Epoxy resin hardener compositions

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate

Reexamination Certificate

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Details

C528S092000, C528S374000, C252S182170, C523S455000, C523S456000, C525S523000

Reexamination Certificate

active

06881813

ABSTRACT:
The invention relates to epoxy resin hardener compositions containing at least one mercaptan hardener and at least one metal salt of C8-24carboxylic acids. These hardeners are distinguished in particular by the fact that catalyzed resins containing epoxy resins and the hardener compositions according to the invention give high-gloss molding compounds, more particularly coatings, after hardening by crosslinking.

REFERENCES:
patent: 3291776 (1966-12-01), Newey et al.
patent: 4136086 (1979-01-01), Baumann et al.
patent: 0 742 259 (1996-11-01), None
Stuart J. Hartman, et al., “Mercaptans: An Added Dimension For Epoxy Coatings”, Western Coatings Societies' Symposium and Show, Monterey, California, Feb. 23, 1987, pp. 1-24.
Leonard J. Calbo (Ed.), Handbook of Coating Additives, vol. 2, Marcel Dekker, New York, (1992), pp. 277-299.
Römpp, Lexikon, Lacke und Druckfarben, Georg Thieme Verlag, Stuttgart, New York, (1998), p. 375.
Zeno W. Wicks, Jr., et al., “Organic Coatings: Science and Technology”, vol. 1, John Wiley & Sons, Inc., New York, (1992), pp. 162-179.
Dieter Stoye, et al. (Eds.), “Lackharze—Chemie, Eigenschaften und Anwendungen”, Munich, (1996), pp. 252-263.
H. Kittel, Lehrbuch der Lacke und Beschichtungen, vol. 2, Stuttgart, (1998), pp. 267-291.
DIN 67 530, (Jan., 1982), pp. 278-282.

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