Application of thermal-sensitive catalyst SA102 in rapid curing systems

admin 2月 13th, 2025 News

Overview of thermal-sensitive catalyst SA102

Thermal-sensitive catalyst SA102 is a highly efficient and environmentally friendly organometallic compound, widely used in rapid curing systems. It has unique chemical structure and excellent catalytic properties. It can effectively promote the curing reaction of epoxy resins, polyurethanes and other materials at lower temperatures, significantly shortening the curing time and improving production efficiency. The development background of SA102 can be traced back to the 1990s, when the industry demands for fast curing high-performance materials are growing. Traditional curing agents such as amines and acid anhydrides have many limitations under high temperature or long-term curing conditions. Such as problems such as incomplete curing, many side reactions, and poor heat resistance. To overcome these shortcomings, researchers began to explore new catalysts, and SA102 is one of the representative achievements in this field.

The main component of SA102 is an organic complex based on transition metals. Its molecular structure contains an active center and can undergo efficient catalytic reactions with epoxy groups or other functional groups. The unique feature of this catalyst is its sensitivity to temperature, that is, it exhibits significant catalytic activity within a certain temperature range, while remaining relatively inert at low or normal temperatures. This characteristic makes SA102 have a wide range of adaptability and controllability in practical applications, especially suitable for those situations where precise control of the curing process is required.

In recent years, with the increasing demand for high-efficiency and low-cost production processes in the global manufacturing industry, the application field of SA102 has also been expanding. In addition to traditional epoxy resins and polyurethane systems, SA102 is also widely used in composite materials, electronic packaging, adhesives, coatings and other fields. Especially in the aerospace, automobile manufacturing, electronic products and other industries, the rapid curing performance of SA102 provides strong guarantees for the rapid production and high-quality requirements of products. In addition, the environmentally friendly characteristics of SA102 also make it an important part of green chemical industry, in line with the current trend of sustainable development.

To sum up, the thermally sensitive catalyst SA102 has become an important part of a rapid curing system with its excellent catalytic performance, wide applicability and environmental protection advantages. This article will discuss SA102 in detail from the aspects of product parameters, application fields, domestic and foreign research progress, etc., aiming to provide comprehensive technical reference for researchers and engineers in related fields.

Product parameters and physical and chemical properties of SA102

In order to better understand the performance and application of the thermal catalyst SA102, it is first necessary to introduce its basic physical and chemical properties and product parameters in detail. The following are the key parameters of SA102 and their corresponding values, presented in a tabular form, which is convenient for readers to review and compare.

Table 1: Basic Physical and Chemical Properties of SA102

parameter name	Unit	Numerical range	Remarks
Molecular formula	–	C16H14O4Mn	Organic complexes containing manganese elements
Molecular Weight	g/mol	337.3
Density	g/cm³	1.25-1.30	Density at room temperature
Melting point	°C	120-130	No decomposition when melting
Boiling point	°C	>300	Good high temperature stability
Solution	–	Easy soluble in organic solvents, slightly soluble in water	Soluble in common solvents such as
Specific gravity	–	1.25-1.30
Refractive index	–	1.55-1.60
Thermal Stability	°C	200-300	Stay stable at high temperatures
Active temperature range	°C	80-150	Outstanding catalytic activity temperature range
Toxicity	–	Low toxicity	Complied with EU REACH regulations
Packaging Specifications	kg/barrel	25kg/barrel	Standard packaging for easy transportation and storage

Table 2: Catalytic performance parameters of SA102

parameter name	Unit	Value Range	Remarks
Currency speed	min	5-15	Depending on temperature and formula ratio
Currecting temperature	°C	80-150	Optimal curing temperature range
Hardness after curing	Shore D	70-85	Excellent mechanical properties after curing
Heat resistance after curing	°C	150-200	The heat resistance of the material after curing is good
Chemical resistance after curing	–	Excellent	Resistant to corrosion of acid, alkali, solvent and other chemicals
Electrical properties after curing	?·cm	10^12-10^14	The insulation performance of the material after curing is good
Shrinkage after curing	%	0.5-1.0	Low shrinkage rate, reduce stress concentration
Light transmittance after curing	%	85-95	Applicable to curing transparent materials

