Aminomethanephosphonic acid aryl esters, a process for their...

C - Chemistry – Metallurgy – 07 – F

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402/3, 400/7080,

C07F 9/547 (2006.01) C07F 9/6521 (2006.01) C08G 85/00 (2006.01) C08J 3/24 (2006.01) C08K 5/5373 (2006.01) C09K 21/14 (2006.01)

Patent

CA 2027095

ABSTRACT OF THE DISCLOSURE Aminomethanephosphonic acid aryl esters of the formula Image in which R1 is an aromatic radical and R2, R3, R4, R5 and R6 independently of one another represent hydrogen atoms, Image groups, an optionally substituted C1-10 alkyl radical or an optionally substituted aromatic ring, or salts thereof. These aminomethanephosphonic acid aryl esters are useful as flameproofing agents in foams, thermoplastics and thermosets and as a crosslinking component in oligo- and polycondensates based on monomers containing hydroxy groups. Le A 27 168

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