EP2776513A1 - Verfahren zur herstellung eines milchprotein-kunststoffes (mp - kunststoff) - Google Patents
Verfahren zur herstellung eines milchprotein-kunststoffes (mp - kunststoff)Info
- Publication number
- EP2776513A1 EP2776513A1 EP12799514.0A EP12799514A EP2776513A1 EP 2776513 A1 EP2776513 A1 EP 2776513A1 EP 12799514 A EP12799514 A EP 12799514A EP 2776513 A1 EP2776513 A1 EP 2776513A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- milk
- protein
- treatment
- acids
- plastic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
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- 235000018102 proteins Nutrition 0.000 claims abstract description 40
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- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 claims description 8
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- 239000002671 adjuvant Substances 0.000 description 1
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- HDLHSQWNJQGDLM-UHFFFAOYSA-N bicyclo[2.2.1]heptane-2,5-dicarboxylic acid Chemical compound C1C2C(C(=O)O)CC1C(C(O)=O)C2 HDLHSQWNJQGDLM-UHFFFAOYSA-N 0.000 description 1
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- LNGJOYPCXLOTKL-UHFFFAOYSA-N cyclopentane-1,3-dicarboxylic acid Chemical compound OC(=O)C1CCC(C(O)=O)C1 LNGJOYPCXLOTKL-UHFFFAOYSA-N 0.000 description 1
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- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
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- 238000005265 energy consumption Methods 0.000 description 1
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- 235000019441 ethanol Nutrition 0.000 description 1
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- 239000012467 final product Substances 0.000 description 1
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- 230000009477 glass transition Effects 0.000 description 1
- 235000013922 glutamic acid Nutrition 0.000 description 1
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- 235000021312 gluten Nutrition 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- IUJAMGNYPWYUPM-UHFFFAOYSA-N hentriacontane Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC IUJAMGNYPWYUPM-UHFFFAOYSA-N 0.000 description 1
- TZMQHOJDDMFGQX-UHFFFAOYSA-N hexane-1,1,1-triol Chemical compound CCCCCC(O)(O)O TZMQHOJDDMFGQX-UHFFFAOYSA-N 0.000 description 1
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- 239000007943 implant Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- JJTUDXZGHPGLLC-UHFFFAOYSA-N lactide Chemical compound CC1OC(=O)C(C)OC1=O JJTUDXZGHPGLLC-UHFFFAOYSA-N 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- 239000008101 lactose Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000010699 lard oil Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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- 239000000594 mannitol Substances 0.000 description 1
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- 239000000155 melt Substances 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 235000021313 oleic acid Nutrition 0.000 description 1
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- 230000003287 optical effect Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229940092253 ovalbumin Drugs 0.000 description 1
- 150000003891 oxalate salts Chemical class 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920001610 polycaprolactone Polymers 0.000 description 1
- 229920006149 polyester-amide block copolymer Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- QVKOLZOAOSNSHQ-UHFFFAOYSA-N prop-1-ene;prop-2-enoic acid Chemical compound CC=C.OC(=O)C=C QVKOLZOAOSNSHQ-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229940108461 rennet Drugs 0.000 description 1
- 108010058314 rennet Proteins 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 239000011833 salt mixture Substances 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000003001 serine protease inhibitor Substances 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 235000013599 spices Nutrition 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 239000003826 tablet Substances 0.000 description 1
- 239000003760 tallow Substances 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- YODZTKMDCQEPHD-UHFFFAOYSA-N thiodiglycol Chemical compound OCCSCCO YODZTKMDCQEPHD-UHFFFAOYSA-N 0.000 description 1
- 229940100613 topical solution Drugs 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 230000002110 toxicologic effect Effects 0.000 description 1
- 231100000027 toxicology Toxicity 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 235000019871 vegetable fat Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 229920003170 water-soluble synthetic polymer Polymers 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L89/00—Compositions of proteins; Compositions of derivatives thereof
- C08L89/005—Casein
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/18—Plasticising macromolecular compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/10—Making granules by moulding the material, i.e. treating it in the molten state
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/05—Filamentary, e.g. strands
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/46—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates
- C07K14/47—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from mammals
- C07K14/4701—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from mammals not used
- C07K14/4732—Casein
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/76—Albumins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08H1/00—Macromolecular products derived from proteins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0016—Plasticisers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2089/00—Use of proteins, e.g. casein, gelatine or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
- B29K2105/0038—Plasticisers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0059—Degradable
- B29K2995/006—Bio-degradable, e.g. bioabsorbable, bioresorbable or bioerodible
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2389/00—Characterised by the use of proteins; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Definitions
- German Patent 202004004732 describes an edible and biodegradable, multi-layered and peelable casein composite packaging material for food and non-food.
