Powder filler for elastomer materials on base of rubber

FIELD: machine building.

SUBSTANCE: invention refers to rubber industry, particularly to development of powder fillers for thermo-plastic elastomer materials on base of rubber and can be implemented at fabrication of various extrusive profiles and moulded flexible parts made of rubber mixtures for automobile, cable, light and building industries. For elastomer materials on base of rubber, particularly, poly-chloroprene, sulpho-chlorinated polyethylene powder filler contains natural mineral schungite and as modifier - methane-amine and/or teotropine. Also, size of powder particles of filler with modifier is chosen from 100 nm to 20 mcm, and external specific surface of filler with modifier is from 20 to 40 m2/g. Methane-amine and/or teotropine are introduced by dissolution or after their intermixing with schungite, for example, in a ball mill or in impact mill.

EFFECT: increased strength of elastomer materials on base of rubber at stretching, maintaining percent elongation of elastomer materials on base of rubber and maintaining process characteristics during treatment of materials.

6 cl, 1 tbl

 

The invention relates to the rubber industry, in particular to the development of powder fillers elastomeric materials rubber-based, and can be used in the manufacture of rubber compounds of different extrusion profiles and molded flexible parts used in the automotive, cable, light industry and construction.

Known powder filler for elastomeric materials based on rubber containing natural mineral shungite (see RF patent №2334769 IPC C08L 21/00, 2008).

However, the known powder filler for elastomeric materials based on rubber when its use has the following disadvantages:

- does not allow to increase the tensile strength of elastomeric materials rubber-based,

- leads to an unacceptable reduction relative elongation of elastomeric materials rubber-based,

- you can't save the viscosities of mixtures of elastomeric materials based on rubber, which leads to the loss of the ability to be processed by injection molding and extrusion.

The objective of the invention is the creation of the powder filler for elastomeric materials based on rubber.

The technical result of using this proposed powder filler for elastomeric materials based rubbers is and is to increase the tensile strength of elastomeric materials based on rubber, the preservation of the relative elongation of elastomeric materials based on rubber, and the preservation of the technological properties during processing of materials.

The technical result is achieved by the combination of the components of the proposed powder filler for elastomeric materials based on rubber, and the quantitative ratio of the incoming powder filler components.

The technical result in the implementation of the invention is achieved by the fact that the offered powder filler for elastomeric materials based on rubber containing natural mineral shungite, while it additionally contains as a modifier methenamine and/or tevtropin, and the amount of powder filler particles with a modifier selected from 100 nm to 20 μm, specific surface area of the filler particles with modifier from 20 to 40 m2/g, in the following ratio, wt.%:

methenamine and/or
tevtropin4-28
natural mineral shungite72-96

The content of atropina in its mixture with methenamine selected amount of 20-80 wt.%. When using powder is a new filler in elastomeric materials based on chlorosulfonated polyethylene content of the modifier is preferably selected from 4 to 18 wt.%. By using the powder filler in elastomeric materials based on polychloroprene content of the modifier is preferably selected from 6 to 28 wt.%. Use the natural mineral shungite following composition, wt.%:

the titanium oxide (TiO2)0,15-0,25
aluminum oxide (Al2O3)3,88-4,12
iron oxide (FeO)2,25-2,75
magnesium oxide (MgO)1,15-1,25
calcium oxide (CaO)0,25-0,35
the sodium oxide (Na2O)0,18-0,22
the oxide of potassium (K2O)1,4-1,6
cepa (S)1,15-1,25
water crystal3.5 to 4.5
carbon26-36
silicon oxide (SiO2)the rest is up to 100%

This introduction to powder filler methenamine and/or atropina exercise dissolve the productive way or in the process of their joint mixing with stones, for example, in a ball mill or the mill of the impact type.

Used modifier powder filler methenamine (C6H12N4) also known as 1,3,5,7-tetraazatricyclo/3.3.1.1/Dean, hexamine, hexamine, hexamine and Orisol.

