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Corona-discharge treatment of polyetheretherketone (PEEK) for adhesive bonding |
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| Authors: | J. Comyn L. Mascia G. Xiao B.M. Parker |
| Affiliation: | Institute of Polymer Technology and Materials Engineering, University of Technology, Loughborough, Leicestershire, LE113TU, UK Defence Research Agency, Farnborough, Hants, GU14 6TD, UK |
| Abstract: | 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. |
| Keywords: | B. plastic B. surface treatment by excited gas C. contact angles C. X-ray photoelectron spectroscopy |
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