Flame retardant-smolder resistant textile backcoating
AssigneeStauffer Chemical Company
InventorGeorge J. Leitner
Life of this patent
Estimating the term…
Abstract
The invention provides a process for rendering textiles or barrier fabric material flame retardant and smolder resistant with a flame retardant and smolder resistant composition comprised of an aminophosponate ester in combination with a thermosetting, nitrogen-containing resin and preferably a reactive elastomeric latex.
Claims12
A flame and smolder resistant textile article having a cured composition backcoated thereon, said composition comprising an effective amount of an amino-phosphonate ester of the formula:
- ##STR8## in combination with a thermoset-nitrogen containing resin and a reactive latex copolymer compound wherein R is an alkyl, hydroxyalkyl or haloalkyl radical containing from 1 to 3 carbon atoms, R.sub.1 and R.sub.2 are alkyl radicals containing 1 to 6 carbon atoms or hydrogen, R.sub.3 which may be the same or different is an alkyl, hydroxyalkyl, haloalkyl, alkoxyalkyl, or hydroxyalkoxyalkyl radical containing from 1 to 6 carbon atoms, the terminus of an alkylene forming a six-membered ring or halogenated analog, the terminus of an alkylene or alkyleneoxylalkylene bonded to a like phosphorus ester group, hydroxypolyoxyalkylene or hydroxy-substituted analogs thereof, n is an integer from 0-1 and m is an integer of 1-2.
A method of rendering textile material flame and smolder retardant comprising backcoating the material with a composition containing a thermosetting nitrogen-containing resin and a reactive latex copolymer compound in combination with an effective amount of an amino phosphonate ester having the formula:
- ##STR14## wherein R is an alkyl or hydroxyalkyl radical containing from 1 to 2 carbon atoms, R.sub.1 and R.sub.2 are alkyl radicals containing 1 to 6 carbon atoms or hydrogen, R3 which may be the same or different is an alkyl, hydroxyalkyl, haloalkyl, alkoxyalkyl, or hydroxyalkoxyalkyl radical containing from 1 to 6 carbon atoms, the terminus of an alkylene or alkyleneoxyalkylene bonded to a like phosphorus ester group, hydroxypolyoxyalkylene or hydroxy-substituted analogs thereof, n is an integer from 0-1 and m if an integer of 1-2.
Dependencies are inferred from the claim text.