SU391783A1 - METHOD OF FIREPROOF DECORATION OF TEXTILE CELLULOSE CONTAINING MATERIAL - Google Patents

Description

The invention is attributed to textile finishing production, in particular to the technology of flame retardant finishing of textile cellulose-containing material.

There is a method of flame retardant finishing of textile cellulose-containing material by impregnating it with an aqueous solution of a mixture of gry- (1-aziridinyl) phosphinocoid, primary organic amide and ammonium salt, followed by squeezing the material until weight is 60-8СР / 0, drying and braking at 120-160 ° C. However, the effect of finishing is not sufficiently stable. To, can be treated.

The purpose of the invention is to increase the resistance of the finish to wet treatments.

To achieve this goal, it is proposed to use cyanamide as the primary organic amide with the following proportion of the components of the aqueous solution, g / l:

tr and s-1 (1 - a 3 Ir I1D in and l)

phosphine oxide100-200

Cyanamid25-80

Ammoium salt 25-75,

and it is desirable to use the ammonium salt of phosphoric, nitric, sulfuric, or sulfamic acids.

The fire retardant finish of the textile material according to the proposed method is carried out as follows. A textile material, partially LRL, is predominantly completely composed of cellulosic fibers, is processed. The material is impregnated with an aqueous solution of a mixture of

100-20 g / l g "of c- (1-aziridinyl) phosphine oxide, 25-80 g of l of cyanamide and 25-75 g / l of ammonium salt. To stabilize, the pH of the aqueous solution is adjusted to 5.5-8.5. predominantly 7-8, by adding ammonia solution or acid solution. After impregnation, the material is squeezed out to 60-80% of the air mass, it is dried at 80-120 ° C, and then heat treated at 120-160 ° C.

The resistance of the fabric finish to wet processing in the examples given was determined by washing it in a washing machine

Neum treatment with water with the addition of 2 g / l detergent at 95 ° С and a module

baths 1:15 for 47 minutes;

triple washing with flowing cold water for 2–3 min, with final centrifugation for 1 min;

drying the fabric at room temperature: fire test according to TU DU No. 53906.

The fire resistance of the fabric is expressed by the ratio of the duration of burning in seconds

to the duration of decay in seconds.

Hip im er 1. A cotton atlas sample weighing 280 g / m is impregnated with water ipacTieapoM, prepared with g / l: cyanamide 40, TUS1 "c- (1-az | ridiyl) phosphonic oxide 150 and diammonium phosphate 40; dried at 110 ° C and heat treated at for 5 lshk. After 20 foldings under the specified conditions, the tissue sample does not burn or smolder.

Example 2. A sample of the cotton molesKIN weighing 220 g / m is impregnated with a water solution containing, g / l: cyaamy 50, dia. phosphate 30. and tris- (1-aziRIDI. UNIL) phosphorus “01 oxide 100, squeeze to yOVo weight gain, dry ori 80 ° C for 15 minutes and heat treat at 155 ° C for 5 minutes. The fire resistance of the fabric after 10 washes is equal to O / O, and after 15 washes it is 1/0.

EXAMPLE 3. A sample of cotton muslin weighing 150 e1m is impregnated with an aqueous solution containing, g / l: cyanamide 25, triammonium phosphate 30 and (1-aziridinyl) phosphine oxide 175, squeezed to 75% grrives, dried at 120 ° C and thermally treated for 5 min at 160 ° C. Fire resistance of textiles after 20 washes of ravia O / O.

Example 4. A sample of cotton twill weighing 240 g / l is impregnated (with a water solution containing, g1l: cyanamide 50, ammonium sulfamate 50 and t / 7y, c- (1-aziridonyl) phosphine oxide 125, squeeze to 75% gain, dried at 105 ° C and tar-processed at 150 ° C for 5 minutes Fire resistance of the fabric after 25 sprays is equal to O / O, and after 30 washes 2/0.,.

Prlmer 5. A sample of decorative cotton and chat paper weights of 220 g / w drink an aqueous solution containing: g / l: cyanamide 75, diammonium phosphate 50 and tris {1-aziriylindin1Il) 1phosphI1NO Xid 175, squeeze to 75% gain; , dried P1ri 105 ° C and TCipMoo process at 155 ° C for 5 minutes. Og. The instability of the fabric after 20 washes is O / O. .

Example 6. A sample of 180 g1m cotton poplin is impregnated with an aqueous solution containing, g / l: dianamide 50, ammonium nitrate 25 and tr "c- (1-aziridyl).

(xsd 200, wrung out to. at-e-esa, dried at 105 ° C and heat treated at 155 ° C. For 5 minutes. After 20 spirits, the fabric does not smolder and does not burn.

Example 7. A sample of canvas with a weight of 200 g 1m is impregnated with an aqueous solution containing, g / l: cyanamide 50, ammonium sulfate 75 and tris {1-aziridiyl) phosphine oxide 175, wring out to 75% gain, dried at 120 ° C and thermally processed at 155 ° C 5 min. The fire resistance of the fabric after 20 washes is O / O.

Example 8. A sample of cotton twill, weight: 230 g / m, is impregnated with an aqueous solution containing, g1l: cyanamide 50, diammonium phosphate 80 and gras- (1-aziride INil) phosphine oxide 140, wring out to 75% gain, dried at 110 ° С and heat treated at 160 ° C for 5 minutes. Flame retardant fabric after 20 years O / O.

A similar result is obtained when replacing diammonium f | 0fate with an equal amount of ammonium sulfate.

Subject invention

Claims (2)

1. A method of flame retardant finishing of textile cellulose-containing material by proplating it with an aqueous solution of a mixture of tris- (1-aziridinyl) phosphine oxide, primary organic amide and ammonium salt, followed by squeezing the material to a gain of 60-80%, drying by heat treatment at 120-160 ° C, characterized in that, in order to increase the resistance of the finish to wet processing, cyanamide is used as the primary orthyntamide with the following quantitative correlation of the aqueous solution components, g / l: tr "s- (1-aziridinyl). . f: 0 finose 100-200 Cyanamid25-80 Ammonium salt 25-75 2. A method according to claim 1, characterized in that an ammonium salt of phosphoric, nitric, sulfuric or sulfamic acid is used.