- the patent describes an outer plastic separation layer, a middle case separation layer, and a gel separation layer.
- a process is described, which is characterized not only by the 3 separating layers, but also by a swelling time of 5 hours. Then the mixture is stirred again for 2 hours. Then a granulate is extruded and packed. The granules are then further processed by film blowing into films. The plastic film must be removed by the consumer before consumption.
- German Patent 4309528 describes a process for producing casein foils or foils, processes for their preparation and their use.
- this invention describes swelling of the casein powder for 30-90 minutes before it is extruded.
- glutaraldehyde is described again.
- Glutaraldehyde is a toxic substance that is harmful to the environment and to health.
- the invention describes that films or film tubes as packaging material for non-hygroscopic, powdery products such as coffee, tea and spices, or fatty products such as lard, tallow and fatty oils, as well as for tablets and flavored, dry products, are useful as seed bands and adhesive tapes and for lamination of paper. Accordingly, the water resistance of the foils described is minimal.
- the invention is based on the invention to eliminate the disadvantages mentioned above and to give plastics, preferably from renewable raw materials (especially protein-based) and preferably without the addition of acrylates and fossil raw materials, a necessary water or moisture resistance.
- the invention helps to reduce the processing time and the use of chemicals and to produce the plastics preferably and largely from renewable and / or biodegradable raw materials. At the same time, water and energy consumption are to be reduced and productivity increased.
- the present invention is directed to plastics made by a continuous or discontinuous process of a composition, preferably comprising destructured milk proteins, biodegradable thermoplastic polymers and plasticizers.
- At least one protein obtained from milk or a protein produced by bacteria is optionally plasticized together with a plasticizer at temperatures between room temperature and 140 ° C under mechanical stress.
- the invention is based on the finding that the milk proteins and in particular casein and its derivatives can be plasticized and polymerized in this way. It is preferably provided that the plasticizing takes place at temperatures up to 140 ° C. For an even more gentle treatment, the protein is intensively mixed or kneaded together with a plasticizer and subjected to mechanical stress. The required plasticizing temperature is significantly reduced by the plasticizer.
- the milk protein is preferably casein or lactalbumin or soy protein.
- the milk-derived protein can be produced in situ by precipitation from milk.
- the milk in mixture with rennet, other suitable enzymes or acid introduced directly as a flocculated mixture in the process or the pressed flocculated protein can be used wet.
- a separately recovered, optionally purified, pure or mixed protein, i. a protein fraction from milk are used, e.g. dried as a powder.
- the protein fraction can also be produced by ultrafiltration or by cell cultures.
- milk proteins for example, with additional salts such as sodium, and potassium can be modified in further processing steps, so that a casein arises.
- the milk protein used according to the invention can be mixed with other proteins in an amount of up to 70% by weight, based on the milk protein.
- other albumins such as ovalbumin and vegetable proteins, in particular lupine protein, soy protein or wheat proteins, in particular gluten come into question.
- the mixture of solvent and proteins is heated, usually under pressure conditions and shear, to accelerate the crosslinking process.
- Chemical or enzymatic agents can also be used to destructivate and crosslink the milk proteins, oxidize or derivatize, etherify, saponify, and esterify.
- milk proteins are destructured by dissolving the milk proteins in water. Fully distucted milk proteins are formed when there are no lumps that influence polymerisation.
