E - Fixed Constructions – 06 – B
Patent
E - Fixed Constructions
06
B
E06B 3/66 (2006.01) C09K 3/10 (2006.01) E06B 3/663 (2006.01)
Patent
CA 2384189
An insulating glass unit including a first pane of glass, a second pane of glass, and a spacer system. The spacer system includes (i) a spacer positioned between an inner surface of the first pane of glass and an inner surface of the second pane of glass and (ii) a sealant system for adhering the inner surfaces of the glass panes to the spacer. The sealant system includes at least one sealant having (a) at least one thermoplastic hot-melt material having a melt temperature ranging from about 125°F (51°C) to about 250°F (121°C), and (b) at least one curable material. The sealant, when cured, forms a covalent bond between the spacer and the panes. The sealant has an initial hardness ranging from about 25 Shore A to about 450 Shore A and a post-cure hardness measured about 48 hours thereafter ranging from about 30 Shore A to about 50 Shore A.
Cette unité de verre isolant comprend un premier vitrage, un second vitrage ainsi qu'un système d'espacement, lequel comporte (i) un dispositif d'espacement placé entre une surface intérieure du premier vitrage et une surface intérieure du second vitrage, et (ii) un système de scellement destiné à faire adhérer les surfaces intérieures des vitrages sur le dispositif d'espacement. Ce système de scellement comprend au moins un matériau d'étanchéité comportant (a) au moins un matériau thermoplastique thermofusible dont la température de fusion se situe entre environ 125 DEG F (51 DEG C) et environ 250 DEG F (121 DEG C), et (b) au moins un matériau pouvant durcir. Lorsque le matériau d'étanchéité a durci, il forme une liaison covalente entre le dispositif d'espacement et les vitrages. Ce matériau d'étanchéité possède une dureté Shore A initiale comprise entre environ 25 et environ 450, ainsi qu'une dureté Shore A mesurée environ 48 heures après durcissement, de l'ordre d'environ 30 à environ 50.
Giangiordano Richard
Virnelson Bruce
Borden Ladner Gervais Llp
Prc-Desoto International Inc.
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