Process for flameproofing organic fiber materials by the transfe

Details Process for flameproofing organic fiber materials by the transfe Process for flameproofing organic fiber materials by the transfe

1974-06-18

1976-11-23

Lusignan, Michael R.

Stock material or miscellaneous articles

Fire or heat protection feature

Fire or flameproofing

8 25A, 101470, 427248R, C23C 1100, C09K 328

Patent

active

039938522

ABSTRACT:
New phosphorus compounds are provided which correspond to the formula ##EQU1## wherein R.sub.1 and R.sub.2 each denote alkyl with 1 to 6 carbon atoms, X denotes alkylene with 1 to 4 carbon atoms and A denotes phenyl substituted by hydroxyl, alkoxy with 1 to 4 carbon atoms, alkoxy carbonyl with 2 to 5 carbon atoms, phenyl or halogen and n is 1 or 2. These compounds are useful as flameproofing agents for organic fiber material, especially for polyamide, polyacrylonitrile or linear polyester fibers, when applied according to the dry thermal transfer process.

REFERENCES:
patent: 3559317 (1971-02-01), Knight et al.
patent: 3645936 (1972-02-01), Gardner
patent: 3650820 (1972-03-01), DiPietro et al.
patent: 3660582 (1972-05-01), DiPietro et al.
patent: 3666402 (1972-05-01), Meyers et al.
patent: 3707346 (1972-12-01), Markert et al.
patent: 3715310 (1973-02-01), Butcher
patent: 3915628 (1975-10-01), Bossard et al.

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