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Application of tertiary amine catalyst LE-530 in improving weather resistance and chemical corrosion resistance of polyurethane coatings

admin 3月 12th, 2025 News

Application of tertiary amine catalyst LE-530 in improving the weather resistance and chemical corrosion resistance of polyurethane coatings

1. Introduction

Polyurethane coatings are widely used in construction, automobile, ship, furniture and other fields due to their excellent physical properties and chemical stability. However, with the diversification of application environments, polyurethane coatings face increasing demands in terms of weather resistance and chemical corrosion resistance. As a highly efficient catalyst, the tertiary amine catalyst LE-530 can significantly improve the performance of polyurethane coatings, especially in terms of weather resistance and chemical corrosion resistance. This article will introduce in detail the characteristics, mechanism of action of the tertiary amine catalyst LE-530 and its application in polyurethane coating.

2. Overview of LE-530, tertiary amine catalyst

2.1 Product parameters

parameter name	parameter value
Chemical Name	Term amine catalyst LE-530
Molecular Weight	About 200 g/mol
Appearance	Colorless to light yellow liquid
Density	0.95-1.05 g/cm³
Boiling point	About 200°C
Flashpoint	About 100°C
Solution	Easy soluble in organic solvents
Storage Conditions	Cool, dry, ventilated
Shelf life	12 months

2.2 Chemical structure

The chemical structure of the tertiary amine catalyst LE-530 contains multiple tertiary amine groups, which play a key catalytic role in the polyurethane reaction. The structure is as follows:

R1-N-R2
   |
   R3

Among them, R1, R2, and R3 are different organic groups, and the specific structure can be adjusted according to actual application requirements.

3. Mechanism of action of tertiary amine catalyst LE-530

3.1 Catalyzed polyurethane reaction

Term amine catalyst LE-530 mainly plays the following role in polyurethane reaction:

Accelerate the reaction of isocyanate with polyol: Tertiary amine catalysts can significantly reduce the reaction activation energy, accelerate the reaction rate, and thus improve production efficiency.
Control the reaction rate: By adjusting the amount of catalyst, the rate of polyurethane reaction can be accurately controlled to avoid coating defects caused by excessive or slow reaction.
Improving coating performance: Tertiary amine catalysts can promote cross-linking reactions and improve the mechanical properties and chemical stability of the coating.

3.2 Improve weather resistance

Term amine catalyst LE-530 improves the weather resistance of polyurethane coatings through the following mechanisms:

Enhanced Crosslinking Density: Catalysts promote crosslinking reactions, form denser network structures, reduce micropores and defects inside the coating, thereby improving weather resistance.
Antioxidation effect: Tertiary amine groups have certain antioxidant ability and can delay the aging process of the coating under environmental factors such as ultraviolet rays and oxygen.
Improving water resistance: The tight crosslinked structure promoted by the catalyst can effectively prevent moisture penetration and improve the water resistance of the coating.

3.3 Improve chemical corrosion resistance

Term amine catalyst LE-530 improves chemical corrosion resistance of polyurethane coatings through the following mechanisms:

Enhanced Chemical Stability: The crosslinking reaction promoted by the catalyst forms a more stable chemical structure that can resist the erosion of chemicals such as acids, alkalis, and solvents.
Reduce coating defects: The tight crosslinked structure reduces micropores and defects inside the coating and reduces the possibility of chemical penetration.
Improving adhesion: The chemical reaction promoted by the catalyst can enhance the adhesion between the coating and the substrate and reduce coating peeling caused by chemical erosion.

4. Application of tertiary amine catalyst LE-530 in polyurethane coating

4.1 Building paint

In architectural coatings, the tertiary amine catalyst LE-530 can significantly improve the weather resistance and chemical corrosion resistance of the coating and extend the service life of the building. The specific application is as follows:

Exterior wall coating: By adding the tertiary amine catalyst LE-530, exterior wall coating can better resist UVThe erosion of environmental factors such as lines, rainwater, acid rain and other environmental factors will maintain long-term beauty and protective effect.
Floor Coating: Floor coatings need to have excellent chemical corrosion resistance. The tertiary amine catalyst LE-530 can significantly improve the acid, alkali and solvent resistance of the coating, and are suitable for industrial floors, garage floors and other occasions.

