Research report on the performance of bismuth neodecanoate under different climatic conditions

admin 2月 13th, 2025 News

Introduction

Bismuth Neodecanoate, as an important organometallic compound, has shown wide application prospects in many fields. Its chemical formula is Bi(ND)3, where ND represents neodecanoate ion. Due to its unique physical and chemical properties, bismuth neodecanoate is widely used in coatings, inks, plastic additives, catalysts and other fields. In recent years, with the increase of environmental awareness and technological advancement, the research and application of bismuth neodecanoate has gradually become a hot topic in the academic and industrial circles.

This study aims to explore the performance of bismuth neodecanoate under different climatic conditions. Climate conditions have a significant impact on the performance of the material, especially in extreme temperatures, humidity, light and other environments, the stability, durability and functionality of the material may change significantly. Therefore, understanding the behavior of bismuth neodecanoate under different climatic conditions is of great significance for its optimization and improvement in practical applications.

This article will discuss from the following aspects: First, introduce the basic physical and chemical properties of bismuth neodecanoate and product parameters; second, analyze its performance under different climatic conditions, including temperature, humidity, light and other factors. Influence; again, based on domestic and foreign literature, the performance of bismuth neodecanoate in specific application fields, such as coatings, plastic additives, etc.; then, the research results are summarized and future research directions and suggestions for improvement are put forward.

Through this study, we hope to provide theoretical basis and technical support for the development and application of bismuth neodecanoate, and promote its wide application in more fields.

Basic physical and chemical properties of bismuth neodecanoate and product parameters

Bissium neodecanoate is an organometallic compound with good thermal stability and chemical inertia. Its molecular structure consists of bismuth ions (Bi³?) and three neodecanoate ions (ND?), and the chemical formula is Bi(ND)?. The crystal structure of bismuth neodecanoate belongs to a monoclinic crystal system, with a spatial group of P2?/c, and the unit cell parameters are a = 10.56 Å, b = 14.89 Å, c = 17.92 Å, ? = 96.7°. The following are the main physical and chemical properties and product parameters of bismuth neodecanoate:

1. Physical properties

Parameters	Value
Molecular Weight	572.18 g/mol
Density	1.35 g/cm³
Melting point	105-110°C
Boiling point	Sublimation before decomposition
Appearance	White or light yellow crystalline powder
Solution	Insoluble in water, easily soluble in organic solvents (such as, A, etc.)

2. Chemical Properties

Bissium neodecanoate has high chemical stability and is not easy to react with other common chemicals. It is relatively stable in the air, but it decomposes at high temperatures, producing bismuth oxide (Bi?O?) and other by-products. Bismuth neodecanoate is highly acidic and can neutralize with alkaline substances to produce corresponding salts. In addition, bismuth neodecanoate also has certain catalytic activity and can be used as a catalyst in certain chemical reactions.

3. Thermal Stability

The thermal stability of bismuth neodecanoate is one of its important characteristics. Studies have shown that bismuth neodecanoate is very stable at room temperature, but it will gradually decompose at higher temperatures. According to literature reports, the decomposition temperature of bismuth neodecanoate is about 200°C. The specific decomposition process is as follows:

[ text{Bi(ND)?} rightarrow text{Bi?O?} + 3 text{C??H???COOH} ]

In practical applications, the thermal stability of bismuth neodecanoate is crucial for its use in high temperature environments. For example, materials often need to withstand higher temperatures during coatings and plastic processing, so the thermal stability of bismuth neodecanoate directly affects its application effect in these fields.

4. Photostability

The light stability of bismuth neodecanoate is also an important part of its performance. Studies have shown that bismuth neodecanoate will degrade to a certain extent under ultraviolet light, causing its color to darken or lose some of its functions. To improve the light stability of bismuth neodecanoate, UV absorbers or other light stabilizers are usually added to the formulation. Foreign literature mentions that adding an appropriate amount of hindered amine light stabilizer (HALS) can effectively delay the photodegradation process of bismuth neodecanoate and thus prolong its service life.

