Composition for imparting flame retardant properties to textile materials

 

(57) Abstract:

Use: textile finishing production to give the textile material flame retardant properties and resistance to burning sparks. The inventive composition contains, g/l: diammonium phosphate 115-120; urea 160-170 and water up to 1 l with mass ratio, urea, diammonium phosphate 1:1,33 is 1.48. Properties of cotton fabric code 7354 after treatment: resistance to burning GOST 124052-78 60,4-65,3, abrasion resistance according to GOST 18976-73 7600-8500 cycles. table 1.

The invention relates to the textile industry, namely, technology flame retardant finishing of textiles used for clothing welders, steel workers, firefighters, etc.

Known composition [1] for flame-retardant finishing of textile materials, containing, g/l: dicyanamide 40-70; phosphoric acid or diammonium phosphate 50-90; urea 180-210; preparation apamin-06 based on the polycondensation product of epichlorohydrin with ethylene glycol and Diethylenetriamine 80-110; 2,4,6-tribromoaniline 20-60; dispersant 2-6; water to 1 l

However, this composition roads and does not allow to increase the resistance of the fabric to the fast and simultaneous improvement of physico-mechanical result is a composition for making cellulose-containing textile material of fire resistance in the form of an aqueous solution of diammonium phosphate with a concentration of 125 g/l and urea with a concentration of 250 g/l [2]

However, the treatment of textile materials this structure also does not allow to achieve the required performance flame retardant properties while improving physical and mechanical properties of the processed material.

The aim of the invention is to increase the resistance of textile materials to the fast and improve their physical and mechanical properties.

This is achieved by a composition for imparting flame retardant properties to a textile material containing diammonium phosphate, urea and water, and according to the invention the composition contains diammonium phosphate and urea at a mass ratio of urea, diammonium phosphate 1:1,33 is 1.48 and the following content of components, g/l: diammonium phosphate 115-120; urea 160-170; water the rest up to 1 l

The composition according to the invention can be used to impart flame retardant properties to textile materials of cellulose fibers and from a mixture of cellulose fibers with synthetic.

The invention is illustrated in the examples.

Example 1. Cotton fabric code 7354, impregnated with the aqueous composition containing the diammonium phosphate 115 g/l and urea 160 g/l (mass ratio, urea, diammonium phosphate 1:1,39). The impregnation is carried out at 35-40emperature drying 35-40oC.

Example 2. Analogously to example 1 are impregnated fabric article 7354 aqueous composition containing, g/l: diammonium phosphate 120, urea 170 (mass ratio of urea, diammonium phosphate 1:1,42).

Example 3. Analogously to example 1 are impregnated flax-containing fabric article 11298 composition containing, g/l: diammonium phosphate 115, urea 160 (mass ratio of urea, diammonium phosphate 1:1,39).

Example 4. Analogously to example 1 are impregnated fabric article 11298 aqueous composition containing, g/l: diammonium phosphate 120, urea 170

The properties of the finished material presented in the table.

Analysis of the data presented in the table shows that the joint use of diammonium phosphate and urea can increase the resistance of fabric to burning and to reduce the rate of stiffening of the tissue during processing composition according to the invention. Simultaneously with the change of these two main indicators, respectively, and improve other physical and mechanical properties of fabrics.

Tests conducted by the limit values of concentration of diammonium phosphate and urea in the composition, allow the conclusion that increasing the concentration of diammonium phosphate to 120 g/l and above, the increase is about 115 g/l and below, respectively, the exponents of resistance to burning.

Composition for imparting flame retardant properties to textile materials containing diammonium phosphate, urea and water, characterized in that it contains diammonium phosphate and urea at a mass ratio of urea, diammonium phosphate 1 1,33 1,48 and the following content of components, g/l:

The diammonium phosphate 115 120

Urea 160 170

Water the Rest up to 1 l

 

Same patents:

The invention relates to textile finishing production, namely technology special finishing of textile materials, in particular fabrics, designed for sewing clothing workers - welders

FIELD: inorganic chemistry, aluminum silicates, composition for fireproofing of building and construction materials.

