Coating system

Details Coating system Coating system

2011-08-23

2011-08-23

Feely, Michael J (Department: 1761)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C523S427000, C523S428000, C523S455000, C525S523000, C525S534000

Reexamination Certificate

active

08003737

ABSTRACT:
A curable composition comprisinga) an epoxy resin containing on average more than one epoxy group per molecule, andb) as curing agent a hybrid hardener, whereby said hardener is a blend ofb1) an aminic compound selected from aliphatic, cycloaliphatic, araliphatic amines, imidazoline group-containing amidoamines based on mono- or polybasic acids, adducts of said amines or amidoamines made from glycidyl compounds, adducts of said amines or amidoamines made from cyclic carbonates,whereby said aminic compound contains, on average per molecule, at least two reactive hydrogen atoms bound to nitrogen atoms, andb2) a DCPD-phenol based novolac, and wherein the DCPD-phenol novolac is used in an amount from 1 to 65 wt %, based on the total weight of the hardener blend b1) and b2), especially useful as protective coatings for metallic and mineral substrates.

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patent: 2004/0048971 (2004-03-01), Hayakawa et al.
patent: WO 2006067195 (2006-06-01), None

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