Process for the manufacture of pipe from composite materials based on epoxy resins and 1,7-bis-(1-(2'-aminoethyl)-1,3-diaza-2-cyclopenten-2-yl)heptane
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United States of America Patent
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Apr 21, 1992
Issued Date -
N/A
app pub date -
Apr 16, 1991
filing date -
Dec 27, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a process for the manufacture of pipe from composite materials for industrial and drinking water, produced by the filament-winding method from epoxy resins and 1,7-bis-[1-(2'-aminoethyl)-1,3-diaza-2-cyclopenten-2-yl]-heptane and/or 1,8-bis-[1-(2'-aminoethyl)-1,3-diaza-2-cyclopenten-2-yl]octane as curing agents and commonly used reinforcing materials.
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