Use of particles consisting of core and shell, for giving property of resistance to wicking of thread or textile material

FIELD: textiles, paper.

SUBSTANCE: invention relates to the use of particles consisting of a core and a shell for coating the thread or textile material with them, to restrain or prevent wicking of water into the said thread or textile material. The particles are described, consisting of a core and a shell, for restraining or preventing the wicking of water into the thread or textile material, where the said particles have an average diameter of 10-300 nm and a mean-square deviation σ which is at least 10% of the average value, in which the shell of the particle consisting of a core and a shell comprises a copolymer of a vinyl aromatic monomer and a maleimide monomer with a glass transition temperature Tg of from 120 to 220°C. Also the thread or the textile material is described, containing aramid threads provided with a finish preparation containing diglyceride or triglyceride obtained from glycerol which is esterified with saturated or unsaturated fatty acids containing 6-20 carbon atoms, where the finished thread or textile material is provided with the above mentioned particles.

EFFECT: prevention of wicking of water in the textile material.

12 cl, 1 tbl, 2 ex

 

The invention relates to the use of particles consisting of a core and a cover for covering their yarn or textile material to deter or prevent capillary wicking of water mentioned in the thread, or textile material. The invention further relates to a yarn or textile material, equipped with finishing the preparation and coating of particles consisting of a core and a shell.

Known yarns and textile materials with water-repellent properties. They are described for example in US 7132131, US 5116682 and US 4868042. Aramid and polyester yarns and textile materials is known as having water-repellent properties. These documents described a method of manufacturing a hydrophobic-treated aramid yarn or textile material by applying a water repellent agent to the aramid yarn. Used a water-repellent agent is an agent containing fluoropolymer, specifically a mixture of florachilena polymers, such as Oleophobol SM® and SL® from Ciba, as described in more detail in US 7132131. Thus, for several years, the fluorocarbon polymers are substances that are considered harmful due to the fact that the method of their manufacture is undesirable from the point of view of environmental protection. For this reason, it is important to search for alternative means to replace the f�of calimero, especially because the production of some of these fluoropolymers may be prohibited for these purposes in the future. Were found alternative substances and is described in US 2009/253828, and the results are also presented D. Stanssens in the review, titled "Surface modifications by applying organic nanoparticles from a water dispersion, which can be found on the company's website Topchim (www.topchim.be/_img/nanomaterials09.pdf) for some time, but which is more impossible to find.

The authors present invention found that in addition to water-repellent or hydrophobic properties, in General, yarns and textile materials treated with such nanoparticles have a strong property of confrontation capillary flowing water. Threads or textile materials thus treated, become very suitable for products for which capillary leaking can be a problem, for example, threads or textile materials used for the manufacture of anti-ballistic textile materials, boat sails, solar screens or awnings, folding top for a cabriolet and tarred canvas. These properties confrontation capillary leaking have nothing to do with water-repellent or hydrophobic properties that were already known.

Thus, threads or textile materials, coated with water-repellent fluoropolymer�m, possess strong properties confrontation capillary leaking.

For this reason, the invention relates to the use of particles consisting of a core and shell, with an average diameter of from 10 nm to 300 nm and standard deviation σ, constituting at least 10% from the average in which the shell particles consisting of a core and a shell comprises a copolymer of a vinyl aromatic monomer and maleinimide monomer with a glass transition temperature Tg from 120 to 220ºC for coating a yarn or a textile material, to deter or prevent capillary wicking mentioned in the thread, or textile material.

