Ionomer resin films
AssigneeAdvanced Glass Systems Corp.
InventorW. Novis Smith, Jr.
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Abstract
An ionomer resin, a film or sheet of the ionomer resin and laminated articles having a lamina of the ionomer resin film are provided. The ionomer resin consists of ionically crosslinked ethylene-methacrylic acid copolymer or ethylene-acrylic acid copolymer which is neutralized with a polyamine, preferably a diamine, that contains at least one R--CH.sub.2 --NH.sub.2 group and the R may contain: (--CH.sub.2 NH.sub.2).sub.x ; (--NH.sub.2).sub.x ; or (R'R"NH).sub.y where x=1 or more, y=0 or more. The polyamine neutralized ionomer resin may be formed into a film or sheet which may be self-supporting or may be laminated to glass to form a safety glass.
Claims12
In a copolymer containing alpha olefin units and alpha, beta ethylenically unsaturated carboxylic acid units, the improvement which comprises said copolymer being cross-linked with isophorone diamine.
A sodium ionomer of ethylene methacrylic acid copolymer cross-linked with isophorone diamine.
Dependencies are inferred from the claim text.