NOVEL DERIVATIVES OF PHOSPHONALCANE POLYCARBOXYLIC ACIDS AND THEROF

摘要

The present invention relates to the use of an alkanepolycarboxylic acid derivative of the following general formula (I) as a cellulose crosslinking agent, a textile processing agent and a novel derivative (I) containing the same.;Wherein n and m are 0 or 1 as the same or different,;R ₁ , R ₃ , R ₅ and R ₇ represent a hydrogen atom or a carboxyl group, provided that at least two of the substituents R ₁ , R ₃ , R ₅ and R ₇ are carboxyl groups,;R ₂ , R ₄ , R ₆ and R ₇ represent a hydrogen atom or a -PO (OH) (OR) group, wherein R is a hydrogen atom or a C ₁ -C ₄ alkyl group, provided that the substituent R ₂ , Only one of R ₄ , R ₆ and R ₈ is a —PO (OH) (OR) group.