Composition for sheet kriostrukturirovaniya collagen containing material
(57) Abstract:Usage: recycling of tannery waste and manufacturing leather imitation materials for footwear and leather industry. The inventive cryostructures composition contains, by weight.h.: dispersed newblance collagen containing raw materials from the skins of cattle 0,005-0,5; water-soluble melamineformaldehyde resin is 0.3 to 1.5; spongy waste tanned with chromium salts leather 3-6; sodium carbonate is 0.5 to 1.5, water 92-96,6, the pH of the composition is 7-10. table 1. The invention relates to the leather industry, as it includes the composition of the waste of skin and a crosslinking agent to obtain a sheet kriostrukturirovaniya leather imitation material collagen type, which can be used in the footwear, leather industry, as well as for the walls, such as the cabin of a vehicle.Known composition from a mixture of waste tanned and redoubling skin and formaldehyde as a crosslinking agent for ristrutturare order to obtain a collagen sheet leather imitation material. However, obtained from this composition sheet leather imitation material has h the th and redoubling skin and urea-formaldehyde resins as crosslinking agent for sheet leather imitation material made of collagen without ristrutturare. While urea-formaldehyde resins used in water-soluble form in the hydrophobic phase as colloidal aqueous dispersion. When it is added to the aqueous collagen dispersion is absorbed resin fibers. Next enter the water dispersion or emulsion adhesive agent, postponed the fibers on the surface of the cationic resin. Stage ristrutturare is missing, the resulting material has a low porosity and high rigidity, which brings it closer in properties to cockatoo, and not to an elastic porous skin.Also known composition for sheet kriostrukturirovaniya collagen containing material  containing dispersed newblance collagen containing raw materials from the skins of cattle, polymer cross-linking agent is a water-soluble melamineformaldehyde resin, a pH regulator and water. The resulting material has insufficient mechanical strength.An object of the invention is the improvement of physico-mechanical properties kriostrukturirovaniya collagen leather imitation material.To achieve these objectives, the composition as a pH regulator contains carbonate intothree the W in the following ratio of the components of the composition, wt.h. Dispersed newblance collagen - containing raw materials from skins of large horn - cattle (counting on dry matter) of 0.005 to 0.5 water Soluble melamine-formalde - Gena resin is 0.3 to 1.5 Spongy waste tanned Sol - mi chrome leather (counting on the dry matter) 3-6 sodium Carbonate is 0.5 to 1.5 Water 92-96,6
As a raw material containing collagen from the skins of cattle use, for example, holeway split hides and skins of bovine (TU 17-06-89-93) or spillway parings of hides of cattle (TU 17-422-74). Getting dispersed nedubrovo collagen containing raw material is carried out according to the method of obtaining collagen paste 
Spongy waste tanned with chromium salts leathers are obtained by razvlechenija waste tanned with chromium salts skin in a known rasoolallah type ROLL (Germany) or Conduct. Device for razvlechenija contains a pair of movable elements with jagged or rough surface. Waste tanned with chromium salts skins are, for example, the waste stage of planing chrome-tanned leather, containing chromium which is about 2-4 wt. 