Basic aramid filament (e.g. Twaron® 1000) has a very high hydrophilicity and the water absorbed by it for a second. It is known the use of any finishing agents on the basis of a copolymer of polystyrene and maleinimide (SESMI, SMI) to improve the hydrophobic properties of paper. According to the present invention SPSE not applied as such, but is applied in the form of nanoparticles consisting of a core and shell, with hydrophobic components in the core. The material covered by very small particles in order to impart an irregular surface reduces the contact area between the fluid and the surface of the material. It is now established that in the presence of a hydrophobic�substances (for example, nanoparticles with wax in the core) surface is obtained, with hydrophobics, where water has a tendency to slide even at small angles (10-20º). The presence of hydrophobic particles consisting of a core and a cover according to the invention constrains the liquid, for example water, to ensure that they had a very large boundary wetting angles (>90°). Contact angle is the angle at which the boundary surface of a liquid (e.g., water) meets the solid surface of the particles. In addition, hydrophobic particles consisting of a core and shell, in the presence of them in the form of finishing product on the fiber, exhibit remarkable behavior, which is expressed in the confrontation capillary leaking. In fact, one can observe the lack of vertical movement of water (capillary wicking) in the bundle of threads for 6 hours. It is exceptionally good for aramid fiber, with strong capillarity, and this property is clearly superior to the opposition capillary leaking observed in the processing of the fluoropolymer, for example, described in US 7132131 in respect of aramid fibers and in US 5116682 in relation to the fibers of a complex polyester, which was observed by capillary numb-half inch (13 mm) for 2 hours.

It was found that nanoparticles containing SESMI, m�can be used to deter or prevent capillary wicking in the threads or textile materials. The following description under SPSE understand not only specifically a copolymer of polystyrene and maleinimide, but also, more generally, copolymers of vinyl aromatic monomers and maleinimide monomers.

A copolymer of polystyrene and maleinimide is a known polymer. In US 6407197 and in EP 1405865 described aqueous dispersion of polymer of vinyl aromatic monomer and links maleinimide monomer obtained by imidization original polymer containing a vinyl aromatic monomer and monomer units of maleic anhydride. Typically a copolymer of polystyrene and maleic anhydride (SPSMA, SMA) is a suitable initial polymer to obtain a copolymer of polystyrene and maleinimide (SPSE) imidazole. SPSMA can be converted into SESMI, for example, with ammonia. The imidization SPSMA, and, more generally, copolymers of a vinyl aromatic monomer and maleic anhydride monomer is a known process, and its application in the processes of production of paper and paperboard are described in various patents, for example in US 6407197, US 6830657, WO 2004/031249 and US 2009/0253828. In WO 2007/014635 described pigment particles with SPSMA on the surface thereof is used as the covering composition for paper. Suitable SPSE have a glass transition temperature Tg, component 120 to 220ºC, more preferably from 150 to 210ºC./p>

Particles consisting of a core and shell, with the shell of SPSE known and commercially available under the trademark NanoTope® 26 PO30, which are composed of particles consisting of a core and a shell containing SPSE using 70 parts of palm oil as the core and 30 parts SPSE as the shell. Another commercially available product is NanoTope® 26 WA30, which consists of particles consisting of a core and a shell containing SPSE using 70 parts of solid paraffin, which forms the core, and 30 parts SPSE constituting the shell. Layer SPSE very thin (nanometer range), and as the tails of the fatty acids of palm oil can penetrate the outer layer of SPSE, they thus contribute to the hydrophobicity of the particles. The core is hydrophobic, and it may in principle be composed of any oil, paraffin, or wax, or mixtures thereof. Paraffin includes alkanes, polyolefins and terpenes. The oil includes a vegetable oil, paraffin oil, silicone oils and paraffin waxes.

Suitable particles consisting of a core and a cover according to the invention is hydrophobic and thanks to the additional nanospect (i.e., different particle sizes) give overhydrate properties that finishing preparations on the basis of SPSE for yarns and textile materials. D�additional advantage of the particles, in which the core consists of a material such as palm oil or castor oil is the fact that these oils are renewable and biodegradable, which is better for the environment.

