N,N,N’,N”,N”-pentamethyldipropylene triamine: Opening new paths for the manufacture of high-performance polyurethane composites

March 11, 2025by admin0

N,N,N’,N”,N”-pentamethyldipropylene triamine: Opening up new paths for the manufacture of high-performance polyurethane composites

Introduction

In the field of modern materials science, polyurethane composite materials have attracted much attention due to their excellent mechanical properties, chemical stability and wide application prospects. However, with the continuous increase in industrial demand, traditional polyurethane composite materials have gradually shown limitations in performance. To overcome these limitations, scientists have continuously explored new additives and modifiers in order to improve the comprehensive performance of polyurethane composites. N,N,N’,N”,N”-pentamethyldipropylene triamine (hereinafter referred to as “pentamethyldipropylene triamine”) has gradually emerged in recent years as a new amine compound. This article will introduce in detail the chemical characteristics, product parameters, application advantages of pentamethyldipropylene triamine and its specific application in the manufacture of high-performance polyurethane composite materials.

1. Chemical properties of pentamethyldipropylene triamine

1.1 Chemical structure

The chemical formula of pentamethyldipropylene triamine is C11H23N3, and its molecular structure contains three nitrogen atoms and two propylene groups. This unique structure imparts excellent reactivity and chemical stability to pentamethyldipropylene triamine.

1.2 Physical Properties

parameter name	Value/Description
Molecular Weight	197.32 g/mol
Appearance	Colorless to light yellow liquid
Density	0.89 g/cm³
Boiling point	250-260°C
Flashpoint	110°C
Solution	Easy soluble in organic solvents, slightly soluble in water

1.3 Chemical Properties

Penmethyldipropylene triamine has high reactivity and can react with a variety of compounds, especially in the synthesis of polyurethanes, which exhibit excellent performance as crosslinking agents and catalysts. The nitrogen atoms in its molecules can react with isocyanate groups to form stable urethane bonds, thereby enhancing the mechanical properties and chemical stability of polyurethane materials.

Di. Product parameters of pentamethyldipropylene triamine

2.1 Product Specifications

parameter name	Value/Description
Purity	≥99%
Moisture content	≤0.1%
Acne	≤0.5 mg KOH/g
Amine Value	280-320 mg KOH/g
Viscosity	10-15 mPa·s (25°C)

2.2 Storage and Transport

parameter name	Value/Description
Storage temperature	5-30°C
Storage period	12 months
Transportation method	Seal the container to avoid direct sunlight
Packaging Specifications	25kg/barrel, 200kg/barrel

Advantages of application of trimethoxydipropylene triamine in polyurethane composite materials

3.1 Enhanced mechanical properties

Pentamethyldipropylene triamine as a crosslinking agent can significantly improve the mechanical properties of polyurethane composites. The nitrogen atoms in its molecules react with isocyanate groups to form stable urethane bonds, thereby enhancing the tensile strength, bending strength and impact strength of the material.

Performance metrics	Traditional polyurethane	Polyurethane with pentamethyldipropylene triamine
Tension Strength	30 MPa	45 MPa
Bending Strength	50 MPa	70 MPa
Impact strength	10 kJ/m²	15 kJ/m²

3.2 Improve chemical stability

Penmethyldipropylene triamine can react with active groups in the polyurethane molecular chain to form stable chemical bonds, thereby improving the chemical corrosion resistance and weather resistance of the material. This allows polyurethane composites to maintain excellent performance in harsh environments.

Performance metrics	Traditional polyurethane	Polyurethane with pentamethyldipropylene triamine
Acidal and alkali resistance	General	Excellent
Weather resistance	General	Excellent
Solvent Resistance	General	Excellent

3.3 Improve processing performance

Penmethyldipropylene triamine has a good catalytic effect in the synthesis of polyurethane, which can accelerate the reaction rate, shorten the curing time, and thus improve production efficiency. In addition, its low viscosity and good solubility also help improve the processing properties of the material.

Performance metrics	Traditional polyurethane	Polyurethane with pentamethyldipropylene triamine
Current time	24 hours	12 hours
Processing Temperature	80-100°C	60-80°C
Liquidity	General	Excellent

Special application of tetramethyldipropylene triamine in the manufacture of high-performance polyurethane composite materials

4.1 Automobile Industry

In the automotive industry, polyurethane composite materials are widely used in interior parts, exterior parts and structural parts. Polyurethane composite materials with pentamethyldipropylene triamine have higher mechanical strength and weather resistance, which can meet the strict requirements of the automotive industry for material performance.

Application Fields	Traditional polyurethane	Add fivePolyurethane of methdipropylene triamine
Interior parts	General	Excellent
Exterior Parts	General	Excellent
Structural Parts	General	Excellent

4.2 Construction Industry

In the construction industry, polyurethane composite materials are commonly used in thermal insulation materials, waterproof coatings and structural adhesives. The addition of pentamethyldipropylene triamine can significantly improve the weather resistance and chemical corrosion resistance of the material and extend the service life.

Application Fields	Traditional polyurethane	Polyurethane with pentamethyldipropylene triamine
Insulation Material	General	Excellent
Waterproof Paint	General	Excellent
Structural Adhesive	General	Excellent

4.3 Electronics and Electrical Appliances

In the field of electronic and electrical appliances, polyurethane composite materials are commonly used in insulating materials, packaging materials and structural parts. The addition of pentamethyldipropylene triamine can improve the heat resistance and insulation performance of the material, and meet the high requirements of the electronic and electrical industry for material performance.

Application Fields	Traditional polyurethane	Polyurethane with pentamethyldipropylene triamine
Insulation Material	General	Excellent
Packaging Materials	General	Excellent
Structural Parts	General	Excellent

4.4 Aerospace

In the aerospace field, polyurethane composite materials are widely used in structural parts, interior parts and sealing materials. The addition of pentamethyldipropylene triamine can significantly improve the materialMechanical properties and weather resistance meet the extremely high requirements for material performance in the aerospace industry.

Application Fields	Traditional polyurethane	Polyurethane with pentamethyldipropylene triamine
Structural Parts	General	Excellent
Interior parts	General	Excellent
Sealing Material	General	Excellent

Future development prospects of pentamethyldipropylene triamine

5.1 Technological Innovation

With the continuous development of materials science, the synthesis process and application technology of pentamethyldipropylene triamine will be continuously optimized. In the future, through molecular design and structural modification, its reactive activity and application performance are expected to be further improved.

5.2 Application Expansion

The application field of pentamethyldipropylene triamine in polyurethane composite materials will continue to expand. In the future, its application prospects in new energy, environmentally friendly materials and biomedicine will be broad.

5.3 Market demand

As industrial demand continues to increase, the market demand for pentamethyldipropylene triamine will continue to grow. In the future, its market size and application scope will be further expanded worldwide.

Conclusion

N,N,N’,N”,N”-pentamethyldipropylene triamine, as a new type of amine compound, has shown significant application advantages in the manufacture of high-performance polyurethane composite materials. Its unique chemical structure and excellent physical and chemical properties make it excellent in enhancing mechanical properties, improving chemical stability and improving processing properties. With the continuous advancement of technology and the continuous growth of market demand, the application prospects of pentamethyldipropylene triamine in polyurethane composite materials will be broader. In the future, through technological innovation and application expansion, pentamethyldipropylene triamine is expected to open up new paths for the manufacture of high-performance polyurethane composite materials and promote the development of materials science.

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