As the water-soluble melamine-formaldehyde resin may be used, for example, water-soluble chalk the way. To spongy dispersion of waste tanned leather (RADSCH) add the dispersion nedubrovo collagen (DNAs with), polymer component, which serves as a crosslinking agent to produce a pH adjustment using Na2CO3to the required size, the composition is thoroughly mixed. Then the resulting mass is formed into sheets on the trays, freeze in the temperature range from -5 to -20aboutWith defrost. The resulting sheets are dried and pressed to obtain collagen leather imitation material.The receiving sheet kriostrukturirovaniya collagen leather imitation material based on the proposed composition is illustrated by the following examples.P R I m e R 1. 500 g of spongy waste tanned with chromium salts leather (RTSH) humidity of 40% is mixed with 600 ml of water, add 350 g of 3% aqueous dispersion nedubrovo raw material containing collagen from the skins of bovine DNAs with), mix. Then to the resulting mass is added 1 l of 5% aqueous solution of melamine-formaldehyde resin (ISF), mix, add water until the total content 9640 ml and adjust pH to 8 by adding (KN) of carbothane Na2CO3. The resulting homogenized mixture of the obtained composition, shown in the table.For the implementation of ristrutturare composition is placed in a layer on the trays, freeze at temperatures from -12 to -15aboutC for 8 h, then thawed, dried, and pressed.Examples 2 and 3 carried out analogously to example 1. The composition for sheet kriostrukturirovaniya material and properties kriostrukturirovaniya collagen sheet material shown in the table. COMPOSITION FOR SHEET KRIOSTRUKTURIROVANIYA COLLAGEN containing MATERIAL including dispersed newblance collagen containing raw materials from the skins of cattle, polymer cross-linking agent is a water-soluble melamineformaldehyde resin, a pH Adjuster and water, characterized in that as a pH-regulator it contains sodium carbonate, and the pH of the composition is 7 to 10, and further comprises a spongy waste tanned with chromium salts skins in the following ratio of the components of the composition, wt.h.Dispersed newblance collagen containing raw materials from the skins of cattle (in terms of dry substance) 0,005 0,5
Water-soluble melamineformaldehyde resin 0,3 1,5
Water 92,0 96,6
FIELD: food processing industry.
SUBSTANCE: invention relates to soy-based products used as food products with therapeutical and prophylactic properties, in particular to protein-vitamin product, method of preparation thereof, and to compositions of food products based on protein-vitamin product made in the form of plates. Protein-vitamin soy product contains: 41.5-51.5% of protein wherein amount of accessible essential amino acids is 17% of the weight of protein; 42.5-49.5% of biochemical complex; and water - the rest. Method of preparing protein-vitamin soy product consists in heat processing of native soy beans followed by mechanical deformation of beans in hot state to form plates. Compositions of food products based on protein-vitamin soy product further comprise liquid or liquid together with solid food component.
EFFECT: increased consumer's qualities and specific therapeutical and prophylactic properties, whose effectiveness is retained over a period of 25-35 days.
8 cl, 4 tbl
FIELD: chemical industry; biotechnology; production of the new biopolymers by irradiation in the solid phase.
SUBSTANCE: the invention is pertaining to the new products produced on the basis of the biopolymers. The method of modification of the existing in the nature biocompatible biopolymer, which is characterized by the lack of any functional groups, provides for the treatment of the indicated biopolymer being in the solid or the dry state with the source of the ionizing radiation at the presence of the mediating gas. The mediating gas represents the unsubstituted alkene or alkyne gas, in capacity of which may be ethylene, propylene or acetylene and the annealing of the obtained product in the absence of oxygen at the temperature from nearby 40°C up to 120°C, with the subsequent removal of the all remained mediating gas. The modified biopolymer is produced by the above-stated method. The present in the nature modified biocompatible biopolymer produced by the above-stated method is sampled from the group consisting of polysaccharides of the vegetable or animal origin and the protein produced from the connective tissue of an animal, the protein produced from the other tissues of an animal, the combinations of at least of one of the indicated polysaccharides and at least of one other protein of the vegetable origin, or the demineralized bone ("DMB"). The method of modification of the tissue of the animal origin includes switches the treatment of the sample of the indicated tissue or its component in the solid or the dry state with the source of the ionizing radiation at the presence of the mediating gas and the annealing of the obtained product in the absence of the oxygen at the temperature from around 40 up to 120°C, with the subsequent removal of the all remained mediating gas. The invention allows to obtain the biopolymers possessing the good biocompatibility. At that into the source biopolymer do not introduce neither new, nor additional functional groups.
EFFECT: the invention allows to obtain the biopolymers possessing the good biocompatibility.
35 cl, 6 ex, 12 tbl, 43 dwg
FIELD: amino acids, polymers.
SUBSTANCE: invention describes poly-γ-glutamic acid (PGG) of the super-high molecular mass, its average molecular mass is above 5000 Da. This substance is prepared by irradiation of PGG of the super-high molecular mass in form of an aqueous solution by using gamma-radiation, and foodstuff product comprising PGG of the super-high molecular mass. Also, invention describes a composition promoting to absorption of mineral substance in form of solution and comprising PGG of the super-high molecular mass or copolymer of PGG of the super-high molecular mass with polyamino acids carrying the positive charge, and mineral substance. PGG of the super-high molecular mass can be used as an agent enhancing absorption of the mineral substance.
