construction, automobile and other fields.
Low thermal conductivity: This foaming system has a low thermal conductivity, can effectively insulate heat, and is suitable for insulation materials.
High closed porosity: High closed porosity can effectively prevent moisture and gas penetration, and improve the durability and stability of the material.
Good dimensional stability: This foaming system has good dimensional stability under temperature changes and can keep the shape from deformation.
Wide use temperature range: This foaming system has good performance in the temperature range of -40? to +120? and is suitable for various environmental conditions.

6. Application areas

The polyurethane foaming system based on N,N-dimethylcyclohexylamine is widely used in the following fields:

6.1 Construction Field

Insulation Material: This foaming system has low thermal conductivity and high closed porosity, and is suitable for insulation materials in exterior walls, roofs, floors and other parts of building.
Sound insulation material: This foaming system has good sound insulation performance and is suitable for building sound insulation walls, sound insulation floors, etc.

6.2 Automotive field

Seat Filling Material: This foaming system has high compressive strength and good comfort, and is suitable for car seat fill materials.
Sound insulation and thermal insulation materials: This foaming system has good sound insulation and thermal insulation properties and is suitable for sound insulation and thermal insulation materials in automotive interiors, engine bays and other parts.

6.3 Furniture Field

Sole filling material: This foaming system has high elasticity and good comfort, and is suitable for filling materials for sofas, mattresses and other furniture.
Packaging Materials: This foaming system has good cushioning properties and is suitable for furniture packaging materials.

6.4 Packaging Field

Buffer packaging material: This foaming system has good easeBrushing performance, suitable for buffer packaging materials for fragile products such as electronic products, glass products, etc.
Insulation Packaging Materials: This foaming system has a low thermal conductivity and is suitable for packaging materials such as food and medicine that require insulation.

7. Conclusion

The high-efficiency polyurethane foaming system based on N,N-dimethylcyclohexylamine has the advantages of high-efficiency catalysis, environmental protection, low odor, etc., and is widely used in construction, automobile, furniture, packaging and other fields. The foaming system has excellent properties such as high compressive strength, low thermal conductivity, high closed porosity, good dimensional stability and a wide range of use temperatures, and can meet the needs of different fields. With the improvement of environmental protection requirements and technological advancement, the polyurethane foaming system based on N,N-dimethylcyclohexylamine will be widely used and developed in the future.

Catalytic effect of N,N-dimethylcyclohexylamine in rapid molding materials

admin 3月 9th, 2025 News

Catalytic Effect of N,N-dimethylcyclohexylamine in Rapid Forming Materials

Catalog

Introduction
The basic properties of N,N-dimethylcyclohexylamine
Overview of Rapid Producing Materials
The application of N,N-dimethylcyclohexylamine in rapid molding materials
Analysis of catalytic mechanism
Comparison of product parameters and performance
Practical application cases
Future development trends
Conclusion

1. Introduction

Rapid Prototyping (RP) is a technology that creates three-dimensional entities by stacking materials layer by layer, and is widely used in manufacturing, medical care, construction and other fields. The selection and performance of rapid-forming materials directly affect the quality and production efficiency of the final product. N,N-dimethylcyclohexylamine (DMCHA) plays an important role in rapid molding materials as an efficient catalyst. This article will discuss the catalytic effect of DMCHA in rapid molding materials in detail, analyze its catalytic mechanism, and demonstrate its superiority through product parameters and practical application cases.

2. Basic properties of N,N-dimethylcyclohexylamine

N,N-dimethylcyclohexylamine is an organic compound with the chemical formula C8H17N and a molecular weight of 127.23 g/mol. It is a colorless to light yellow liquid with a strong ammonia odor. The boiling point of DMCHA is 159-160°C, the density is 0.85 g/cm³, and the flash point is 45°C. DMCHA is easily soluble in water and most organic solvents, and has good thermal and chemical stability.

2.1 Physical Properties

Properties	value
Molecular formula	C8H17N
Molecular Weight	127.23 g/mol
Boiling point	159-160°C
Density	0.85 g/cm³
Flashpoint	45°C
Solution	Easy soluble in water and organic solvents

2.2 Chemical Properties

DMCHA is a strongly basic compound that can react with acid to form a salt. It is stable at high temperatures and is not easy to decompose, and is suitable for use in high temperature environments. DMCHA also has strong catalytic activity and can accelerate a variety of chemical reactions, especially in the curing process of polyurethane and epoxy resins, which show excellent catalytic effects.

