Porous and non-porous intumescent masses

Details Porous and non-porous intumescent masses Porous and non-porous intumescent masses

1986-11-07

1988-04-26

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521108, 521159, 521165, 521167, 521173, 521903, 521906, 528 51, 528 52, 528 53, 528 66, 528 72, 528 76, 528 83, C08G 1830

Patent

active

047405279

ABSTRACT:
A porous or non-porous intumescent mass comprising one or more carbonization auxiliaries, one or more fillers and optionally one or more other auxiliary agents, produced by the reaction of a polyisocyanate with an isocyanate reactive compound, optionally containing phosphorus or boron, in the presence of polyepoxide. The intumescent mass according to the invention having good fire characteristics and can be used to produce structural elements for fire resistance purposes, fire barriers, textile coatings, linings, laminates and pipe insulators.

REFERENCES:
patent: 3943076 (1976-03-01), Bell et al.
patent: 4338412 (1982-07-01), von Bonin
patent: 4380593 (1983-04-01), von Bonin et al.
patent: 4514328 (1985-04-01), Staendeke et al.
patent: 4529742 (1985-07-01), von Bonin et al.

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