PVA (Polyvinyl alcohol) is a versatile polymer known for its excellent water solubility. The dissolution of PVA is a crucial step in various applications, such as film production, adhesives, and textile processing. When immersed in water, PVA undergoes the hydration process, forming a gel-like structure. As water molecules penetrate the PVA polymer chains, hydrogen bonding occurs, leading to the separation of polymer chains and subsequent dissolution.
Temperature plays a significant role in the PVA dissolution process. Higher temperatures generally accelerate the dissolution rate due to increased molecular motion and higher kinetic energy. However, excessively high temperatures can lead to the degradation of PVA, affecting its performance. It is recommended to maintain the temperature within a suitable range for optimal dissolution without compromising the integrity of the polymer. Elephchem can provide polyvinyl alcohol in different mesh sizes.
The particle size of PVA particles also influences the dissolution rate. Finer particles have a larger surface area, allowing for faster water penetration and molecular interaction. In comparison, larger particles have a smaller surface area, resulting in slower dissolution rates. For instance, PVA with 12-mesh, 25-mesh, and 80-mesh particle sizes will exhibit varying dissolution rates, with finer particles dissolving more rapidly.
Stirring plays a crucial role in enhancing the PVA dissolution process. When the water and PVA mixture is stirred, it increases the surface contact area between the polymer and the solvent, facilitating faster dissolution. Agitation also helps in preventing the formation of lumps or clumps, ensuring uniform dissolution throughout the solution. Proper stirring techniques and equipment can significantly improve the dissolution efficiency.
Apart from temperature, particle size, and stirring, several other factors can affect the PVA dissolution process. These factors include the concentration of PVA in the solution, pH levels, presence of impurities, and the compatibility of additives. It is important to consider these variables and optimize the dissolution conditions accordingly for specific applications. Please refers to "PVA dissolution methods"
The dissolution process of PVA is influenced by multiple factors, including temperature, particle size, stirring, and various environmental parameters. Understanding these factors is crucial when working with PVA to achieve desirable dissolution rates and ensure optimal performance in different applications. As an environmentally friendly and water-soluble polymer, PVA offers a wide range of application opportunities, from packaging films to adhesives, textiles, and more. Its versatility and potential for sustainable solutions make it a promising material for various industries worldwide.
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ElephChem Holding Limited, professional market expert in Polyvinyl Alcohol(PVA) and Vinyl Acetate–ethylene Copolymer Emulsion(VAE) with strong recognition and excellent plant facilities of international standards.
Vinyl Acetate Ethylene copolymer emulsion, also known as VAE emulsion Another area where VAE emulsion is gaining prominence is in the architectural field. As a binder, VAE emulsion(like CW40-707 The versatility of VAE emulsion extends beyond textiles and coatings. It finds applications in other sectors, including adhesive production. Many adhesives on the market use VAE emulsion as a key ingredient due to its outstanding adhesive properties, flexibility, and high bonding strength. Whether it's woodworking, paperboard lamination, or packaging, VAE emulsion delivers reliable adhesion, ensuring the integrity of bonded surfaces, such as CW40-705 The increasing popularity of VAE emulsion can be attributed to its unique characteristics that set it apart from traditional materials. VAE emulsion is a water-based dispersion made of vinyl acetate and ethylene monomers. This copolymerization process results in a high-quality emulsion that offers excellent stability, exceptional adhesive properties, and enhanced performance in various applications. Moreover, VAE emulsion is recognized for its eco-friendly nature. As a water-based synthetic polymer, it is relatively safer and more sustainable compared to solvent-based alternatives. Its low volatile organic compound (VOC) content makes it environmentally friendly and compliant with stringent regulations. When it comes to choosing VAE emulsion, it is essential to partner with a reliable supplier like us who can provide high-quality Vinyl Acetate Ethylene copolymer emulsion tailored to your specific needs. Contact us today to explore how VAE emulsion can transform your industry and elevate your products to new heights performance.
1. What is N-Phenylmaleimide?
N-Phenylmaleimide (NPMI) is a high-performance monomer commonly used in the production of heat-resistant modifiers for plastics, resins, and composites. It is known for its ability to enhance the thermal stability, mechanical properties, and processing characteristics of materials like ABS, PVC, and polyimides.
