Polymer composition for bottom shoes


(57) Abstract:

The invention relates to the rubber industry, in particular to compositions for bottom shoes. The polymer composition comprises, by weight.h.: butadiene-styrene rubber having a content of bound styrene of 30 wt.% or butadiene-styrene thermoplastic elastomer 100, 1,4-phenylene-bis-biguanides 2,5-5,5, modifier oligopyrroles brand ICF 8-15, softner: paraffin 8-15, vaseline technical 0-8 and rosin 0-5, Aerosil 25-35, kaolin 20-30, the pore-forming CHS-21 1,5-1,8, antioxidant phenolic type 0,5-1,0, light 4-alkoxy-2-hydroxy-benzophenone, 0.5 to 1.5. The composition has a high viscosity, heat resistance, strength of materials at break and durability of the adhesive joints of the bottom of the uppers of shoes made of natural leather. table 2.

The invention relates to the rubber industry, in particular to polymeric compositions for bottom shoes.

Known rubber mixture for the bottom of a Shoe, comprising a combination of butadiene-styrene and butadiene-methylstyrene rubbers in a mass ratio of 70: 30, sulfur, stearic acid, zinc oxide, 2,2'- dimensionalised, diphenylguanidine, regenerate, Aerosil, white carbon, azodicarbonamide CHS-21, a pore-forming paste, aromatic the 05.1990).

However, the composition having good resistance to repeated tension and bending, and abrasion, has a low tensile strength and durability of adhesive joints soles with uppers of the shoes.

Known composition for parts of footwear, including shoes for the bottom, including butadiene-styrene thermoplastic elastomer, plasticizer, mineral filler, stabilizer, blowing agent CHS-21 and curing agent in the indicated amounts (EN, 2061715 A1, 10.06.1996).

However, this composition has drawbacks - low conventional strength at break and adhesion performance. The closest prototype of the selected polymer composition for bottom shoes, including butadiene-sterelny polymer - thermoplastic elastomer, Aerosil, kaolin, softner - industrial oil, Preobrazovatel - azodicarbonamide CHS-21, antioxidant (EN, 2161429 C1, 10.01.2001).

This composition has a high strength at break of 10.4 to 12.2 MPa, high elongation 529-1120%, the hardness at 70-71.E. However, the disadvantages include low viscosity, heat resistance, and the strength of the adhesive connection soles with uppers of shoes made of natural leather.

The problem is solved in that the polymer composition for the bottom of a Shoe, comprising a butadiene-styrene polymer, Aerosil, kaolin, softening agent, a pore-forming - azodicarbonamide CHS - 21, antioxidant phenolic type, as a butadiene-styrene polymer contains styrene-butadiene rubber with 30 wt.% linked styrene or butadiene-styrene thermoplastic elastomer, as a softener - paraffin, petrolatum technical, rosin and extra - 1,4-phenylene-bis-biguanides, modifier-oligopyrroles brand of ICF, light - 4 alkoxy - 2-hydroxybenzophenone in the following ratio, wt. including:

Specified butadiene-styrene polymer - 100

1,4-Phenylene-bis-biguanides - 2,5-5,5

Modifier ICF - 8-15

Paraffin - 8-15

Vaseline technical - 0-8

Rosin - 0-5

Aerosil - 25-35

Kaolin - 20-30

The pore-forming - azodicarbonamide CHS-21 - 1,5-1,8

Antioxidant phenolic type - 0,5-1,0

Light - 4-alkoxy-2-hydroxybenzophenone linked styrene and 30 wt.% the following grades: SKS-30 ark (GOST 6074-57), SCS-30 apkm-15 (GOST 11138-65 ) and Thermoelastoplastic DST-30 (TU-38 103267-80 ) and Sibelan (TU-RSFSR-8879-887904-92).

1,4-Phenylene-bis-biguanides has a chemical structure

< / BR>
and performs the composition of the function linking agent (TU-6-14-778-76). Oligopyrroles brand ICF is in the composition in the role of modifier properties of the polymer composition (TU-32-1780-76) and together crosslinking agent improves the strength, adhesion and other properties of the composition - resistance to repeated bending, abrasion, elasticity, heat resistance, resistance to aggressive media (oil, gasoline) compositions. As softener composition comprises paraffin (GOST 784-83), petrolatum, technical (OST-38-0156-79) and rosin (GOST 797-64). Aerosil (GOST-14922-77 ) and kaolin (GOST 19608-84) is in the composition as a filler azodicarbonamide CHS-21 is used as blowing agent (TU - 6-03-408-76). As an antioxidant phenolic type can be used 2,2'- methylene-bis(6-tert-butyl-4-METHYLPHENOL) (TU 38-101617-76), which protects the rubber from the action of oxygen and heat. In combination with it is used as sitosterolemia 4-alkoxy-2-hydroxybenzophenone (TU 6-14-197-76). Both belong to nekrashevych stabilizers. The composition subretinally a crosslinking agent, then according to the given recipe add other components. After mixing, the mixture granularit on standard equipment. Formed into finished products by injection molding or pressing. The resulting polymer composition according to the invention is illustrated by the examples in table 1.

