B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
117/90.2
B05D 3/08 (2006.01) B05D 3/04 (2006.01) B29C 49/46 (2006.01) B32B 27/08 (2006.01) C08J 7/04 (2006.01) C08J 7/12 (2006.01)
Patent
CA 1307707
ABSTRACT The present invention is a method for improving the barrier properties of thermoplastic substrates. A surface of the thermoplastic substrate is contacted with a reactive gas stream having an F2 concentration greater than or equivalent to 0.0001 atm. partial pressure of F2 per atm. total pressure and sufficient oxygen such that the F2/O2 ratio is less than or equal to about 100, with the remainder being additional reactive and/or nonreactive components. A barrier coating material is applied to the treated surface of the substrate and subsequently undergoes a curing step to form the final product.
572221
Bauman Bernard Daniel
Mehta Rajendra Kumar
Williams Mark Alan
Air Products And Chemicals Inc.
Mcfadden Fincham
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