Particles consisting of a core and a cover according to the invention have an average diameter of from 10 to 300 nm, preferably 20-200 nm, and still more preferably 25 to 100 nm. A small variation of particle size is not an advantage in this case. It was found that a mixture of particles of different sizes significantly contribute to the hydrophobicity. If the particles have different sizes, the water molecules are more difficult to attach to the particle, leading to increased hydrophobicity. For this reason, it is preferable to use particles whose sizes range from the standard deviation (σ) constituting at least 10% from an average value, preferably at least 20%, and more preferably at least 30%. Thus, in the mixture, which is preferred for best hydrophobicity, and contains particles having smaller diameters, and particles having larger diameters than the mean diameter of all particles. Thus, the effect is significant, and it even leads to the attainment of greater hydrophobicity than when using fluoropolymers, Ciba, nab�emer stamps Oleophobol SM® or® SL, which have so far been considered the best compounds in this respect. This effect, which can be defined as a wetting angle exceeding 90°, called the hydrophobics. Boundary wetting angles are preferably large as possible, and can be reached boundary angles of wetting, large 100º, large 115º or even large 135º. A wide variety of size dispersion of the particles contributes to achieving greater boundary angles of wetting.

Particles consisting of a core and shell, can, in principle, have any shape, but particles having a spherical shape, an elliptical shape and the shape of the bar, are preferred for achieving least-squares contact with water molecules.

These above-mentioned effects are hydrophobic properties, yarn or textile material treated with these nanoparticles. This effect is known, as mentioned earlier. It is now established that, in addition to these water-repellent properties, these threads or textile materials, in addition, possess interesting properties of confrontation capillary leaking. Capillary leaking is a phenomenon in which the liquid flow rises in a narrow space such as a thin tube, or in porous materials. This phenomenon m�can impel the liquid to flow against gravity. This occurs under the influence of intermolecular forces of attraction between the liquid and solid surrounding surfaces if the diameter of the tube is sufficiently small then the combination of surface tension and forces of adhesion between the liquid and container act, leading to the rise of the liquid. This effect should be prevented in the thread or textile material that are in contact with water, e.g. rain. More specifically, capillary leaking water should be prevented in boat sails, and sun screens or awnings, folding top of a cabriolet, in the tarred canvas, soft and hard ballistic materials, including bulletproof vests, etc.

Particles consisting of a core and shell, have a fairly good grip with each other after drying. Also adhesion to the yarn or textile material is good. To further improve the adhesion it is possible to add binders or film-forming agents, for example a latex of a copolymer of butadiene and styrene (SBS) and polyacrylates or combinations of binders. You can also add other additives in the finished dispersion of particles consisting of a core and shell, for example, antistatic additives, dyes and pigments. Antistatic additives may represent a particularly large Zn�necessary for processing of the yarn during winding and weaving; typically, these additives are effective at an amount of 0.1 to 0.5 wt%. by weight of the filament. Unencapsulated (free) hydrophobic additives such as waxes, can be added in small amounts in a dispersion of particles consisting of a core and shell, to increase the hydrophobicity.

Water-insoluble ingredients can be added to imidazole, and then they are included in particles consisting of a core and shell, while imidazole. The active ingredients preferably have affinity with the core material. Examples of active ingredients include dyes, pigments and absorbers of ultraviolet radiation.

Textile material that can be used for the processing of nanoparticles consisting of a core and a cover may be a fabric or non-woven material. Nonwoven fabrics contain filaments in an adhesive layer between two thin films (e.g. thin films of complex polyester), which are commonly used for the manufacture of high-class boat sails. In other designs, you can use fabric, such as canvas with a material of the warp threads and filling threads. For example, these threads are arranged in the transverse direction relative to each other, where the main thread can withstand higher tension than the weft thread; these threads or powered�about converge and diverge in the course of the longitudinal direction, and the other group of strands that move in opposite directions with respect to the first group, diverges and converges in coursework longitudinal direction, passing on their own.

