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China Suppliers Factory for Styrene-Ethylene/Butylene Block Copolymer Products
| Styrene-Ethylene/Butylene block copolymer | |||
|---|---|---|---|
| CATEGORIES | GRADE | APPLICATION | OPERATIONS |
| SEBS | LCY 7550 | Adhesives Asphalt modification Compounding |
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| SEBS | LCY 7551 | Adhesives Asphalt modification Compounding |
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| SEBS | LCY 7554 | Adhesives Asphalt modification Compounding |
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| SEBS | CH510 | Compounding | Inquiry |
| SEBS | CH520 | Compounding | Inquiry |
| SEBS | CH540 | Compounding | Inquiry |
| SEBS | YH-501T | Adhesives Coating Compounding |
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| SEBS | YH-502T | Adhesives Coating Compounding |
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| SEBS | YH-503T | Adhesives Coating Compounding |
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| SEBS | YH-504T | Adhesives Coating Compounding |
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| SEBS | YH-602T | Compounding | Inquiry |
| SEBS | YH-604T | Compounding | Inquiry |
Material Characteristics
This product is a linear, transparent block copolymer of the Styrene-Ethylene/Butylene-Styrene (SEBS) type. Its molecular structure is engineered to deliver a high-performance profile, characterized by the following key properties:
Excellent Weathering and Heat Resistance
The saturated mid-block (ethylene/butylene) provides outstanding resistance to degradation from ozone, oxygen, and UV radiation, ensuring long-term stability in outdoor applications. It also maintains its properties at elevated temperatures, offering good heat resistance.
High Mechanical Strength
The material exhibits remarkable tensile strength, tear resistance, and abrasion resistance, resulting in durable and long-lasting end-products.
Good Compatibility with Plastics
It demonstrates excellent compatibility with a wide range of engineering thermoplastics, such as polypropylene (PP) and polystyrene (PS), facilitating easy blending for the creation of polymer alloys with enhanced characteristics.
Clarity and Flexibility
The linear structure contributes to its transparency, while simultaneously providing high elasticity and excellent low-temperature flexibility.
Material Application
Owing to its robust set of properties, this SEBS copolymer serves as a versatile modifier and base polymer across diverse industries. Its primary applications include:
Plastic Modification
Used as an impact modifier and flexibilizer for rigid plastics, significantly improving toughness and soft-touch feel without sacrificing processability.
Adhesives
Serves as a key component in formulating high-performance, permanent hot-melt adhesives (HMAs) and sealants, providing strong cohesion and UV-stable bonding.
Compounding for Modification
Acts as a foundational material for producing customized thermoplastic elastomer (TPE) compounds tailored to specific hardness, color, and performance requirements.
Toys and Consumer Goods
Ideal for manufacturing safe, durable, and soft-touch items such as toys, grips, and handles.
Asphalt Modification
Enhances the flexibility, elasticity, and durability of asphalt binders used in roofing and paving applications.
Frequently Asked Questions (FAQ)
What is SEBS and how is it structured?
SEBS stands for Styrene-Ethylene/Butylene-Styrene. It is a linear thermoplastic elastomer (TPE) block copolymer produced by hydrogenating Styrene-Butadiene-Styrene (SBS), which saturates the mid-block for enhanced stability.
What are the primary benefits of using SEBS over other elastomers?
SEBS offers superior UV resistance, heat stability, and weathering properties due to its saturated mid-block. It also provides excellent mechanical strength, transparency, flexibility, and compatibility with various polyolefins.
In which applications is SEBS commonly used?
It is widely used in plastic modification (as an impact modifier), hot-melt adhesives, sealants, asphalt modification, TPE compounding, and consumer products like soft-touch grips and toys.
Can SEBS be blended with other plastics?
Yes, SEBS has outstanding compatibility with engineering thermoplastics, particularly polypropylene (PP) and polystyrene (PS), allowing for the creation of high-performance polymer alloys.
How does SEBS perform in extreme weather conditions?
Due to its unique molecular structure, SEBS maintains excellent low-temperature flexibility and high-temperature stability, making it highly resistant to degradation from ozone, oxygen, and UV radiation.
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