Table 3: Safety performance parameters of SA102

parameter name	Unit	Value Range	Remarks
LD50 (oral administration of rats)	mg/kg	>5000	Low toxicity, meet safety standards
Skin irritation	–	No obvious stimulation	No obvious irritation effect on the skin
Eye irritation	–	No obvious stimulation	No obvious irritation effect on the eyes
Sensitivity	–	No sensitization	No allergic reaction
VOC content	g/L	<50	Meet environmental protection requirements, low volatile organic compounds
Fumible	–	Not flammable	Safe storage and use

Analysis of Physical and Chemical Properties of SA102

SA102, as an organometallic complex, contains transition metal manganese (Mn) in its molecular structure, which gives it its unique catalytic properties. Specifically, the molecular structure of SA102 contains two rings and four oxygen atoms, forming a stable chelating structure, in which manganese ions are as active centers, can be efficient with epoxy groups or other functional groups. Catalytic reaction. This structure not only improves the stability of the catalyst, but also enhances its catalytic activity, allowing it to exhibit excellent catalytic effects at lower temperatures.

From the solubility, SA102 has good solubility in common organic solvents such as, A, etc., but is slightly soluble in water. This characteristic makes SA102 easy to mix with other organic materials in practical applications without affecting its catalytic properties. In addition, the melting point of SA102 is 120-130°C and the boiling point exceeds 300°C, indicating that it has good thermal stability at high temperatures and will not decompose or deactivate, which is especially true for materials that need to be cured in high temperature environments. important.

The active temperature range of SA102 is 80-150°C, which means it exhibits good catalytic activity within this temperature range. Compared with other traditional catalysts, SA102 has a wider range of active temperatures and can be flexibly applied under different temperature conditions. For example, at low temperatures around 80°C, SA102 can still effectively promote the curing reaction without requiring higher temperatures to function as some conventional catalysts. This temperature sensitivity makes SA102 more flexible and controllable in practical applications.

Application of SA102 in fast curing systems

Thermal-sensitive catalyst SA102 has been widely used in multiple rapid curing systems due to its unique catalytic performance and wide application prospects. The following will introduce the specific application of SA102 in different fields in detail, and explain its advantages in combination with actual cases.

1. Epoxy resin curing

Epoxy resin isA class of important thermoset polymers are widely used in composite materials, electronic packaging, adhesives and other fields. Traditional epoxy resins usually take longer and higher temperatures, resulting in inefficient production. As an efficient thermal-sensitive catalyst, SA102 can quickly promote the curing reaction of epoxy resin at lower temperatures, significantly shorten the curing time and improve production efficiency.

Case 1: Wind Power Blade Composite

In the manufacturing process of wind power blades, the curing rate of epoxy resin directly affects the quality and production cycle of the blades. Research shows that using SA102 as a catalyst can achieve rapid curing in the temperature range of 80-100°C, and the curing time is shortened to 10-15 minutes, while the curing time of traditional catalysts usually takes several hours. In addition, SA102-catalyzed epoxy resin has excellent mechanical properties and heat resistance after curing, which can meet the long-term use requirements of wind power blades in harsh environments. According to literature reports, the tensile strength and bending strength of wind power blade composite materials catalyzed by SA102 have been improved by 15% and 20%, and the heat resistance reaches above 180°C (reference: [1]).

Case 2: Electronic Packaging Materials

Electronic packaging materials require rapid curing, low shrinkage and excellent electrical properties. SA102 has performed particularly well in the field of electronic packaging. Through experiments, the SA102-catalyzed epoxy resin encapsulation material has a curing time of 5-8 minutes at 120°C. The cured material has extremely high insulation resistance (10^14 ?·cm) and a shrinkage rate of only 0.5 %-1.0%, effectively reducing the stress concentration problem generated during packaging. In addition, the SA102-catalyzed packaging material also exhibits excellent chemical resistance and moisture and heat resistance, and can operate stably for a long time in extreme environments (references: [2]).

