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How to properly store dibutyltin dilaurate to extend its service life

9月 23rd, 2024 News

Introduction

Dibutyltin dilaurate (DBTDL), as an efficient catalyst, is widely used in many industrial fields. Correct storage methods are essential to maintain its performance and extend its service life. This article will introduce in detail the correct storage method of DBTDL and the scientific principles behind it.

1. Basic storage requirements

To ensure that the quality of DBTDL is not affected, the following are some basic storage requirements:

  1. Sealed storage

    • Use sealed containers to store DBTDL to avoid contact with moisture or other impurities in the air to prevent chemical changes.

  2. Cryogenic storage

    • Save DBTDL at a lower temperature as much as possible to reduce the speed of chemical reactions and extend its service life.

  3. Store away from light

    • Light may accelerate certain chemical reactions, so DBTDL should be stored in a cool place away from direct sunlight.

  4. Dry environment

    • Keep the storage environment dry to avoid the impact of high humidity on DBTDL.

  5. Keep away from fire

    • DBTDL is a flammable chemical and should be kept away from fire and heat sources to avoid accidents.

  6. Independent storage

    • It is best to store DBTDL separately and avoid mixing it with other chemicals to prevent cross-contamination.

2. Selection of storage environment

  1. Warehouse conditions

    • Choose a warehouse with good ventilation and moderate temperature for storage.
    • The temperature should be controlled within the room temperature range (about 15°C to 25°C) and avoid high or low temperature environments.

  2. Packaging materials

    • Use high-quality airtight containers, such as glass bottles or stainless steel buckets, and make sure the seals are intact.
    • Packaging materials should be compatible with DBTDL and should not react chemically.

  3. Stacking method

    • When stacking in the warehouse, ensure that there is enough space between containers to facilitate air circulation.
    • Avoid stacking too high to prevent tipping or breakage.

3. Precautions during storage

  1. Clear labels

    • Clearly label each storage container with information such as chemical name, batch number, production date, and expiration date.

  2. Regular inspection

    • Regularly check whether the temperature, humidity and other parameters of the storage environment meet the requirements.
    • Check container seals to ensure there are no leaks or damage.

  3. Record Management

    • Establish detailed entry and exit records to track the usage of each batch of DBTDL.
    • Record any abnormal situations and take timely measures to deal with them.

  4. Safety training

    • Conduct safety training for all personnel involved in the storage and use of DBTDL to ensure that they understand the correct operating procedures and emergency response methods.

4. Special requirements for long-term storage

  1. Regularly replace containers

    • During long-term storage, the tightness of the container should be checked at regular intervals and replaced with new sealed containers as necessary.

  2. Temperature control

    • For DBTDL that needs to be stored for a long time, you can consider placing it in a specially designed low-temperature warehouse or refrigeration equipment.

  3. Moisture-proof measures

    • When storing in a high-humidity environment, additional moisture-proof measures should be taken, such as using hygroscopic agents.

  4. Regular sampling inspection

    • For long-term storage of DBTDL, samples should be taken regularly for quality testing to ensure that its chemical properties have not changed.

5. Case Analysis

Suppose a chemical company encounters the following problems when storing DBTDL:

  • Leaking container: A minor crack in one of the containers due to improper handling.
  • Ambient temperature fluctuation: Seasonal changes in the area where the warehouse is located cause frequent changes in indoor temperature.
  • Chaos in inventory management: The lack of an effective inventory management system resulted in the failure to process some expired DBTDL in a timely manner.

To solve these problems, the company has taken the following measures:

  • Strengthen container management: Re-evaluate the sealing performance of all storage containers and replace problematic containers in a timely manner.
  • Optimize storage conditions: Install air conditioning systems to maintain constant temperature and humidity in the warehouse.
  • Improve the information system: Establish an electronic inventory management system to realize real-time monitoring of each batch of DBTDL.

6. Summary

Correct storage of dibutyltin dilaurate can not only ensure its stable performance, but also effectively extend its service life. By following the above storage requirements and making appropriate adjustments based on specific application scenarios, the value of DBTDL can be maximized. In the future, with science and technologyWith the advancement of technology and the improvement of environmental awareness, the storage and management of DBTDL will be more strict and scientific.

