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US 5,739,184 AGranted
Thermosetting resin compositions
AssigneeNational Starch and Chemical Corporation
InventorsDavid L. Marbry, David R. Duller
Life of this patent
Estimating the term…
Abstract
The present invention relates to thermosetting resin compositions which may be used in the automotive industry as sealants to coat steel substrates. The thermosetting resin composition contains an epoxy resin, a rosin, an organometallic compound and, optionally, an elastomeric and/or thermoplastic polymeric binder.
Claims38
A thermosetting resin composition, comprising:
- an epoxy resin,
- a rosin,
- an organometallic compound comprising an organic moiety derived from a compound selected from the group consisting of a C.sub.3 -C.sub.32 monocarboxylic acid or derivative thereof, a C.sub.6 -C.sub.13 phenol, a C.sub.6 -C.sub.13 naphthol and a C.sub.5 -C.sub.12 1,3-diketone and a metal selected from the group consisting of magnesium, calcium, barium, aluminum, antimony and zinc;
- and
- optionally, a binder selected from the group consisting of elastomeric and thermoplastic polymers, wherein the epoxy resin, the rosin and the organometallic compound are present at levels effective to provide the thermosetting resin composition with improved adhesion to a steel substrate.
2 more elements
A method of sealing a steel substrate, comprising:
- applying to the steel substrate a thermosetting resin composition which comprises an
- epoxy resin,
- a rosin,
- an organometallic compound comprising an organic moiety derived from a compound selected from the group consisting of a C.sub.3 -C.sub.32 monocarboxylic acid or derivative thereof, a C.sub.6 -C.sub.13 phenol, a C.sub.6 -C.sub.13 naphthol and a C.sub.5 -C.sub.12 1,3-diketone and a metal selected from the group consisting of magnesium, calcium, barium, aluminum, antimony and zinc;
- and optionally
- a binder selected from the group consisting of elastomeric and thermoplastic polymers, wherein the epoxy resin, the rosin and the organometallic compound are present at levels effective to provide the thermosetting resin composition with improved adhesion to the steel substrate.
3 more elements
Dependencies are inferred from the claim text.