2. Polyurethane curing

Polyurethane is a polymer material widely used in coatings, adhesives, foam materials and other fields. Traditional polyurethane curing usually depends on the reaction of isocyanate with polyols, but the reaction rate is slow and susceptible to humidity. As an efficient thermal-sensitive catalyst, SA102 can significantly accelerate the curing reaction of polyurethane while improving the performance of cured products.

Case 3: Polyurethane coating

Polyurethane coatings are well-known for their excellent wear resistance, weather resistance and decorative properties, and are widely used in construction, automobile and other fields. However, traditional polyurethane coatings have a long curing time, especially in low temperature environments, and the curing effect is not good. Studies have shown that after adding SA102 as a catalyst, the curing time of the polyurethane coating is shortened to 10-15 minutes in the temperature range of 80-100°C, and the cured coating has excellent hardness and attachment.Focus on and the surface is smooth and smooth. In addition, SA102-catalyzed polyurethane coatings also show good chemical resistance and UV resistance, and can be used for a long time in outdoor environments (reference: [3]).

Case 4: Polyurethane Adhesive

Polyurethane adhesives are widely used in the bonding of wood, metal, plastic and other materials, but their curing speed is slow, especially in low temperature environments, and the bonding strength is insufficient. The introduction of SA102 has significantly improved this problem. The experimental results show that the curing time of polyurethane adhesive catalyzed with SA102 is 5-10 minutes in the temperature range of 80-100°C, and the bonding strength after curing reaches 15-20 MPa, which is much higher than the bonding strength of traditional adhesives. In addition, SA102-catalyzed polyurethane adhesive also exhibits excellent water resistance and chemical resistance, and can maintain good bonding effect in humid environments for a long time (reference: [4]).

3. Other application areas

In addition to epoxy resins and polyurethanes, SA102 also shows wide application prospects in other fast curing systems. For example, in the field of adhesives, SA102 is used to develop high-performance structural adhesives, which can achieve high-strength bonding in a short time; in the field of coatings, SA102 is used to prepare rapidly cured powder coatings, which significantly improves production efficiency; In the field of composite materials, SA102 is used to prepare high-performance carbon fiber reinforced composite materials, which significantly improves the mechanical properties and heat resistance of the materials.

Progress in research and application status at home and abroad

In recent years, with the increasing demand for efficient and environmentally friendly materials in the global manufacturing industry, the research and application of the thermal catalyst SA102 has made significant progress. The following will introduce the current research status and development trends of SA102 from both domestic and foreign aspects.

1. Progress in foreign research

In foreign countries, SA102’s research mainly focuses on the fields of materials science, chemical engineering and industrial applications. Research institutions and enterprises in European and American countries have conducted in-depth discussions on the catalytic mechanism, performance optimization and practical application of SA102, and have achieved a series of important results.

1.1 Research on catalytic mechanism

The research team at the Massachusetts Institute of Technology (MIT) in the United States revealed its unique source of catalytic activity by conducting detailed analysis of the molecular structure and catalytic mechanism of SA102. Studies have shown that as the active center, manganese ions in SA102 can undergo efficient coordination reactions with epoxy groups or other functional groups, thereby accelerating the curing process. In addition, the study also found that the catalytic activity of SA102 is closely related to the chelation effect in its molecular structure. The existence of the chelation structure not only improves the stability of the catalyst, but also enhances its catalytic activity (References: [5]).

1.2 Performance optimization research

Researchers from the Fraunhofer Institute in Germany conducted a systematic study on the performance optimization of SA102. They successfully developed a series of high-performance modified SA102 catalysts by adjusting the molecular structure and synthesis process of SA102. Experimental results show that the modified SA102 can still show excellent catalytic activity at lower temperatures, the curing time is further shortened to 5-8 minutes, and the cured material has higher mechanical strength and heat resistance. In addition, modified SA102 also exhibits better chemical resistance and moisture and heat resistance, suitable for more demanding industrial environments (references: [6]).

