EP0576940B1 - Schädlings- und Brandschutzmittel für Holz und andere organische Materialien - Google Patents
Schädlings- und Brandschutzmittel für Holz und andere organische Materialien Download PDFInfo
- Publication number
- EP0576940B1 EP0576940B1 EP93109822A EP93109822A EP0576940B1 EP 0576940 B1 EP0576940 B1 EP 0576940B1 EP 93109822 A EP93109822 A EP 93109822A EP 93109822 A EP93109822 A EP 93109822A EP 0576940 B1 EP0576940 B1 EP 0576940B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- whey
- wood
- resins
- products
- whey according
- 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.)
- Expired - Lifetime
Links
- 239000002023 wood Substances 0.000 title claims abstract description 27
- 239000011368 organic material Substances 0.000 title claims description 7
- 239000003795 chemical substances by application Substances 0.000 title claims 4
- 230000000361 pesticidal effect Effects 0.000 title claims 2
- 238000004079 fireproofing Methods 0.000 title 1
- 239000005862 Whey Substances 0.000 claims abstract description 33
- 102000007544 Whey Proteins Human genes 0.000 claims abstract description 33
- 108010046377 Whey Proteins Proteins 0.000 claims abstract description 33
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 21
- 238000007127 saponification reaction Methods 0.000 claims abstract description 17
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 13
- 235000011121 sodium hydroxide Nutrition 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 239000003513 alkali Substances 0.000 claims abstract description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 3
- 239000011810 insulating material Substances 0.000 claims abstract 3
- 239000000463 material Substances 0.000 claims description 20
- 239000000126 substance Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 6
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 6
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- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 5
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- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 4
- 229920000180 alkyd Polymers 0.000 claims description 4
- 229910021538 borax Inorganic materials 0.000 claims description 4
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 4
- 239000000920 calcium hydroxide Substances 0.000 claims description 4
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 4
- 239000004328 sodium tetraborate Substances 0.000 claims description 4
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- 235000013162 Cocos nucifera Nutrition 0.000 claims description 3
- 244000060011 Cocos nucifera Species 0.000 claims description 3
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- 239000001993 wax Substances 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 claims description 2
- 235000019738 Limestone Nutrition 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 239000004793 Polystyrene Substances 0.000 claims description 2
- 229920002472 Starch Polymers 0.000 claims description 2
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
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- 239000011230 binding agent Substances 0.000 claims description 2
- 150000001638 boron Chemical class 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 2
- 150000001746 carotenes Chemical class 0.000 claims description 2
- 235000005473 carotenes Nutrition 0.000 claims description 2
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- 239000006028 limestone Substances 0.000 claims description 2
- 239000003921 oil Substances 0.000 claims description 2
- 239000003415 peat Substances 0.000 claims description 2
- 239000000575 pesticide Substances 0.000 claims description 2
- 235000021317 phosphate Nutrition 0.000 claims description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 2
- 239000000049 pigment Substances 0.000 claims description 2
- 229920001225 polyester resin Polymers 0.000 claims description 2
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- 229920000573 polyethylene Polymers 0.000 claims description 2
- 229920005862 polyol Polymers 0.000 claims description 2
- 229920000098 polyolefin Polymers 0.000 claims description 2
- 150000003077 polyols Chemical class 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 229920002223 polystyrene Polymers 0.000 claims description 2
- 229940072033 potash Drugs 0.000 claims description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 2
- 235000015320 potassium carbonate Nutrition 0.000 claims description 2
- 235000011181 potassium carbonates Nutrition 0.000 claims description 2
- 150000004760 silicates Chemical class 0.000 claims description 2
- 239000001488 sodium phosphate Substances 0.000 claims description 2
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 2
- 235000019698 starch Nutrition 0.000 claims description 2
- 235000000346 sugar Nutrition 0.000 claims description 2
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 2
- 229920002554 vinyl polymer Polymers 0.000 claims description 2
- 229920000178 Acrylic resin Polymers 0.000 claims 1
- 239000004925 Acrylic resin Substances 0.000 claims 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims 1
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims 1
- 229920001131 Pulp (paper) Polymers 0.000 claims 1
- QHIWVLPBUQWDMQ-UHFFFAOYSA-N butyl prop-2-enoate;methyl 2-methylprop-2-enoate;prop-2-enoic acid Chemical compound OC(=O)C=C.COC(=O)C(C)=C.CCCCOC(=O)C=C QHIWVLPBUQWDMQ-UHFFFAOYSA-N 0.000 claims 1
- 229920001821 foam rubber Polymers 0.000 claims 1
- 239000010903 husk Substances 0.000 claims 1
- 229920001195 polyisoprene Polymers 0.000 claims 1
- 235000011118 potassium hydroxide Nutrition 0.000 claims 1
- 239000008107 starch Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000009435 building construction Methods 0.000 abstract 1
- 239000003223 protective agent Substances 0.000 description 27
- 239000000047 product Substances 0.000 description 13
