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US 11,628,589 B2Granted
Mixtures of ammonium polyphosphate and at least one soluble ionic compound containing sulfate and/or is capable of releasing sulfate ions
AssigneeClariant International Ltd.
InventorAndreas Termath
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Abstract
The invention relates to mixtures containing, as component (A) ammonium polyphosphate and, as component (B) a soluble ionic compound which contains sulfate and/or is capable of releasing sulfate ions. The invention also relates to a method for producing such mixtures and to the use thereof.
Claims15
An intumescent formulation for a fire protection coating, comprising a mixture of:
- as component (A) ammonium polyphosphate;
- and
- as component (B) lithium sulfate, magnesium sulfate, calcium sulfate, barium sulfate, iron (III) sulfate, iron (II) sulfate, titanium sulfate, cerium sulfate, melamine sulfate, urea sulfate, ammonium sulfate or a mixture thereof,
- wherein the mixture has a water solubility of less than 0.5 (10% suspension in water at 25° C.),
- wherein the mixture comprises 99.55 to 99.99% by weight of component (A);
- and 0.01% to 0.45% by weight of component (B), and
- wherein the sum total of the components is 100% by weight.
4 more elements
Dependencies are inferred from the claim text.