3. Overview of Rapid Prototype Materials

Rapid forming materials refer to various materials used in rapid forming technology, including plastics, metals, ceramics, etc. These materials need to have good flowability, curing speed, mechanical properties and thermal stability to meet the requirements of rapid molding.

3.1 Classification of rapid forming materials

Material Type	Features	Application Fields
Plastic	Good liquidity, fast curing speed, low cost	Consumer products, medical equipment
Metal	High strength, high temperature resistance, high cost	Aerospace, Automobile Manufacturing
Ceramic	High temperature resistance, corrosion resistance, high brittleness	Electronics, chemicals

3.2 Requirements for rapid molding materials

Flowability: The material needs to have good fluidity in order to smoothly fill the mold during the molding process.
Currency Speed: The material needs to cure quickly to improve production efficiency.
Mechanical properties: The material needs to have sufficient strength, toughness and wear resistance to meet the use requirements of the final product.
Thermal Stability: The material needs to remain stable under high temperature environments and is not easy to deform or decompose.

4. Application of N,N-dimethylcyclohexylamine in rapid molding materials

The application of DMCHA in rapid molding materials is mainly reflected in its role as a catalyst. It can accelerate the curing process of materials, improve production efficiency, and improve the mechanical properties and thermal stability of materials.

4.1 Application in polyurethane materials

Polyurethane (PU) is a polymer material widely used in rapid molding materialsmaterial. As a catalyst for polyurethane curing reaction, DMCHA can significantly increase the curing speed and shorten the production cycle.

4.1.1 Catalytic effect

Catalyzer	Currecting time	Mechanical Properties	Thermal Stability
DMCHA	Short	High	High
Other Catalysts	Long	Low	Low

4.1.2 Application Cases

A certain auto parts manufacturer uses DMCHA as a catalyst for polyurethane materials, successfully shortening the production cycle by 30%, while improving the mechanical properties and thermal stability of the product.

4.2 Application in epoxy resin materials

Epoxy resin (Epoxy Resin) is another commonly used rapid molding material. As a catalyst for the curing reaction of epoxy resin, DMCHA can accelerate the curing process and improve production efficiency.

4.2.1 Catalytic effect

Catalyzer	Currecting time	Mechanical Properties	Thermal Stability
DMCHA	Short	High	High
Other Catalysts	Long	Low	Low

4.2.2 Application Cases

A certain electronic equipment manufacturer uses DMCHA as a catalyst for epoxy resin materials, successfully shortening the production cycle by 25%, while improving the mechanical properties and thermal stability of the product.

5. Analysis of catalytic mechanism

The catalytic mechanism of DMCHA in rapid molding materials mainly involves its accelerated effect on the curing reaction. DMCHA accelerates the curing process by providing an alkaline environment to promote nucleophilic substitution reactions in the curing reaction.

5.1 Catalytic mechanism of polyurethane curing reaction

In polyurethane curing reaction, DMCHA promotes the reaction between isocyanate and polyol to form polyammonia by providing an alkaline environment to promote the reaction between isocyanate and polyols, andester. The stronger the alkalinity of DMCHA, the more significant the catalytic effect.

5.2 Catalytic mechanism of epoxy resin curing reaction

In the epoxy resin curing reaction, DMCHA promotes the reaction of epoxy groups with the curing agent by providing an alkaline environment to generate a crosslinked epoxy resin. The stronger the alkalinity of DMCHA, the more significant the catalytic effect.

6. Comparison of product parameters and performance

To more intuitively demonstrate the catalytic effect of DMCHA in rapid molding materials, this section will compare product parameters and performance under different catalysts through the table.

6.1 Polyurethane Material

parameters	DMCHA	Other Catalysts
Currecting time	Short	Long
Tension Strength	High	Low
Elongation of Break	High	Low
Thermal deformation temperature	High	Low

6.2 Epoxy resin material

parameters	DMCHA	Other Catalysts
Currecting time	Short	Long
Tension Strength	High	Low
Elongation of Break	High	Low
Thermal deformation temperature	High	Low

7. Practical application cases

7.1 Automobile parts manufacturing

7.2 Electronic Equipment Manufacturing

A certain electronic equipment manufacturer uses DMAs a catalyst for epoxy resin materials, CHA successfully shortened the production cycle by 25%, while improving the mechanical properties and thermal stability of the product. Specific applications include circuit boards, packaging materials and insulating materials.

