Stock material or miscellaneous articles – Composite – Of epoxy ether
Reexamination Certificate
2007-10-24
2011-12-06
Feely, Michael J (Department: 1761)
Stock material or miscellaneous articles
Composite
Of epoxy ether
C156S330000, C525S524000, C525S525000, C525S526000, C525S528000
Reexamination Certificate
active
08071217
ABSTRACT:
Discussed are heat-curable epoxy resin compositions containing at least one epoxy resin A with, on average, more than one epoxide group per molecule, at least one curing agent B for epoxy resins, which is activated by an increased temperature, at least one terminally blocked polyurethane prepolymer of formula (I) and at least one epoxide-terminated polyurethane prepolymer of formula (II). The epoxy resin compositions are particularly suitable for use as one-component, heat-curable adhesives and are characterized by excellent mechanical properties, high glass transition temperatures and high impact resistance.
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Finter Juergen
Kramer Andreas
Rheinegger Urs
Schulenburg Jan Olaf
Feely Michael J
Oliff & Berridg,e PLC
Sika Technology AG
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