Description
SK PRIMACOR 5980i is a high-performance ethylene acrylic acid (EAA) copolymer engineered for dispersion and solution-based applications. This resin features an acrylic acid content as high as 20.5 wt%, delivering outstanding adhesion to polar substrates including paper, metals and polyolefins. Combining the flexibility and processability of polyethylene with the strong bonding performance of acrylic acid, PRIMACOR 5980i is an ideal candidate for extrusion coating, lamination, hot melt adhesives and multi-layer packaging structures.
Key Features
- Excellent adhesion to paper, metal foils and polyolefins
- High hot tack and sealing performance for flexible packaging
- Superior toughness and flexibility
- Excellent oil and grease resistance
- Insensitive to moisture and stable under typical processing conditions
- Compatible with EVOH, PA, PET and other polar substrates
Application Fields
- Extrusion coating and lamination
- Hot melt adhesives for packaging
- Multi-layer coextruded films
- Paper-plastic composite packaging
- Flexible packaging for food and beverages
- Industrial adhesive tie layers
Technical Properties
| Property | Typical Value | Unit | Test Method |
|---|---|---|---|
| Acrylic Acid Content | 20.5 | wt% | SK Internal Method |
| Melt Index (2.16 kg @ 190°C) | 300 | g/10min | ASTM D1238 |
| Melting Point | 77 | °C | SK Internal Method |
| Vicat Softening Temperature | 42 | °C | ASTM D1525 |
| Form | Pellets | — | — |
| Appearance | White Pellets | — | — |
Frequently Asked Questions
1.What is SK PRIMACOR 5980i?
SK PRIMACOR 5980i is a high-acid ethylene acrylic acid copolymer resin designed for aqueous dispersion and adhesive applications.
2.What is the acrylic acid content of PRIMACOR 5980i?
The acrylic acid content is 20.5 wt%.
3.What is the melt index of PRIMACOR 5980i?
The melt index is 300 g/10min (190°C / 2.16 kg).
4.What is the density of PRIMACOR 5980i?
The density is 0.924 g/cm³.
5.What is the melting point of PRIMACOR 5980i?
The melting point is 77°C.
6.What is the Vicat softening temperature of PRIMACOR 5980i?
The Vicat softening temperature is 42°C.
7.What are the main application areas of PRIMACOR 5980i?
It is suitable for extrusion coating, solution coating, lamination, adhesives, board coating, flexible packaging and multi-layer composite films.
8.Does PRIMACOR 5980i contain slip or antiblock additives?
No, PRIMACOR 5980i contains no slip or antiblock additives.
9.Can Shenzhen Ruiqing International Trade Co., Ltd. supply PRIMACOR 5980i?
Yes, Shenzhen Ruiqing International Trade Co., Ltd. can supply PRIMACOR 5980i, including quotation, delivery schedule, TDS, SDS, COA and sample support.

