C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
154/110, 154/122
C08K 5/49 (2006.01) C08G 59/40 (2006.01) C08G 59/62 (2006.01) C08K 5/55 (2006.01) C08L 63/00 (2006.01)
Patent
CA 1179439
ABSTRACT A high heat resistant transparency 10 of epoxy resins cured with adducts of trimethoxyboroxine and benzyl alcohol ii disclosed to resist intense heat for these transparencies in their use on military and industrial hardware. Additionally, the transparency may include phosphite or phosphate compounds to improve heat resistance, with the phosphate compound in sufficient concentrations to delay gel times such that the phenyl substituted alkyl alcohol may be eliminated from the composition. This transparency may exist in a composite with other layers of trans- parent material known to those skilled in the art. The epoxy transparency layer 20 is bound to the other transparent layers, 30, 40 in a variety of configura- tions, using an interlayer 35, 45 of mercaptan terminated resins. These resins greatly improve resistance to moisture permeability in and about the edges of the entire transparency.
394634
Goodyear Aerospace Corporation
Smart & Biggar
LandOfFree
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