Measurement of physico-mechanical parameters was carried out in accordance with GOST. All indicators are shown in table 2.

The polymeric material of the composition and plantar products have a porous structure, light and durable, have high enough performance.

Polymer composition for the bottom of a Shoe, comprising a butadiene-styrene polymer, Aerosil, kaolin, softening agent, a pore-forming - azodicarbonamide CHS-21, antioxidant phenolic type, characterized in that it contains as butadiene-styrene polymer, styrene-butadiene rubber content of 30 wt. percent bound styrene or butadiene-styrene thermoplastic elastomer, as a softener - paraffin, petrolatum technical, rosin, and optionally the composition comprises 1,4-phenylene-bis-biguanides, modifier - oligopyrroles brand of ICF, light 4-alkoxy-2-hydroxybenzophenone the next zootoxin

Modifier ICF - 8 - 15

Paraffin - 8 - 15

Vaseline technical - 0 - 8

Rosin - 0 - 5

Aerosil - 25 - 35

Kaolin - 20 - 30

The pore-forming - azodicarbonamide CHS-21 - 1,5 - 1,8

Antioxidant phenolic type - 0,5 - 1,0

Light 4-alkoxy-2-hydroxybenzophenone - 0,5 - 1,5


Same patents:

The invention relates to the rubber industry

The invention relates to thermoplastic compositions based on mixtures of polymers and copolymers of styrene

The rubber mixture // 2181367
The invention relates to the rubber industry, in particular rubber compound on the basis of butadiene-styrene and ethylene-propylene rubber

The invention relates to the field of production of bitumen-polymer compositions used in road construction in obtaining polymer-bitumen binders in the manufacture of roofing and waterproofing materials, sealants, mastics

The invention relates to a process of manufacturing rubber ebonite products can be used in aviation, engineering, agriculture, medicine and everyday life

The invention relates to compositions of macromolecular compounds, namely, bituminous materials, and can be used, for example, in the manufacture of an expansion joint for road bridges

The invention relates to variants of the rubber with fillers, including slag ferrography camerascamera, and can be used in the manufacture of rubber products

The invention relates to railway industry and can be used to produce compositions for nachalnik gaskets

The invention relates to railway industry and can be used to obtain compositions for nachalnik rubber gaskets

The invention relates to the manufacture of articles intended for use in friction mechanisms vehicles, brake nodes anchoring and mooring arrangements floating funds, other industries

The invention relates to polymeric compositions intended for the manufacture of Shoe soles molding under pressure

FIELD: technology for silicium dioxide production useful as additive for polymer reinforcement.

SUBSTANCE: claimed method includes silicate reaction with acidifying agent to produce silicium dioxide slurry separation and drying of said slurry, wherein reaction is carried out according to the next steps: i) providing base aqueous solution with pH from 2 to 5, preferably from 2.5 to 5; ii) simultaneous addition silicate and acidifying agent to said base solution maintaining solution pH from 2 to 5, preferably from 2.5 to 5; iii) addition silicate only without acidifying agent to produce pH from 7 to 10, preferably from 7.5 to 9.5; (iv) simultaneous addition silicate and acidifying agent to reaction medium to maintain pH from 7 to 10, preferably from 7.5 to 9.5; (v) addition acidifying agent only without silicate to produce reaction medium pH below 6. Obtained high structured silicium dioxides have the next characteristics: CTAB specific surface (SCTAB) is 40-525 m2/g; BET specific surface (SBET) is 45-550 m2/g; width Ld ((d84-d16)/d50) of particle size distribution measured by XDC grading analysis after ultrasound grinding is at least 0.92; and such pore distribution that V(d95-d50)/V(d5-d100) is at least 0.66.

EFFECT: improved material for polymer reinforcement.

FIELD: shoe industry, in particular, manufacture of shoe sole.