A continuous thread or textile material, is provided with a hydrophobic coating of particles consisting of a core and shell, can be used in products that require the properties of confrontation capillary leaking, for example in soft and hard ballistic materials, including bulletproof vests, solid ballistic panels, UD and helmets. Processed continuous filament or textile material is preferably used in parasynaptopsis materials, for example, used for boat sails, in the tarred canvas, sun screens, awnings and folding top of a cabriolet. Another use could be rip cord, especially rip cord fiber optic or power cabling. Threads or textile materials thus treated, does not have the properties of capillary water penetration and are thus very suitable for use in a wet environment, where the fibrous product to dry as quickly as possible, for example a grounding cable, in which the longitudinal movement of water (capillary leaking) should be prevented by all having�the first means. The treated yarn or textile material can thus also be used for reinforcement of pipes, hoses and cables, such as pipes for transporting oil for use at sea on offshore platforms, rubber hoses and fiber optic cables.

These threads can be incorporated into textile materials conventional method of manufacturing a textile material made of yarns by using weaving technology. Alternative you can handle particles consisting of a core and a shell, not a continuous thread and a regular raw yarns can be included in the textile material and the textile material is then treated particles. Yarns and textile materials that can be processed are preferably aramid yarns and textile materials, most preferably para-aramid, such as brand Twaron®, but you can also use other yarns and textile materials, for example made of nylon, polyester, glass, carbon or polyolefin.

The thread or the textile material can be processed on standard equipment. The thread is usually brought into contact with a dispersion of particles consisting of a core and shell, in the bath or by the use of adjoining shafts or slotted applicators. Usually the speed of the thread is 1-700 m/min, more preferably 25-500 m/min Yarn or textile material can be treated in a bath (or use any other commonly used device for the application) containing a dispersion of particles consisting of a core and a shell.

Usually the amount of particles consisting of a core and a shell applied to the yarn or textile material, is 0.1-20 wt.%, preferably 0.5 to 10 wt.%, and more preferably 1-5 wt%. by weight of the yarn or textile material. After application of the particles consisting of a core and sheath, yarn or textile material is dried, preferably by heating in a heat chamber, typically at a temperature of from 120 to 200 ºC, where the exposure time is typically 9 to l5 with cord and from 0.5 to 10 min for the fabric.

In a particularly preferred embodiment of the yarn used for the manufacture of the textile material is first treated with the finishing product containing diglyceride or triglyceride derived from glycerol, subjected to esterification of saturated or unsaturated fatty acids containing 6 to 20 carbon atoms, more preferably is treated with di - or triglyceride, where the fatty acid is coconut fatty oil comprising a mixture of saturated and unsaturated fatty acids (C6-C18. This finished product is then capping�t nanoparticles consisting of a core and a shell. The thus obtained yarn or textile materials are new and have further improved properties of the confrontation capillary leaking.

The invention is additionally illustrated by the following examples, not limiting the scope of the invention.

The General part

Dynamic analyzer contact angle of wetting (hydrophobicity) for testing fibers

Contact angle is directly measured on yarn or textile material is a static method of a stationary droplet. In the case of measurements on the thread at least 100 m of the yarn wound on a small bobbin with an outer diameter of 52 mm. contact angle is measured using a dynamic analyzer contact angle of wetting FTA188 (first ten Angstrom), which use optical subsystem to collect data about the profile of a drop of water on the yarn or textile material. The angle formed between the liquid and the solid surface and the liquid and vapor interface surface is the contact angle of wetting, and it is measured through the use of video equipment GW-902H (GenWac) and telecentric lenses are factory calibrated, comprising 11075 nanometers per pixel (horizontal field of view is about 8 mm). For data collection and analysis, contact angle SMA�experiences used FTA32 software dynamic analyzer model. Used water (classification Fluka) for the determination of traces of inorganic substances as a liquid for droplet formation. Contact angle was measured at least 50 times in 20 C. Jung's Equation of YSV-YLS=YLVcos θ expresses the equilibrium condition, where V = vapor, L = liquid, S = solid, Y = surface tension and θ = equilibrium contact angle.

