B - Operations – Transporting – 05 – C
Patent
B - Operations, Transporting
05
C
18/1182
B05C 7/02 (2006.01) B01J 3/00 (2006.01) C08J 7/12 (2006.01) C14C 11/00 (2006.01) C14C 15/00 (2006.01)
Patent
CA 1080929
APPARATUS AND PROCESS FOR SURFACE TREATMENT Abstract of the Disclosure An apparatus and process are provided for the safe, economic and pollution-free exposure of articles to reactive fluids to alter their surface characteristics. The articles are exposed to one or more fluids which are transferred back and forth from a reaction chamber to a holding chamber. As the fluids are transferred they pass through a trap designed to remove reaction-by-products without affecting valuable reactant fluids. Since the fluids can be transferred under vacuum and the overall reaction can take place at relatively low temperatures, the process provides a convenient and safe method for handling reactive fluids. The process is particularly useful far the halogenation, for example fluorination, of a variety of articles, such as plastic containers, aerosol bottles and films to improve their barrier resistance to solvents and gases. S P E C I F I C A T I O N -1-
247832
Gortsema Frank P.
Hawkins Albert W.
Hedaya Eddie
O'hara Matthew J.
Na
Union Carbide Corporation
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