Title:
ACETOACETAMIDE POST - TREATMENT OF FLAME - RETARDANT TEXTILE MATERIAL
Document Type and Number:
WIPO Patent Application WO/2013/092842
Kind Code:
A3
Abstract:
The invention provides the use of acetoacetamide or an N-alkylated derivative thereof as a post treatment agent to reduce formaldehyde levels in a textile material that has undergone a flame-retardancy treatment, wherein the derivative is either mono- or di- substituted and the or each alkyl substituent is independently a C1-3 alkyl group. Also provided is a method of treating textile material to obtain a textile material having flame-retardant properties whilst having low formaldehyde levels, the method comprising the steps of: providing a textile material that has undergone a flame- retardancy treatment; impregnating the material with a post-treatment agent which is acetoacetamide or an N-alkylated derivative thereof, wherein the derivative is either mono- or di- substituted and the or each alkyl substituent is independently a C1-3 alkyl group; and drying the material.
Inventors:
HICKLIN ROBERT (GB)
HAND GEOFFREY (GB)
HAND GEOFFREY (GB)
Application Number:
PCT/EP2012/076356
Publication Date:
October 24, 2013
Filing Date:
December 20, 2012
Export Citation:
Assignee:
RHODIA OPERATIONS (FR)
International Classes:
D06M13/402; A41D31/00; C08G79/06; C09K21/12; D06M15/43; D06M15/431; D06M15/667; D06M15/673; D06M101/04
Foreign References:
| US20110092119A1 | 2011-04-21 | |||
| FR2960564A1 | 2011-12-02 |
Other References:
DATABASE WPI Week 201145, Derwent World Patents Index; AN 2011-F53230, XP002712132
Attorney, Agent or Firm:
JOHNSON, Yvonne C (100 Hagley Road Edgbaston, Birmingham West Midlands B16 8QQ, GB)
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