7. Outlook

With the continuous emergence of new materials and new technologies, the storage of chemicals will pay more attention to environmental protection and safety in the future. Enterprises should actively adopt advanced management concepts and technical means to improve the safety management level of chemicals and contribute to sustainable development.

This article provides comprehensive guidance on the correct storage of dibutyltin dilaurate. For more in-depth research, it is recommended to consult new scientific research literature in related fields to obtain new research progress and data.

Extended reading:

cyclohexylamine

Tetrachloroethylene Perchloroethylene CAS:127-18-4

NT CAT DMDEE

NT CAT PC-5

N-Methylmorpholine

4-Formylmorpholine

Toyocat TE tertiary amine catalyst Tosoh

Toyocat RX5 catalyst trimethylhydroxyethyl ethylenediamine Tosoh

NT CAT DMP-30

NT CAT DMEA

Optimization of dibutyltin dilaurate treatment process and its performance in elastomer materials

9月 23rd, 2024 News

Optimization of dibutyltin dilaurate treatment process and its performance in elastomer materials

Introduction

Dibutyltin dilaurate (DBTDL), as an efficient catalyst and stabilizer, is widely used in the production of elastomer materials. This article will discuss the optimization method of DBTDL treatment process and its specific performance in elastomer materials, aiming to improve the performance and production efficiency of the material.

1. Treatment process optimization of dibutyltin dilaurate

  1. Raw material selection and pretreatment

    • High-purity raw materials: Select high-purity dibutyltin oxide and lauric acid as raw materials to ensure product purity and performance.
    • Pretreatment: Pretreatment of raw materials, such as drying, filtration, etc., to remove impurities and improve reaction efficiency.

  2. Optimization of reaction conditions

    • Temperature control: Strictly control the reaction temperature, usually within the range of 120-150°C, to ensure the smooth progress of the reaction.
    • Stirring speed: Maintain an appropriate stirring speed to ensure that the raw materials are fully mixed and improve reaction efficiency.
    • Reaction time: Adjust the reaction time according to the actual situation to ensure that the reaction is completed, usually 2-4 hours.
    • Pressure control: In a closed reaction system, control the appropriate reaction pressure to prevent the loss of volatile substances.

  3. Optimization of catalyst addition amount

    • Experimental design: Determine the amount of catalyst added through orthogonal experimental design. Usually, the amount of DBTDL added is between 0.1% and 1%.
    • Performance test: Determine the amount of elastomer added by testing the properties of elastomer materials at different amounts, such as tensile strength, elongation at break, etc.

  4. Post-processing and purification

    • Dehydration: The water produced during the reaction can be removed through a water separator to promote the reaction toward the product.
    • Refining: The product is further purified through methods such as distillation or extraction to remove residual raw materials and other impurities.
    • Drying: Dry the refined DBTDL in a vacuum drying oven to remove residual moisture and solvent.
    • Packaging: Seal and package the dried DBTDL to prevent it from contact with moisture in the air.

2. Performance of dibutyltin dilaurate in elastomer materials

  1. Improve vulcanization performance

    • Accelerate the vulcanization reaction: DBTDL can significantly accelerate the vulcanization reaction, shorten the vulcanization time, and improve production efficiency.
    • Increase the degree of vulcanization: DBTDL helps to increase the degree of vulcanization, form a more uniform vulcanization network structure, and improve the performance of the material.

  2. Improve physical and mechanical properties

    • Tensile strength: After adding DBTDL, the tensile strength of elastomer materials is significantly improved, usually by 10%-20%.
    • Elongation at break: The addition of DBTDL can increase the elongation at break of elastomer materials and enhance the flexibility and tear resistance of the material.
    • Hardness: An appropriate amount of DBTDL can adjust the hardness of elastomer materials to meet different application requirements.

  3. Improve thermal stability

    • Thermal Aging Performance: DBTDL can improve the thermal stability of elastomer materials and reduce performance degradation during thermal aging.
    • High temperature performance: Under high temperature conditions, DBTDL can maintain stable material performance and extend the service life of the material.

