Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1977-11-18
1980-03-25
Michl, Paul R.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
426131, 426398, 428463, 526304, C08L 3302
Patent
active
041950054
ABSTRACT:
There is disclosed a metal container containing a beverage or food having its integral surface coated with an adherent sanitary liner, the coating being a cured layer of a water-based coating composition consisting essentially of from about 5 percent to about 60 percent by weight of an amine-neutralized or partially neutralized interpolymer formed in the presence of a vinyl polymerization catalyst and in the absence of mercaptan, the interpolymer being comprised of from about 10 percent to about 30 percent of acrylamide or methacrylamide in units of the structure: ##STR1## where R' is methyl or hydrogen and R is hydrogen or lower alkyl, from about 5 percent to about 15 percent of units formed by vinyl polymerization of monoethylenically unsaturated carboxylic acid; from about 10 percent to about 50 percent of units derived by vinyl polymerization of isobutyl methacrylate; and from about 20 percent to about 45 percent of nitrile, such as acrylonitrile; wherein the interpolymer is solubilized by neutralizing acid groups of the interpolymer with a sufficient amount of monomeric amine to produce at least 0.200 milliequivalents of salt per gram of resin solids; and from about 40 percent to about 95 percent by weight of a liquid medium consisting of a mixture of water-soluble or water-miscible organic solvents and water, wherein at least 60 percent by weight of the mixture is water. These cured coatings are characterized by improved impermeability to lubricants and flavor components and also better resist water at elevated temperature so as to also be useful as an exterior coating.
REFERENCES:
patent: 3551525 (1970-12-01), Wilhelm
patent: 3652478 (1972-03-01), Ishii
patent: 3991216 (1976-11-01), Christenson
patent: 4057527 (1977-11-01), Columbus
patent: 4065415 (1977-12-01), Christenson
Brown George L.
Spencer Arthur T.
Gilman Michael G.
Huggett Charles A.
Michl Paul R.
Mobil Oil Corporation
Trojnar Edward J.
LandOfFree
Aqueous can coatings of improved impermeability does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Aqueous can coatings of improved impermeability, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Aqueous can coatings of improved impermeability will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1401224