Stock material or miscellaneous articles – Composite – Of metal
Patent
1993-09-07
1995-09-05
Walsh, Donald P.
Stock material or miscellaneous articles
Composite
Of metal
428462, 524203, 524505, 4272084, B32B 1504
Patent
active
H00014826
ABSTRACT:
A permanent, flexible coating for protecting and lubricating metal that is formed into articles by single step or multiple step bending or stamping deformation is disclosed. The coating comprises a block copolymer which is formed from selective hydrogenation of an (A-B).sub.n -A or (A-B).sub.n block copolymer. Monomers containing functional groups, preferably monocarboxylic or polycarboxylic acid compounds or their derivatives, are grafted onto the selectively hydrogenated block copolymer in an amount sufficient to improve adhesion of the polymer to the metal. The functionalized block copolymer can be crosslinked to improve resistance of the coating to organic solvents.
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Erickson James R.
St. Clair David J.
Watkins Michael J.
Carroll Chrisman D.
Shell Oil Company
Walsh Donald P.
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