Method of preparing phosphorus-containing flame retardants and their use in polymer compositions

Flame retardant material comprising a compound of empirical formula (III)wherein R is H, an alkyl, aryl, alkylaryl, or arylalkyl group;M is a metal and y is 3, such that M(+)y is a metal cation where (+)y represents the charge formally assigned to the cation;a, b, and c represent the ratio of the co...

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Bibliographische Detailangaben
Hauptverfasser:	Lee, Julia Yue, Sharma, Ramesh, Bonyhady, Simon J, He, Qingliang
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	Flame retardant material comprising a compound of empirical formula (III)wherein R is H, an alkyl, aryl, alkylaryl, or arylalkyl group;M is a metal and y is 3, such that M(+)y is a metal cation where (+)y represents the charge formally assigned to the cation;a, b, and c represent the ratio of the components to which they correspond relative to one another in the compound, and satisfy a charge-balance equation 2(a)+c=b(y); and a and c are not zero. The presently disclosed flame retardants are useful, for example, in polymer compositions, particularly thermoplastics processed at high temperatures, over a wide range of applications.