EFFECT: valuable properties of polymer.
10 cl, 6 dwg, 7 ex
SUBSTANCE: present invention pertains to modified gum arabic, widely used as an emulsifying agent, thickener, coating agent, binder and capsule material. Description is given of water soluble modified gum arabic from Acacia Senegal, with weight-average molecular weight of not less than 0.9 million Da and RMS-radius of circular motion of arabinogalactan-protein from 46.3-138 nm. The proposed gum arabic has high content of arabinogalactan-protein and better emulsification properties, emulsion stability, film-forming, encapsulating and adhesive capabilities.
EFFECT: higher content of arabinogalactan-protein and better emulsification properties, emulsion stability, film-forming, encapsulating and adhesive capabilities.
19 cl, 5 dwg, 10 tbl, 8 ex
SUBSTANCE: invention concerns heterobifunctional polymeric conjugates with high molecular mass, useful in provision of the referred delivery of therapeutic agents, and to ways of their reception. The heterobifunctional polymeric promedical products of delivery of biologically active combinations including proteins, monoclonal antibodies and so forth are described. Formula of the compound is preferable, where X1-X6 independently mean O, S or NR1; R44 and R44 ' are independently chosen from polyalkylene oxides; R1 chosen from the group including hydrogen, C1-6-alkyls, C3-12-branched alkyls, C3-8-cycloalkyls, C1-6-substituted alkyls, aralkyls and C3-8-substituted cycloalkyls; R40-43 independently chosen from the group including hydrogen, C1-6-alkyls, C3-12-branched alkyls, C3-8-cycloalkyls, C1-6-substituted alkyls, C3-8-substituted cycloalkyls, aryls, substituted aryls, aralkyls, C1-6-heteroalkyls, substituted C1-6-heteroalkyls, C1-6-alkoxy, phenoxy and C1-6-heteroalkoxy; y and y' independently mean 0 or the whole positive number; p and p' independently mean 0 or 1; n and n' independently mean 1 or the whole positive number; a and b independently mean 0 or the whole positive number, provided that a+b≥2; z means the whole positive number; both D1 and D2 are independently chosen from the group including B, OH, leaving groups, activating groups and end groups; where B is chosen from biologically active components, diagnostic agents and OH. Also ways of reception of a polymeric conjugate and applications of the described compounds for delivery of biologically active component in a cell of a mammal are presented.
EFFECT: development of an effective way of reception of a polymeric conjugate for provision of the referred delivery of therapeutic agents.
32 cl, 9 dwg, 31 ex
SUBSTANCE: invention relates to chemical engineering and techniques for producing veterinary, medical and pharmaceutical preparations. The method of producing a novel antiviral substance based on 2,5-dihydroxybenzoic acid and gelatine includes oxidising 2,5-dihydroxybenzoic acid with laccase enzyme to intermediate phyenoxy radicals and semiquinones, which are then copolymerised with gelatine, and separating the obtained copolymer from low-molecular weight components by dialysis; optimum concentrations of components of the reaction mixture are as follows: 2,5-dihydroxybenzoic acid - 15-80 mM, gelatine - 1-13 mg/ml reaction mixture, laccase - 0.5-10 units of activity/ml reaction mixture.
EFFECT: obtained copolymer has antiviral activity on herpesvirus, particularly Aujeszky's disease virus.
2 tbl, 1 dwg, 3 ex
SUBSTANCE: invention relates to polyurethane foam material, method of obtaining polyurethane foam material, premix for obtaining polyurethane material and product, containing foam material. Polyurethane foam material represents product of reaction of mixture: (a) isocyanate-based reagent; (b) optional compound, which reacts with isocyanate, and protein-containing composition, capable of reducing density of polyurethane foam material by at least 5% relative to polyurethane material, obtained from the same mixture but without protein-containing composition.