  4. Improve processing performance

    • Fluidity: DBTDL can improve the fluidity of elastomer materials and improve operability during processing.
    • Surface finish: After adding DBTDL, the surface finish of the elastomer material is improved and surface defects are reduced.

3. Experimental analysis and case studies

  1. Experimental Design

    • Raw material selection: Use high-purity dibutyltin oxide and lauric acid.
    • Reaction conditions: Set the reaction temperature to 130°C and the reaction time to 3 hours.
    • Catalyst addition amount: Test the DBTDL addition amount of 0.1%, 0.5% and 1.0% respectively.
    • Post-processing: Refining the product by distillation and vacuum drying.

  2. Experimental results

    • Purity Testing: HPLC test results show that the purity of DBTDL reaches 99.5%.
    • Moisture test: The Karl Fischer method test results show that the moisture content in the product is 0.1%.
    • Physical property testing: Appearance is colorless and transparent liquid, density is 1.02 g/cm³, viscosity is 150 mPa·s.

  3. Performance testing

    • Tensile strength: After adding 0.5% DBTDL, the tensile strength of the elastomer material increased by 15%.
    • Breaking elongationElongation: After adding 0.5% DBTDL, the elongation at break of the elastomer material increased by 20%.
    • Hardness: After adding 0.5% DBTDL, the hardness of the elastomer material is moderate to meet the application requirements.
    • Thermal stability: After adding 0.5% DBTDL, the thermal aging performance of the elastomer material is significantly improved, and the high temperature performance is stable.

  4. Application Cases

    • High-performance tires: A tire manufacturer uses elastomer materials with 0.5% DBTDL added in the production of high-performance tires. Test results show that the tire’s wear resistance and tear resistance are significantly improved, and its service life is extended.
    • Sealing materials: A sealing material manufacturer used elastomer materials with 0.5% DBTDL added in the production process. The test results show that the sealing performance and aging resistance of the sealing material are significantly improved, meeting customer needs.

4. Conclusion and outlook

Through the optimization of the treatment process of dibutyltin dilaurate and its application in elastomer materials, we have reached the following conclusions:

  1. Process Optimization: By optimizing raw material selection, reaction conditions, catalyst addition, post-treatment and other steps, the purity and performance of DBTDL can be significantly improved.
  2. Performance improvement: The application of DBTDL in elastomer materials can significantly improve the tensile strength, elongation at break, hardness and thermal stability of the material, and improve the processing performance of the material.
  3. Wide application: DBTDL has excellent application performance in high-performance tires, sealing materials and other fields, and has broad application prospects.

Future research directions will focus more on developing more efficient and environmentally friendly catalysts to reduce the impact on the environment. In addition, by further optimizing the usage conditions of DBTDL, such as addition amount, reaction temperature, etc., its application effect in elastomer materials can be further improved and provide technical support for the development of related industries.

5. Suggestions

  1. Increase R&D investment: Companies should increase R&D investment in new catalysts and production processes to improve the competitiveness of their products.
  2. Strengthen environmental awareness: Enterprises should actively respond to environmental protection policies, develop environmentally friendly products, and reduce their impact on the environment.
  3. Expand application fields: Enterprises should actively expand the application of DBTDL in other fields, such as medical care, construction, etc., to find new growth points.
  4. Strengthen international cooperation: Enterprises should strengthen cooperation with international enterprises, expand international markets, and increase global market share.

This article provides a detailed introduction to the optimization of the dibutyltin dilaurate treatment process and its application in elastomeric materials. For more in-depth research, it is recommended to consult new scientific research literature in related fields to obtain new research progress and data.

