PET (also abbreviated PETE) is short for polyethylene terephthalate, the chemical name for polyester. PET is a clear, strong, and lightweight plastic that is widely used for packaging foods and beverages, especially convenience-sized soft drinks, juices and water. PET typically exhibits low surface energy and poor bonding characteristics. Plasma treatment significantly increases the surface energy of PET resulting in elevated bond strengths.
|Before plasma treatment
|after plasma treatment
|Contact Angle 83.76 ± 0.73O
|Contact Angle 20.61 ± 1.2O
|Surface energy 43.22 ± 1.19mN/m
|Surface energy 74.53 ± 2.16mN/m