Used modifier powder filler tevtropin (C8H16N4) also known as 1,8,3,6-vandommelen-1,3,6,8-tetraazacyclododecane, 1,3,6,8-tetraazatricyclo[4.4.1.13,8]dodecan, tetramethylenedisulfotetramine and polyazamacrocycles.

Among the essential features characterizing the proposed powder filler for elastomeric materials rubber-based, distinctive are:

- advanced introduction to natural mineral shungite as a modifier of methenamine and/or atropina,

- choose the size of powder particles of the filler with modifier from 100 nm to 20 μm,

- select the specific surface of the powder particles of the filler with modifier from 20 to 40 m2/g

- select the component ratio of the powder filler, wt.%:

methenamine and/or tevtropin4-28
natural mineral shungite72-96,

- select the content of atropina the actual mixture of methenamine in the amount of 20-80 wt.%,

- when using powder filler in elastomeric materials based on chlorosulfonated polyethylene content of the modifier in powder filler is preferably selected from 4 to 18 wt.%,

- when using powder filler in elastomeric materials based on polychloroprene content of the modifier in powder filler is preferably selected from 6 to 28 wt.%

- the use of natural mineral shungite following composition, wt.%:

26-36
the titanium oxide (TiO2)0,15-0,25
aluminum oxide (Al2O3)3,88 of 4.1
iron oxide (FeO)2,25-2,75
magnesium oxide (MgO)1,15-1,25
calcium oxide (CaO)0,25-0,35
the sodium oxide (Na2O)0,18-0,22
the oxide of potassium (K2O)1,4-1,6
cepa (S)1,15-1,25
water crystal3.5 to 4.5
carbon
silicon oxide (SiO2)the rest is up to 100%

- the introduction of the powder filler of methenamine and/or atropina mortar method or process of their joint mixing with stones, for example, in a ball mill or the mill of the impact type.

Experimental studies of the proposed powder filler for elastomeric materials based on rubber showed its high efficiency. It was found that elastomeric materials based on rubber when using the proposed powder filler have a high tensile strength, while maintaining a high elongation elastomeric materials based on rubber. At the same time it was found that the use of the offered powder filler also saves technological properties during processing of elastomeric materials based on rubber. When this is detected the decrease of the viscosity of mixtures of these materials.

The technology proposed powder filler in the manufacture of products for various purposes elastomer based rubber is traditional and does not require the use of specific technological equipment.

The essence of the proposed technical the who solution is illustrated by table 1, in which examples of the use of the proposed powder filler in the manufacture of elastomeric materials based on rubber, which are used, for example, chlorosulphurized polyethylene and polychloroprene. In the proposed powder filler used different batches of shungite following chemical composition: 0,15-0,25% titanium oxide (TiO2), 3,88-4,12 wt.% aluminum oxide (Al2O3in ), 2.25-2.75 iron oxide (FeO), 1,15-1,25 wt.% magnesium oxide (MgO), to 0.25-0.35 wt.% of calcium oxide (CaO), 0.18 to 0.22 wt.% sodium oxide (Na2O), 1,4-1,6, wt.% of potassium oxide (K2O), 1,15-1,25 wt.% sulfur (S), 3.5 to 4.5 wt.% water crystal, 26-36 wt.% carbon and silicon oxide (SiO2) - the rest is up to 100%.

Thus, the proposed powder filler for elastomeric materials based on rubber has advantages compared with the known powder fillers of the same purpose.

1. Powder filler for elastomeric materials based on rubber containing natural mineral shungite, characterized in that it additionally contains as a modifier methenamine and/or tevtropin, and the amount of powder filler particles with a modifier selected from 100 nm to 20 μm, and in esrea specific surface area of from 20 to 40 m 2/g, in the following ratio, wt.%:

methenamine and/or tevtropin4-28
natural mineral shungite72-96

2. Powder filler for elastomeric materials based on rubber according to claim 1, characterized in that the content of atropina in its mixture with methenamine selected amount of 20-80 wt.%.

