Polyethyleneimine and polyvinylamine derivatives, aluminum-based

Stock material or miscellaneous articles – Composite – Of metal

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526278, 526287, B32B 1508

Patent

active

052178137

ABSTRACT:
In novel polyethyleneimine and polyvinylamine derivatives, the polyethyleneimines contain the structural elements Ia and/or Ib ##STR1## and the polyvinylamines contain the structural elements II.sub.a, II.sub.b and II.sub.c ##STR2## where, for the degrees of polymerization n, m and p, n.gtoreq.1, m.gtoreq.0 and p.gtoreq.0, and X.sup.1 is CR.sup.1 R.sup.2 PO.sub.3 R.sup.3 R.sup.4 or CR.sup.1 R.sup.2 SO.sub.3 R.sup.3, X.sup.2 independently of X.sup.1 is hydrogen, CR.sup.1 R.sup.2 PO.sub.3 R.sup.3 R.sup.4 or CR.sup.1 R.sup.2 SO.sub.3 R.sup.3, Y.sup.1 and Y.sup.2 independently of one another are each one or more CHR.sup.1 PO.sub.3 R.sup.3 R.sup.4 or CHR.sup.1 SO.sub.3 R.sup.3 groups or hydrogen, Y.sup.3 and Y.sup.4 independently of one another and of Y.sup.1 and Y.sup.2 are each hydrogen, CHR.sup.1 PO.sub.3 R.sup.3 R.sup.4 or CHR.sup.1 SO.sub.3 R.sup.3, and Z.sup.1 -Z.sup.4 are identical or different inorganic and/or organic radicals, wherein R.sup.1 and R.sup.2 independently of one another are each hydrogen, C.sub.1 -C.sub.12 -alkyl or aryl and R.sup.3 and R.sup.4 independently of one another are each hydrogen, an alkali metal atom or NR.sup.5 R.sup.6 R.sup.7 R.sup.8, where R.sup.5 to R.sup.8 are identical or different radicals selected from the group consisting of hydrogen, alkyl, aryl, hydroxyalkyl and benzyl.
Aluminum-based substrates coated with these polyethyleneimines and/or polyvinylamines are used for the production of offset printing plates.

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patent: 5045432 (1991-09-01), West et al.

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