Flame retardant treatment of cellulose fabric with crease recovery: tetra-kis-hydroxy-methyl phosphonium and methylolamide
US5135541A · kind A · utility
9Cited by
5References
16Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 21, 1990 |
| Grant date | Aug 4, 1992 |
| Priority date | — |
| Expiry date | Sep 21, 2010 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06M15/43
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Flame retardant cellulosic fabrics having reduced shrinkage are obtained by treatment of fabric with a tetrakis hydroxymethyl phosphonium compound or condensate and then curing with ammonia, followed by treatment involving reaction of the fabric with a non self-condensing methylolamide under aqueous acid conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.