公开(公告)号：US20200277729A1

公开(公告)日：2020-09-03

申请号：US16061037

申请日：2016-12-08

Applicant: RHODIA OPERATIONS

Inventor： Geoffrey HAND ,  John DAVIS ,  Gary WOODWARD

IPC: D06M15/673 ,  D06M13/285 ,  D06M13/432

Abstract: The instant invention relates to a composition useful as a precursor for imparting flame-retardant properties to textile articles, comprising a condensate of: (a) a tetrakis (hydroxyorgano) phosphonium sulfate THPS; (b) urea, or alternatively thiourea; (c) optionally, and preferably, an aliphatic hydroxyl-reactive compound, such an amine wherein said composition has a very low free formaldehyde content, namely of less than 0.1%.