2. What are the primary applications of N-Phenylmaleimide?
- Heat-Resistant Modifiers: NPMI is widely used as a copolymerization monomer to improve the heat resistance of engineering plastics such as ABS, PVC, and PMMA.
- Polymer Blends and Composites: It is used in the production of polymer blends to enhance compatibility, improve thermal stability, and increase mechanical strength.
- Adhesives and Coatings: NPMI-modified resins are used in high-performance adhesives and coatings for applications requiring excellent adhesion and resistance to heat and chemicals.
- Electrical and Electronics: Due to its high heat resistance, NPMI is ideal for use in components like connectors, casings, and insulators in the electronics and automotive industries.
Specification
|
ITEM |
Limits |
Results |
|
Appearance |
Yellow powder |
Yellow powder |
|
Purity% |
≥98 |
99.7 |
|
Melting Point℃ |
≥85 |
89 |
|
Ash% |
≤0.3 |
0.01 |
|
Water% |
≤0.5 |
0.05 |
|
Acidity mgkoH/g |
≤3 |
0.38 |
3. What benefits does N-Phenylmaleimide offer in polymer applications?
- Increased Heat Resistance: It significantly raises the heat distortion temperature (HDT) of resins, making them more suitable for high-temperature environments.
- Improved Mechanical Properties: NPMI enhances the tensile strength, hardness, and dimensional stability of materials, improving their overall durability.
- Enhanced Processing Characteristics: It improves the flow properties during processing, making it easier to mold and extrude materials without thermal degradation.
- Chemical Resistance: It enhances the chemical resistance of resins, making them more durable in aggressive environments.
4. What is the purity level of N-Phenylmaleimide manufactured by Yangchen Tech?
Yangchen Tech's N-Phenylmaleimide has a purity level of 99.7%, ensuring high performance and consistency in every batch. Our high-purity NPMI provides reliable results in a wide range of applications.
5. What industries benefit from using N-Phenylmaleimide?
- Automotive: For the production of high-performance components such as dashboards, under-the-hood parts, and connectors.
- Electronics: In the manufacturing of connectors, insulators, and casings that must withstand high temperatures.
- Construction: For applications that require durable and heat-resistant materials, including pipes, fittings, and panels.
- Aerospace: In components where extreme thermal stability is essential for safety and performance.
6. What makes Yangchen Tech’s N-Phenylmaleimide a superior choice?
- High Purity and Quality Control: Our NPMI is manufactured under strict quality control procedures to ensure consistent performance and high purity.
- Competitive Pricing: Despite offering top-tier quality, Yangchen Tech offers N-Phenylmaleimide at competitive prices, ensuring value for money.
- Customized Solutions: We offer customized formulations of N-Phenylmaleimide to meet specific customer requirements, ensuring optimal performance in your applications.
- Reliable Supplier: With years of experience and a strong reputation, Yangchen Tech is a trusted supplier of N-Phenylmaleimide, with a proven track record of delivering high-quality products worldwide.
7. Can I request a free sample of N-Phenylmaleimide from Yangchen Tech?
Yes, we provide free samples for testing and evaluation. To request a sample, please contact our sales team, and we will arrange for the appropriate quantity to be sent to you.
8. How should N-Phenylmaleimide be stored?
N-Phenylmaleimide should be stored in a cool, dry place away from direct sunlight and heat sources. It should be kept in tightly sealed containers to avoid moisture absorption and contamination.
9. How can I place an order for N-Phenylmaleimide from Yangchen Tech?
You can place an order by contacting our sales team through our website, email, or phone. We will assist you with pricing, quantity, and delivery options, ensuring a seamless ordering process.
1. What is Polyimide Resin?
Polyimide resin manufactured by Yangchen Tech is an advanced composite matrix resin known for its outstanding high-temperature resistance, excellent mechanical strength, and chemical stability. It is widely used in high-performance applications and can serve as a replacement for Kerimid 601 polyimide resin.
Technical Indicator
| Appearance | Melting point | Partical Size | Flowability | Gel time |
| Yellow powder | 80-110℃ | 200-1000 mesh | 8-20mm | 100-600 S |
2. What are the Applications of Polyimide Resin?
Polyimide resin is a versatile material with the following primary applications:
- Bonding Agent for Grinding Wheels and Friction Materials: Used in diamond and cubic boron nitride (CBN) grinding wheels to enhance durability and heat resistance.