SUBSTANCE: invention relates to water resistant aluminum silicate with softening temperature more than 900°C for fireproofing of wood, polymer, and other building and construction materials. Water resistant aluminum silicate has general formula of Na2O*kSiO2*nAl2O3*pP2O5*rMA*mH2O, 1, wherein k = 3.25-11.5; m = 3.5-12; n = 0.052.7; p = 0-0.1; r = 0.3.5; M is K, Ca2+, Mg2+, Zn2+, 1/2Ti4+; A is Cl-, O2-, SO42-, CO32-. Aluminum silicate represents hardening product of water dispersion containing 1) sodium silicate of general formula Na2O*xSiO2*yH2O, 2, wherein x = 2.9-3.1; y = 17-22; 2) cross-linking agent based on alkali soluble silicium and/or aluminum compound; 3) at least one a) hardening agent (alkali soluble zinc, titanium, magnesium and/or calcium oxide (hydroxide)); b) opener; c) filler (e.g. kaolin, chipped glass fiber, milled sand, etc.); d) modifier in the next component ratio (mass %): sodium silicate 31-83.8, preferably 58-75; alkali soluble silicium compounds 0.05-39.2, preferably 10-15; alkali soluble aluminum compounds 0.4-26, preferably 5-8; hardening agent 0.74-19.9, preferably 3-8; opener 0.013-9.7; filler 1.9-33, preferably 5-15; modifier 0.01-6.3, preferably 0.35-0.75.

EFFECT: composition for production of non-cracked coating with low thermal conductivity and increased fire resistance.

28 cl, 116 ex, 52 tbl

FIELD: synthesis of phosphorus-containing derivatives of organic compounds.

SUBSTANCE: invention relates to method of preparing polyphosphates of organic compounds, to mixture of polyphosphates of organic nitrogenous bases, and to use of polyphosphates and mixture of polyphosphates as fire retardants for plastics, preferably thermoplastics and, more particularly, polyamides and polyesters. Polyphosphates of organic compounds are prepared via exchangeable decomposition of mixture of phosphorus pentoxide and at least one organic nitrogenous base with a compound releasing water when decomposed under reaction conditions, the latter compound being used in such molar proportion that water would release in amount corresponding to essentially two moles of water per one mole of phosphorus pentoxide. Water-releasing compound can be compound forming, along with water, only volatile decomposition products and this compound can be selected from group including anhydrous oxalic acid, oxalic acid dehydrate, and formic acid. Exchangeable decomposition reaction is conducted at 100 to 250°C. Mixture of polyphosphates of organic nitrogenous bases is characterized by following properties: when heated to 320°C it looses less than 2% of its mass; pH value of its 10% water suspension exceeds 5 at 25°C, preferably from 5.2 to 7.7 and, more preferably, from 5.8 to 7; its solubility in water is less than 0.1 g and preferably less than 0.01 g per 100 mL water.

EFFECT: expanded synthetic possibilities.

6 cl, 5 ex

FIELD: chemistry.

SUBSTANCE: invention refers to constructional composites based on ultra-high molecular polyethylene (UHMPE), used in industrial production of fire-resistant multipurpose products with compaction method. Fire-resistant material contains powdered ultra-high molecular polyethylene of powder particle size 20-50 microns and molecular weight within 1.0 million to 25.0 million, and ammonium polyphosphate of powder particle size not exceeding 10 microns and degree of polymerisation not less than 1200. Material is made by stirring the mixed powdered UHMPE and ammonium polyphosphate in ratio as follows, wt %: ultra-high molecular polyethylene - 80, ammonium polyphosphate - 20.

EFFECT: produced fire-resistant material is characterised with fire resistance "ПВ"-0 and ensures reduced degree of flammability of constructional composites.