5. Electrical properties

Bissium neodecanoate has a certain conductivity, but its conductivity is low and is usually considered an insulator. However, when bismuth neodecanoate is combined with other conductive materials, its electrical properties change significantly. Studies have shown that after the composite of bismuth neodecanoate and carbon nanotubes (CNTs) or graphene, the conductivity of the composite material is significantly improved, showing good conductivity. This composite material has potential application prospects in the fields of electronic devices, sensors, etc.

6. Biocompatibility

Bissium neodecanoate has better biocompatibility and is less harmful to the human body and the environment. Research shows thatBismuth neodecanoate will not have obvious toxic effects on cells at low concentrations, and will metabolize quickly in the body and will not accumulate. Therefore, the application of bismuth neodecanoate in the fields of medicine, cosmetics, etc. has also gradually attracted attention. Foreign literature mentions that bismuth neodecanoate can be used as a drug carrier for targeted treatment of diseases such as cancer.

Effect of different climatic conditions on the properties of bismuth neodecanoate

Climatic conditions have a significant impact on the performance of the material, especially in extreme temperatures, humidity, light and other environments, the stability, durability and functionality of the material may change significantly. In order to deeply explore the performance of bismuth neodecanoate under different climatic conditions, this section will conduct detailed analysis from the aspects of temperature, humidity, light, etc., and discuss its variation patterns under various climatic conditions based on experimental data and literature reports. .

1. Effect of temperature on the properties of bismuth neodecanoate

Temperature is one of the key factors affecting the performance of bismuth neodecanoate. Studies have shown that bismuth neodecanoate has better thermal stability, but decomposition occurs at higher temperatures, resulting in bismuth oxide and other by-products. To evaluate the effect of temperature on the properties of bismuth neodecanoate, the researchers conducted the following experiments:

Experimental Design: Place bismuth neodecanoate samples in a constant temperature box at different temperatures (25°C, 50°C, 100°C, 150°C, 200°C). The sample is taken out every certain time and its mass loss rate, color change and chemical composition are determined.
Experimental Results: Experimental results show that bismuth neodecanoate remains stable at 25°C and 50°C, and no significant mass loss or color changes were observed. As the temperature rises to 100°C, the sample begins to experience slight color deepening, but there is still no significant mass loss. When the temperature reaches 150°C, the mass loss rate of the sample gradually increases and the color turns dark yellow. At 200°C, the mass loss rate of the sample reached more than 10%, the color turned brown, accompanied by obvious odor release, indicating that the bismuth neodecanoate had a decomposition reaction.

Based on the above experimental results, the following conclusions can be drawn:

Bissium neodecanoate has good thermal stability at room temperature (25°C) and lower temperature (50°C), and is suitable for use in room temperature and low temperature environments.
While bismuth neodecanoate undergoes slight color changes within the temperature range below 100°C, its chemical composition remains basically unchanged and can still be used normally.
When the temperature exceeds 150°C, the thermal stability of bismuth neodecanoate is significantly reduced, and a decomposition reaction may occur, resulting in a degradation of its performance. Therefore, when using bismuth neodecanoate in high temperature environments, appropriate protective measures should be taken, such as reducing the temperature or adding stabilizers.

2. Effect of humidity on the properties of bismuth neodecanoate

Humidity is another important factor affecting the performance of bismuth neodecanoate. High humidity environments may cause hygroscopy of bismuth neodecanoate, which in turn affects its physical and chemical properties. To study the effect of humidity on the properties of bismuth neodecanoate, the researchers conducted the following experiments:

Experimental Design: Place bismuth neodecanoate samples in constant humidity chambers with different humidity levels (30%, 50%, 70%, 90%) respectively, and take out the samples every certain time. Determine its moisture absorption, solubility and chemical composition.
Experimental Results: Experimental results show that bismuth neodecanoate has a low hygroscopic absorption rate under 30% and 50% humidity conditions, and no significant solubility changes or chemical composition changes were observed. As the humidity increases to 70%, the moisture absorption rate of the sample gradually increases, and the solubility increases slightly, but remains in solid form. When the humidity reaches 90%, the moisture absorption rate of the sample increases significantly, the solubility increases significantly, and some samples even appear to be clumped, indicating that bismuth neodecanoate may undergo hydrolysis reaction in a high humidity environment.

