| 摘要 |
The invention is directed to a phosphonate composition having flame retardant properties. The phosphonate composition of the invention has the general formula (I): wherein R1 and R2 are independently CI-C4 alkyl, R3 is H or C1-C4 alkyl, and R4 is linear or branched C9-C22 alkyl, C9-C22 cycloalkyl, C9-C22 aryl or C9-C22 aralkyl and n=0 or 1. The invention is also directed to a method of producing the phosphonate composition having flame retardant properties.
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