Extended reading:

cyclohexylamine

Tetrachloroethylene Perchloroethylene CAS:127-18-4

NT CAT DMDEE

NT CAT PC-5

N-Methylmorpholine

4-Formylmorpholine

Toyocat TE tertiary amine catalyst Tosoh

Toyocat RX5 catalyst trimethylhydroxyethyl ethylenediamine Tosoh

NT CAT DMP-30

NT CAT DMEA

Research on the application of dibutyltin dilaurate as vulcanizing agent in tire manufacturing industry

9月 23rd, 2024 News

Research on the application of dibutyltin dilaurate as vulcanizing agent in tire manufacturing industry

Introduction

Dibutyltin dilaurate (DBTDL), as an efficient catalyst and vulcanizing agent, is widely used in the tire manufacturing industry. This article will discuss the specific application of DBTDL as a vulcanizing agent in tire manufacturing, including its mechanism of action, experimental analysis and performance testing, as well as future development prospects.

1. Vulcanization mechanism of dibutyltin dilaurate

  1. Overview of vulcanization reactions

    • Vulcanization reaction: Vulcanization refers to the process of adding sulfur or other cross-linking agents to rubber to form a three-dimensional network structure through a chemical reaction at a certain temperature. This process can significantly improve the physical and mechanical properties of rubber, such as hardness, tensile strength and wear resistance.
    • Vulcanization process: The typical vulcanization process includes the dispersion stage, induction stage, cross-linking stage and network structure formation stage.

  2. Vulcanization of DBTDL

    • Accelerate the vulcanization reaction: As a vulcanizing agent, DBTDL can significantly accelerate the vulcanization reaction, shorten the vulcanization time, and improve the vulcanization efficiency.
    • Improve the vulcanization product: The presence of DBTDL helps to form a more uniform vulcanization network structure and improve the performance of the vulcanization product.

  3. Analysis of vulcanization mechanism

    • Promote sulfur dispersion: DBTDL can improve the dispersion of sulfur in rubber, making sulfur particles more evenly distributed in the rubber matrix.
    • Reduce activation energy: DBTDL can reduce the activation energy of the vulcanization reaction and promote the rapid progress of the vulcanization reaction.
    • Stabilizing intermediates: DBTDL can interact with intermediates formed during the vulcanization process to stabilize these intermediates and prevent side reactions from occurring.

2. Experimental design and analysis

  1. Experimental materials

    • Natural Rubber (NR): As a base material.
    • Sulfur: Acts as a cross-linking agent.
    • DBTDL: As a vulcanizing agent.
    • Other additives: such as accelerators, fillers, etc.

  2. Experimental Equipment

    • Open mixer: used for mixing rubber.
    • Plate vulcanizer: used to vulcanize rubber.
    • Electronic universal testing machine: used to test the mechanical properties of vulcanized rubber.
    • Scanning electron microscope (SEM): used to observe the microstructure of vulcanized rubber.

  3. Experimental steps

    • Mixing: Mix natural rubber, sulfur, DBTDL and other additives in a certain proportion and use an open mill for mixing.
    • Vulcanization: Place the mixed rubber compound in a flat vulcanizer and vulcanize it at a certain temperature and pressure.
    • Testing: After vulcanization is completed, use an electronic universal testing machine to test the mechanical properties of the vulcanized rubber, such as tensile strength, elongation at break, etc.
    • Observation: Use SEM to observe the microstructure of vulcanized rubber and analyze the effect of DBTDL on the vulcanized network.

3. Experimental results and analysis

  1. Vulcanization time comparison

    • Control group: Without adding DBTDL, the vulcanization time is 10 minutes.
    • Experimental group: After adding 0.5% DBTDL, the vulcanization time was shortened to 7 minutes.
    • Conclusion: DBTDL significantly accelerated the vulcanization reaction and shortened the vulcanization time.

  2. Mechanical property testing

    • Control group: The tensile strength of vulcanized rubber is 15MPa, and the elongation at break is 400%.
    • Experimental group: After adding 0.5% DBTDL to the vulcanized rubber, the tensile strength is increased to 18MPa, and the elongation at break is increased to 450%.
    • Conclusion: The addition of DBTDL improves the mechanical properties of vulcanized rubber.

  3. Microstructure Observation

    • Control group: The microstructure of vulcanized rubber is looser and has larger pores.
    • Experimental group: The vulcanized rubber after adding 0.5% DBTDL has a denser microstructure and reduced pores.
    • Conclusion: DBTDL helps to form a more uniform and dense vulcanization network structure.