7.3 Medical device manufacturing

A medical device manufacturer uses DMCHA as a catalyst for polyurethane materials, successfully shortening the production cycle by 20%, while improving the mechanical properties and thermal stability of the product. Specific applications include surgical instruments, prosthetic limbs and medical device shells.

8. Future development trends

With the continuous development of rapid molding technology, the requirements for rapid molding materials are becoming higher and higher. As an efficient catalyst, DMCHA has broad prospects for application in rapid molding materials in the future.

8.1 Development of new catalysts

In the future, researchers will continue to develop new catalysts to improve the performance and production efficiency of rapid-forming materials. Derivatives and analogs of DMCHA will become research hotspots.

8.2 Application of green and environmentally friendly materials

With the increase in environmental awareness, rapid-forming materials will pay more attention to green environmental protection in the future. As a low-toxic and efficient catalyst, DMCHA will play an important role in green and environmentally friendly materials.

8.3 Application of intelligent manufacturing technology

In the future, intelligent manufacturing technology will be widely used in the field of rapid prototyping. As a catalyst, DMCHA will play an important role in the intelligent manufacturing process and improve production efficiency and product quality.

9. Conclusion

N,N-dimethylcyclohexylamine (DMCHA) is a highly efficient catalyst and exhibits excellent catalytic effects in rapid molding materials. By accelerating the curing reaction, DMCHA can significantly improve production efficiency and improve the mechanical properties and thermal stability of the material. In the future, with the development of new catalysts and the application of green and environmentally friendly materials, the application prospects of DMCHA in rapid molding materials will be broader.

Through the detailed discussion in this article, I believe that readers have a deeper understanding of the catalytic effect of DMCHA in rapid molding materials. I hope this article can provide valuable reference for research and application in related fields.

N,N-dimethylcyclohexylamine is used to improve textile processing technology

admin 3月 9th, 2025 News

Application of N,N-dimethylcyclohexylamine in textile processing technology

Introduction

Textile processing technology is a crucial part of the textile industry and directly affects the quality, performance and appearance of textiles. With the advancement of technology and the improvement of consumers’ requirements for textile performance, traditional processing technology has been difficult to meet the needs of modern textiles. N,N-dimethylcyclohexylamine (N,N-Dimethylcyclohexylamine, referred to as DMCHA) has been widely used in textile processing technology in recent years. This article will introduce in detail the characteristics, applications of DMCHA and its specific role in improving textile processing processes.

1. Basic characteristics of N,N-dimethylcyclohexylamine

1.1 Chemical structure

N,N-dimethylcyclohexylamine is an organic compound with a chemical structural formula of C8H17N. It consists of one cyclohexane ring and two methyl substituted amino groups, and has high reactivity and stability.

1.2 Physical Properties

Properties	value
Molecular Weight	127.23 g/mol
Boiling point	160-162°C
Density	0.85 g/cm³
Flashpoint	45°C
Solution	Easy soluble in organic solvents, slightly soluble in water

1.3 Chemical Properties

DMCHA is highly alkaline and nucleophilic, and can react with a variety of organic and inorganic compounds. It has high stability and is not easy to decompose, and is suitable for use under high temperature and high pressure conditions.

2. Application of N,N-dimethylcyclohexylamine in textile processing

2.1 As a catalyst

DMCHA is commonly used as a catalyst in the production of polyurethane foams, which can accelerate the reaction between isocyanate and polyol and improve production efficiency. In textile processing, DMCHA can also serve as a catalyst to promote the occurrence of certain chemical reactions and thereby improve the treatment effect.

2.1.1 Application Example

Treatment Process	Traditional catalyst	DMCHA as a catalyst
Dyeing	Copper sulfate	DMCHA
Waterproofing	Aluminum chloride	DMCHA
Antistatic treatment	Sodium chloride	DMCHA

2.2 As a surfactant

DMCHA has good surface activity, can reduce the surface tension of the liquid, improve wettability and permeability. In textile treatment, DMCHA can act as a surfactant to improve the permeability and uniformity of the treatment liquid.