4.2 Automotive Paint

In automotive coatings, the tertiary amine catalyst LE-530 can improve the weather resistance and chemical corrosion resistance of the coating and extend the service life of the automobile. The specific application is as follows:

Body Paint: By adding the tertiary amine catalyst LE-530, the body paint can better resist the erosion of environmental factors such as ultraviolet rays, acid rain, salt spray, etc., and maintain a long-term gloss and protective effect.
Chassis coating: Chassis coating requires excellent chemical corrosion resistance. The tertiary amine catalyst LE-530 can significantly improve the acid, alkali and solvent resistance of the coating, and is suitable for automotive chassis, engine compartment and other occasions.

4.3 Marine coating

In marine coatings, the tertiary amine catalyst LE-530 can improve the weather resistance of the coating and chemical corrosion resistance, and extend the service life of the ship. The specific application is as follows:

Hull Paint: By adding the tertiary amine catalyst LE-530, the hull paint can better resist the erosion of environmental factors such as seawater, ultraviolet rays, salt spray, etc., and maintain a long-term protective effect.
Deck coating: Deck coatings need to have excellent chemical corrosion resistance. The tertiary amine catalyst LE-530 can significantly improve the acid, alkali and solvent resistance of the coating, and are suitable for ship decks, cabins and other occasions.

4.4 Furniture Paints

In furniture coatings, the tertiary amine catalyst LE-530 can improve the weather resistance of the coating and chemical corrosion resistance, and extend the service life of the furniture. The specific application is as follows:

Wood Coating: By adding the tertiary amine catalyst LE-530, wood paint can better resist the erosion of environmental factors such as ultraviolet rays, moisture, chemicals, etc., and maintain long-term beauty and protective effect.
Metal coatings: Metal coatings need to have excellent chemical corrosion resistance. The tertiary amine catalyst LE-530 can significantly improve the acid, alkali and solvent resistance of the coating, and are suitable for furniture metal parts, hardware accessories and other occasions.

5. Usage of tertiary amine catalyst LE-530Method

5.1 Addition amount

The amount of tertiary amine catalyst LE-530 should be adjusted according to the specific application requirements. It is generally recommended that the amount of addition is 0.1%-1.0% of the total amount of polyurethane coating. For specific additions, please refer to the following table:

Application Fields	Suggested addition amount (%)
Building Paints	0.2-0.5
Auto paint	0.3-0.7
Ship Coating	0.4-0.8
Furniture Paints	0.1-0.4

5.2 How to use

Premix: Premix the tertiary amine catalyst LE-530 and the polyol components in advance to ensure that the catalyst is fully dispersed.
Reaction Control: Adjust the amount of catalyst added according to the reaction rate requirements, control the reaction rate, and avoid excessive or slow reaction.
Post-treatment: After the reaction is completed, perform appropriate post-treatment, such as curing, drying, etc. to ensure that the coating performance is excellent.

6. Advantages of tertiary amine catalyst LE-530

6.1 High-efficiency Catalysis

The tertiary amine catalyst LE-530 has an efficient catalytic effect, which can significantly increase the reaction rate of polyurethane, shorten the production cycle, and improve production efficiency.

6.2 Excellent performance

The tertiary amine catalyst LE-530 can significantly improve the weather resistance and chemical corrosion resistance of polyurethane coatings, extend the service life of the coating, and reduce maintenance costs.

6.3 Environmental protection and safety

Term amine catalyst LE-530 has the characteristics of low toxicity and low volatility, meets environmental protection requirements, and is safe and reliable in use.

6.4 Affordable

The tertiary amine catalyst LE-530 has a small amount of added amount, which has significant effect, which can reduce production costs and improve economic benefits.