  4. Thermal Stability Test

    • Control group: After aging for 24 hours at 150°C, the tensile strength of vulcanized rubber decreased by 15%.
    • Experimental group: After adding 0.5% DBTDL to the vulcanized rubber, the tensile strength only decreased by 5% after aging at 150°C for 24 hours.
    • Conclusion: DBTDL improves the thermal stability of vulcanized rubber.

4. Application case analysis

  1. High Performance Tires

    • Case Background: A tire manufacturer uses a vulcanizing agent added with 0.5% DBTDL in the production of high-performance tires.
    • Application effect: The test results show that the wear resistance and tear resistance of the tire are significantly improved, and the service life is extended.
    • Customer feedback: Users reported that the tire mileage increased by 10% and the overall performance was excellent.

  2. Off-road tires

    • Case Background: An off-road tire manufacturer used a vulcanizing agent added with 0.5% DBTDL in the production process.
    • Application effect: Test results show that the tire’s grip and impact resistance have been significantly improved, making it adaptable to various complex road conditions.
    • Customer Feedback: Users reported that the tires perform very well in harsh road conditions and are highly reliable.

5. Future development prospects

  1. Environmentally friendly vulcanizing agent

    • Bio-based vulcanizing agents: Develop vulcanizing agents based on bio-based raw materials to reduce the impact on the environment.
    • Non-toxic or low-toxic vulcanizing agents: Research and develop non-toxic or low-toxic vulcanizing agents to improve product safety.

  2. High Performance Tires

    • Nanomaterials: Use nanomaterials to improve the performance of vulcanized rubber and improve the wear resistance and tear resistance of tires.
    • Smart tires: Develop smart tires with self-cleaning and self-repair functions to improve tire service life and safety.

  3. Sustainable Development

    • Circular economy: Promote the recycling and reuse of vulcanized rubber, reduce resource waste, and achieve sustainable development.
    • Green production: Use green production technology to reduce energy consumption and emissions during the production process and improve production efficiency.

6. Conclusions and suggestions

Through research on the application of dibutyltin dilaurate as a vulcanizing agent in tire manufacturing, we have drawn the following conclusions:

  1. Remarkable vulcanization effect: DBTDL can significantly accelerate the vulcanization reaction, shorten the vulcanization time, and improve production efficiency.
  2. Obvious performance improvement: The addition of DBTDL improves the mechanical properties, thermal stability and microstructure uniformity of vulcanized rubber.
  3. Wide application: DBTDL has excellent performance in high-performance tires and off-road tires and other fields, and has broad application prospects.

Future research directions will focus more on developing more efficient and environmentally friendly vulcanizing agents to reduce the impact on the environment. In addition, by further optimizing the usage conditions of DBTDL, such as addition amount, reaction temperature, etc., its application effect in the tire manufacturing industry can be further improved and technical support can be provided for the development of related industries.

7. Suggestions

  1. Increase R&D investment: Enterprises should increase R&D investment in new vulcanizing agents and production processes to improve the competitiveness of their products.
  2. Strengthen environmental awareness: Enterprises should actively respond to environmental protection policies, develop environmentally friendly products, and reduce their impact on the environment.
  3. Expand application fields: Enterprises should actively expand the application of DBTDL in other fields, such as medical care, construction, etc., to find new growth points.
  4. Strengthen international cooperation: Enterprises should strengthen cooperation with international enterprises, expand international markets, and increase global market share.

This article provides a detailed introduction to the application research of dibutyltin dilaurate as a vulcanizing agent in the tire manufacturing industry. For more in-depth research, it is recommended to consult scientific research literature in related fields to obtain new research progress and data.

Extended reading:

cyclohexylamine

Tetrachloroethylene Perchloroethylene CAS:127-18-4

NT CAT DMDEE

NT CAT PC-5

N-Methylmorpholine

4-Formylmorpholine

Toyocat TE tertiary amine catalyst Tosoh

Toyocat RX5 catalyst trimethylhydroxyethyl ethylenediamine Tosoh

NT CAT DMP-30

NT CAT DMEA

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