- a plasticizer can be used in the present invention to destructivate the milk proteins and allow the milk proteins to flow, ie to produce thermoplastic milk proteins.
- the same or other plasticizers can be used to increase melt processability, or two separate plasticizers can be used.
- the plasticizers can also improve the flexibility of the final products.
- the plasticizers are substantially compatible with the polymeric components of the present invention so that the plasticizers can effectively modify the properties of the composition.
- substantially compatible means that the plasticizer, when heated to a temperature above the softening and / or melting temperature of the composition, is capable of forming a substantially homogeneous mixture with milk proteins.
- the plasticizer is preferably water, which is used in an amount between 20 and 80% based on the weight of the protein, preferably in an amount of about 40 to 50 wt .-% of the protein content.
- other plasticizers in particular alcohols, polyalcohols, carbohydrates in aqueous solution and in particular aqueous polysaccharide solutions can be used.
- plasticizers hydrogen bridge-forming, organic compounds without hydroxyl group, eg urea and derivatives, animal proteins, eg gelatin, vegetable proteins, such as cotton soybeans, and sunburn proteins, esters of producing acids, which citric acid, adipic acid, stearic acid, oleic acid, hydrocarbon-based acids, eg ethylene acrylic acid, ethylene maleic acid, butadiene acrylic acid, butadienemalic acid, propylene acrylic acid, propylene maleic acid, sugars, eg maltose, lactose, sucrose, fructose, maltodextrin, glycerol, pentaerythritol and sugar alcohols, eg malite, mannitol, sorbitol, xyiitol, polyols, eg hexanetriol, glycols and the like, also mixtures and polymers, sugar anhydrides, eg sorbitan, esters
- plasticizers are non-limiting examples of hydroxylic plasticizer.
- Important influencing factors are the affinity to the proteins, the amount of protein and the molecular weight.
- Glycerol and sugar alcohols are among the most important Softeners.
- Parts by weight of plasticizers are, for example, 5% -55%, but may also be in the range of 2% -75%. Any of alcohols, polyols, esters and polyesters may be used in proportions by weight, preferably up to 30% in the polymer blend.
- Theological properties are the Theological properties, so that a good processing is possible. Strain-strain solidification is necessary to form a stable polymer structure.
- the melting temperature is usually in a temperature range of 30 ° C to 190 ° C. Additional temperatures should be lowered with diluents and plasticizers.
- the biodegradability of the polymers i. their decomposition by living things and their enzymes is an important property of polymeric MP plastics.
- Biodegradable thermoplastic polymers suitable for use in the present invention include, for example, lactic acid polymers, lactide polymers, glycolide polymers, including their homo- and copolymers, and mixtures thereof; aliphatic polyesters of dibasic diols / acids; aliphatic polyesteramides, aromatic polyesters, also of modified polyethylene terephthalates and polybutylene terephthalates; polycaprolactones; aliphatic / aromatic copolyesters; Poly (3-hydroxyalkanoates), including those copolymers and / or other -valerates, - hexanoates and alkanoates, polyesters and dialkanoyl polymers, polyamides and copolymers of polyethylene / vinyl alcohol.
- thermoplastic polymer for this invention are, for example and preferably suitable: polyvinyl alcohol and copolymers, aliphatic amide and Este reo polymers consisting of monomers such as dialcohols (1, 4-butanediol, 1, 3-propanediol, 1, 6- Hexanediol, etc.) or ethylene and diethylene glycol, aliphatic polyester amides, (aliphatic esters are formed with aliphatic amides) or other reactions such as lactic acid with diamines and dicarboxylic acid dichlorides, diols with carboxylic acids, caprolactone and caprolactam, or ester prepolymers with diisocyanates, dicarboxylic acids, especially Succinic acid, oxalic acid and adipic acid and their esters, hydroxycarboxylic acids, lactones, aminoalcohols (eg ethanolamine, propanolamine), cyclic lactams, -
- Polybuylensuccinat / adipate copolymer polyalkylene; Polypentamethylsuccinate; Polyhexamethylsuccinate; Polyheptamethylsuccinate; Polyoctamethylsuccinate; Polyalkylene oxalates, e.g. Polyethylene oxalate and polybutylene oxalate polyalkylene succinate copolymers, e.g. Polyethylene succinate / adipate copolymer and; Polyalkylene oxalate copolymers, e.g.