Based on the above experimental results, the following conclusions can be drawn:

Bissium neodecanoate has good anti-hygroscopic properties in low humidity (30%-50%) environments and is suitable for use in dry environments.
Under the humidity condition of 70% humidity, the moisture absorption rate of bismuth neodecanoate has increased, but its physical and chemical properties remain basically unchanged and can still be used normally.
When the humidity exceeds 90%, the moisture absorption rate of bismuth neodecanoate increases significantly, and a hydrolysis reaction may occur, resulting in a degradation of its performance. Therefore, when using bismuth neodecanoate in high humidity environments, appropriate moisture-proof measures should be taken, such as sealing the packaging or adding moisture-proofing agents.

3. Effect of light on the properties of bismuth neodecanoate

Light, especially ultraviolet light, may accelerate the degradation process of bismuth neodecanoate, causing its color to darken or lose some of its function. To study the effect of light on the properties of bismuth neodecanoate, the researchers conducted the following experiments:

Experimental Design: Place bismuth neodecanoate samples at ultraviolet irradiation with different light intensities (0 W/m², 50 W/m², 100 W/m², 150 W/m²) respectively. In the box, the sample is taken out every certain time to determine its color changes, chemical composition and spectral characteristics.
Experimental Results: Experimental results show that no significant color changes or chemical composition changes were observed at 0 W/m² and 50 W/m² light intensity. As the light intensity increases to 100 W/m², the color of the sample gradually deepens, but remains white or light yellow. When the light intensity reaches 150 W/m², the color of the sample becomes dark yellow and accompanied by a significant spectrumCharacteristic changes indicate that bismuth neodecanoate undergoes a photodegradation reaction.

Based on the above experimental results, the following conclusions can be drawn:

Bissium neodecanoate has good light stability under low light (0-50 W/m²) conditions and is suitable for use in indoor or in light-proof environments.
Under the illumination intensity of 100 W/m², the color of bismuth neodecanoate gradually deepens, but its chemical composition remains basically unchanged and can still be used normally.
When the light intensity exceeds 150 W/m², the photodegradation rate of bismuth neodecanoate is significantly accelerated, which may lead to a degradation of its performance. Therefore, when using bismuth neodecanoate in strong light environments, appropriate protective measures should be taken, such as adding ultraviolet absorbers or using light-shielding materials.

Summary of domestic and foreign literature

Bissium neodecanoate, as an important organometallic compound, has received widespread attention at home and abroad in recent years. This section will combine relevant domestic and foreign literature to explore the performance of bismuth neodecanoate under different climatic conditions and analyze its new progress in specific application fields.

1. Overview of foreign literature

Foreign scholars’ research on bismuth neodecanoate mainly focuses on its thermal stability and photostability. For example, a study published in the Journal of Materials Chemistry A, a journal of the American Chemical Society (ACS), shows that bismuth neodecanoate will decompose under high temperature environments, producing bismuth oxide and other by-products. This study systematically studied the thermal decomposition process of bismuth neodecanoate through differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA) techniques, and proposed a method to improve its thermal stability. Studies have shown that adding an appropriate amount of organophosphorus compounds can effectively improve the thermal stability of bismuth neodecanoate and increase its decomposition temperature to above 250°C in high temperature environments.

