Styrene-N-Phenylmaleimide-Maleic anhydride copolymer (SMA)  manufactured by Yangcen Tech is a versatile material used as a heat-resistant modifier to enhance the performance of various plastics. Here are some of its key applications:       Basic Physical Properties    N-phenylmaleimide terpolymer (NSM 1 #) Test Item Test Standard Test Data Molecular weight and distribution GPC Mw=60-110K，Pd=2.3-2.9 Glass transition temperature/℃ DSC 197.3-198.2℃ Initial decomposition temperature/℃ TGA 395-405℃ Density ASTM-D792 1.18-1.30g/cm3 Apparent —— white or light yellow powders     NSM Heat Resistant Agent Modification Data       Component composites Vicat softening temperature/℃ (Yangchen Tech's Products ) Vicat softening temperature/℃ ( JAPAN Products) NSM/ABS=0:100 103.7 103.7 NSM/ABS =10:90 111.3 111.5 NSM/ABS =20:80 118.5 116.9 NSM/ABS =30:70 126.2 125.3   1. Improvement of Thermal Stability: Enhanced Heat Resistance: SMA copolymers significantly improve the heat resistance of plastics like ABS (Acrylonitrile Butadiene Styrene) and polystyrene. This makes the modified plastics suitable for applications requiring higher operating temperatures without deforming or losing mechanical properties. Reduced Thermal Degradation: The copolymer structure, especially the phenylmaleimide component, enhances the material's resistance to thermal oxidation, reducing degradation under high temperatures.   2. Mechanical Property Enhancement: Increased Rigidity: SMA copolymers improve the stiffness and rigidity of plastic materials, making them suitable for applications where dimensional stability is crucial under heat. Enhanced Surface Hardness: The addition of SMA copolymer can lead to better surface hardness, making the plastic more resistant to scratches and wear, which is important for applications like automotive parts and electronic housings.   3. Improved Processability: Better Flow Properties: The copolymer can improve the melt flow characteristics of plastics, which is beneficial during the injection molding process. This leads to better mold filling, reduced cycle times, and improved surface finish of the final product. Compatibility with Other Polymers: SMA copolymers are compatible with a wide range of other polymers, allowing for the modification of various plastic blends without negatively affecting their processability.   4. Flame Retardancy: Improved Flame Resistance: The copolymer enhances the flame retardancy of plastics, making them more suitable for use in electrical and electronic applications, automotive interiors, and other environments where fire safety is a concern.   5. Chemical Resistance: Enhanced Resistance to Chemicals: Plastics modified with SMA copolymer exhibit better resistance to chemicals such as acids, alkalis, and solvents. This makes them more suitable for use in harsh chemical environments or in applications like chemical storage containers.   6. Applications in Automotive Industry: Under-the-Hood Components: SMA-modified plastics are used in automotive parts that are exposed to high temperatures, such as under-the-hood components, where they provide the necessary thermal stability and mechanical strength. Interior and Exterior Parts: The copolymer's ability to improve surface hardness and thermal stability makes it ideal for automotive interior and exterior applications, such as dashboards, panels, and trims.   7. Applications in Electronics: Electronic Housings: The enhanced heat resistance and mechanical properties of SMA-modified plastics make them suitable for use in electronic housings, where they protect sensitive components from heat and mechanical stress. Connectors and Sockets: The improved thermal stability and rigidity are beneficial in the production of connectors, sockets, and other electronic components that must maintain their performance under elevated temperatures.   Styrene-N-Phenylmaleimide-Maleic anhydride copolymer manufactured by Yangchen Tech is an effective heat-resistant modifier that enhances the performance of plastics in demanding applications across various industries. Welcome Inquiry!

——Manufactured by Yangchen Tech Factory 1. What is the chemical composition of the copolymer? The product is a styrene-N-phenylmaleimide-maleic anhydride copolymer, which combines: Styrene for improved impact strength and processability. N-phenylmaleimide (N-PMI) for enhanced heat resistance. Maleic anhydride (MAH) for excellent adhesion and chemical reactivity.     2. What are the key properties of this copolymer? Heat Resistance: Superior thermal stability due to N-phenylmaleimide. Good Solubility: Facilitates easy blending with resins. Excellent Adhesion: Functional groups improve compatibility with substrates like ABS and PVC. Versatile Modifier: Ideal for heat-resistant applications in engineering plastics and adhesives.     Test Item Test Standards Test Data Molecular weight and distribution GPC Mw=12~16*104.PDI=2.0~3.0 Glass transition temperature/℃ DSC 160~210℃(Adjustable) Initial decomposition temperature/℃ TGA 395-405℃ Density  ASTM-D792 1.00~1.15g/cm3 Appearance NG Off-white powder   3. What are the common applications? ABS Heat-Resistant Modifier: Enhances thermal stability and mechanical strength in ABS resins. PVC Modifications: Improves rigidity and thermal properties in PVC materials. Adhesives: Provides better bonding strength and heat resistance. Engineering Plastics: Acts as a key performance enhancer for polycarbonate, acrylic, and other advanced materials. 4. What industries use this product? Automotive manufacturing. Electronics and electrical applications. High-performance adhesives. Construction materials. Packaging solutions. 5. What are the available product specifications? Appearance: White or light yellow powder/granules. Packaging: Customizable packaging (standard: 25 kg bags). CAS Number: Provided upon request. 6. How does it enhance ABS resin properties? Improves heat distortion temperature (HDT). Boosts mechanical strength and dimensional stability. Enhances weatherability and chemical resistance. 7. Is the product customizable? Yes, Yangchen Tech specializes in providing customized solutions to meet client-specific requirements, including tailored formulations for unique applications. 8. What are the storage and handling recommendations? Store in a cool, dry, and ventilated environment. Avoid exposure to moisture and direct sunlight. Use protective gear during handling to prevent inhalation of dust. 9. Does Yangchen Tech provide technical support? Yes, we offer comprehensive technical consultation to assist in optimizing product usage for your applications. 10. How can I place an order or request samples? You can: Visit our official website for inquiries and order placement. Contact our sales team directly for product details, pricing, and samples. For additional information, please feel free to contact Yangchen Tech Factory. Let us assist you in finding the perfect solution for your material needs!