Descripción de los productos
Coace® B1 is a maleic anhydride modified polypropylene with high grafting rate.
The polypropylene polymer is at the heart of the coupling agent, acting as its backbone. Maleic anhydride (MA) is grafted onto PP chains at a faster pace than traditional MAPP coupling agents thanks to a focused chemical modification approach. The higher grafting density of MA moieties along the polymer backbone is the primary differentiating feature of coupling agent, resulting in improved functionality and performance.
The high grafting rate polypropylene coupling agent, a maleic anhydride modified polypropylene, is a notable achievement in the field of polymer modification. Its ability to improve adhesion, mechanical characteristics, and thermal stability makes it a beneficial additive in a variety of applications. Its diverse performance benefits industries ranging from automotive to construction, packaging, and electronics, resulting in products with improved quality and durability.
By efficiently resolving the limits of pure polypropylene, this coupling agent creates new opportunities for material innovation and product development. Whether improving the strength and longevity of automotive components, increasing the durability of construction materials, or ensuring the dependability of consumer goods, the high grafting rate polypropylene coupling agent is a critical component in modern manufacturing and material science.
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Característica
In the application of PP+glass fiber modification, it can react with the surface-treated glass fiber to improve the compatibility of PP and glass fiber, thereby improving the tensile strength and impact strength of polypropylene. Adding PP compatibilizer in the production of filled polypropylene can greatly improve the affinity between fillers and polypropylene and the dispersion of fillers.
| Características | Valor | Unidad | Método de ensayo |
| Apariencia | Gránulos | ||
| Color | Blanco o amarillo claro | ||
| Densidad | 0.92 | g/cm3 | ASTM D792 |
| Caudal de fusión（190℃2,16kg） | 60-100 | g/10min | ASTM D1238 |
| Contenido de anhídrido maleico | Alta | wt% | Método COACE[1] |
Notes[1]LOW＜0.4wt%; Middle(0.4wt%-0.8wt%); High≥0.8wt%.
- High Grafting Efficiency: The product has a high level of grafting, which means that a large number of MAH groups are chemically attached to the PP backbone. This high grafting rate is critical for getting the most out of the coupling agent’s performance.
- Thermal Stability: The modified polypropylene has exceptional thermal stability, allowing it to tolerate the high processing temperatures seen in polymer extrusion and molding operations.
- Compatibility: This coupling agent works well with a variety of polypropylene grades, including homopolymers and copolymers. It is compatible with a variety of fillers and reinforcements, including glass fibers, mineral fillers, and wood flour.
- Improved Mechanical Properties: The addition of MAH groups improves the mechanical properties of PP composites by increasing filler dispersion and adherence within the polymer matrix.
Ventaja
The maleic anhydride modified polypropylene coupling agent has several important benefits, making it a vital component in many applications:
Enhanced Adhesion: The polarity of the MAH groups increases adhesion between PP and polar substrates or fillers. This produces composites with greater mechanical integrity and durability.
Increased Wettability: The polar alteration improves the wettability of polypropylene, allowing for better mixing and dispersion of additives and fillers, resulting in enhanced composite characteristics.
Versatility: Because of its high grafting rate and compatibility with a wide range of materials, this coupling agent is suitable for a variety of formulations and processing processes, including extrusion, injection molding, and blow molding.
Improved Mechanical Strength: Composites containing this coupling agent have higher tensile strength, impact resistance, and flexural characteristics, making them appropriate for demanding applications.
Chemical Resistance: The modified polypropylene retains the base polymer’s natural chemical resistance while providing enhanced adhesion to polar materials, hence expanding the spectrum of potential applications.
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Aplicación
Aplicación típica
Se utiliza como agente de acoplamiento en compuestos base polipropileno para reforzar la adhesión entre los materiales de relleno y la matriz polimérica.
Se utilizan como compatibilizadores para mejorar la compatibilidad entre la poliamida y el polipropileno.
Industria de aplicación
Due to its versatility and increased qualities, the high grafting rate polypropylene coupling agent is used in a wide range of industries. Some typical applications are:
Automotive Industry: The coupling agent improves the mechanical qualities and durability of polypropylene composites used in interior and external components. This comprises dashboards, bumpers, and under-the-hood components that require high adhesion and mechanical performance.
Construction Materials: The product is commonly used in the manufacture of polypropylene-based building materials such as composite decking, siding, and roofing. The increased adhesive capabilities allow for better incorporation of fillers such as wood flour and glass fibers, resulting in materials with greater strength and endurance.
In the packaging industry, the coupling agent improves the performance of PP films and containers by enhancing adhesion for printing inks and coatings and barrier qualities when mixed with polar materials.
Electrical and Electronics: The coupling agent is used to manufacture electrically insulating components where polypropylene’s inherent electrical resistance is required but better mechanical qualities and adherence to other materials are desirable.
Fiber-Reinforced Composites: The coupling agent enhances the interaction between the polymer matrix and reinforcing fibers (such as glass or natural fibers), resulting in composites with improved mechanical properties that are appropriate for high-performance applications in a variety of industries.
Consumer products: The coupling agent improves the adhesion of coatings, labels, and fillers in consumer products such as appliances, toys, and sporting equipment, resulting in superior aesthetic and functional features.