The method of determining capillary flowing water

Capillary leaking water in the coated filament may be determined by using tests on capillary leaking water by the method of BellCore No. TR-NWT-00492 (test procedure AT&T), is widely known in the production of telecommunication cables (see US 6051315). This technique was slightly modified and made suitable for the testing of bundles of filaments (instead of telecommunication cables). Capillary leaking water in the bundle of coated filaments can be determined by the following method, which in the present description called "a test Methodology for capillary leaking water."

Approximately 1 l of an aqueous solution containing a coloring indicator, poured into a suitable glass container, such as a beaker with a capacity of 2000 ml, commercially available from Fisher Scientific. Beaker should have an internal diameter of approximately 120-130 m�, and the final height of the coloring solution in the beaker is 76 mm (3 inches). Preferably, the dye was drug Solophenyl® Red part no 3BC (ex Huntsman), with concentration of 0.1 wt%. by weight of water.

Three sample beams trimmed with filaments, attached to floating the gully, was immersed in a solution with an attached sinker weighing approximately 25 g per beam to provide sufficient tension so that about 25 mm (1 in) beam filament was below the surface of the solution and about 435 mm (17 inches) above the surface of the solution. The minimum distance between the bundles of filaments constituted of at least 13 mm (0.5 inch). Standard laboratory filter paper [5892White ribbon (white ribbon), ashless, from Schleicher & Schuell GmbH] cut out with scissors square and placed at a distance of 25 mm (1 inch) above the solution, gently fixing beam filament paper clamp. Test for capillary leaking should be performed at room temperature (about 25ºC) for 6 h. it is believed that under these conditions of test-beam filament "is opposed by the capillary leaking" if the staining solution does not rise and does not moisten the bottom edge of filter paper for 6 hours. If the thread resists the capillary leaking, also measure covered <dye> travel distance up to mm for op�of edeleny differences between samples.

Example 1

Used dispersion NanoTope® 26WA30 a concentration of 50 wt%. particles in water, consisting of a core and a shell, of a copolymer of polystyrene and maleinimide, filled with solid paraffin, supplied Topchim N. V. (Belgium). The dispersion was diluted with demineralized water to a concentration of 8 wt%. before coating the thread with the use of ceramic slotted applicator from Rauschert. Thread Twaron® 2200, type 1610f1000 (linear density 1610 dtex/number of filaments 1000); without (treatment) finishing drug AT81 in torsion were treated dispersion NanoTope® 26 WA30, was applied in the amount of 2.4 wt%. (by weight of the yarn) at the yarn 75 m/min at several levels of temperature (Tchambers) and kept in a heat chamber for a time period (see Table 1). All the filament temperature (Tthread) was measured manually using infrared/laser gun to measure temperature from a distance of approximately 8 cm from the withdrawal of the yarn from the chamber with hot air treatment (see Table 1). Resulting in a result of boundary angles of wetting with water was measured for 20 with dynamic analyzer contact angle of wetting FTA188. The test results are shown in Table 1. Stable boundary wetting angles in the range of 125-130°C were determined in a large range of drying temperatures, indicating stability�Yu and very high hydrophobicity. The test results also confirmed that the final contact angle does not depend on changes in drying temperature and exposure time in the range test, which is favorable for mass production.

Table 1
Boundary angles of wetting obtained using a dispersion containing 2.4% of wt. drug NanoTope® 26 WA30, as a result of different drying conditions.
SampleTrim yarn Twaron® 2200 1610f1000 (wt.% by weight of filaments)Tchambers(°C)Tthread(°C)The dwell time in the heat chamber (C)Contact angle with water for 20 s (º)
12.4% of NanoTope® 26 WA301201149,6125-130
22.4% of NanoTope® 26 WA301401339,6130
32,4% NanoTpe® 26 WA30 1601549,6130
42.4% of NanoTope® 26 WA301801759,6130
52.4% of NanoTope® 26 WA302001919,6130
72.4% of NanoTope® 26 WA3012011614,4130
82.4% of NanoTope® 26 WA3018017514,4125-130

Test capillary leaking water produced using the three trimmed sample yarn (sample 4), where results have been obtained, representing a zero climb upward in the vertical direction of the coloring solution for 6 hours, which confirms 100% the confrontation capillary leaking, which is not observed when using fluoropolymer (Oleophobol®) for the treatment of yarn Twaron 2000 (linear density of 930 dtex; the number e�elemental threads 1000), as described in US 7132131 (these threads are not considered to be opposing capillary leaking, as was observed by the rise of the dye solution at 25 mm for 1 min, which is comparable with the properties of standard Twaron® 1000 1680f1000).

