Filler system for a non-flammable rigid foam and use of the rigi

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

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521 85, 521 92, 521106, 521121, 521124, 521136, 521181, 521907, C08J 914

Patent

active

045322619

ABSTRACT:
There is disclosed a non-flammable rigid foam on the basis of phenolic resin and furane resin, containing aluminum hydroxide and further components as a filler system. The weight ratio of resin substance:filler substance is at least 1:2.5 and up to 1:3.2 and the bulk density is from 50 kg/m.sup.3 to 450 kg/m.sup.3. The resin compound is the reaction product obtained by the reaction with one another of

REFERENCES:
patent: 4353994 (1982-10-01), Smith
patent: 4419460 (1983-12-01), Ho
patent: 4463106 (1984-07-01), Ruhl et al.

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