EFFECT: obtaining renewable, less expensive and more environmentally friendly agents which can modulate properties of foam materials.
80 cl, 11 tbl, 19 dwg, 14 ex
SUBSTANCE: invention refers to an adhesive composition, a method for adhesion of a first product to a second one, a method for producing a first composite material and a product prepared with the use of the adhesive composition. The adhesive composition contains from 5% to 90% (wt/wt) of a reactive pre-polymer specified in a group consisting of polyisocyanate pre-polymer, epoxy bonding pre-polymer, latex pre-polymer or a combination thereof, and from 10% to 99% (wt/wt) of a recovered polypeptide composition dispersing by the reactive pre-polymer in water. The recovered polypeptide composition is made of corn, wheat, sunflower, cotton, rape, canola, castor-oil plant, soya, camomile, flax, jatropha, mallow, peanut, algae, tobacco, whey or a combination thereof.
EFFECT: preparing the high-effective adhesive compositions possessing the performance parameters similar to those of polyisocyanates.
81 cl, 54 tbl, 38 ex
SUBSTANCE: invention relates to graft polymers based on polysaccharides and polypeptides. Graft polymer based on polysaccharides and polypeptides or respective derivatives thereof are obtained by free-radical polymerisation of A) a monomer selected from following, or a mixture of following monomers: (a) from 20 to 100 wt% acrylic acid or methacrylic acid, or mixture thereof, or salts thereof with an alkali metal, alkali-earth metal or ammonium, (b) from 0 to 80 wt% other monoethylenically unsaturated monomers, which can be copolymerised with monomer (a) and (c) from 0 to 5 wt% monomers containing per molecule at least 2 ethylenically unsaturated unconjugated double bonds in presence of B1) polysaccharides subjected to oxidative, hydrolytic or enzymatic decomposition, oxidised polysaccharides subjected to hydrolytic decomposition or subjected to enzymatic decomposition, or chemically modified decomposed products, chemically modified mono-, oligo-or polysaccharides, or mixtures of said compounds and B2) polypeptides subjected to hydrolytic or enzymatic decomposition and optionally chemically modified polypeptides, or mixtures of said compounds, with weight ratio A:(B1+B2) ranging from 60:40 to 1:99 and B1:B2 from 97:3 to 3:97. Also disclosed is a method of producing graft polymers, method of tanning leather, and tanned leather.
EFFECT: wider range of polymers for various types of tanning.
7 cl, 18 ex
SUBSTANCE: invention relates to protein adhesives and methods of producing and using such adhesives for making various articles from wood. Adhesive composition contains (a) from approximately 1 wt% to about 90 wt% of a chemically reactive prepolymer and (b) milled vegetal flour in an amount sufficient for dispersion of the chemically reactive prepolymer in an aqueous medium; the milled vegetal flour is produced from corn, wheat, sunflower seeds, cotton, rapeseed seeds, canola, castor oil plant, soya, camelina, flax, jatropha, mallow, peanuts, algae, sugar cane pomace, whey or their combination, or a recovered polypeptide composition obtained from vegetal biomass.
EFFECT: obtaining adhesives.
96 cl, 33 dwg, 64 tbl
FIELD: leather industry.
SUBSTANCE: semifinished product is degreased, neutralized, dyed, and lubricated. Dyeing is performed in two washing-interrupted steps with anionic black dye consumed in amount 0.5-0.6% of the weight of semifinished product in each dyeing step. Lubrication is followed by retannage with chrome tanner in amount 0.6-1.0% of the weight of semifinished product (calculated for chromium oxide) and treatment with 0.8-1.0% of spindle oil.
EFFECT: achieved deep black color and high performance characteristics.
1 tbl, 5 ex
FIELD: polymer materials.
