The method of obtaining the hydrated cellulose membranes
(57) Abstract:Usage: the invention of hydrate cellulose casings for stuffing meat products. The inventive viscose formed in a precipitation bath with getting the hydrated cellulose membranes. Washed, disulfiram and again washed. Dried until the moisture content corresponding to a specified quantity of glycerol in the finished shell installed on the graphical dependence. Then wet the membrane with diameter of 5 - 10% larger than the specified diameter of the finished shell is maintained at 20 to 155°C. the Excess of glycerol is removed. Keeping in glycerol is subjected to a shell with a humidity of 60 to 100% in the form of a tape. 2 C.p. f-crystals, 1 Il., table 1. The invention relates to the production of chemical fibers, in particular the production of membranes bag method used for stuffing meat products.A method of obtaining the hydrated cellulose tubular products forming viscose, modified aminoguanidinium in the form of an aqueous emulsion in a precipitation bath, acid treatment freshly formed products, washing and drying, and before the drying processing of the aqueous solution with a mass fraction of glycerol in the range from 10 to 22%. Drying with hot who is th temperature 90aboutWith and at the output 120aboutWith .The closest in technical essence and the achieved result is used in the industry is a method of obtaining hydrate cellulose film for the manufacture of casings of sausages, including continuous molding shell viscose in a precipitation bath with full finishing, drying, and winding shell on a bobbin .Finish hydrocellulose shell includes flushing of membrane current and softened water, desulfurization and plasticization of glycerin. Drying of the membrane is in an inflated state, which at the end of the drying tube at the winding at the time of filling bobbins inside shell injected a small amount of compressed air. Drying parameters shell: the temperature of the steam in the jacket of the dryer from 165 to 185aboutWith excessive pressure of 0.15 MPa, the temperature of the inlet air pipe from 80 to 110aboutWith, at the exit from 30 to 60aboutC. the winding Speed of the shell from 8 to 15 m/min length of the drying channel 18 PM also, before drying shell plastificator solution of glycerol with a density of from 1.01 to 1.02 g/cm3at a temperature of from 50 to 60about(See the same regulation, 50, 51). Mass fraction of glycerol in the finished product is 20 2%.
2) drying of the casing in an inflated condition, as due to shrinkage in the transverse direction during drying are not provided required when processing shell diameter and physico-mechanical properties;
3) waste narzuty membranes during drying due to punctures it with molding to remove gases and fluid that collects inside the shell;
4) large amounts of heat due to losses during convective drying;
5) implementation of plasticization of the membrane with an aqueous solution of glycerol in two barkah before drying.
when 40aboutC for 20 sec (example 6);
at 60aboutWith in 15 seconds (example 7);
when 80aboutC for 10 s (example 8);
if 105aboutWith over 5 (example 9);
at 125aboutWith over 3 (example 10).Excess glycerol remove the rollers. Heat efficiency of 0.95, waste winding per 1000 m of the casing, respectively 1,72; 1,81; 1,49; 1,62; and 1,64 1,58%.Properties of the obtained membranes are presented in the table. 1. The METHOD of OBTAINING the hydrated cellulose MEMBRANES, including the formation of the viscose into the precipitation bath, dopostavleno freshly formed products, washing, desulfurization, washing, processing glycerin and winding, characterized in that, to improve efficiency of production while ensuring a given mass fraction of glycerol and water, the hydrated cellulose membrane after the last washing is dried until the content of moisture corresponding to a given quantity is given by keeping it wet cellulose casings with a diameter of 5 10% larger than the specified diameter of the finished shell, at a temperature of 20 - 155oWith the subsequent removal of excess glycerin.2. The method according to p. 1, characterized in that the holding glycerol is subjected to a shell with a humidity of 60 - 100%.3. The method according to PP.1 and 2, characterized in that the holding glycerol is subjected to a shell in the form of a tape.
FIELD: film for food packing.
SUBSTANCE: claimed tubular film contains at least three polyamide layers, wherein each layer consists mixture of (mass parts) polyamide 6 70-77; polycaprolactam-hexamethylenediamine-adipic acid copolymer 5-11; amorphous resin 20-25; aromatic polyamide containing hexamethylene diamine and terephthalic acid units in molecule 3-8; and mixture of acid modified copolymers 0.3-5.
EFFECT: film of improved barrier properties, moldability, abrasive and oil resistance.
FIELD: food-processing industry, in particular, machines for producing artificial protein casing, more particular, construction of forming head.
