1,2-N-acyl-N-methylene-ethylenediamine, and electroconductive paste comprising it
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United States of America Patent
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Jul 14, 1998
Grant Date -
N/A
app pub date -
Apr 22, 1997
filing date -
Apr 26, 1996
priority date (Note) -
Expired
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Abstract
Novel compounds, 1,2-N-acyl-N-methylene-ethylenediamines of formula (I) are useful as dispersants, rust inhibitors, curing promoters for epoxy resins, electroconductivity-imparting agents, mold lubricants, etc. ##STR1## where R is a hydrogen atom or a hydrocarbon group. An electroconductive paste with excellent electroconductivity and much improved long-term stability is obtained by mixing 100 parts by weight of a thermosetting resin with from 250 to 900 parts by weight of a metal filler and from 1 to 50 parts by weight of the 1,2-N-acyl-N-methylene-ethylenediamine; or by adding from 250 to 900 parts by weight of a metal filler coated with the 1,2-N-acyl-N-methylene-ethylenediamine to 100 parts by weight of a thermosetting resin.
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