SUBSTANCE: sheet porous collagen-containing material, suited to be used in footwear, furniture, and vehicle manufacture, comprises water-soluble plasticizer and particles of hydrophilic filler in the form of fibers with length-to-diameter ratio between 5 and 500. At least 50% of fibers are parallel to sheet sides with largest surface areas. This sheet is characterized by rupturing relative elongation when stretched in one direction in planes of the largest sides equal to 10-30%, modulus of compression elasticity for thickness equal to 50-300 kPa, and coefficient of thickness restoration after 70% compression for 5 h equal to 0.90-0.95 at 8-12% moisture. Also described is method of manufacturing such material including following operations: mixing hydrophilic fibers having length-to-diameter 5-500 with aqueous collagen solution and multifunctional cross-linking agent to form homogenous mass containing 1-20% fibers, 1-5% collagen, and 0.2-20% cross-linking agent; freezing liquid sheet and unfreezing it followed by pressing resulting porous sheet; softening with water-soluble plasticizer; second pressing; and drying.
EFFECT: enhanced damping ability of sheet and simplified manufacturing technology.
8 cl, 2 tbl, 10 ex
FIELD: production of agricultural manufacturing.
SUBSTANCE: the present innovation deals with obtaining fur coats from birds' carcasses. A fur coat includes a bird skin and a fluff coat on it. Bird skin should be taken in cold period of the year, moreover, at first, the skin is manufactured and then - a fluff coat. In peculiar case, fur coat is obtained from water birds, for example, from goose.
EFFECT: broadened assortment of consumer's goods.
FIELD: leather industry.
SUBSTANCE: material and manufacturing procedure relate to macroporous collagen-containing materials accessible via processing of collagen-containing slurries showing complex of physico-mechanical and hygienic properties usually being characteristic of leather made from animal skins and which can be used in leather industry. Leather-like macroporous material contains collagen, tanned leather fibers, and polymer possessing capability of joining collagen fibers into one indivisible structure, amount of said polymer corresponding to 3-30% based on the summary weight of collagen and leather fibers. Method for manufacturing leather-like macroporous material envisages use of freezing followed by vacuum drying to residual moisture no higher than 12%, ageing at room temperature for 1 day period, treatment with aqueous polymer dispersion providing joining of collagen fibers into indivisible structure, and additional vacuum drying at temperature no lower than polymer film-formation temperature and no higher than temperature of the beginning of thermal shrinkage of collagen fibers.
EFFECT: improved physico-mechanical properties of leather-like macroporous sheet material and simplified manufacturing procedure.
4 cl, 4 ex
FIELD: polymer materials.
SUBSTANCE: invention relates to technology of synthetic fibers, in particular to producing composite bicomponent fibers of the islands-in-sea type and deerskin-type materials, in blends and stripped. In its island, polyethylene-terephthalate component, fibers comprise diol comonomer of formula I and formula II and, while its sea component is made from polyester copolymer easily soluble in alkali. Linear density of fiber varies from 0.001 to 0.5 denier. Deerskin-type materials is made completely or partly from ultrafine fibers with specified density and including indicated diol comonomer of formula I and II. Blended material and stripped material are manufactured using some parts of indicated islands-in-sea bicomponent fiber. Lower are formulas I and II: wherein R1 and R2 are С1-С3-alkyl groups and X aliphatic ring with 5-8 carbon atoms.
EFFECT: enhanced color saturation.
14 cl, 3 dwg, 1 tbl
FIELD: leather industry; treatment of collagen-containing raw material of fish skin formed in the course of dressing.
SUBSTANCE: waste of fish skin treatment process in leather and fishing industries is frozen, ground in pieces of 20x20 mm, defrosted by washing with tap water which is changed for two or three times; washing is continued for 2 hours at temperature of 18-20 C. Then pieces of waste are treated with solution containing 2-4-% CH3OOO at volume ratio equal to 5 and are kept in solution at regular mixing for 12 hours at temperature of 18-20 C. After treatment, solution is drained. Collagen thus obtained is washed with running water for 30 minutes at temperature of 18-20 C. After washing, collagen is dissolved in alkaline salt bath for 4 hours: 2-3-% NaOH and 6-7-% Na2SO4 at volume ratio equal to 5 and temperature of 18-20 C. Then homogenization is carried out through capron cloth. In the course of homogenization, undissolved scale is removed from capron cloth.
EFFECT: enhanced dissolving of collagen; reduced duration of technological cycles; reduced consumption of reagents; low contamination of waste water.