Glazing article
AssigneeSaint-Gobain Vitrage
InventorsClaude Bourelier, Gerard Daude, Roger Orain
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Abstract
Glazing comprising a support, an interlayer of a polyurethane-polyurea having energy absorbing properties, and an outer layer comprising a material having self-healing properties.
Claims13
A glazing laminate comprising a first plastic layer having energy absorbing properties and a second plastic layer comprising a thermoset polyurethane having anti-lacerative and self-healing properties, said first plastic layer formed from a reaction mixture including a thermoplastic polyurethane-polyurea containing about 1 to about 20% by weight of urea groups and at least one polyisocyanate having NCO functionality greater than two.
A multi-ply flexible sheet, one ply of which comprises the product of a reaction mixture of a polyurethane-polyurea and a polyisocyanate having more than 2 NCO groups and which has energy absorbing properties and the other ply of which comprises a thermoset polyurethane having anti-lacerative and self-healing properties.
Dependencies are inferred from the claim text.