7. Conclusion

Term amine catalyst LE-530 is an efficient catalyst that performs excellently in improving the weather resistance and chemical corrosion resistance of polyurethane coatings. By introducing its product parameters, mechanism of action, application field and usage method in detail, this paper demonstrates the tertiary amine catalyst LE-530’s wide application prospects in polyurethane coatings. In the future, with the continuous advancement of technology, the tertiary amine catalyst LE-530 will give full play to its unique advantages in more fields to provide strong support for the development of polyurethane coatings.

Tertiary amine catalyst LE-530: an ideal choice for the manufacture of environmentally friendly packaging materials

admin 3月 12th, 2025 News

Term amine catalyst LE-530: an ideal choice for the manufacture of environmentally friendly packaging materials

Introduction

With the increasing global environmental awareness, the environmental protection of packaging materials has become the focus of industry attention. Traditional packaging materials often contain harmful substances, which cause pollution to the environment. Therefore, the development of environmentally friendly packaging materials has become a top priority. As an efficient and environmentally friendly catalyst, LE-530 has shown great potential in the manufacture of environmentally friendly packaging materials. This article will introduce in detail the product parameters, application advantages, production processes and their applications in environmentally friendly packaging materials of the tertiary amine catalyst LE-530.

1. Overview of LE-530, tertiary amine catalyst

1.1 What is tertiary amine catalyst LE-530?

Term amine catalyst LE-530 is a highly efficient organic amine catalyst, mainly used in the production of polyurethane (PU) foam. It has the characteristics of high catalytic activity, fast reaction speed, good environmental protection performance, etc., and is widely used in the production of soft and hard polyurethane foams.

1.2 Chemical structure of tertiary amine catalyst LE-530

The chemical structure of the tertiary amine catalyst LE-530 contains multiple amine groups, which can effectively catalyze the reaction of isocyanate with polyols to form polyurethane foam. Its chemical structure is as follows:

Chemical Name	Chemical Structural Formula	Molecular Weight
Term amine catalyst LE-530	C12H27N3O2	245.36

1.3 Main characteristics of tertiary amine catalyst LE-530

Features	Description
Catalytic Activity	High catalytic activity can significantly increase the reaction speed
Environmental Performance	No heavy metals and harmful substances, meet environmental protection requirements
Stability	Stable catalytic performance can be maintained in high temperature and humid environments
Scope of application	Supplementary in the production of soft and rigid polyurethane foams

2. Tertiary amine catalyst LE-530Product parameters

2.1 Physical Properties

parameters	Value/Description
Appearance	Colorless to light yellow transparent liquid
Density	0.95 g/cm³
Boiling point	220°C
Flashpoint	110°C
Solution	Easy soluble in water and most organic solvents

2.2 Chemical Properties

parameters	Value/Description
pH value	8.5-9.5
Amine Value	450-500 mg KOH/g
Moisture content	?0.5%
Volatility	Low volatile, suitable for high temperature environments

2.3 Safety parameters

parameters	Value/Description
Toxicity	Low toxicity, slightly irritating to the skin and eyes
Storage Conditions	Cool and dry places to avoid direct sunlight
Shelf life	12 months

III. Application advantages of tertiary amine catalyst LE-530

3.1 High-efficiency Catalysis

The tertiary amine catalyst LE-530 has extremely high catalytic activity and can significantly improve the production efficiency of polyurethane foam. Its catalytic effect is better than that of traditional amine catalysts, and can complete the reaction in a short time and reduce the production cycle.

3.2 Environmental performance

Term amine inducedThe chemical agent LE-530 does not contain heavy metals and harmful substances, and meets environmental protection requirements. The polyurethane foam materials produced using this catalyst have good biodegradability and reduce environmental pollution.

3.3 Strong stability

The tertiary amine catalyst LE-530 can maintain stable catalytic performance under high temperature and humid environments, and is suitable for production needs in various complex environments.

3.4 Wide application scope

The tertiary amine catalyst LE-530 is not only suitable for the production of soft polyurethane foam, but also for the production of rigid polyurethane foam, and is widely used in furniture, automobiles, construction and other fields.

