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EMAC® SP2268
Westlake’s EMAC® SP2268 is an ethylene methyl acrylate copolymer with enhanced toughness and polymer adhesion. It performs well in low-temperature environments and is typically used for extrusion coating, tie layer, and compounding applications.
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- Manufacturer: Westlake
- Product Line: EMAC® and EBAC® Acrylate Copolymers
- Product: EMAC® Ethylene Methyl Acrylate Copolymers
- Industries: Plastics
- Authorized Countries: Canada | Mexico | United States
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Canada
Mexico
United States
Overview
EMAC® SP2268 is an ethylene methyl acrylate copolymer that provides high performance at low temperatures and exhibits excellent polymer compatibility and adhesion. Containing 24% ethylene methyl acrylate and no plasticizers, it is a soft and flexible polymer that creates a high degree of durability and flexibility. EMAC® SP2268 can be processed by injection molding, extrusion, or lamination processes to produce flexible packaging, films, disposable gloves, and extrusion coatings and laminations. It has a melting point of 76°C and a brittleness temperature of less than −73°C. Its noncorrosive nature and ability to be filled with high solids make it a suitable choice for many compounding applications with broad polymer compatibility and adhesion to paper, polyesters, polyolefins, oriented polyolefins, PVC, ionomers, and other polar polymers.
Specifications
Methyl acrylate content, wt%: 24
Melt index, g/10 min: 10.0
Density, kg/m³ (g/cm³): 945 (0.945)
Vicat softening temperature, °C (°F): 41 (106)
Melting point, °C (°F): 76 (169)
Brittleness temperature, °C (°F): Less than −73 (Less than −99)
Durometer hardness Shore D scale: 34
Tensile stress at break, MPa (psi): 8 (1,100)
Elongation at break, %: 815
Primary Chemistry: Ethylene methyl acrylate block copolymer
Features & Benefits
- 24% methyl acrylate
- Contains no plasticizer
- Good polymer compatibility and adhesion
- Fillable with high solids
- Good softness
- Low-temperature flexibility
- Improves processing
- Low-temperature heat and radio frequency (RF) sealing
- Noncorrosive
- Higher-peak melting temperature
Problems Solved
Incompatibility or adhesion to other polymers Poor low-temperature resistance or flexibility of polymers Low flexibility at low temperatures
Applications
Extrusion coatings and laminations Masterbatching and compounding applications Injection molding Flexible packaging
Related Chemistries
Plastics
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Related Processes
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