Claims
- 1. A process for imparting flame retardance to cellulosic textiles, comprising:
- a. impregnating a cellulosic textile with a chemical formulation containing a quantity of tris(hydroxymethyl)phosphine cyanamide 2:1 adduct with sufficient quantity of an organic containing compound selected from the group consisting of polyvinyl bromide, brominated triallyl phosphate, and tris(2,3 dibromopropyl)phosphate to yield an adduct to brominated substance ratio of about 1 part by weight to 8 parts by weight,
- b. drying the wet impregnated textile at about from 60.degree.C to 125.degree.C for about from 2 to 15 minutes, and
- c. curing the dried textile at about from 125.degree.C to 170.degree.C for about from 2 to 15 minutes.
Parent Case Info
This application is a continuation-in-part of Ser. No. 265,862, filed June 23, 1972, now U.S. Pat. No. 3,915,915, patented Oct. 28, 1975 which in turn is a continuation of Ser. No. 141,357 filed May 7, 1971 (now abandoned).
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
3698854 |
Donaldson et al. |
Oct 1972 |
|
3883463 |
Jin et al. |
May 1975 |
|
Continuations (1)
|
Number |
Date |
Country |
Parent |
141357 |
May 1971 |
|
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
265862 |
Jun 1972 |
|