IV. Production process of tertiary amine catalyst LE-530

4.1 Raw material preparation

The main raw materials for producing tertiary amine catalyst LE-530 include polyols, isocyanates and tertiary amine compounds. These raw materials need to undergo strict quality control to ensure their purity and stability.

4.2 Reaction process

Mix the polyol and isocyanate in a certain proportion, add the tertiary amine catalyst LE-530, and react at appropriate temperature and pressure. During the reaction process, the reaction conditions must be strictly controlled to ensure the activity and reaction efficiency of the catalyst.

4.3 Post-processing

After the reaction is completed, the product needs to be processed, including filtration, drying and other steps to remove impurities and unreacted raw materials to obtain the pure tertiary amine catalyst LE-530.

4.4 Quality Test

During the production process, multiple quality tests of the tertiary amine catalyst LE-530 need to be carried out, including testing of catalytic activity, environmental protection performance, stability and other indicators to ensure that the product quality meets the standards.

V. Application of tertiary amine catalyst LE-530 in environmentally friendly packaging materials

5.1 Requirements for environmentally friendly packaging materials

With the increase in environmental awareness, consumers have put forward higher requirements for the environmental protection of packaging materials. Traditional packaging materials often contain harmful substances, which cause pollution to the environment. Therefore, the development of environmentally friendly packaging materials has become a trend in the industry.

5.2 Advantages of tertiary amine catalyst LE-530 in environmentally friendly packaging materials

The application of tertiary amine catalyst LE-530 in environmentally friendly packaging materials has the following advantages:

Advantages	Description
Efficient Catalysis	Improve production efficiency and shorten production cycle
Environmental Performance	No heavy metals and harmful substances, meet environmental protection requirements
Stability	Stable catalytic performance can be maintained in high temperature and humid environments
Scope of application	Supplementary in the production of soft and rigid polyurethane foams

5.3 Application Cases

5.3.1 Soft polyurethane foam packaging material

Soft polyurethane foam has good cushioning performance and flexibility, and is widely used in packaging materials in electronic products, furniture and other fields. The soft polyurethane foam material produced using the tertiary amine catalyst LE-530 has higher environmental protection performance and stability, which can effectively protect the product and reduce damage during transportation.

5.3.2 Rigid polyurethane foam packaging material

Rigid polyurethane foam has high strength and rigidity and is suitable for packaging materials for heavy-duty products. The rigid polyurethane foam material produced using the tertiary amine catalyst LE-530 has better environmental protection performance and durability, can effectively protect heavy-duty products and extend the service life of packaging materials.

5.4 Future development trends

With the continuous improvement of environmental protection requirements, the tertiary amine catalyst LE-530 will be more widely used in environmentally friendly packaging materials. In the future, with the advancement of technology, the performance of the tertiary amine catalyst LE-530 will be further improved and its application scope will be further expanded.

VI. Market prospects of tertiary amine catalyst LE-530

6.1 Market demand

With the increase in environmental awareness, the market demand for environmentally friendly packaging materials continues to increase. As a highly efficient and environmentally friendly catalyst, the tertiary amine catalyst LE-530 has broad application prospects in environmentally friendly packaging materials.

6.2 Competition Analysis

At present, there are many amine catalysts on the market, but the tertiary amine catalyst LE-530 has an advantage in competition due to its advantages such as high efficiency catalysis, good environmental performance and strong stability.

6.3 Development Suggestions

In order to further enhance the market competitiveness of the tertiary amine catalyst LE-530, it is recommended that enterprises make improvements in the following aspects:

Suggestions	Description
Technical Innovation	Increase R&D investment and improve the performance of catalysts
Market Promotion	Strengthen market promotion efforts and increase product visibility
Customer Service	Providing high-quality customer serviceServices to enhance customer stickiness

7. Conclusion

Term amine catalyst LE-530, as an efficient and environmentally friendly catalyst, has shown great potential in the manufacture of environmentally friendly packaging materials. Its advantages of high efficiency catalysis, good environmental performance and strong stability make it have broad application prospects in environmentally friendly packaging materials. With the continuous increase in environmental protection requirements, the market demand for the tertiary amine catalyst LE-530 will continue to increase, and the future development prospects are very optimistic.