1 tbl, 1 ex

FIELD: chemistry.

SUBSTANCE: composition for fire-proof treatment of synthetic fibres contains the following in pts. wt: methylphosphite borate 20.0-35.0, water 65.0-100.0, ammonia 15.0-25.0, polyacrylamide 15.0-25.0 and potassium persulphate 0.5-1.5.

EFFECT: high fire-resistance, strength, resistance to thermal-oxidative decomposition and endowing synthetic fibre with high strength of binding with isoprene rubber.

2 tbl, 6 ex

FIELD: chemistry.

SUBSTANCE: composition consists of 1 part citrate ion source per 12.7-20 parts ammonium phosphate and 0.8-2.2 parts benzoate ion source. Alternatively, the composition consists of 1 part citric acid per 12.7-20 parts ammonium phosphate and 0.8-2 parts sodium benzoate.

EFFECT: composition can be granular or liquid with further addition of water and ingredients which are not harmful to humans and the environment.

17 cl

FIELD: chemistry.

SUBSTANCE: composition for fire-proof treatment of polyether fibres contains the following in pts.wt: phosphorus-boron-containing methacrylate 45.0, water 55.0, ammonia 8.0, sodium persulphate 0.225-0.45 and ground 23KNTS polycaproamide fibre 0.045-0.225.

EFFECT: high fire-resistance, strength, adhesion to chloroprene rubber.

2 tbl, 5 ex

FIELD: chemistry.

SUBSTANCE: invention relates to fire- and bioprotective preparations for wood and wood-based materials. The preparation for protecting wood and wood-based material from fire contains a solvent - water, boric acid, diammonium phosphate and amino alcohol of general formula: (CnH2n+1)k NH3-(k+m) (CnH2nOH)m, where: n, m=1-3, k=0-2, k+m≤3.

EFFECT: obtaining a preparation with high fire-protective efficiency and protective capacity with respect to the most common mould and wood-staining fungi.

5 tbl

FIELD: chemistry.

SUBSTANCE: present invention relates to a low-flammability moulding composition based on polypropylene as well as fibre and a film made from said composition.

EFFECT: invention reduces flammability of polypropylene without deterioration of physical and mechanical properties of the obtained low-flammability polypropylene granulate as well as articles based thereon.

3 cl, 1 tbl

FIELD: chemistry.

SUBSTANCE: fire retardant contains at least ammonium polyphosphate(s) and/or derivatives thereof, an oligomer or polymer derivative of 1,3,5-triazine or mixtures of several such derivatives and at least one compound selected from zinc dihydroorthophosphate, zinc borate, zinc orthophosphate, zinc pyrophosphate, zinc polyphosphate, zinc hydroxystannate, zinc stannate, boron phosphate, aluminium dihydroorthophosphate, aluminium orthophosphate, aluminium metaphosphate and mixtures thereof. The fire retardant can contain pre-condensed malamine derivatives, melamine salts and adducts thereof, ethylenediamine phosphate, piperazine phosphate, perazine polyphosphate, 1,3,5-trihydroxyethylisocyanurate, 1,3,5-triglycidylisocyanurate and triallylisocyanurate. The invention also relates to a polymer material, specifically a thermoplastic elastomer containing said fire retardant in amount of 5-25 wt %, preferably 10-25 wt %. The fire retardant has low water-solubility, decomposes at higher temperatures and can be used in smaller concentrations with high fire retarding action at the same time.

EFFECT: polymer material containing the fire retardant has improved physical and chemical properties, high fire-resistance and water-resistance.

14 cl, 3 tbl, 14 ex

FIELD: chemistry.