3. Powder filler for elastomeric materials based on rubber according to claim 1, characterized in that when it is used in elastomeric materials based on chlorosulfonated polyethylene content of the modifier is preferably selected from 4 to 18 wt.%.

4. Powder filler for elastomeric materials based on rubber according to claim 1, characterized in that when it is used in elastomeric materials based on polychloroprene content of the modifier is preferably selected from 6 to 28 wt.%.

5. Powder filler for elastomeric materials based on rubber according to claim 1, characterized in that use natural mineral shungite following composition, wt.%:

the titanium oxide (Tio2)0,15-0,25
the oxide of aluminum is of (Al 2About3)3,88-4,12
iron oxide (FeO)2,25-2,75
magnesium oxide (MgO)1,15-1,25
calcium oxide (Cao)0,25-0,35
the sodium oxide (Na2O)0,18-0,22
the oxide of potassium (K2Oh)1,4-1,6
cepa (S)1,15-1,25
water crystal3.5 to 4.5
carbon26-36
silicon oxide (SiO2)the rest is up to 100%

6. Powder filler for elastomeric materials based on rubber according to claim 1, characterized in that the introduction of methenamine and/or atropina carry out the mortar method or process of their joint mixing with stones, for example, in a ball mill or impact mill type.



 

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EFFECT: reduced toxicity and fire risk of chlorosulfurized polyethylene.

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FIELD: plastic, rubber, chemical, petrochemical, paint-vehicle, air and other industrials.

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9 cl, 19 tbl, 6 dwg

The invention relates to methods of preparation of mastic compositions used in construction, for example, roofing, sealing seams and butt joints impervious lining of canals

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The rubber mixture // 2028331
The invention relates to formulations of rubber compounds used in medical technology and other industries as protective clothing, shields against x-ray radiation

FIELD: chemistry.

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6 cl, 6 tbl, 21 ex

FIELD: chemistry.

SUBSTANCE: invention relates preparation of rubber filler for thermoplastic elastomeric materials based on rubber and can be used in making various extrusion profiles and moulded flexible parts from tyre rubber mixtures for automotive, cable, light industry and construction. The rubber filler is made from a composition which contains natural mineral schungite and technical carbon and/or amorphous white soot, where the size of the powder particles of the filler range from 100 nm to 20 mcm, and the external specific surface area ranges from 20 to 40 m/g. Components of the composition are in the following ratio in wt %: technical carbon and/or amorphous white soot 5-50, natural mineral schungite 50-95. The amorphous white soot used is of the type aerosol, BS-100, BS - 120, BS - 150 or BS -175. Content of technical carbon in its mixture with the amorphous white soot can be equal to 20-80 wt %. Technical carbon and/or amorphous white soot can be added to the powdered filler during mixture schungite in a bead mill.

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6 cl, 1 tbl

Rubber mixture // 2415887

FIELD: chemistry.

SUBSTANCE: rubber mixture contains at least one diene rubber and one organosilicon compound of general formula (I) (Q-)kG-Si(-O-CX1X2-CX1X3-)3N. Rubber mixtures are prepared by mixing at least one rubber and one organosilicon compound of formula (I). The rubber mixtures are used to make moulded articles.

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6 cl, 5 tbl, 5 ex

FIELD: chemistry.

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4 tbl, 4 ex

FIELD: chemistry.

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80 cl, 4 dwg, 36 tbl, 26 ex

FIELD: chemistry.

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10 cl, 1 tbl, 1 ex

FIELD: chemistry.

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5 cl, 1 tbl, 14 ex

FIELD: chemistry.

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EFFECT: improved environmental friendliness, low cost of rubber mixtures.

2 tbl, 6 ex

FIELD: process engineering.

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EFFECT: higher efficiency of salvaging.

4 cl, 2 dwg

Rubber mixture // 2404207

FIELD: chemistry.

