Thermosettable compositions
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United States of America Patent
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Feb 21, 1995
Issued Date -
N/A
app pub date -
Mar 25, 1992
filing date -
Feb 10, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A novel thermosettable composition-of-matter is disclosed. One embodiment of the composition-of-matter includes a polymeric thermosettable ingredient having at least three acetoacetoxy-type functional pendant moieties as well as at least three acid-functional pendant moieties. Another embodiment of the composition-of-matter includes at least two polymeric thermosettable ingredients, one of which includes at least three acid-functional pendant moieties and the other of which includes at least three acetoacetoxy-type functional pendant moieties. The novel composition is characterized in that the acid-functional and acetoacetoxy-type functional pendant moieties crosslinkably-react together, when subjected to elevated-temperature conditions for a predetermined period of time, thereby producing a crosslinked polymeric network. The novel thermosettable composition-of-matter can be used 'as is' if either of the polymeric thermosettable components is a 'fluid' (i.e., is able to flow) at room temperature. Otherwise, the novel thermosettable composition-of-matter may be formulated into a solvent-borne coating composition, a water-borne coating composition, or a powder coating composition.
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