Through the introduction of this article, I believe that readers have a deeper understanding of the tertiary amine catalyst LE-530. I hope this article can provide valuable reference for related industries and promote the development of environmentally friendly packaging materials.

Tertiary amine catalyst LE-530: an important component to realize the lightweight design of polyurethane products

admin 3月 12th, 2025 News

Term amine catalyst LE-530: an important component to realize the lightweight design of polyurethane products

Introduction

In modern industry, polyurethane (PU) materials are widely used in automobiles, construction, furniture, shoe materials and other fields due to their excellent physical properties and chemical stability. With the increase of environmental awareness and the demand for energy conservation and emission reduction, the lightweight design of polyurethane products has become an important development direction in the industry. As a highly efficient catalyst, the tertiary amine catalyst LE-530 plays a crucial role in the lightweight design of polyurethane products. This article will introduce in detail the characteristics, application of the tertiary amine catalyst LE-530 and its important role in the lightweight design of polyurethane products.

1. Overview of LE-530, tertiary amine catalyst

1.1 Basic concepts of tertiary amine catalysts

Term amine catalysts are a class of compounds containing three organic groups connected to nitrogen atoms, and are widely used in polyurethane foaming reactions. They promote the formation of polyurethane by accelerating the reaction of isocyanate with polyols. The selection of tertiary amine catalysts has an important influence on the performance, foaming speed, cell structure, etc. of polyurethane products.

1.2 Features of LE-530

LE-530 is a highly efficient tertiary amine catalyst with the following characteristics:

High-efficiency Catalysis: LE-530 can significantly accelerate the polyurethane foaming reaction and shorten the production cycle.
Low Odor: Compared with traditional tertiary amine catalysts, LE-530 has a lower odor, improving the working environment.
Environmentality: LE-530 does not contain heavy metals and harmful substances, and meets environmental protection requirements.
Stability: LE-530 exhibits good chemical stability during storage and use.

1.3 Product parameters of LE-530

parameter name	parameter value
Chemical Name	Term amine compounds
Appearance	Colorless to light yellow liquid
Density (20?)	0.95-1.05 g/cm³
Viscosity (25?)	50-100 mPa·s
FlashClick	>100?
Solution	Easy soluble in water and organic solvents
Storage temperature	5-35?
Shelf life	12 months

2. Application of LE-530 in polyurethane products

2.1 Polyurethane foaming reaction mechanism

Polyurethane foaming reaction mainly includes the following steps:

Isocyanate reacts with polyols: forms carbamate bonds and forms a polyurethane backbone.
Foaming reaction: Isocyanate reacts with water to form carbon dioxide gas, forming a cell structure.
Crosslinking reaction: The isocyanate further reacts with the polyol to form a three-dimensional network structure to enhance the strength of the material.

LE-530 accelerates the above reaction, improves foaming efficiency and optimizes the cell structure, thereby achieving a lightweight design of polyurethane products.

2.2 Application of LE-530 in different polyurethane products

2.2.1 Soft polyurethane foam

Soft polyurethane foam is widely used in furniture, mattresses, car seats and other fields. LE-530 achieves a lightweight design by optimizing the foam reaction, increasing the porosity of the foam and reducing density.

Application Fields	User effect
Furniture	Improve comfort and reduce weight
Mattress	Improve breathability and reduce weight
Car Seat	Improve riding comfort and reduce fuel consumption

2.2.2 Rigid polyurethane foam

Rough polyurethane foam is mainly used in construction insulation, cold chain transportation and other fields. LE-530 accelerates the foaming reaction, improves the closed cell rate of the foam, enhances the insulation performance, and reduces the material density.

Application Fields	User effect
Building Insulation	Improve thermal insulation performance and reduce energy consumption
Cold Chain Transport	Enhance the insulation effect and reduce weight

2.2.3 Semi-rigid polyurethane foam

Semi-rigid polyurethane foam is often used in automotive interiors, packaging materials and other fields. LE-530 improves the elasticity and strength of the foam while reducing material density by optimizing the foam reaction.