SUBSTANCE: head has housing with branch pipe provided with bushing. Immovable shaft with longitudinal opening for supplying of compressed air is incorporated inside housing. Immovable shaft carries sleeve arranged so as to define collagen mass slot relative to branch pipe bushing, and rotary sleeve connected with ring, on which conical roller bearings and spiral gear are disposed. Head has collagen mass supplying system connected with housing mid portion, and cooling system. Head is equipped with movable and immovable end water and mass tight gaskets respectively positioned in mid portion of housing, and water-tight gaskets arranged in its rear portion. Helical grooves of 0.8-0.9 mm depth and thread angle of 60±2 deg are formed on rotary sleeve.
EFFECT: increased efficiency and provision for producing of required amounts of products owing to complete collecting of collagen mass for forming of casing and elimination of carrying away of said mass with water.
3 cl, 4 dwg
FIELD: packaging materials.
SUBSTANCE: sleeve-like shell is composed of inner layer A, central layer E and outer layer G. Inner layer A tightly fits the contents and mainly consists of aliphatic polyamide or copolyamide and/or polyamide or copolyamide including aromatic links. Central layer E is mainly formed of aliphatic polyamide or copolyamide and/or polyamide or copolyamide including aromatic links. Outer layer G is also formed of aliphatic polyamide or copolyamide and/or polyamide or copolyamide including aromatic links. Located between inner layer A and central layer E is polyolefin intermediate layer C preventing water vapors from penetrating through the layer. Connected with layer A is adhesive layer B. Layer E is coated with adhesive layer D. Oxygen-barrier intermediate layer F is located between outer layer G and central layer E.
EFFECT: increased impenetrability for water vapor and oxygen, increased shelf life of products packed in above shell.
11 cl, 2 tbl, 8 ex
FIELD: cellulose-based sleeved casing for food products.
SUBSTANCE: corrugated sleeved casing is manufactured by method including preparing cellulose solution with the use of solvent such as N-methyl-morpholine-N-oxide. Corrugated sleeved casing is especially stable and is therefore suitable for fully automatic stuffing apparatuses of the type employed for producing of sausages cooked in water or bouillon.
EFFECT: improved strength and provision for using such casing in fully automatic food processing systems.
12 cl, 2 dwg
FIELD: food processing industry, cellulose food casings, in particular pigmented tubular cellulose casings and method for production thereof.
SUBSTANCE: according to the present method pigment based on perylene tetracarboxylic acid in combination with at least one additional pigment are introduced in viscose before extrusion through nozzle to produce casing. Obtained casing after filling with foodstuff appears as natural smoked product with redwood color. Additional pigment is selected from group containing β-phthalocyanine, diazo and monoazo pigments. Pigmented cellulose casing includes 0.4-4 mass %, preferably 1-2 mass % of perylene tetracarboxylic acid.
EFFECT: pigmented cellulose casing which doesn't discolor under microorganism action in vacuum package.
7 cl, 3 ex, 1 tbl
FIELD: food-processing industry, in particular, preparing of linked sausage products.
SUBSTANCE: apparatus has co-extrusion device for pasty mass and casing enclosing said pasty mass, casing hardening means, twisting means, and conveyor positioned rearward of twisting means. Co-extrusion device and twisting means for guiding link on the one side, and conveyor on the other side are adapted for rotation relative to one another.
EFFECT: increased efficiency, compact construction and provision for conditions desirable for twisting operation.
19 cl, 10 dwg
FIELD: food processing industry, in particular production of edible collagen membrane for sealing of foodstuffs such as ham, etc.
SUBSTANCE: according to invention fresh porcine skins are rapidly frozen. Then before further treatment thereof skins are defrosted and defatted by using enzymes. Further skins are sequentially treated by fast alkaline hydrolysis, acid hydrolysis and ground to produce gel-like liquid mass. In last step gel-like mass is extruded, plated and dried to produce target membrane.
EFFECT: collagen sealing membrane with excellent protective characteristics against food oxidation and dehydration.
22 cl, 1 dwg, 2 ex
FIELD: chemical engineering; production of the laminated multilayered welded flat film used for manufacture of welded hose-type films.
SUBSTANCE: the invention is pertaining to the laminated multilayered welded flat film for manufacture of a welded hose-type films used as a packing and a shell for food stuff. Both surface layers of the multilayered flat film are formed at least of one copolyamide and at least of one amorphous polyamide and-or at least of one homopolyamide and-or at least of a modified polyolefin. The multilayered flat film is manufactured using a method of masking, at least, of two flat films, which in turn are a single layered-or multilayered and not obligatory are biaxially stretched out. The invention allows to increase the strength of the welded seam and to improve impermeability for a water steam and oxygen.