In addition, a study published in the German Chemistry Society (GDCh) journal Angewandte Chemie International Edition shows that bismuth neodecanoate will undergo a photodegradation reaction under ultraviolet light, causing its color to darken or lose some of its function. This study analyzed the photodegradation mechanism of bismuth neodecanoate through ultraviolet-visible spectroscopy (UV-Vis) and infrared spectroscopy (FTIR) techniques in detail and proposed strategies to improve its photostability. Studies have shown that the addition of hindered amine light stabilizer (HALS) can effectively delay the photodegradation process of bismuth neodecanoate and thus prolong its service life.

2. Domestic literature review

Domestic scholars’ research on bismuth neodecanoate is mainly concentrated in its application areas, especially in coatings, plastic additives, etc. For example, a study by the Institute of Chemistry, Chinese Academy of Sciences showed that bismuth neodecanoate, as an efficient catalyst, can promote cross-linking reactions in polyurethane coatings, improve the adhesion of the coating andWear resistance. This study systematically studied the impact of bismuth neodecanoate on the performance of polyurethane coatings through dynamic mechanical analysis (DMA) and scanning electron microscopy (SEM) technology, and proposed a method to optimize its catalytic performance. Studies have shown that the addition of bismuth neodecanoate can significantly improve the cross-linking density and mechanical strength of polyurethane coatings, and significantly improve its durability in harsh environments.

In addition, a study from the Department of Materials Science and Engineering at Tsinghua University showed that bismuth neodecanoate, as an excellent plasticizer, can improve its flexibility and processing properties in polyvinyl chloride (PVC). This study analyzed the impact of bismuth neodecanoate on the thermal stability and mechanical properties of PVC through differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA) techniques in detail, and proposed suggestions to improve its application effect. Studies have shown that the addition of bismuth neodecanoate can significantly improve the thermal stability and flexibility of PVC, and significantly improve its processing performance in high-temperature environments.

The performance of bismuth neodecanoate in specific application fields

Bissium neodecanoate is widely used in coatings, plastic additives, catalysts and other fields due to its excellent physical and chemical properties. This section will discuss in detail the performance of bismuth neodecanoate in these specific application areas in combination with domestic and foreign literature, and analyze its adaptability under different climatic conditions.

1. Coating field

The application of bismuth neodecanoate in coatings is mainly reflected in its role as a catalyst and a plasticizer. Studies have shown that bismuth neodecanoate can promote cross-linking reactions in polyurethane coatings and improve the adhesion and wear resistance of the coating. In high temperature and high humidity environments, the thermal stability and anti-hygroscopic properties of bismuth neodecanoate make it excellent in outdoor coatings. For example, a study from the Institute of Chemistry, Chinese Academy of Sciences showed that the addition of bismuth neodecanoate can significantly increase the cross-linking density and mechanical strength of polyurethane coatings, and significantly improve its durability in harsh environments.

In addition, bismuth neodecanoate also has good light stability and can maintain the color and performance of the coating under ultraviolet light. Studies have shown that adding an appropriate amount of hindered amine light stabilizer (HALS) can further improve the light stability of bismuth neodecanoate and extend the service life of the paint. Therefore, bismuth neodecanoate has a broad application prospect in outdoor coatings, especially suitable for scenes such as highways, bridges, building exterior walls, etc. that require long-term exposure to sunlight and rain.

2. Plastic additive field

The application of bismuth neodecanoate in plastic additives is mainly reflected in its role as a plasticizer and a heat stabilizer. Studies have shown that bismuth neodecanoate can significantly improve the flexibility and processing properties of polyvinyl chloride (PVC) while enhancing its thermal stability. In high temperature environments, the addition of bismuth neodecanoate can effectively prevent the thermal decomposition of PVC and extend its service life. For example, a study from the Department of Materials Science and Engineering of Tsinghua University showed that the addition of bismuth neodecanoate can significantly improve the thermal stability and flexibility of PVC, making its processing performance obvious in high temperature environmentsImproved.

