Products Description
W5AS is an epoxy modified ethylene copolymer with high content of reactive groups.
Impact modifiers are important additives in the polymer industry that improve the toughness and durability of polymers. Incorporating impact modifiers into polyethylene terephthalate (PET), a widely used thermoplastic polymer, can greatly increase mechanical qualities, particularly impact resistance. Epoxy modified ethylene copolymers with a high amount of reactive groups outperform other types of impact modifiers.
Epoxy modified ethylene copolymers with a high reactive group content provide considerable advantages as PET impact modifiers. Their capacity to improve the compatibility, processing features, and mechanical properties of PET makes them invaluable in a variety of sectors. These impact modifiers provide the toughness, endurance, and flexibility required to meet rigorous application requirements in a variety of applications, including automotive components, packaging solutions, electronic housings, and building materials. As the need for high-performance materials grows, improved impact modifiers will play an increasingly important role in the development of innovative, robust, and efficient products.
Advanced Equipment!
Equipped with advanced production lines and experimental testing center to ensure product quality.
Strong Technical Force!
More than 10 experienced technical R&D staff drive continuous innovation.
Characteristic
| Characteristics | Value | Unit | Test Method |
| Appearance | Granules | ||
| Color | White | g/cm3 | ASTM D792 |
| Density | 0.87 | ||
| Melt Flow Rate（190℃2.16kg） | 2-5 | g/10min | ASTM D1238 |
| Glycidyl Methacrylat Content | High | wt% | COACE Method[1] |
Notes [1] LOW＜0.4wt%; Middle(0.4wt%-0.8wt%); High≥0.8wt%.
- Epoxy Functional Groups: The key distinguishing feature of these copolymers is the presence of epoxy groups, which are highly reactive and capable of creating strong chemical interactions with the PET matrix. This reactivity improves the interfacial adhesion of the modifier and PET.
- Ethylene Backbone: The basis of the copolymer is ethylene, which is noted for its flexibility and toughness. The ethylene segments provide flexibility and impact resistance to the PET.
- High Melt Flow Index: These impact modifiers often have a high melt flow index, allowing for simple mixing and processing with PET during extrusion or injection molding.
- Thermal Stability: Copolymers maintain their characteristics at PET manufacturing temperatures, ensuring constant performance without deterioration.
- Enhanced Impact Resistance: The use of epoxy modified ethylene copolymers considerably increases PET’s impact resistance, making it more robust and less prone to brittle failure.
- Elasticity and Toughness: The ethylene component increases toughness and elasticity, which improves the mechanical performance of the modified PET.
Advantage
1. Improved compatibility.
Chemical Bonding: The reactive epoxy groups establish covalent connections with the PET matrix, resulting in increased dispersion and compatibility. This produces a more uniform blend with better mechanical qualities.
Reduced Phase Separation: The strong interfacial adhesion reduces phase separation, resulting in uniform dispersion of the modifier throughout the PET matrix.
Enhanced processing characteristics:
Ease of Processing: Because these copolymers have a high melt flow index, they can be easily processed with ordinary PET processing equipment such as extruders and injection molders.
Consistent Quality: The copolymers’ thermal stability ensures that they do not degrade throughout processing, resulting in consistent quality and performance.
2. Mechanical performance:
Increased Toughness: The fundamental advantage of incorporating these impact modifiers into PET is a significant improvement in toughness. This makes the modified PET appropriate for applications that require great impact resistance.
Improved Flexibility: The elasticity supplied by the ethylene component enables the PET to bear mechanical stress without cracking or breaking.
3. Chemical resistance:
Durability: The modified PET preserves its intrinsic chemical resistance, making it appropriate for usage in locations where it may be exposed to a variety of chemicals.
Our advantage
Global Supply Chain!
Sound Storage And Logistics Supply Chain System
Technical Support
After-sales protection
Focus • Achievement • Excellence!
Products Customized
Focus on R&D
Global Services
Coace Certification!
ISO9001:2015 Certification
ISO14001:2015 Certification
EU REACH registration
Korea K-REACH pre-registration
Enterprise advantage!
Layout at home and abroad, wonderful for mixing
Domestic marketing layout
Overseas marketing layout
Application
Typical Application
- To be used as impact modifier for PET, or recycled PET materials
- To be used as compatibilizers for PET/PPO blends, and others.
Application Industry
Automotive Industry
Packaging Industry
Electronics and Electrical Industry
Construction Industry
Consumer Goods Industry
Impact modifiers for PET having a high reactive group content, such as epoxy modified ethylene copolymers, play an important role in improving PET performance across a wide range of applications. Their capacity to improve impact resistance, toughness, and mechanical qualities renders them useful in industries such as automotive, packaging, electronics, construction, and consumer goods. These innovative materials help to build long-lasting, dependable, and high-performing products by addressing the specific needs of these industries.