- Polybutylene oxalate / succinate copolymer and polybutylene oxalate / adipate copolymer; Polybutylene oxalate / succinate adipate terpolymers; and mixtures thereof are non-limiting examples of aliphatic polyesters of dibasic acids / diols, e.g. from polymerizations of acids and alcohols or ring-opening reactions and are suitable for the production of a polymer.
- biodegradable polymers are aliphatic / aromatic copolyesters. These are derived from dicarboxylic acids (and derivatives) such as malonic, succinic, glutaric, adipic, pimelic, azelaic, sebacic, fumaric, 2,2-dimethylglutaric, suberic, 1,3-cyclopentanedicarboxylic , 1,4-Cyclohexanedicarboxylic, 1,3-cyclohexanedicarboxylic, diglycol, itaconic, maleic, 2,5-norbornanedicarboxylic, 1,4-terephthalic, 1,3-terephthalic, 2,6-naphthoic acid -, 1, 5-naphthoic acid, ester-forming derivatives and mixtures thereof and diols, for example, ethylene glycol, diethylene glycol, triethylene glycol, tetra ethylene glycol, propylene glycol,
- Examples of such aliphatic / aromatic copolyesters include blends of poly (tetramethylene glutarate-co-terephthalate), poly (tetramethylene glutarate-co-terephthalate), poly (tetramethylene glutarate-co-terephthalate), poly (tetramethylene glutarate-co-terephthalate), poly (tetramethylene glutarate).
- co-terephthalate-co-diglycolate poly (ethylene glutarate-co-terephthalate), poly (tetramethylene adipate-co-terephthalate), an 85/15 blend of poly (tetramethylene succinate-co-terephthalate), poly (tetramethylene-co-ethylene-glutarate-co terephthalate), poly (tetramethylene-co-ethylene-glutarate-co-terephthalate).
- the processability of the protein mass can be modified by other materials to influence the physical and mechanical properties of the protein mass, but also of the final product.
- Non-limiting examples include thermoplastic polymers, crystallization accelerators or inhibitors, odor masking agents, crosslinking agents, emulsifiers, salts, lubricants, surfactants, cyclodextrins, lubricants, other optical brighteners, antioxidants, processing aids, flame retardants, dyes, pigments, fillers, proteins, and their alkali salts. Waxes, adhesive resins, extenders and mixtures thereof. These adjuvants are bound to the protein matrix and influence their properties.
- Salts can be added to the melt.
- Non-limiting examples of salts include sodium chloride, potassium chloride, sodium sulfate, ammonium sulfate, and mixtures thereof.
- Salts can affect the solubility of the protein in water, but also the mechanical properties. Salts can serve as binders between the protein molecules.
- lubricants can affect the stability of the polymer. These can reduce the stickiness of the polymer and reduce the coefficient of friction.
- Polyethylene would be a non-limiting example.
- the physical properties of the polymer composition can be influenced by other proteins, e.g. vegetable proteins such as sunflower protein or animal like gelatin.
- Water-soluble polysaccharides and water-soluble synthetic polymers, such as polyacrylic acids, can also affect the mechanical properties.
- Monoglycerides and diglycerides and phosphatides, as well as other animal and vegetable fats can influence and promote the flow properties of the biopolymer.
- Inorganic fillers are also among the possible additives and can be used as processing agents. Possible examples, without limiting the use, are oxides, silicates, carbonates, lime, clay, limestone and kieselguhr and inorganic salts. Stearate-based salts and rosin can be used to modify the protein mixture. Amino acids, the components of the proteins and peptides may be added to the polymer composition to enhance particular sheet structures or mechanical properties. Without limitation, glutamic acid, histidine, trytophan, etc. are mentioned as examples.
