Corona-discharge treatment of polyetheretherketone (PEEK) for adhesive bonding
Poly (etheretherketone)(PEEK) has been treated by corona-discharge in air with added
oxygen, argon, ammonia or sulfur dioxide. The observed effect is to almost double the
strength of lap joints and increase surface polarity. Treated surfaces have been stored for 90
days without significant loss of joint strength. The improvements brought about by corona-
treatments are not removed by wiping the surface with solvents.
oxygen, argon, ammonia or sulfur dioxide. The observed effect is to almost double the
strength of lap joints and increase surface polarity. Treated surfaces have been stored for 90
days without significant loss of joint strength. The improvements brought about by corona-
treatments are not removed by wiping the surface with solvents.
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