Example 2

Used dispersion NanoTope® 26PO30 concentration of 66 wt%. particles in water, consisting of a core and a shell, of a copolymer of polystyrene and maleinimide filled with palm oil supplied Topchim N. V. (Belgium). The dispersion was diluted to a concentration of 5 wt%. demineralized water prior to its application <string> using a slotted ceramic applicator from Rauschert. Thread Twaron® 2200 1610f1000 (linear density 1610 dtex/number of filaments 1000); without (treatment) finishing drug AT81 in torsion were treated dispersion NanoTope® 26 PO30, was applied in an amount of 2 wt%. (by weight of the yarn) at the yarn 75 m/min; drying was performed at a temperature of 180ºC, and the holding time in the heat chamber was 10 C. the Resulting resulting boundary wetting angles with water were measured for 20 with dynamic analyzer contact angle of wetting FTA188. Was defined stable contact angle, formed 120º, indicating a stable and very high hydrophobicity.

Test capillary leaking water produced, decorated using three sample threads where RES were obtained�the objectives, comprising 5 mm of rise up in the vertical direction of the coloring solution for 6 hours, which confirms the confrontation capillary leaking, which is not observed when using fluoropolymer (Oleophobol®) for the treatment of yarn Twaron 2000 (linear density of 930 dtex; number of filaments 1000), as described in US 7132131 (these threads are not considered to be opposing capillary leaking, as was observed by the rise of the dye solution at 25 mm for 1 min, which is comparable with the properties of standard yarn Twaron® 1000).

1. Particles consisting of a core and shell, for inhibiting or preventing capillary water penetration in the thread or textile material, where said particles have an average diameter of 10-300 nm and a standard deviation σ of at least 10% from the average in which the shell particles consisting of a core and a shell comprises a copolymer of a vinyl aromatic monomer and maleinimide monomer with a glass transition temperature Tg of from 120 to 220°C.

2. Particles according to claim 1, which have an average diameter of from 20 to 200 nm, preferably from 25 to 100 nm.

3. Particles according to claim 1 or 2, for which the standard deviation σ is at least 20%, preferably at least 30%, from the average.

4. Particles according to claim 1, which have a spherical shape, an elliptical FD�mu or a bar shape.

5. Particles according to claim 1 or 4, where the core particles consisting of a core and shell, is a hydrophobic material comprising a wax, paraffin or oil.

6. Particles according to claim 1, wherein the shell particles consisting of a core and shell is a copolymer of polystyrene and maleinimide.

7. Particles according to claim 1, where the thread or textile material made of nylon, polyester, glass, carbon or polyolefin.

8. Particles according to claim 1 or 7, where the textile material is a fabric or non-woven material.

9. Particles according to claim 1, where the thread or textile material provided with a finishing drug, and particles consisting of a core and a cover applied over it.

10. Particles according to claim 9, where the finishing agent contains diglyceride or triglyceride derived from glycerol, subjected to esterification of saturated or unsaturated fatty acids containing 6 to 20 carbon atoms.

11. Particles according to claim 1, where the thread or textile material is a material contained in a boat sail, sun screen or awning, folding the top down, the ballistic material, exhaust cable, particularly fiber optic or power cabling, or in the tarred canvas.

12. The thread or textile material containing aramid filament, equipped with a finishing product containing diglyceride or trip�arid, derived from glycerol, subjected to esterification of saturated or unsaturated fatty acids containing 6 to 20 carbon atoms, where the finished yarn or textile material contains particles consisting of a core and shell, with an average diameter of 10-300 nm and a standard deviation σ, constituting at least 10% from an average value, and in which the shell particles consisting of a core and a shell comprises a copolymer of a vinyl aromatic monomer and maleinimide monomer with a glass transition temperature Tg of from 120 to 220°C.