SUBSTANCE: method involves making shoe sole from cured rubber which may be mixture consisting of curable butadiene acrylonitrile rubber (synthetic butadiene nitrile rubber) of at least one hydroxyl-containing polyacrylate polymer, at least one reinforcement filler and at least one curing promoting agent; introducing predetermined dosed amount of said mixture into first cavity of mold having base defined by piston, with temperature thereof being maintained within the range of from 100 C and 200 C; maintaining temperature of pattern shoe positioned in upper part of mold within the range of from 100 C to 200 C, with temperature values in upper part and near bottom part of mold being independently adjusted; after manufacture of tread sole, lowering thus formed sole base supported by piston and forming additional cavity; injecting two-component polyurethane into newly formed cavity. Curable rubber produced from received mixture has many free links which react with polyurethane to thereby produce high durability connection.

EFFECT: increased efficiency in manufacture during one and the same cycle from cured rubber of sole provided with tread and connected to intermediate sole.

29 cl, 4 dwg

FIELD: shoe industry, in particular, process for manufacture of shoe sole consisting of two parts connected with one another through adhesive.

SUBSTANCE: method involves continuously forming rubber tread in mold; during curing procedure, applying adhesive directly onto rubber tread, said adhesive consisting of aqueous dispersion of thermoplastic polyurethane and activator, the latter causing cross-linking of thermoplastic polyurethane; evaporating water dispersed in adhesive; thereafter, applying polyurethane layer onto tread of cured rubber, said layer forming mid portion of sole. Adhesive preferably used in said method consists of aqueous dispersion of thermoplastic polyurethane combined with activator causing cross-linking of thermoplastic polyurethane.

EFFECT: increased efficiency by providing manufacture of composite sole for one and the same production cycle.

14 cl

FIELD: shoe industry.

SUBSTANCE: method involves using mixture for producing of vulcanized rubber combined with at least one reinforcing filler and at least one vulcanization accelerator. Said mixture has composition including at least one nitrile-based vulcanized rubber and at least one hydroxylated acrylic polymer introduced in solvent naphtha. Method further involves introducing dosed amounts of mixture into first cavity of mold having bottom defined by punch, with temperature therein being maintained within the range of 100-200°C, and top part wherein shoe-stopper is positioned and temperature is also maintained within the range of 100-200°C, said temperatures being regulated independently from one another; after manufacture of wearing part of sole using above method, lowering sole bottom part carrying punch for defining additional cavity; injecting polyurethane into said additional cavity. Vulcanizate may additionally react with polyurethane components to provide for strong mutual binding of two materials.

EFFECT: manufacture of sole for one cycle, said sole comprising wearing part containing vulcanizate joined with polyurethane substrate, that is, time wasting between processes for manufacture of sole wearing part having given composition and properties is avoided.

14 cl, 4 dwg

FIELD: textiles, paper.

SUBSTANCE: present invention relates to shoe soles, comprising a rubber composition containing nitrile rubber at least from 60 to 100 RFE, reinforcing filler between 10 and 50 RFE, plasticizing system containing hydrocarbon resin where the Tg is above 20°C, a plasticizer which is liquid at 20°C, its Tg is below -20°C, the crosslinking system.

EFFECT: invention enhances the adhesion to surfaces of different quality, increased resistance to abrasion, punctures and cuts and reduced absorption capacity with respect to synthetic or natural hydrocarbons.

16 cl, 3dwg, 3 tbl

FIELD: chemical and petrochemical industries.

SUBSTANCE: the invention is pertaining to the field of chemical and petrochemical industries, in particular, to a polymeric composition and a method of its production. The method of production of a polymeric composition includes introduction of the maleinized polybutadiene containing from 10 up to 24 mass % of maleinic anhydride into a polymerizate, formed after termination of a synthesis of a block copolymer of A-B-A type and-or a block copolymer of (А-B)nX type, where "A" - is a vinylaromatic block, "B" - is a conjugated diene polymeric block, "X" -is a residue of a combining agent, "n" - is an integer equal from 2 up to 4, at a mass ratio of the indicated block of the copolymer and maleinized polybutadiene making 100 : (10-20). After that the target polymeric composition is separated from the reaction mass and dry up to the contents of the volatile impurities is no more than 0.2 mass %. The technical effect is development of a simplified method of production of a polymeric composition, which has an increased resistance against a multiple bending and an increased adhesion.

EFFECT: the invention ensures a simplified method of production of a polymeric composition with increased resistance against a multiple bending and an increased adhesion.

4 cl, 6 ex

Rubber composition // 2254348

FIELD: rubber industry.

