| 摘要 |
Aluminum salts of phosphinic acid or diphosphinic acids having alkyl and/or aryl substitutes, obtainable by heating an ester of the corresponding phosphinic acids or diphosphinic acids with aluminum hydroxide at a temperature of more than 150° C. under pressure in the presence of water, are distinguished by a particular crystal structure and are suitable as flameproofing agents for plastics.
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