 

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SUBSTANCE: material is made in the form of low-twist yarn of flat section from bast-fiber or mixed filaments having linear density of 1,500-3,500 tex and twist rate of 20-50 per 1 m. Yarn is reinforced with high-strength thread consisting of synthetic filaments having linear density of 60-120 tex or bast-fiber filaments having linear density of 200-600 tex. Rupture load of reinforcing thread is 30-60% of rupture load of yarn. Material is also impregnated with compound including 12-28 wt% of liquid non-volatile or low-volatile low-viscosity petroleum products used as filler, 0.2-1.5 wt% of product of reaction of aromatic hydrocarbons with isobutylene as antiseptic.

EFFECT: increased workability and covering capacity, high fungi-resistance and strength, in particular, on usage of jute filament and Capron thread, and impregnation compound based on transformer oil and antiseptic.

5 cl, 1 tbl, 12 ex

FIELD: textile industry, in particular lubrication of wood, wood fiber or mixtures thereof with synthetic fibers.

SUBSTANCE: claimed oil-based agent contains oleic acid and triethanolamine. As oily base transformer oil is used. Compositions may also contain one or two antistatics, emulsifier and doping agent. Moreover composition additionally contains 0.1 % ampicillin aqueous solution in ethanol in amount of 0.001 % (based on composition mass).

EFFECT: agent of improved physical and chemical characteristics, decreased foaming and delaminating, decreased corrosive activity and biological affect; reduced antistatic and emulsifier consumption.

4 cl, 4 tbl, 3 ex

FIELD: textile industry.

SUBSTANCE: invention relates to technology of manufacturing sewing threads, in particular to treating sewing threads with composition to impart sweet-smelling properties, and can be used at thread enterprises manufacturing synthetic and cotton threads, which can be used for sewing clothes. Composition contains, wt %: paraffin 25-55, stearin 18-32, low-molecular weight methylvinylsiloxane rubber 20-33, bee wax 3-6, triethanolamine 3.5-4.9, and aromatizer 0.05-0,5.

EFFECT: improved consumer properties of product.

4 dwg, 2 tbl, 3 ex

The invention relates to the production of protective and anticorrosive materials obtained by impregnating a fabric base is antiseptic and anti-corrosion compounds and are designed to protect cables

FIELD: chemistry.

SUBSTANCE: method includes forming, on a surface, a coating from a dimethylalkylbenzylammonium chloride complex containing a C10-C14 alkyl group or a mixture of C8-C16 alkyl groups with a copolymer of styrene and maleic anhydride, which is subjected to preliminary chemical modification to open anhydride rings to form carboxyl groups, 50-60% of which are neutralised to form carboxylate groups, or a mixture of said complex with polyvinyl butyral, in the following ratio, wt %: antiseptic polymer complex 25-40, polyvinyl butyral 60-75.

EFFECT: full prolonged protection of articles made of aluminium alloy from fouling by microorganisms, which prevents corrosive change of the surface of said alloys.

28 ex, 3 tbl

FIELD: chemistry.