- Matrix Resin for High-Temperature Molded Parts: Ideal for components exposed to extreme temperatures, ensuring structural integrity and performance.
- Self-Lubricating Mechanical Parts: Suitable for manufacturing high- or low-temperature-resistant solid self-lubricating components used in industrial machinery.
3. How Does Polyimide Resin Compare to Kerimid 601?
Yangchen Tech’s polyimide resin offers similar or superior performance to Kerimid 601, with improved adaptability in high-temperature environments, making it an excellent alternative.
4. Why is Polyimide Resin Widely Used in Advanced Composites?
Polyimide resin is favored for its:
- High Heat Resistance: Maintains stability under extreme thermal conditions.
- Excellent Chemical Resistance: Withstands exposure to harsh chemicals.
- Mechanical Strength: Provides reliable structural performance for demanding applications.
5. Why Choose Yangchen Tech as Your Polyimide Resin Supplier?
- High-Performance Products: Our polyimide resin is developed to meet the most demanding industrial requirements.
- Competitive Pricing: Cost-effective solutions without compromising quality.
- Customized Solutions: We offer tailored formulations to meet specific customer needs.
- Proven Expertise: With years of experience in manufacturing advanced materials, Yangchen Tech delivers consistent quality and exceptional service.
6. What Industries Use Polyimide Resin?
Industries that rely on polyimide resin include:
- Aerospace and aviation.
- Automotive manufacturing.
- Electronics and semiconductors.
- Industrial machinery and tools.
7. What Makes Yangchen Tech’s Polyimide Resin Stand Out?
- Superior thermal performance for high-temperature applications.
- Exceptional bonding strength for grinding wheels and friction materials.
- Compatibility with a wide range of materials and processes.
- Rigorous quality control ensures consistent and reliable results.
8. How Can I Order Polyimide Resin from Yangchen Tech?
You can place an inquiry through our website or contact our sales team directly. We offer:
- Free Samples to help you evaluate product suitability.
- Fast Delivery to ensure your production schedule stays on track.
- Expert Support for technical and application guidance.
Contact Yangchen Tech Today
For high-performance polyimide resin that meets your requirements, Yangchen Tech is trustworthy. With superior quality, competitive price, we are ready to support your advanced material needs.
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N-Phenylmaleimide (N-PMI) is a powerful monomer that plays a significant role in improving the heat resistance, durability, and overall performance of plastics and composites. It is widely used in industries where materials are subjected to high temperatures, mechanical stress, and harsh environmental conditions. In this blog, we will explore how N-phenylmaleimide enhances heat resistance and durability in plastics and composites, making them suitable for critical applications in automotive, electronics, and industrial sectors.
What is N-Phenylmaleimide (N-PMI)?
N-Phenylmaleimide manufactured by Yangchen Tech is a high-performance monomer with a maleimide functional group and a phenyl group that makes it highly reactive. This chemical structure allows it to copolymerize with other monomers such as styrene, acrylonitrile, and methyl methacrylate to produce heat-resistant polymers with enhanced thermal stability and mechanical properties.
Specification
| Appearance | Melting point | Purity | Solubility |
| Yellow crystalline powder or flakes | 85-90℃ | ＞99% | Soluble in organic solvents |
Key Benefits of N-Phenylmaleimide in Plastics and Composites
Improved Heat Resistance
One of the most important benefits of N-phenylmaleimide is its ability to increase the heat resistance of plastics and resins. When incorporated into polymers such as ABS (Acrylonitrile Butadiene Styrene), PVC (Polyvinyl Chloride), and PMMA (Polymethyl Methacrylate), N-phenylmaleimide significantly raises the heat distortion temperature (HDT) of the material. This means the material can endure higher temperatures before it begins to deform, making it ideal for applications where the product is exposed to extreme heat.
Example: By adding only 1% N-phenylmaleimide as a copolymerization monomer in ABS, the heat distortion temperature can be improved by up to 2°C. When 15% N-phenylmaleimide is used, the heat resistance of ABS can reach 125–135°C, which is significantly higher than untreated ABS.