SUBSTANCE: invention concerns a method for grafting polymers based on conjugated diene monomers to brominated butyl rubbers and using thus obtained grafted copolymers in rubber compositions, which, after vulcanization, acquire improved physical characteristics. Grafting procedure comprises mixing solid brominated butyl rubber with solid polymers based on conjugated diene monomer including some quantity of bonds C-S-(S)n-C with n being an integer equal from 1 to 7. Mixing is conducted at temperature above 50 over a period of time long enough to complete the grafting. Rubber composition containing above grafted polymer optionally includes one or more curing agents. Cured rubber composition is intended for manufacturing tracks.

EFFECT: increased shock-absorbing capacity of products.

14 cl, 5 dwg, 5 tbl, 3 ex

FIELD: preparation of compositions for cables filling.

SUBSTANCE: the invention is pertaining to preparation of compositions for filling the cables used in the field of a distant data transmission. Prepare a composition containing (in mass %): a mineral or a synthetic oil - 70-90, the hydrogenated block of styrene and butadiene copolymer with radial structure - 2-15, polyethylene wax - up to 12. The block of the copolymer can be synthesized using silicon tetrachloride or stannic chloride. The technical result of the invention consists in improvement of the index of compositions drops-protection and a stability augmentation.

EFFECT: the invention ensures improvement of the index of compositions drops-protection and a stability augmentation.

7 cl, 2 tbl, 3 ex

FIELD: organic chemistry, rubber industry.

SUBSTANCE: invention relates to a vulcanizing composition comprising rubber vulcanized with sulfur, sulfuric vulcanizing agent, accelerating agent taken among a group comprising of non-thiazolsulfenamide accelerating agents and agent providing stabilization of hardness that comprises derivative of pyrimidine of the formula (I):

wherein X represents hydrogen atom (H), radical from R1 to R4, NR3R4, OR5, SR5, SO2R6, M, (SO3)zM (wherein M represents metal ion); n and z can be similar or different and = 1, 2 or 3 depending on the corresponding valence of X and M = 1, 2 or 3; radicals from R1 to R4 are similar or different and taken among the group comprising of H, halogen atom, -OH, -NH2, alkyl, cycloalkyl, aryl, alkylaryl, alkylaryl, aralkyl and each among substitutes has optionally additional functional groups taken among the group consisting of -NH2, -OH, substituted amino-group, substituted hydroxyl, halogen atom and carbonyl-containing group; R3 and R4 in the same link in common with nitrogen atom (N) can form a heterocyclic group; R5 can mean any radical from R1 to R4 formed by carbon-base heterocyclic group comprising at least one sulfur (S) or nitrogen (N) atom or both S and N; R6 is taken among any radical from R1 to R4, -OH, -OM, -OR5, -NH2, NR3R4. The corresponding amount of accelerating agent and hardness stabilizing agent is effective in order to not inhibit vulcanization and to stabilize hardness property of indicated rubber after vulcanization. The amount of accelerating agent in indicated composition is above about 0.6 part per 100 parts of rubber when indicated rubber represents butadiene styrene rubber (SBR), and at least 0.5 part per 100 parts of rubber when indicated rubber represents the natural rubber, and the amount of the hardness stabilizing agent is at least about 0.5 part per 100 parts of rubber. Also, invention involves a method for enhancing hardness stabilization of the composition comprising rubber vulcanized with sulfur by addition of above indicated accelerating agents and pyrimidine derivative to the composition.

EFFECT: valuable properties of compounds.

28 cl, 8 tbl, 4 ex

FIELD: chemistry of polymers, chemical technology.

SUBSTANCE: invention relates to isobutylene-base polymeric composition, namely to mixtures of semicrystalline ethylene copolymers with brominated butyl rubber. Semicrystalline ethylene copolymers represent a statistic copolymer prepared from ethylene monomers, one or some other monomers taken among the order comprising alpha-olefins comprising from 4 to 10 carbon atoms and optionally one or some dienes. Semicrystalline ethylene copolymer comprises ethylene links in the amount, at least, 45 wt.-% as measured for mass of this semicrystalline copolymer. Polymeric composition is prepared by mixing isobutylene-base polymer and semicrystalline ethylene polymer and the polymeric composition can comprise additionally amorphous polymer, oil, low-molecular polybutenes, antioxidants, stabilizing agents, filling agents, pigments and carbon black. Prepared polymeric mass shows the stress value from 0.1 to 1 MPa at elongation of sample by 100% at 50°C, air penetrability of vulcanized mixture is less 8 x 10-8 cm3 x cm/cm2 x s x atm at 65°C.

EFFECT: improved properties of mixtures.

4 cl, 5 tbl