Descripción de los productos
The Styrene-Ethylene-Butylene-Styrene (SEBS) Elastomer with Anhydride Modification is a high-performance, adaptable material with excellent qualities.
The “anhydride modified” aspect refers to the presence of an anhydride functional group within the SEBS elastomer. Anhydrides are chemical compounds that contain a carbonyl group bonded to two oxygen atoms. The modification of SEBS with anhydride groups enhances its performance characteristics, particularly in terms of stability and aging resistance.
Good stability implies that Coace®W1G-F maintains its physical and mechanical properties over time, exhibiting minimal degradation or deterioration under various environmental conditions. This stability could refer to factors such as resistance to temperature changes, exposure to UV radiation, oxidation, and chemical substances.
Aging resistance suggests that Coace®W1G-F has the ability to withstand the effects of aging, such as degradation caused by environmental factors, heat, oxygen, and other aging agents. This resistance allows the material to maintain its original properties and performance for an extended period, making it suitable for applications that require long-term durability.
The Anhydride Modified SEBS Elastomer is made with the intention of displaying exceptional elasticity, flexibility, and toughness. It has a distinct molecular structure that combines the qualities of elastomers and thermoplastics. This preserves the elastic qualities of an elastomer while enabling it to be treated and molded with the ease of a thermoplastic.
Coace®W1G-F is a specific type of elastomer known as an anhydride modified Styrene-Ethylene-Butylene-Styrene (SEBS) elastomer. SEBS elastomers are a class of thermoplastic elastomers that exhibit both the properties of rubber and plastic. They are composed of a styrene-ethylene-butylene-styrene block copolymer, where styrene provides rigidity and ethylene-butylene provides elasticity.
In applications involving polymer blends, the W1G-F high flowability toughener for PA and PPE provides outstanding value and performance. This toughener maximizes the potential of PA and PPE blends with its great flowability, toughening effect, compatibility enhancement, and thermal stability. This cutting-edge product can be used in a variety of industries, including automotive, electrical and electronics, consumer goods, and industrial equipment, to improve impact resistance, improve mechanical properties, and achieve superior processability.
It’s important to note that the information provided about Coace®W1G-F is based on the details provided in your question. If you require more specific or technical information about this elastomer, it is recommended to consult the manufacturer or supplier for comprehensive product specifications and data sheets.
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Característica
| Características | Valor | Unidad | Método de ensayo |
| Apariencia | Gránulos | ||
| Color | Blanco | ||
| Densidad | 0.90 | g/cm3 | ASTM D792 |
| Caudal de fusión（190℃5kg） | 25-40 | g/10min | ASTM D1238 |
| Styrene content | 20 | % | / |
| Contenido de anhídrido maleico | Alta | wt% | Método COACE[1] |
Notes[1]LOW＜0.4wt%; Middle(0.4wt%-0.8wt%); High≥0.8wt%.
Some uses of grafted SEBS are as follows:
- Polymer coupling agent: used to fill polypropylene composite materials such as glass fiber, talcum powder, calcium carbonate, mica, aluminum hydroxide (magnesium), etc., to improve the compatibility and adhesion between the matrix and the filler interface. Adding 3% to 10% can greatly improve the mechanical properties and thermal resistance of composite materials. Compared with commonly used silane, titanate, aluminate and phosphate ester coupling agents, it has a better effect on improving the mechanical properties of composite materials.
- Polarity enhancer: used to increase polarity, adding 10% to 20% can significantly improve dyeability and paintability.
- Polymer compatibilizer: used in various rubber and plastic alloys to improve the compatibility and affinity of the phase interface. Addition ratio: 3% to 10%.
- A certain amount of maleic anhydride grafted SEBS can greatly increase the notched impact strength and elongation at break of the blend, but the tensile strength and bending strength of the blend show a downward trend. When the amount of maleic anhydride grafted SEBS was 5%, the overall performance of PC/PBT blends was ideal.
- After the maleic anhydride grafted SEBS was added, the Tg of PC in the blend PC/PBT shifted to low temperature, and the Tg difference between the two was further reduced, which improved the compatibility of the blend.
- While improving the impact toughness of PC/PBT blends, maleic anhydride grafted SEBS has no adverse effect on the molding and processability of PC/PBT blends.
Ventaja
Increased Impact Resistance: W1G-F considerably increases the blends of PA and PPE’s impact resistance. Because it lessens the possibility of fracture propagation and brittle failure, the blend is appropriate for uses in which toughness and durability are essential, like industrial equipment, electrical housings, and automobile components.
Enhanced Mechanical Properties: Tensile strength, flexural modulus, and elongation at break are just a few of the mechanical qualities that the toughener enhances in polymer blends. High-performance parts and components can be produced by strengthening the polymer matrix, which raises the material’s overall strength and stiffness.
Increased Processability: Blends of PA and PPE are more processable thanks to W1G-F’s strong flowability. It achieves superior surface smoothness and permits complex item geometries by reducing melt viscosity and improving mold filling. This benefit results in higher manufacturing productivity, shorter cycle times, and better dimensional control.
Broad Application: The toughener is used widely in many different sectors and industries, such as consumer goods, industrial equipment, automotive, electrical and electronics, and consumer goods. It provides improved mechanical performance and impact resistance in polymer blends to meet the various demands of these industries.
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Aplicación
- To be used as a compatibilizer for polyolefin, PPO/PA and other alloys.
- To be used as a macromolecular coupling agent for minerals, glass fibers and otherinorganic substances.
