C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/5424
C08L 63/00 (2006.01) C08G 8/04 (2006.01) C08L 61/06 (2006.01) C09K 3/10 (2006.01)
Patent
CA 1270084
Abstract of the disclosure: Mixture for the production of acid-resistant sealing materials or acid-resistant impregnating mater- ials based on epoxy resins, resols, hardening catalysts and further customary additives, which are in the form of a cement or impregnating solution and contain, as essential constituents, A) at least one bifunctional, low-molecular epoxy resin having an epoxide equivalent weight between 87 and 1,000, B) at least one resol formed from at least one trifunctional phenol and formaldehyde in a molar ratio of 1:1 to 1:3, having a viscosity bet- ween 50 and 2,500 mPa.s at 20°C and having a solids content of at least 50% by weight, and C) hardening cata- lysts, cements also containing D) fillers, in addition, and a process for the preparation of hardening products from the compounds. Thus, for example, cements or impervious, initially porous shaped articles which are resistant to solvents and weak acids and which have a low shrinkage after processing, are obtained.
477909
Hesse Wolfgang
Rauhut Klaus
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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