Amino group containing phenol derivative
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United States of America Patent
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Aug 8, 2006
Grant Date -
Nov 20, 2003
app pub date -
Jan 31, 2003
filing date -
May 7, 2002
priority date (Note) -
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Abstract
An object of the present invention is to provide a material which resolves the drawbacks associated with polyimide polymers, and yet retains the advantages offered by conventional polyimide polymers.An amino group containing phenol derivative of the present invention is represented by a general formula (1) show below, and the present invention also provides a polyimide precursor produced using such an amino group containing phenol derivative. ##STR00001## (wherein, R.sup.1, R.sup.2 and R.sup.3, which may be the same or different, each represent an alkyl group of 1 to 9 carbon atoms, an alkoxy group of 1 to 10 carbon atoms, a COOR group (in which R represents an alkyl group of 1 to 6 carbon atoms) or a hydrogen atom; R.sup.4 and R.sup.5, which may be the same or different, each represent an alkyl group of 1 to 9 carbon atoms or a hydrogen atom; X represents --O--, --S--, --SO.sub.2--, --C(CH.sub.3).sub.2--, --CH.sub.2--, --C(CH.sub.3)(C.sub.2H.sub.5)--, or --C(CF.sub.3).sub.2--; and n represents an integer of 1 or greater).
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