Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1975-09-25
1977-03-15
Van Horn, Charles E.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156309, 156315, 156330, 156334, 220359, 260834, 260837R, 260836, 427386, 427410, 428416, 428418, C09J 500
Patent
active
040122700
ABSTRACT:
Propylene polymers are heat sealed to enamel coated metal surfaces, the enamel having incorporated therein an adhesion promoting carboxyl modified polypropylene resin. The bond strength of the heat seal is improved by incorporating the carboxyl modified polypropylene resin in the enamel coating formulation dissolved in a hot (heated above 100.degree. C) organic solvent solution selected from aliphatic acids, alcohols and hydrocarbons having at least 10 carbon atoms.
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Dittman William A.
Gallagher J. J.
Kerwin Joseph E.
Shapiro Paul
The Continental Group Inc.
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