- additives include enzymes, surfactants, acids, serpins, both phenolic plant molecules, which can contribute to crosslinking and to improve the mechanical properties, and can cause resistance in water and proteases.
- wet strength is a necessary feature in most products. Therefore, it is necessary to add wet strength resins as a crosslinking agent.
- natural polymers can also be added as additives. Possible examples of natural polymers, without limiting the choice, would be albumins, soy protein, zein protein, chitosan and cellulose polylactide "and" PLA ", which can be used in an amount of 0.1% -80%.
- polyvinyl alcohol in addition to natural polymers, other synthetic polymers, such as, inter alia, polyvinyl alcohol, as well as polyesters, or ethers, such as polyethylene glycol, Aldeyhde, such as. Glutaraldehyde and acrylic acids are used.
- thermoplastics that can be used for copolymerization, such as e.g. Polypropylene, polyethylene, polyamides, polyesters and copolymers thereof.
- Other high molecular weight polymers are also possible.
- Carbohydrates and polysaccharides, as well as amyloses, oligosaccharides and chenodeoxycholic acids can be used as further auxiliaries and additives.
- Salts, carboxylic acids, dicarboxylic acids and carbonates, as well as their anhydrides, salts and esters can also be used as additional crosslinkers.
- hydroxides, Butyl esters, as well as aliphatic hydrocarbons, are further ways to cross-link molecules and form macromolecules.
- additives and auxiliaries such as lipophilic, hydrophobic, hydrophilic, hydroscopic additives, gloss modifiers and crosslinkers may be provided.
- the additives and auxiliaries should overall not exceed a proportion by weight of preferably about 30% by weight, based on the protein.
- lipophilic additives vegetable oils, alcohols, fats and can be chosen, which readily hydrophobicize the polymer composition during plasticizing.
- waxes and greases can be used which add strength to the polymer composition. As waxes are preferred carnauba wax, beeswax, candelilla wax and other naturally derived waxes.
- the polymer may be further treated or the bonded fabric treated.
- a hydrophilic or hydrophobic surface treatment can be added to adjust the surface energy and chemical nature of the fabric.
- hydrophobic resins or the polymer can be treated with wetting agents to facilitate the absorption of aqueous liquids.
- a bonded fabric may also be treated with a topical solution containing surfactants, pigments, lubricants, salt, enzymes, or other materials to further adjust the surface properties of the plastic.
- the polymer composition is produced according to the continuous or discontinuous process known from the literature and to the person skilled in the art, preferably by mixing or extruding a premix with the addition of additives or mixing the polymer composition by metering in the raw materials and additives during mixing or extrusion.
- the preparation of the plastics may be known to those skilled in the method z. B. by injection molding or extrusion process.
- the process which uses water as a solvent and plasticizer, prevents any labor law, toxicological and licensing difficulties.
- the polymer composition corresponds to a polymer in which the materials are converted by heating in a plastic state and thus deformed.
- the temperature exceeds the glass transition temperature of the protein, so that it passes from the amorphous to the rubbery plastic state.
- this can be further processed directly, preferably to a plastic in the extrusion process.
- the polymer composition can be processed further directly after leaving the nozzle or in at least one later processing step to form a shaped article.
- the polymer composition can also pass through a bath prior to curing, this procedure is not particularly preferred and usually not required.
- the polymer composition may be subjected to a spray treatment after exiting the nozzle.
- Gtuschtungssch, waxes, lipophilic or crosslinking agents can be applied to the surface of the polymer composition.
- crosslinkers those given above are preferred, that is to say generally different salt solutions, preferably calcium chloride solution, dialdehyde starch solution, or aqueous lactic acid.
- the obtained plastic and the products made therefrom can be used for all conceivable purposes.
- Non-limiting examples include all types of components used in automotive, construction, window, furniture, electronics, sports, toys, machinery and equipment, packaging, agriculture and the like
- Safety technology paper, adhesives, medical technology, cosmetics, life science, for example, as dental splints, household items, artificial leather, etc. are processed.