Application Fields	User effect
Car interior	Improve comfort and reduce weight
Packaging Materials	Enhance protection performance and reduce weight

III. The role of LE-530 in the lightweight design of polyurethane products

3.1 Reduce material density

LE-530 improves the uniformity and porosity of the cell structure by optimizing the foaming reaction, thereby reducing the density of polyurethane products. The lightweight design not only reduces the amount of material used, but also reduces the weight of the product and improves the convenience of transportation and use.

3.2 Improve mechanical properties

LE-530 enhances the mechanical properties of polyurethane products by accelerating the cross-linking reaction. The lightweight design does not mean sacrificing performance. The LE-530 maintains the strength and durability of the product while reducing density.

3.3 Optimize production process

The efficient catalytic effect of LE-530 shortens the time of polyurethane foaming reaction and improves production efficiency. Lightweight design not only reduces the use of materials, but also reduces production costs and improves the competitiveness of the enterprise.

3.4 Environmental protection and sustainable development

The low odor and environmentally friendly properties of LE-530 meet the sustainable development requirements of modern industry. The lightweight design reduces the use of materials, reduces carbon emissions, and meets the needs of environmental protection and energy conservation and emission reduction.

IV. How to use LE-530 and precautions

4.1 How to use

Composition: According to specific application requirements, the amount of LE-530 is generally 0.1%-0.5% of the weight of the polyol.
Mix: Mix LE-530 well with polyol to ensure uniform dispersion.
Reaction: Mix the mixed polyol and isocyanate in proportion to carry out foaming reaction.

4.2 Notes

Storage: LE-530 should be stored in a cool and dry place to avoid direct sunlight and high temperatures.
Usage: Wear protective gloves and glasses when using it to avoid direct contact with the skin and eyes.
Disposal: The abandoned LE-530 should be treated in accordance with local environmental regulations to avoid pollution of the environment.

V. Market prospects and development trends of LE-530

5.1 Market demand

With the increase in environmental awareness and the need for energy conservation and emission reduction, the lightweight design of polyurethane products has become an important development direction in the industry. As a highly efficient tertiary amine catalyst, LE-530 has continued to grow market demand.

5.2 Technology development trends

In the future, the technological development of LE-530 will mainly focus on the following aspects:

High-efficiency Catalysis: further improve catalytic efficiency and shorten production cycle.
Environmentality: Develop more environmentally friendly catalysts to reduce environmental pollution.
Multifunctionality: Develop catalysts with multiple functions to meet different application needs.

5.3 Market prospects

LE-530 has broad application prospects in the lightweight design of polyurethane products. With the continuous advancement of technology and the growth of market demand, LE-530 will play a more important role in the future.

VI. Conclusion

Term amine catalyst LE-530, as a highly efficient catalyst, plays an important role in the lightweight design of polyurethane products. By optimizing the foaming reaction, LE-530 not only reduces the density of polyurethane products, but also improves mechanical properties and production efficiency. With the increase in environmental awareness and the demand for energy conservation and emission reduction, the LE-530 has broad market prospects and will play a more important role in the lightweight design of polyurethane products in the future.

Appendix: Comparison of LE-530 with other tertiary amine catalysts

Catalyzer	Catalytic Efficiency	Smell	Environmental	Stability	Application Fields
LE-530	High	Low	High	High	Soft, hard, semi-rigid foam
Traditional tertiary amine catalyst	in	High	in	in	Soft foam
Environmentally friendly tertiary amine catalyst	in	Low	High	in	Rough Foam

It can be seen from comparison that LE-530 is better than traditional tertiary amine catalysts in terms of catalytic efficiency, odor, environmental protection and stability, and is suitable for lightweight design of a variety of polyurethane products.

The above content introduces in detail the characteristics, application, and its important role in the lightweight design of polyurethane products. Through tables and clear organization, this article aims to provide readers with comprehensive and easy-to-understand information to help better understand and apply LE-530.

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