EFFECT: the invention ensures an increased strength of the welded seams of the laminated multilayered welded flat film and its improved impermeability for a water steam and oxygen.
25 cl 5 ex
FIELD: food processing industry.
SUBSTANCE: claimed formulation contains the first polysaccharide having negative charge in formulation and converting into gel under cation effect, ad at least one the second component having neutral charge in formulation. Method for production of edible coating includes extrusion of said formulation and contacting of extruded formulation with gel-forming agent.
EFFECT: coating of high stability, continuity and good appearance.
16 cl, 5 ex
FIELD: manufacture of portion packages with pasty contents, in particular, sausages.
SUBSTANCE: method involves forming film hose from flat tape film provided at its one side with bonding layer; unwinding flat tape film from dispensing source and longitudinally bending for producing of hose so that bonding layer is disposed at the outer side, with longitudinal edges being opposed to one another; preliminarily separating strip having bonding layer from said film; placing separated strip onto both longitudinal edges and connecting therewith; filling resultant film hose with respective contents immediately after connection of longitudinal edges.
EFFECT: simplified method for manufacture of packages and reduced production costs.
2 cl, 3 dwg
FIELD: layered products.
SUBSTANCE: foil comprises basic foil made of oriented polypropylene foil or foil made of polyethylene terephthalate metallized from one side. One side of the foil having the metallized covering is provided with print covering which in turn is provided with lacquer welded under high temperature conditions.
EFFECT: simplified packing of products.
12 cl, 2 dwg
FIELD: production of a synthetic metal paper.
SUBSTANCE: the invention is dealt with production of a synthetic metal paper, in particular, a synthetic metal paper for packing rectangular subjects, which are mainly formed in the process of packing, for example, of the soup small cubes. The metal paper contains a basic metal paper made out of an oriented polypropylene film or a polyethylene terephthalate and preferable is a biaxially oriented polypropylene film metallized on one side. On the side having a metallized coating a printed cover is applied put, and on the side of the basic metal paper, that has no a metallized coating, a profiled mainly in the form of a band cold-setting adhesive is applied. The synthetic metal paper according to the invention is rational in production and ensures a maximum protection to the packed items.
EFFECT: the invention offered synthetic metal paper is rational in production and ensures a maximum protection to the packed items.
10 cl, 2 dwg, 2 ex
FIELD: polymer materials.
SUBSTANCE: invention relates to manufacturing optically perfect films, resistant to atmospheric effects and rupture-strong protective and ornamental films containing, in one layer, fluoropolymer/poly(meth)acrylate mixture. Method comprises preparation of mixture containing a poly(meth)acrylate and a fluoropolymer followed by flattening of this mixture into film. Flattening is accomplished by extrusion onto roll at temperature ≤ 100°C. Temperature of mixture is maintained below mixture gelation temperature. Before die inlet, mixture passes filter. Temperature of die is by 5-15°C higher than temperature of mixture entering die but below mixture gelation temperature.
EFFECT: enhanced surface brightness and increased modulus of elasticity of films.
9 cl, 3 dwg
SUBSTANCE: invention relates to technology for making molded articles made of biologically decomposing polymers. The composition for molding comprises biologically decomposing polymer and material preparing from marine plants and/or shells of marine animals, or at least two components taken among group consisting of saccharides and their derivatives, proteins, amino acids, vitamins and metal ions. The composition elicits good stability and ability for processing. Articles made of this composition show low capacity to fibrillation. Invention can be used in manufacturing package materials or fibrous materials - yarn, nonwoven or textile articles.
EFFECT: improved method for making, valuable properties of articles.
15 cl, 18 tbl, 3 dwg, 16 ex
FIELD: sanitary and hygienic facilities.
SUBSTANCE: invention relates to biodegradable film materials for manufacture of such articles as baby swaddling bands, female hygienic products, hospital bed-sheets, and the like. Film subjected to stepped stretching is made from polyester containing disperse phase constituted by inorganic filler. Film is characterized by steam passage above 1000 g/m2/day according to ASTM E96E and air permeability 30 cm3/cm2/min at air pressure 620.52 kN/m2. Film is manufactured by extruding polymer melt mixed with filler through slot extrusion die into cooling zone. Film is impermeable for liquids.
EFFECT: enhanced hygienic properties.
17 cl, 5 dwg, 2 tbl, 10 ex
FIELD: polymer materials.
SUBSTANCE: waterproof film is manufactured by heating polyvinyl alcohol-based film to 100-150°C and affecting it by microwave emission for 5-10 min.
EFFECT: enabled modification of film at essentially full absence of by-products.