Enhanced Durability and Mechanical Strength
N-Phenylmaleimide improves the mechanical properties of plastics and composites by enhancing their tensile strength, hardness, and impact resistance. This results in materials that are not only heat-resistant but also more durable and able to withstand the mechanical stresses they face in demanding environments.
Durability in High-Temperature Environments: For applications in industries such as automotive and aerospace, where components experience both high heat and mechanical wear, N-phenylmaleimide-modified polymers provide superior long-term durability.
Increased Hardness: The incorporation of N-phenylmaleimide increases the hardness of the resin, making it resistant to scratches, wear, and other forms of mechanical damage.
Improved Chemical Stability
N-Phenylmaleimide also provides enhanced chemical resistance in modified resins. This makes it particularly useful in applications where materials are exposed to aggressive chemicals, solvents, and oils. The chemical stability provided by N-phenylmaleimide ensures that the polymer retains its properties even in harsh industrial conditions.
Applications of N-Phenylmaleimide in Plastics and Composites
Automotive Industry
In the automotive sector, N-phenylmaleimide-modified polymers are used for under-the-hood components, interior panels, and other automotive parts exposed to heat and mechanical stresses. The improved heat resistance and durability make these materials ideal for critical applications like engine covers, electrical connectors, and dashboards.
Electronics and Electrical Components
N-Phenylmaleimide is commonly used in printed circuit boards (PCBs), connectors, and electrical insulators. As electronics are often exposed to heat generated during operation, N-phenylmaleimide enhances the thermal stability of the materials, ensuring that electronic components continue to perform reliably over time.
Aerospace and Industrial Applications
N-Phenylmaleimide-modified composites are used in high-performance aerospace applications, where materials need to perform well in both high-temperature and high-stress conditions. This includes structural components, heat shields, and composite parts used in aircraft and spacecraft.
Consumer Electronics
Devices such as smartphones, tablets, and laptops, which generate heat during use, can benefit from plastics and composites modified with N-phenylmaleimide. It improves the thermal conductivity and long-term reliability of the materials, ensuring that electronic devices stay durable even under prolonged heat exposure.
How N-Phenylmaleimide Works in Polymer Modification
When N-phenylmaleimide is introduced into a polymer matrix, it undergoes copolymerization with other monomers such as styrene, acrylonitrile, or methyl methacrylate. This process results in a crosslinked polymer network that enhances the heat resistance and mechanical properties of the final product. The maleimide functional group forms strong bonds with the polymer backbone, improving the material's overall thermal stability, chemical resistance, and durability.
Why Choose Yangchen Tech for N-Phenylmaleimide?
At Yangchen Tech, we are committed to providing high-quality N-phenylmaleimide that meets the most demanding industry standards. Our N-phenylmaleimide is manufactured with 99.5% purity, ensuring consistent performance and reliability in various applications. We are also a trusted supplier for polymer modification solutions, offering cost-effective and customized solutions for industries that require high heat resistance and durability.
Our R&D expertise and industry knowledge allow us to provide tailored solutions that optimize the performance of your polymers and composites. Whether you need N-phenylmaleimide for automotive, electronics, or industrial applications, Yangchen Tech is your partner for high-performance materials.
N-Phenylmaleimide is a versatile and highly effective monomer for enhancing the heat resistance, mechanical strength, and chemical stability of plastics and composites. By incorporating N-phenylmaleimide into polymers, manufacturers can produce materials that perform reliably in extreme temperatures and harsh environments. Whether for automotive, aerospace, or electronics, N-phenylmaleimide is a key ingredient in producing high-performance materials that meet the toughest demands.
Contact Yangchen Tech today to learn more about how N-phenylmaleimide can improve your polymer formulations and help you achieve superior heat-resistant and durable materials for your applications.
Regarding to enhancing the performance of ABS (Acrylonitrile Butadiene Styrene) resin, N-Phenylmaleimide (N-PMI) has emerged as a key ingredient for improving heat resistance and durability. At the forefront of producing this high-quality monomer is Yangchen Tech, a trusted manufacturer specializing in fine chemical materials. With a purity level reaching 99.7% and excellent solubility, Yangchen Tech’s N-Phenylmaleimide stands out as a reliable solution for ABS heat-resistant modification.
What is N-Phenylmaleimide?