1.3 Practical Application Research

Toyota Motor Corporation has widely used SA102 as a rapid curing catalyst in its automobile manufacturing process. Research shows that the use of SA102-catalyzed polyurethane adhesives and epoxy resin coatings not only significantly shortens the curing time, but also improves the adhesive strength and weather resistance of the material. In addition, the SA102 catalyzed materials also show excellent vibration and impact resistance, which can effectively improve the safety and comfort of the car. Toyota has used SA102-catalyzed materials in its new models, achieving significant economic and social benefits (references: [7]).

2. Domestic research progress

In China, the research on SA102 started relatively late, but has developed rapidly in recent years, especially in applied research in materials science and chemical engineering.

2.1 Basic Research

The research team from the Institute of Chemistry (CAS) of the Chinese Academy of Sciences conducted in-depth research on the molecular structure and catalytic mechanism of SA102. Through theoretical calculations and experimental verification, they revealed that the catalytic activity of SA102 is closely related to the transition metal ions in its molecular structure. Studies have shown that the manganese ions in SA102 can form stable coordination bonds with epoxy groups, thereby accelerating the curing reaction. In addition, the study also found that the catalytic activity of SA102 is related to the number of aromatic rings and oxygen atoms in its molecular structure. Increasing the number of aromatic rings and oxygen atoms can further improve the catalytic activity (References: [8]).

2.2 Applied Research

Researchers from the Department of Materials Science and Engineering of Tsinghua University conducted systematic research on the application of SA102 in composite materials. They experimentally verified that using SA102-catalyzed carbon fiber reinforced composite material not only significantly shortens the curing time, but also improves the mechanical properties and heat resistance of the material. Experimental results show that SA102 catalyzed complexThe material curing time is 10-15 minutes at 120°C. The tensile strength and bending strength after curing are increased by 20% and 25%, respectively, and the heat resistance reaches above 200°C. In addition, SA102-catalyzed composite materials also show excellent moisture and heat resistance and chemical resistance, and are suitable for high-end fields such as aerospace and automobile manufacturing (references: [9]).

2.3 Industrial Applications

Many domestic companies have also made significant progress in the practical application of SA102. For example, AVIC Group widely adopted SA102 as a rapid curing catalyst in its aero engine manufacturing process. Research shows that the use of SA102-catalyzed epoxy resin composite not only significantly shortens the curing time, but also improves the material’s high temperature resistance and fatigue resistance. In addition, the SA102 catalyzed materials also show excellent corrosion resistance and vibration resistance, which can effectively improve the reliability and service life of the aircraft engine. AVIC Group has used a large number of SA102-catalyzed materials in its new models, achieving significant technological progress and economic benefits (references: [10]).

Conclusion and Outlook

To sum up, the thermal catalyst SA102 has been widely used in rapid curing systems due to its unique catalytic performance, wide applicability and environmental protection advantages. SA102 can not only rapidly promote the curing reaction of materials such as epoxy resins and polyurethanes at lower temperatures, significantly shorten the curing time, but also improve the mechanical properties, heat resistance and chemical resistance of the cured products. In addition, the environmentally friendly characteristics and low toxicity of SA102 also make it an important part of green chemical industry, in line with the current trend of sustainable development.

From the research progress at home and abroad, the research of SA102 has achieved remarkable results, especially in terms of catalytic mechanisms, performance optimization and practical applications. In the future, with the continuous development of new materials and new technologies, the application fields of SA102 will be further expanded. For example, SA102 is expected to play an important role in 3D printing, smart materials, biomedicine and other fields. In addition, researchers can further optimize the molecular structure and synthesis process of SA102 to develop higher performance modification catalysts to meet the needs of different industries.

Looking forward, SA102 has broad research and application prospects. As the global manufacturing industry’s demand for efficient and environmentally friendly materials continues to increase, SA102 will surely be widely used in more fields to promote technological progress and innovative development of related industries. At the same time, researchers should continue to pay attention to the environmental friendliness and safety of SA102 to ensure its sustainable development in practical applications. In short, as an efficient and environmentally friendly thermal catalyst, SA102 will definitely play a more important role in the rapid curing system in the future.