Process for the flameproofing of textile materials

Details Process for the flameproofing of textile materials Process for the flameproofing of textile materials

1975-10-10

1978-02-07

Smith, Ronald H.

Coating processes

With post-treatment of coating or coating material

Heating or drying

106 15FP, 252 81, 260 306R, 260DIG24, 427394, 428272, 428276, B05D 302

Patent

active

040727769

ABSTRACT:
A process for the flameproofing of fiber material, which comprises applying (meth-)acrylic acid-alkyl-esters of the general formula ##STR1## in which n and m are 0 or 1 and (n+m) are 0 or 1, and R.sub.1 stands for a saturated or unsaturated aliphatic hydrocarbon radical having from 1 to 8, preferably from 1 to 4 carbon atoms, which radical may also be substituted, preferably mono-substituted, by chlorine, bromine, the nitrile group, or the radicals --OR.sub.4 or --COOR.sub.4, R.sub.2 has the same meaning as R.sub.1 and -- for n= 0 and m= 1 -- may also be a group of the formula ##STR2## Z, Z.sup.1, Z.sup.2 represent straight-chain or branched (C.sub.1 -C.sub.3)-alkylene radicals which may also be substituted, preferably mono-substituted, by chlorine, bromine or the hydroxy group, X stands for a hydrogen, a chlorine or a bromine atom, a hydroxy or a methyl group, R.sub.3 represents a hydrogen atom or a methyl group, and R.sub.4 is a hydrogen atom or an alkyl group having from 1 to 8 carbon atoms, and R.sub.5 is a hydrogen atom, the methyl or the chloromethyl group, onto the fiber material, the said (meth-)acrylic acid-alkyl-esters being dissolved in an inert solvent, and subjecting the latter substances to a polymerization by using radicals.

REFERENCES:
patent: 3695925 (1972-10-01), Weil
patent: 3817779 (1974-06-01), Golborn
patent: 3830769 (1974-08-01), Ray-Cahudhuri et al.
patent: 3854989 (1974-12-01), Golborn
patent: 3855359 (1974-12-01), Weil

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