C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 5/18 (2006.01) C09D 125/06 (2006.01) C09D 125/14 (2006.01) C09D 131/04 (2006.01) C09K 21/12 (2006.01)
Patent
CA 2137112
The expandable, flame-retardant coating compositions comprise at least from 4 to 25% by weight of a film-forming binder, from 10 to 40% by weight of an ammonium polyphos- phate, from 8 to 40% by weight of at least one substance which is carbonized under the effect of heat, from 6 to 25% by weight of an expansion agent, from 0 to 5% by weight of dispersants and from 0 to 25% by weight of fillers. As substance which is carbonized under the effect of heat and/or as expansion agent, and as additional acid donor, these coating compositions contain ammonium salts of alkyl phosphates.
Pirig Wolf-Dieter
Scholz Guido
Clariant Gmbh
Fetherstonhaugh & Co.
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