SUBSTANCE: invention relates to a polymer material, particularly a thermoplastic elastomer, which contains a halogen-free fire-retardant which is included in a polymer matrix. The fire-retardant contains (A) coated ammonium polyphosphate(s) in a crystalline modification II and/or derivatives thereof and (B) an oligomer or polymer derivative of 1,3,5-triazine or mixtures of several such derivatives. The fire-retardant also contains at least one compound selected from (C) phosphates, pyrophosphates, polyphosphates, organic and inorganic phosphonates and phosphinates, stannates, molybdates or borates of elements of main subgroups II, III, IV or elements selected from Fe, Zn, Ti, Mn, Zr, Mo and (D) pre-condensed malamine derivatives, melamine salts and adducts thereof, ethylenediamine phosphate, piperazine phosphate, piperazine polyphosphate, 1,3,5-trihydroxyethylisocyanurate, 1,3,5-triglycidylisocyanurate and triallylisocyanurate. The weight ratio of component A to component B ranges from 10:1 to 1:1 and content of components A and B together ranges from 60 to 99 wt %, and content of components C and D together ranges from 1 to 40 wt % of the total weight of components A, B, C and D. Content of chlorine in component B is less than 1 wt % and/or content of chlorine in the entire polymer material is less than 1500 ppmw.

EFFECT: fire-retardant can be used in lower concentrations with high fire-retardant action, has low water-solubility and decomposes at higher temperatures compared with existing fire-retardants.

13 cl, 3 tbl, 11 ex

FIELD: chemistry.

SUBSTANCE: polyacrylonitrile fibre is saturated with a mixture containing monomers of para-phenolsulphonic acid with formalin in dispersed graphite. Resin is then synthesised on the surface and in the structure of polyacrylonitrile fibre for 30 minutes and then moulded at pressure 0.1 MPa. The components are in the following ratio in pts.wt: polyacrylonitrile fibre: mixture of monomers: dispersed graphite = 1:15:0.5-1.5.

EFFECT: invention enables to obtain a polymer moulding material with ion-exchange properties and low electrical resistance.

2 tbl, 3 ex

FIELD: textiles, paper.

SUBSTANCE: invention relates to the waterproof air permeable (WAP) fabric and method of manufacturing this fabric. According to the method the first side of the fabric is covered with WAP membrane, at that one side of the membrane is left open. The processing agent is applied on the covered fabric, and thermofixation of the treated fabric is carried out. The processing agent can contain at least one compound of the hydrophobic and oleophobic compounds.

EFFECT: invention provides the fabric protection from contamination based on water and oil.

26 cl, 2 dwg, 1 tbl

FIELD: metallurgy.

SUBSTANCE: invention refers to metallised coatings. A manufacturing method of a metallised textile surface differs by the fact that (A) composition that contains at least one metal powder (a) is applied as a pattern or a solid layer, (B) one more metal is deposited onto textile surface, (C) one more layer that contains carbon in soot modification, or carbon nanotubes, or graphene is applied. Besides, the invention proposes use of metallised surfaces, textile materials made by means of the proposed method, a metallised flat material and a water print composition.

EFFECT: invention allows manufacturing metallised textile materials and other metallised substrates, which do not form any hot spots at continuous load.

16 cl, 1 dwg

FIELD: chemistry.

SUBSTANCE: invention relates to a coated reinforcing member, which enables to obtain a fibre-reinforced product, particularly using an infusion method. A composition made from a solid resin and carbon nanotubes is deposited on a reinforcing member, selected from fibres, moulded fibres, nonwoven materials, knitted fabric and mats with ordered fibres and/or fabrics. The composition is heat treated at temperature higher than the melting point or glass transition range but lower than the crosslinking temperature, optionally, of a self-crosslinked solid resin. The composition is fixed on the surface of the reinforcing member. Described also is a method of making a fibre-reinforced product using the coated reinforcing member and use of the coated reinforcing member to make products for industrial purposes, for making wind turbine blades, for use in motor car construction, sports products and when making boats.

EFFECT: improved transverse tensile strength and failure viscosity of the fibre-reinforced product made using an infusion method.

12 cl, 1 ex

Up!