- the multi-constituent plastics of the present invention may be in many different configurations.
- the "ingredient” as used herein means the chemical species or material.
- Plastics can have a mono-component or multi-component configuration.
- the "component” is defined as a separate part of the plastic that is in spatial relationship with another part of the plastic.
- the resulting plastic can in turn be applied to a matrix.
- the advantages achieved by the invention include the fact that in the manufacture of plastics according to the invention the reduction of harmful substances and environmentally harmful substances during the process and on the plastics itself is made possible.
- the plastic is biodegradable.
- milk protein plastics are attributed to firming structural changes (textural structure) during plasticizing.
- the plastics are preferably made by an extrusion process to allow the highest possible productivity. All known to those skilled in the art and from the literature manufacturing method for plastics described are possible without exception.
- Essential to the invention is the preparation of a homogeneously plasticized polymer, preferably a biogenic biopolymer, which is preferably biodegradable.
- a homogeneously plasticized polymer preferably a biogenic biopolymer, which is preferably biodegradable.
- no plastics could be developed on this basis to date, which are water-resistant and sufficiently proteases; -acid; and alkali-resistant.
- the use of petroleum-based raw materials and / or organic solvents, especially in plastics for baby products, dental splints, implants and cosmetics, to name just a few examples, should be reduced or even ruled out.
- plastics which are preferably made from renewable raw materials, with a proportion of milk proteins and are characterized by properties such as water resistance, high protease resistance, sufficient mechanical properties, such as tensile strength, tensile strength, furthermore - flame retardant, elastic, anti-allergic, antibacterial and biodegradable
- properties such as water resistance, high protease resistance, sufficient mechanical properties, such as tensile strength, tensile strength, furthermore - flame retardant, elastic, anti-allergic, antibacterial and biodegradable
- Example 1 Preparation of a milk protein-polymer mass.
- the extrusion takes place with a twin-screw extruder type 30 E of the company. Collin with a diameter of 30 mm.
- the production of the plastic takes place by means of extrusion technology.
- the heating is carried out over 4 barrel heating temperature with the following sequence D 65 C, 74 ° C, 75 ° C, 60 ° C:
- the casein powder is added via a vibrating trough.
- a hose pump is used to add water.
- the additives are added.
- the polymer composition is processed into a plastic by an extrusion process.
- the extrusion process and the processing of the polymer composition into a plastic is additionally illustrated by FIG.
- a metering device 1 the raw materials are added to the extruder 2 and mixed the polymer composition.
- the extruded polymer enters a nozzle 3 and passes through a blowing 4.
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Mechanical Engineering (AREA)
- Gastroenterology & Hepatology (AREA)
- Zoology (AREA)
- Biophysics (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Molecular Biology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Toxicology (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
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Abstract
Description
Claims
Applications Claiming Priority (2)
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DE102011118395 | 2011-11-12 | ||
PCT/EP2012/072423 WO2013068597A1 (de) | 2011-11-12 | 2012-11-12 | Verfahren zur herstellung eines milchprotein-kunststoffes (mp - kunststoff) |
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EP2776513A1 true EP2776513A1 (de) | 2014-09-17 |