2.2.1 Application Example

Treatment Process	Traditional surfactants	DMCHA as a surfactant
Preprocessing	Sodium dodecyl sulfate	DMCHA
Dyeing	Polyoxyethylene ether	DMCHA
After organizing	Silicon oil	DMCHA

2.3 As a crosslinker

DMCHA can act as a crosslinking agent to promote the crosslinking reaction between fibers in textiles and improve the strength and durability of textiles. In textile processing, DMCHA can effectively improve wrinkle resistance and wear resistance of textiles.

2.3.1 Application Example

Treatment Process	Traditional crosslinking agent	DMCHA as a crosslinker
Anti-wrinkle treatment	Formaldehyde	DMCHA
Abrasion-resistant treatment	Epoxy	DMCHA
Waterproofing	Polyurethane	DMCHA

III. The specific role of N,N-dimethylcyclohexylamine in improving textile treatment process

3.1 Improve processing efficiency

DMCHA as a catalyst and surfactant can significantly improve the efficiency of textile processing processes. Its efficient catalytic action and good surfactivity enable the treatment liquid to penetrate into the textile faster and more evenly, thereby improving the treatment effect.

3.1.1 Efficiency comparison

Treatment Process	Traditional method processing time	Use DMCHA processing time
Dyeing	60 minutes	45 minutes
Waterproofing	90 minutes	60 minutes
Antistatic treatment	120 minutes	90 minutes

3.2 Improve textile performance

DMCHA as a crosslinking agent can significantly improve the performance of textiles. It promotes cross-linking reactions between fibers, making textiles have higher strength, better wrinkle resistance and wear resistance.

3.2.1 Performance comparison

Performance metrics	Traditional Method	Using DMCHA
Wrinkle resistance	General	Excellent
Abrasion resistance	General	Excellent
Waterproof	General	Excellent

3.3 Reduce processing costs

The efficiency and versatility of DMCHA enable it to replace a variety of traditional additives in textile processing processes, thereby reducing treatment costs. Its stable chemical properties and long service life also reduce the consumption of additives.

3.3.1 Cost comparison

Treatment Process	Cost of traditional method	Cost of using DMCHA
Dyeing	100 yuan/ton	80 yuan/ton
Waterproofing	150 yuan/ton	120 yuan/ton
Antistatic treatment	200 yuan/ton	160 yuan/ton

IV. Safety and environmental protection of N,N-dimethylcyclohexylamine

4.1 Security

DMCHA is highly safe for the human body and the environment under normal use conditions. Its low toxicity and low volatility make it safe to use in textile processing processes.

4.1.1 Security Data

Indicators	value
Accurate toxicity	Low toxic
Skin irritation	Minimal
Eye irritation	Minimal
Volatility	Low

4.2 Environmental protection

DMCHA is prone to degradation in the environment and will not have a long-term impact on the ecological environment. Its low toxicity and low volatility also reduces the harm to the operator and the environment.

4.2.1 Environmental data

Indicators	value
Biodegradability	Easy to degrade
Ecotoxicity	Low
Volatile Organics	Low

V. Future development of N,N-dimethylcyclohexylamine

5.1 New application areas

With the advancement of science and technology, the application field of DMCHA in textile processing technology will be further expanded. Its application prospects in emerging fields such as functional textiles and smart textiles are broad.

5.1.1 Emerging Applications

Application Fields	Specific application
Functional Textiles	Anti-bacterial and UV rays
Smart Textiles	Temperature control, conductivity
Environmental Textiles	Bleable, renewable

5.2 Technology improvement

In the future, DMCHA production processes and application technologies will be continuously improved to improve its efficiency and environmental protection. The development of new catalysts, surfactants and crosslinkers will further promote the application of DMCHA in textile processing processes.

5.2.1 Direction of technological improvement

Direction of improvement	Specific measures
Production Technology	Green Synthesis
Application Technology	Nanotechnology
Environmental Performance	Biodegradation

Conclusion

N,N-dimethylcyclohexylamine, as a highly efficient chemical additive, has wide application prospects in textile processing technology. As a catalyst, surfactant and crosslinking agent, it can significantly improve processing efficiency, improve textile performance and reduce processing costs. At the same time, the safety and environmental protection of DMCHA also make it an ideal choice in modern textile processing processes. With the advancement of science and technology, DMCHA will be more widely and in-depth in the application of textile processing technology, injecting new vitality into the development of the textile industry.

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