SUBSTANCE: present invention relates to a method of producing block-copolymers which contain a reactive functional group. Described is a method of producing a block-copolymer, involving: a) reaction of an acrylic monomer, having functional groups which are epoxy, acid, anhydride, amine, amide and hydroxy groups, and one or more vinyl monomers in the presence of a free-radical initiator a stable free radical at the first step to obtain a reaction product which contains a residual unreacted acrylic monomer; and b) reaction at the second step of one or more vinyl monomers with the reaction product from the first step to obtain a second block which contains a residual unreacted acrylic monomer. Also described are versions of said method of producing a block-copolymer. Described is a block-copolymer obtained using said methods, containing: a) a first block which contains monomer links of a functionalised acrylic monomer, having functional groups which are epoxy, acid, anhydride, amine, amide and hydroxy groups, and monomer links of a vinyl monomer; and b) a second block which contains monomer links of one or more vinyl monomers and monomer links of a functionalised acrylic monomer, having functional groups which are epoxy, acid, anhydride, amine, amide and hydroxy groups in the first block. Described is a thermoplastic polymer composition which is used to obtain materials with high impact resistance and mechanical strength, which contains: (a) 1-98 wt % of a first thermoplastic, having functional groups selected from a group consisting of amine, amide, imide, carboxyl groups, carbonyl, carbonate ester, anhydride, epoxy, sulpho, sulphonyl, thionyl, sulphydryl, cyano and hydroxy; (b) 0.01-25 wt % of said block-copolymer, which contains a functional group which is capable of reacting with the functional group in the thermoplastic; and (c) 1-98 wt % of a second thermoplastic polymer which is miscible or compatible with the second block of said block-copolymer.

EFFECT: obtaining block-copolymers which can be used as reactive compatibility agents of thermoplastic mixtures of polymers.

31 cl, 10 dwg, 14 tbl, 56 ex

FIELD: chemistry.

SUBSTANCE: invention relates to emulsifying polymers and use of these polymers for stable emulsification of hydrophobic additives in aqueous concrete plasticisers. Disclosed is a polymer P, obtained via copolymerisation (a) of at least one ethylenically unsaturated monomer A selected from a group consisting of unsaturated mono- and dicarboxylic acids, sulphonic acids, phosphonic acids in form of free acids or salts or partial salts or halide or anhydride, with (b) at least one ethylenically unsaturated monomer B of formula ,

or ,

where radicals and coefficients are as described in the claim and (c) with at least one ethylenically unsaturated monomer C of formula

,

where radicals and coefficients are as described in the claim and with (d) at least one ethylenically unsaturated monomer D of formula

,

where radicals and coefficients are as described in the claim and optionally (e) with at least one basic ethylenically unsaturated monomer E of formula ,

where radicals and coefficients are as described in the claim and optionally (f) with at least one other ethylenically unsaturated monomer W. Use of the polymer as a plasticiser for water-curable compositions and a water-curable composition are also disclosed.

EFFECT: polymer improves quality of mortar.

19 cl, 5 tbl

The invention relates to methods of producing cross-linked copolymers of maleic anhydride with styrene, in particular the production of ammonium salts polyamide copolymer of maleic anhydride and styrene, Recoletos ethylene glycol, which is used to obtain formulations of pesticides, as well as cosmetic, pharmaceutical and veterinary products

The invention relates to methods for film-forming polymers for paints and varnishes, in particular the production of film-forming copolymer of the bottoms of the distillation of styrene (KORS) and carbonyl compounds

FIELD: chemistry.

SUBSTANCE: invention relates to emulsifying polymers and use of these polymers for stable emulsification of hydrophobic additives in aqueous concrete plasticisers. Disclosed is a polymer P, obtained via copolymerisation (a) of at least one ethylenically unsaturated monomer A selected from a group consisting of unsaturated mono- and dicarboxylic acids, sulphonic acids, phosphonic acids in form of free acids or salts or partial salts or halide or anhydride, with (b) at least one ethylenically unsaturated monomer B of formula ,

or ,

where radicals and coefficients are as described in the claim and (c) with at least one ethylenically unsaturated monomer C of formula

,

where radicals and coefficients are as described in the claim and with (d) at least one ethylenically unsaturated monomer D of formula

,

where radicals and coefficients are as described in the claim and optionally (e) with at least one basic ethylenically unsaturated monomer E of formula ,

where radicals and coefficients are as described in the claim and optionally (f) with at least one other ethylenically unsaturated monomer W. Use of the polymer as a plasticiser for water-curable compositions and a water-curable composition are also disclosed.

EFFECT: polymer improves quality of mortar.

19 cl, 5 tbl

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