SUBSTANCE: rubber mixture contains rubber, filler selected from a group comprising silicic acids, silicates, additional ingredients used if necessary and at least one organosilane of general formula I R1R2R3SiR4 - SH (I), in which R is methyl or ethyl, R is a methoxy group, ethoxy group or -O-(Y-O)m-X group, where Y is a branched or straight, saturated or unsaturated hydrocarbon group with a double bond, X denotes a C1-C9alkyl group and m is a number from 1 to 40, R3 is methyl, ethyl or is identical to R2 and R4 is a branched or straight, saturated or unsaturated aliphatic C1-C12 hydrocarbon group with a double bond. Rubber mixtures are obtained by mixing rubber, filler, additional ingredients used if necessary and at least one organosilane of general formula I. Rubber mixtures can be used to mould articles.

EFFECT: invention increases wear resistance and resistance to growth of cracks.

7 cl, 11 tbl, 11 ex

FIELD: chemistry.

SUBSTANCE: invention relates to rubber industry and deals with production of rubber products such as tyres, etc. Rubber mixture contains mixture of caoutchoucs, wt.p - butylcaoutchouc - 75-90, chloroprene caoutchouc - 0-10 and chloride-containing ethylene-propylene-diene filled caoutchouc 7-20. Chloride-containing ethylene-propylene-diene caoutchouc is obtained by mixing ethylene-propylene-diene and chloride-containing caoutchouc in presence of silicon colloidal dioxide. Rubber mixture contains also per 100 wt.p of mixture of caoutchoucs: stearic acid -1-3, zinc oxide - 4-10, technical carbon-30-60, mineral oil "stabiloil" -3-8 and phenol-formaldehyde resin "amberol137" -5-10.

EFFECT: obtaining rubber which has reduced creep and pitching, as well as increased dynamic durability.

2 tbl

FIELD: chemistry.

SUBSTANCE: invention concerns fireproof polymer composition and can be applied in tyre-making and rubber industries, particularly in parts of rubber-cord shells used in repair of sewage pipelines, interplant and main oil pipe lines, under continuous exposure to sparks during welding, to flame and open fire by ignition. The polymer composition includes chloroprene rubber nairite, sulfur, altax, stearine, diaphene FP, acetonanile R, chloroparaffin, antimony trioxide, dibutylphthalate, carbon black P-803, santogard PVI and combination of active fillers, in mass parts per 100 mass parts of rubber: zinc oxide - 3-8, magnesium oxide - 3-10, titanium oxide - 15-30, and carbon white CW-120 - 20-30.

EFFECT: increased fire resistance of polymer composition layer under continuous exposure of an article to sparks and open fire under pressure; technological compatibility with polymer compositions in manufacturing multilayer rubber-cord articles.

4 tbl

FIELD: chemistry.

SUBSTANCE: polychloroprene article contains polymer easily (in comparison with polychloroprene) chlorinated. The method of fabrication includes the article forming from water dispersion or polychloroprene solution. The method comprises including to dispersion or to polychloroprene solution one or more polymers easily (in comparison with polychloroprene) chlorinated. Preferentially the article represents the glove made of polychloroprene and containing carboxylated butadiene-acrylonitrile rubber, carboxylated styrene-butadiene rubber or polyisoprene.

EFFECT: decreasing of surface layer facilitates putting on gloves one pair to another.

13 cl, 5 ex

FIELD: rubber industry.

SUBSTANCE: invention relates to rubber compound based on "Nairit DP" chloroprene rubber, which compound comprising magnesium oxide, zinc oxide, stearic acid, carbon black (P-145) as rubber extender, and, additionally, modifier preliminarily obtained via interaction, at 150°C, of 1.66-6.68 wt parts epoxide dian resin ED-20 and 0.83-3.34 wt parts aniline production bottom waste containing 15-18 wt parts aniline at weight ratio of components 2:1, respectively.

EFFECT: increased adhesion for metal, improved physico-mechanical characteristics, and reused aniline production waste.

5 tbl

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