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EP12799514.0A Withdrawn EP2776513A1 (de) | 2011-11-12 | 2012-11-12 | Verfahren zur herstellung eines milchprotein-kunststoffes (mp - kunststoff) |
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US (1) | US20150013569A1 (de) |
EP (1) | EP2776513A1 (de) |
WO (1) | WO2013068597A1 (de) |
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DE102010054661A1 (de) * | 2010-12-15 | 2012-06-28 | Anke Domaske | Verfahren zur Herstellung von Milchproteinfasern und daraus gewonnene Milchproteinfaserprodukte |
WO2013068598A1 (de) * | 2011-11-12 | 2013-05-16 | Anke Domaske | Verfahren zur herstellung von milchprotein-nanopartikeln |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5523293A (en) * | 1994-05-25 | 1996-06-04 | Iowa State University Research Foundation, Inc. | Soy protein-based thermoplastic composition for preparing molded articles |
Family Cites Families (10)
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DK752701A (de) * | 1937-03-02 | |||
US2521738A (en) * | 1944-06-15 | 1950-09-12 | Thomas L Mcmeekin | Process for the production of artificial bristles and the like from proteins |
NZ198737A (en) * | 1980-10-29 | 1983-11-30 | Unilever Plc | Textured casein-containing material |
IT1250045B (it) * | 1991-11-07 | 1995-03-30 | Butterfly Srl | Procedimento per la produzione di alcool polivinilico plastificato e suo impiego per la preparazione di composizioni termoplastiche biodegradabili a base di amido. |
DE4309528C2 (de) | 1993-03-24 | 1998-05-20 | Doxa Gmbh | Folie oder Folienschlauch aus Casein, Verfahren zu deren Herstellung und deren Verwendung |
DE19520093A1 (de) * | 1995-06-01 | 1996-12-05 | Bayer Ag | Stärke und Polyurethane enthaltende Polymerblends |
JP3742842B2 (ja) * | 2002-06-17 | 2006-02-08 | 独立行政法人産業技術総合研究所 | 生分解性ポリ乳酸樹脂組成物 |
US20050149172A1 (en) * | 2003-12-22 | 2005-07-07 | Ashish Varma | Minimal injury resorbable stent |
DE202004004732U1 (de) | 2004-03-24 | 2004-06-24 | MWB Management - Wirtschaftsförderungs- und Beratungsgesellschaft mbH | Essbares und biologisch-abbaubares mehrschichtiges und abziehbares Casein-Verbund-Verpackungsmaterial für Lebensmittel und Nicht-Lebensmittel |
DE102010054661A1 (de) * | 2010-12-15 | 2012-06-28 | Anke Domaske | Verfahren zur Herstellung von Milchproteinfasern und daraus gewonnene Milchproteinfaserprodukte |
-
2012
- 2012-11-12 EP EP12799514.0A patent/EP2776513A1/de not_active Withdrawn
- 2012-11-12 US US14/357,229 patent/US20150013569A1/en not_active Abandoned
- 2012-11-12 WO PCT/EP2012/072423 patent/WO2013068597A1/de active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US5523293A (en) * | 1994-05-25 | 1996-06-04 | Iowa State University Research Foundation, Inc. | Soy protein-based thermoplastic composition for preparing molded articles |
Non-Patent Citations (4)
Title |
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HERNANDEZ-IZQUIERDO V M ET AL: "Thermoplastic Processing of Proteins for Film Formation-A Review", JOURNAL OF FOOD SCIENCE, WILEY-BLACKWELL PUBLISHING, INC, US, vol. 73, no. 2, 1 January 2008 (2008-01-01), pages R30 - R39, XP003026332, ISSN: 0022-1147, [retrieved on 20080124], DOI: 10.1111/J.1750-3841.2007.00636.X * |
HONG S I ET AL: "Mechanical properties and biodegradability of poly-@?-caprolactone/soy protein isolate blends compatibilized by coconut oil", POLYMER DEGRADATION AND STABILITY, BARKING, GB, vol. 94, no. 10, 1 October 2009 (2009-10-01), pages 1876 - 1881, XP026719448, ISSN: 0141-3910, [retrieved on 20090508], DOI: 10.1016/J.POLYMDEGRADSTAB.2009.04.029 * |
JINWEN ZHANG ET AL: "Morphology and Properties of Soy Protein and Polylactide Blends", BIOMACROMOLECULES, vol. 7, no. 5, 1 May 2006 (2006-05-01), US, pages 1551 - 1561, XP055527628, ISSN: 1525-7797, DOI: 10.1021/bm050888p * |
See also references of WO2013068597A1 * |
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US20150013569A1 (en) | 2015-01-15 |
WO2013068597A4 (de) | 2013-07-04 |
WO2013068597A1 (de) | 2013-05-16 |
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