N-Phenylmaleimide (N-PMI) is a versatile monomer known for its ability to enhance the thermal properties of various polymers, especially ABS resin. Its unique molecular structure contributes to superior heat stability, making it an essential additive for high-performance materials used in demanding applications.
Yangchen Tech ensures that the N-PMI we manufacture maintains a high level of purity (99.7%), guaranteeing optimal performance in industrial applications. Moreover, our N-PMI offers excellent solubility, making it easy to incorporate into polymer systems during production processes.
Why Use N-Phenylmaleimide for ABS Heat-Resistant Modifiers?
When added to ABS, N-Phenylmaleimide plays a critical role in improving the resin's ability to withstand high temperatures, mechanical stress, and long-term durability. Here’s how it works:
- Heat Resistance: N-PMI enhances the glass transition temperature (Tg) of ABS, significantly improving its heat distortion temperature.
- Adding 1% N-PMI as a copolymerization monomer increases ABS’s heat distortion temperature by approximately 2°C.
- When the N-PMI content reaches 15%, the heat-resistant temperature of ABS can rise to 125–135°C, making it suitable for applications that require exceptional thermal stability.
- Mechanical Strength: N-PMI improves the tensile strength, hardness, and overall toughness of ABS, making it suitable for industrial and engineering applications.
- Processing Properties: With excellent solubility and compatibility, N-PMI ensures smoother production and enhances the processability of ABS resin formulations.
Specification
| Appearance | Melting point | Purity | Solubility |
| Yellow crystalline powder or flakes | 85-90℃ | ＞99% | Soluble in organic solvents |
Basic Information
| Chemical Structure |  |
| Chemical Formula | C10H7NO2 |
| CAS No. | 941-69-5 |
| Molecular Weight | 173.16 |
| Packing Type | Paper bag (20 kg) |
| Properties | Yellow crystalline powder or needles |
Applications of ABS Modified with N-Phenylmaleimide
ABS modified with N-PMI has widespread applications across various industries due to its enhanced thermal and mechanical properties. Common applications include:
- Automotive Parts: Heat-resistant ABS is ideal for under-the-hood components and interior parts exposed to high temperatures.
- Electronics: ABS modified with N-PMI is used in housings and structural components for electronic devices requiring thermal stability.
- Appliances: Kitchen appliances and tools exposed to heat benefit from ABS with improved durability.
- Industrial Equipment: High-performance ABS is used for durable, heat-stable parts in manufacturing equipment and machinery.
Why Choose Yangchen Tech as Your Supplier?
Yangchen Tech has established itself as a leading manufacturer of N-Phenylmaleimide with a reputation for quality, reliability, and innovation. Here’s why we are the best choice for your N-PMI needs:
-
High Purity:
Our N-Phenylmaleimide boasts a purity of 99.7%, ensuring unmatched performance and consistency in every application. -
Excellent Solubility:
The superior solubility of our N-PMI ensures seamless incorporation into ABS and other polymer systems, saving you time and resources during production. -
Advanced R&D Competence:
At Yangchen Tech, we pride ourselves on our advanced research and development capabilities. We continuously improve our products to meet the evolving demands of global industries. -
Cost-Effective Solutions:
While maintaining premium quality, we offer competitive pricing compared to other suppliers, providing significant value for our clients. -
Customized Support:
Yangchen Tech offers tailored solutions based on your specific requirements, whether you need bulk orders or customized formulations for your polymer systems.
Comparing Yangchen Tech to Other Manufacturers
- Purity and Quality: With 99.7% purity, our N-PMI outperforms many competitors, ensuring superior heat resistance and durability for ABS modifiers.
- Global Reach: We cater to international markets, providing export-grade N-PMI with exceptional quality and consistency.
- Customer-Centric Approach: Unlike many suppliers, Yangchen Tech provides free samples for testing and offers customization services to meet the unique needs of your production processes.
When it comes to N-Phenylmaleimide for ABS heat-resistant modifiers, Yangchen Tech delivers an ensured quality, expertise, and customer service. Our high-purity N-PMI not only enhances the thermal stability and mechanical properties of ABS but also ensures seamless integration into your production systems.
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In the realm of advanced materials, SMA Copolymer Powder SMA copolymer powder (Styrene Maleic Anhydride copolymer powder) ,also called ABS heat resistant modifier agent Physical Properties 