Styrene Maleic Anhydride Copolymer (SMA) is a high-performance copolymer made of styrene and maleic anhydride. Due to its excellent thermal stability and compatibility, it is widely used in the field of plastic modification, especially in ABS resin. As an efficient modifier, SMA can significantly improve the heat resistance, mechanical properties and processing performance of ABS, providing a reliable solution for a variety of industrial fields.   Main applications of SMA in ABS resin 1.Improve heat resistance ABS resin is widely used in home appliances, automobiles and electronics, but its poor heat resistance limits its use in high temperature environments. By adding SMA to ABS, its heat deformation temperature (HDT) can be significantly increased. Experimental data: After adding 10% SMA, the heat deformation temperature of ABS can be increased by 5–10°C. Advantages: Modified ABS can be used in high-temperature environments such as automotive interior parts and electronic product housings. 2.Improve mechanical properties The addition of SMA can not only increase the hardness and tensile strength of ABS, but also improve its impact performance. Application scenarios: In the field of engineering plastics requiring high strength, such as tool housings, medical equipment components, etc. 3.Improve processing performance The high compatibility of SMA in ABS resin enables it to improve fluidity in the molten state, thereby enhancing the efficiency of injection molding and the surface finish of the product. Advantages: Reduce molding defects, improve product appearance quality, and meet the needs of high-end appearance parts. 4.Improved chemical resistance The polar groups of SMA can improve the resistance of ABS to chemical reagents, making it more suitable for use in harsh environments. Typical applications: Chemical equipment housings and corrosion-resistant containers.   Basic Infomation     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   Why choose Yangchen Tech's SMA products? 1.High Purity and Excellent Quality The purity of SMA provided by Yangchen Tech can reach 99%, ensuring its excellent modification effect in ABS. The product has stable performance and is suitable for various industrial needs. 2.Customized Service Provide SMA products tailored to customer needs to ensure that the technical requirements of different application scenarios are met. 3.Cost-effectiveness Yangchen Tech adopts efficient production processes and provides competitive prices to reduce production costs for customers. 4.Technical Support Provide a full range of technical guidance and after-sales service to ensure that customers can maximize the application value of SMA. 5.Global Supply Chain Capabilities With a complete logistics system, we can quickly respond to customer needs and deliver products in a timely manner.   Warehouse of Yangchen Tech         The application of Styrene Maleic Anhydride Copolymer in ABS resin provides an important way to improve the performance of materials. As a professional SMA manufacturer, Yangchen Tech has become the preferred partner of many customers with its high-quality products, customized services and technical support.   If you are looking for a reliable SMA supplier, please contact Yangchen Tech now, we will serve you wholeheartedly!  

Introduction Styrene Maleic Anhydride Copolymer (SMA) is a high-performance copolymer formed by the polymerization of styrene and maleic anhydride. With its unique combination of properties, SMA is widely used in the modification and enhancement of various plastics, improving their performance in critical applications. Whether you're in automotive, electronics, packaging, or construction, SMA plays an essential role in delivering durable, heat-resistant, and high-strength plastic materials. At Yangchen Tech, we specialize in manufacturing high-quality Styrene Maleic Anhydride Copolymer that meets the specific needs of various industries. Let’s dive into the advantages and applications of SMA in plastics.     What Makes Styrene Maleic Anhydride Copolymer Special? SMA is well-known for its exceptional characteristics, which make it an ideal additive for modifying plastics, especially engineering resins. The key benefits of using SMA in plastics include: Improved Heat Resistance: SMA increases the heat distortion temperature (HDT) of plastics, allowing them to withstand higher operational temperatures without degrading. This is particularly important in industries like automotive and electronics, where materials need to perform under intense heat. Enhanced Adhesion: SMA has excellent adhesion properties, which makes it ideal for coatings and adhesives, enhancing bonding strength and durability. Increased Mechanical Properties: The incorporation of SMA can improve the tensile strength, impact resistance, and hardness of plastics. These enhancements make the materials more suitable for high-performance applications. Chemical Resistance: SMA improves the chemical resistance of plastics, making them more resistant to degradation from exposure to chemicals and solvents. Compatibility with Other Polymers: SMA is highly compatible with a variety of polymers, including ABS, PVC, polyolefins, and polyamides. It helps improve the overall properties of polymer blends, resulting in materials that are more durable and reliable. Basic Information   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     Applications of Styrene Maleic Anhydride Copolymer in Plastics Automotive Industry: In the automotive sector, SMA is used to enhance the properties of plastic components that are exposed to high temperatures, such as interior parts, under-the-hood components, and exterior trim. Its heat resistance, mechanical strength, and compatibility with other materials make it an ideal modifier for automotive applications. Electronics and Electrical Applications: SMA is widely used in the manufacturing of high-performance plastic housings, connectors, and insulators for electronic