Laminated safety glass
AssigneeAdvanced Glass Systems Corp.
InventorsNelson P. Bolton, W. Novis Smith, Jr.
Life of this patent
Estimating the term…
Abstract
Laminated articles, particularly safety glass, comprising a lamina of ionomer resin film laminated to a sheet of glass. The ionomer resin film is preferably an ionically crosslinked ethylene-methacrylic acid copolymer. The laminated articles may also comprise a sheet of polycarbonate laminated to the ionomer resin film opposite the glass. The laminated articles may further comprise an ionomer resin film sandwiched between two sheets of glass. The laminated articles may still further comprise a sheet of polycarbonate or other plastics sandwiched between sheets of ionomer resin film, which are in turn sandwiched between sheets of glass.
Claims40
A transparent laminated article comprising:
- a first lamina consisting essentially of an ionomer resin film, said ionomer resin film being water insoluble and the metal salt of an ionomer resin prepared from ethylene and methacrylic acid monomers, said ionomer resin being partially neutralized by an organic diamine or triamine;
- and
- one sheet of primed or unprimed glass laminated to said first ionomer.
A method of forming a transparent laminated glass article comprising the steps of:
- providing a primed or unprimed glass sheet;
- and
- laminating a first lamina consisting essentially of an ionomer resin film to said glass sheet, said ionomer resin film being water insoluble and the metal salt of an ionomer resin prepared from ethylene and methacrylic acid monomers, said ionomer resin being partially neutralized by an organic diamine or triamine.
A transparent laminated article comprising:
- a first lamina having a thickness of at least 20 mils consisting essentially of an extruded ionomer resin film, said ionomer resin film being water insoluble and the metal salt of an ionomer resin prepared from ethylene and methacrylic acid monomers, said ionomer resins being partially neutralized by an organic diamine or triamine;
- and
- a sheet of primed or unprimed glass laminated to said first ionomer resin on one side and a sheet of plastic material on the other side.
A method of forming a transparent laminated glass article comprising the steps of:
- providing a primed or unprimed glass sheet;
- and
- laminating a first lamina consisting of an extruded ionomer resin film having a thickness of at least 20 mils to said glass sheet, said ionomer resin film being water insoluble and the metal salt of an ionomer resin resins which are ionically cross-linked copolymers prepared from ethylene and methacrylic acid monomers, said ionomer being partially neutralized by an organic diamine or triamine.
In a laminated product having at least one glass surface bonded with an opposing surface by an ionomer resin film, the improvement which comprises said ionomer resin film being a mixture of a zinc ionomer resin and a sodium ionomer resin, said ionomer being a copolymer prepared from ethylene or an alpa-olefin and carboxylic acid, and an organic polyamine partially neutralizing said resins for causing optical clarity of said ionomer resin.
A transparent laminated article comprising:
- a first lamina consisting essentially of a Mylar film
- a second lamina consisting essentially of an extruded ionomer resin film, said ionomer resin film being water insoluble and the metal salt of an ionomer resin prepared from ethylene and methacrylic acid monomers, said resin being partially neutralized by an organic polyamine, and
- a sheet of transparent plastic material selected from the group consisting of polycarbonate, polyurethane and acrylic plastic.
Dependencies are inferred from the claim text.