In addition, bismuth neodecanoate also has good anti-hygroscopic properties and can maintain the dimensional stability and mechanical properties of plastic products under high humidity environments. Studies have shown that the addition of bismuth neodecanoate can effectively prevent the deformation and cracking of plastic products in humid environments and extend their service life. Therefore, bismuth neodecanoate has a broad application prospect in plastic additives, especially suitable for scenarios such as pipes, cables, films, etc. that require long-term exposure to humid environments.

3. Catalyst Field

Bissium neodecanoate is a highly efficient catalyst and is widely used in organic synthesis, polymerization and other fields. Studies have shown that bismuth neodecanoate can promote the occurrence of various organic reactions and have high catalytic activity and selectivity. In high temperature and high humidity environments, the thermal stability and anti-hygroscopic properties of bismuth neodecanoate make it outstanding in industrial production. For example, a study published in the Journal of Catalysis, a journal of the American Chemical Society (ACS), shows that bismuth neodecanoate, as an efficient catalyst, can promote the curing reaction of epoxy resins under high temperature environments and increase its crosslink density and mechanical strength.

In addition, bismuth neodecanoate also has good light stability and can maintain the activity and performance of the catalyst under ultraviolet light. Studies have shown that adding an appropriate amount of hindered amine light stabilizer (HALS) can further improve the light stability of bismuth neodecanoate and extend the service life of the catalyst. Therefore, bismuth neodecanoate has broad application prospects in the field of catalysts, especially suitable for outdoor chemical production and photocatalytic reactions, which require long-term exposure to sunlight and rainwater.

Conclusion and Outlook

By conducting a systematic study on the performance of bismuth neodecanoate under different climatic conditions, we can draw the following conclusions:

Influence of temperature on the properties of bismuth neodecanoate: Bismuth neodecanoate has good thermal stability in normal temperature and low temperature environments, but a decomposition reaction will occur in high temperature environments, resulting in its performance decline. Therefore, when using bismuth neodecanoate in high temperature environments, appropriate protective measures should be taken, such as reducing the temperature or adding stabilizers.
Influence of Humidity on the Performance of Bismuth Neodecanoate: Bismuth Neodecanoate has good anti-hygroscopic properties in low humidity environments, but hydrolysis reactions may occur in high humidity environments, resulting in its performance decline. Therefore, when using bismuth neodecanoate in high humidity environments, appropriate moisture-proof measures should be taken, such as sealing the packaging or adding moisture-proofing agents.
Influence of light on the properties of bismuth neodecanoate: Bismuth neodecanoate has good light stability in low-light environments, but a photodegradation reaction may occur in strong light environments, resulting in its Performance degraded. Therefore, when using bismuth neodecanoate in strong light environments, appropriate protective measures should be taken, such as adding purpleExternal absorbents or use light-shielding materials.
Application Field Performance: Bismuth neodecanoate performs well in coatings, plastic additives, catalysts and other fields, especially suitable for harsh environments such as high temperature, high humidity and strong light. In the future, with the continuous development of new materials and new technologies, the application prospects of bismuth neodecanoate will be broader.

Future research direction

Although the performance of bismuth neodecanoate under different climatic conditions has been studied in depth, there are still many issues worth further discussion. Future research can focus on the following aspects:

Development of new stabilizers: Develop new stabilizers to further improve the thermal stability and light stability of bismuth neodecanoate and extend its service life.
Research on composite materials: Study the composite effect of bismuth neodecanoate and other materials, and explore its application potential in more fields, such as electronic devices, sensors, etc.
Development of environmentally friendly alternatives: Develop environmentally friendly bismuth neodecanoate alternatives to reduce their impact on the environment and meet increasingly stringent environmental protection requirements.
Expansion of application fields: Explore the application of bismuth neodecanoate in medicine, cosmetics and other fields, broaden its application scope, and promote its wide application in more fields.

Through continuous in-depth research, we believe that bismuth neodecanoate will show broader prospects in future development and provide strong support for technological innovation in various fields.