and electrical devices. It increases the material's ability to endure high temperatures and resist electrical stresses, which are common in electrical components. Packaging: SMA is used to improve the properties of packaging materials. Its increased chemical resistance ensures that the packaging remains intact even when exposed to harsh chemicals, oils, or moisture. Additionally, its enhanced tensile strength and impact resistance make it ideal for protective packaging. Construction Industry: In the construction industry, SMA-modified plastics are used in various applications like pipes, roofing materials, and insulation. The copolymer's ability to withstand weathering and high temperatures ensures that these materials maintain their strength and longevity over time. Coatings and Adhesives: SMA is frequently used as a modifier for coatings and adhesives due to its excellent adhesion properties. It enhances the bond strength, making it ideal for applications such as automotive paints, adhesives in packaging, and surface coatings on electronics. Consumer Goods: SMA is used to improve the performance of plastics in consumer goods such as kitchenware, toys, and household appliances. Its ability to improve the durability and heat resistance of plastics makes it an ideal choice for products that need to withstand everyday use and high temperatures. Why Choose Yangchen Tech for Styrene Maleic Anhydride Copolymer? High Purity and Consistency: Our SMA copolymers are manufactured to the highest standards of purity, ensuring that our products deliver consistent performance in all applications. Custom Solutions: At Yangchen Tech, we understand that each industry has unique requirements. That’s why we offer customized SMA formulations to meet your specific performance and processing needs. Cost-Effective: We are committed to providing high-quality SMA at competitive prices, helping our customers optimize their production costs while maintaining exceptional product quality. Experienced R&D Team: Our in-house research and development team continuously innovates to improve the performance of SMA and develop new applications across various industries. Reliable Global Supply Chain: With our well-established global distribution network, we ensure timely delivery of SMA to customers around the world.   Styrene Maleic Anhydride Copolymer manufactured by Yangchen Tech offer superior heat resistance, mechanical strength, and compatibility with a range of materials. At Yangchen Tech, we are proud to manufacture high-quality SMA products that enhance the performance of plastics in automotive, electronics, packaging, and many other industries. If you're looking for a reliable supplier of Styrene Maleic Anhydride Copolymer, look no further than Yangchen Tech. Contact us today to learn more about our SMA solutions and how we can help improve the performance of your products!

N-Phenylmaleimide (N-PMI) manufactured by Yangchen Tech is a high-performance specialty monomer widely used in polymer modification, particularly in heat-resistant plastic formulations. With its unique structure and superior thermal properties, N-PMI is becoming a crucial additive in various industries such as automotive, electronics, and advanced materials.     Basic Information   Property Description Chemical Name N-Phenylmaleimide Synonyms NPMI, Monomaleimide CAS Number 941-69-5 Purity ≥99% Appearance Pale yellow crystalline powder Manufacturer Shaanxi Yangchen New Material Technology Co., Ltd   Key Properties of N-Phenylmaleimide   Property Description                                                          Thermal Stability  Decomposition temp. >300°C Glass Transition Temp. (Tg) Significantly increases Tg of ABS and other resins Compatibility Compatible with styrenics (e.g. ABS, SAN), epoxy resins, and engineering plastics Solubility Dissolves in acetone, DMF, THF, etc.     Applications of N-Phenylmaleimide   1. Heat-Resistant Modifier for ABS and Other Plastics   N-PMI significantly improves the heat distortion temperature (HDT) of ABS (Acrylonitrile-Butadiene-Styrene) by increasing rigidity and thermal resistance without sacrificing impact strength. Ideal for automotive interiors, electronics housings, and appliance parts.   2. Monomer for High-Performance Polymers   It acts as a reactive monomer in polymerizations for polyimides, bismaleimides, and copolymers, enhancing thermal, chemical, and oxidative resistance.   3. Crosslinking Agent   Due to its maleimide functionality, NPMI enables crosslinking in styrenic and vinyl polymers, leading to stronger, more heat-stable network structures.   4. Electronics & Semiconductor Materials   Used in resin systems for encapsulants, prepregs, and adhesives where high heat resistance, dimensional stability, and low dielectric loss are critical.   5. Coatings and Adhesives   NPMI enhances adhesion strength and thermal stability in advanced coatings and industrial adhesives.     Why Choose Yangchen Tech’s N-Phenylmaleimide?   As a leading Chinese manufacturer and exporter, Yangchen Tech offers:   High-purity NPMI (≥99%) Flexible packaging and OEM services Global shipping and technical support Customization for research or industrial scale   We focus on quality, consistency, and customer-specific formulations, making our N-PMI ideal for global markets across automotive, aerospace, electronics, and materials science.    👉 Learn more or request a sample at https://www.yangchentech.com     Frequently Asked Questions (FAQ)   Q1: Is N-Phenylmaleimide safe to use? A1: Yes, it is stable under recommended storage conditions. Handle with standard chemical safety procedures.   Q2: What resins are compatible with NPMI? A2: ABS, SAN, PMMA, epoxy, polyimides, and bismaleimide systems.   Q3: How does it improve thermal performance in plastics? A3: It increases the glass transition temperature (Tg) and improves thermal deformation resistance by introducing rigid imide groups.     ➡️ Contact us today for technical datasheets or quotations.