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US 2004/0176506 A1Published application
Fusible zinc phosphinates
AssigneeClariant GmbH
InventorsMartin Sicken, Elke Schlosser, Wolfgang Wanzke, Detlef Burghardt
Life of this patent
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Abstract
The invention relates to novel fusible zinc phosphinates of the formula (I) and/or polymers thereof 1 where R1 and R2 are identical or different, and are hydrogen, C1-C6-alkyl, linear or branched, and/or aryl, which have a melting point below 250° C. The invention further relates to a process for preparing these zinc phosphinates, and also to their use as flame retardants in thermoplastics and in moldings, films, filaments, fibers, woven materials, or knitted materials produced therefrom.
Claims19
A zinc phosphinate of the formula (I) and/or a polymer thereof,
- 3
- where R1 and R2 are identical or different, and are hydrogen, C1-C6-alkyl, linear or branched, and/or aryl, which has a melting point below 250° C.
Dependencies are inferred from the claim text.