Process for stabilizing hypophosphite salts

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United States of America Patent

PATENT NO 8883901
SERIAL NO

13392304

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The current invention relates to a process for stabilizing a hypophosphite salt, comprising the step of heating the hypophosphite salt at a temperature of between 150 and 370° C. during a sufficient period of time to prevent the formation of a dangerous quantity of phosphine in their application as FR in polymers and a flame retardant polymer composition comprising a polymer and 0.1 to 30 weight percent based on the total weight of the composition of the hypophosphite salt thermally stabilized by the above process.

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Patent Owner(s)

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RHODIA (CHINA) CO LTDSHANGHAI 201108

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
De, Campo Floryan Shanghai, CN 26 52
Li, Junli Shanghai, CN 46 593
Murillo, Annelyse Shanghai, CN 5 10
Zhang, Tingting Shanghai, CN 71 192

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