Adhesive bonding and miscellaneous chemical manufacture – Delaminating processes adapted for specified product – Delaminating in preparation for post processing recycling step
Patent
1987-07-31
1989-08-08
Schofer, Joseph L.
Adhesive bonding and miscellaneous chemical manufacture
Delaminating processes adapted for specified product
Delaminating in preparation for post processing recycling step
156668, 5253262, 525367, B44C 122, B29C 3700, C08F 1426, C08F11426
Patent
active
048550183
ABSTRACT:
A process for etching polytetrafluoroethylene (PTFE) is disclosed herein which comprises defluorinating the surface layer of PTFE. The process includes exposing a sample of PTFE to the vapors of an alkali metal such that a layer of the fluoride of the alkali metal is formed on the surface of the PTFE sample and removing the fluoride of the alkali metal from the surface of the PTFE sample.
REFERENCES:
patent: 3967018 (1976-06-01), Jansta et al.
Erwin Lewis
Leonard Elizabeth C.
Guarriello John J.
Massachusetts Institute of Technology
Schofer Joseph L.
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