PROCESSO PARA A PREPARACAO DE ESTERES DE ACIDO FOSFORICO OU MISTURAS DE ESTERES DE ACIDO FOSFORICO DE POLIOIS E SUA UTILIZACAO

Preparation of phosphoric acid ester optionally mixed with polyol comprises reacting polyol with phosphorous pentoxide, comprises ester reaction of the phosphorous pentoxide suspended in esters or ester mixtures at 20 - 180 C, with addition of polyol and optionally water. The ester reaction goes to...

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Hauptverfasser: KLAUS SOMMER, KARL GOETZMANN, HANS-DIETER NAEGERL
Format: Patent
Sprache:por
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Zusammenfassung:Preparation of phosphoric acid ester optionally mixed with polyol comprises reacting polyol with phosphorous pentoxide, comprises ester reaction of the phosphorous pentoxide suspended in esters or ester mixtures at 20 - 180 C, with addition of polyol and optionally water. The ester reaction goes to completion and the product is obtained. An INDEPENDENT claim comprises the use of the product for flame stable finishes, especially laminates, fixed with a binder.