Polyamides
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United States of America Patent
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-
Mar 4, 1980
Grant Date -
N/A
app pub date -
Mar 7, 1978
filing date -
Mar 7, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Polyamides suitable as hot-melt adhesives and containing groups derived from a polymeric fatty acid containing 70-90% by weight of dimer acid and from a triamine of the structure ##STR1## in which R.sub.1 is a C.sub.1 -C.sub.3 alkyl group and R.sub.2 and R.sub.3 are bivalent hydrocarbon radicals. Optionally the polyamide also contains groups derived from a C.sub.2-20 diamine, a dicarboxylic acid containing 6-12 carbon atoms, a monocarboxylic acid or a C.sub.5-12 lactam.
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