- 239000002585 base Substances 0.000 description 9
- 241000607479 Yersinia pestis Species 0.000 description 7
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 241000238631 Hexapoda Species 0.000 description 3
- 241000257303 Hymenoptera Species 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 230000001066 destructive effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 235000013336 milk Nutrition 0.000 description 3
- 239000008267 milk Substances 0.000 description 3
- 210000004080 milk Anatomy 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 241000233866 Fungi Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000004310 lactic acid Substances 0.000 description 2
- 235000014655 lactic acid Nutrition 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011814 protection agent Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 241000283707 Capra Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 206010017533 Fungal infection Diseases 0.000 description 1
- 206010061217 Infestation Diseases 0.000 description 1
- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 description 1
- UPYKUZBSLRQECL-UKMVMLAPSA-N Lycopene Natural products CC(=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C1C(=C)CCCC1(C)C)C=CC=C(/C)C=CC2C(=C)CCCC2(C)C UPYKUZBSLRQECL-UKMVMLAPSA-N 0.000 description 1
- 241001177134 Lyctus Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 241000699670 Mus sp. Species 0.000 description 1
- 208000031888 Mycoses Diseases 0.000 description 1
- 229910000831 Steel Chemical group 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229920003180 amino resin Polymers 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000005018 casein Substances 0.000 description 1
- 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 description 1
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- 238000006243 chemical reaction Methods 0.000 description 1
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- 239000000470 constituent Substances 0.000 description 1
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- 238000005470 impregnation Methods 0.000 description 1
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- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000008101 lactose Substances 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
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- 230000020477 pH reduction Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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- 229920000642 polymer Polymers 0.000 description 1
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- 238000002360 preparation method Methods 0.000 description 1
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- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229940108461 rennet Drugs 0.000 description 1
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- 238000002791 soaking Methods 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
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- NCYCYZXNIZJOKI-UHFFFAOYSA-N vitamin A aldehyde Natural products O=CC=C(C)C=CC=C(C)C=CC1=C(C)CCCC1(C)C NCYCYZXNIZJOKI-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/16—Inorganic impregnating agents
- B27K3/20—Compounds of alkali metals or ammonium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/34—Organic impregnating agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/34—Organic impregnating agents
- B27K3/36—Aliphatic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K2240/00—Purpose of the treatment
- B27K2240/30—Fireproofing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/02—Staining or dyeing wood; Bleaching wood
Definitions
- the invention relates to the use of a pest and fire protection agent for wood and other organic materials.
- Protective agents for wood and other organic materials are primarily intended to protect them from pests, in particular from fungi, destructive insects and bacteria. In addition, the protective agents also have to reduce the flammability of wood in many cases.
- protective effects should, if possible, be achieved by the protective means without endangering humans and farm animals or the environment. Furthermore, protective agents should be environmentally friendly and inexpensive to manufacture.
- the invention has set itself the task of creating a protective agent that optimally fulfills the aforementioned conditions.
- whey which is preferably saponified by dilution with approximately the same amount of water, with bases or substances with a basic action, as pesticides and fire protection agents for wood and other organic materials.
- DE-C-35 18 188 describes a process for producing lactic acid clay, the clay having obtained its lactic acid properties by slurrying with fermentation whey.
- the alumina thus created is used as an antiseptic, bactericide and / or bacteriostat.
- the invention proposes a new use of a whey treated in this way.
- Whey is produced in comparatively large quantities as a cheap by-product when processing milk. If fat and casein are excreted from the milk by acidification or rennet, the whey remains, which, among other things, still contains about 0.9 g protein, 0.3 g fat and 4.5 g lactose per 100 g.
- This whey is saponified basic for the preparation of protective agents according to the invention, preferably with dilution with approximately the same amount of water. Fresh whey or the appropriate amount of whey powder dissolved in water can be used for the saponification.
- the basic saponification of the whey can preferably be carried out using alkali solutions such as sodium hydroxide solution or potassium hydroxide solution.
- the saponification is generally carried out by mixing the reaction components dissolved or suspended in water in stoichiometric or non-stoichiometric proportions, preferably with an excess of base, and optionally with heating.
- the saponification extends not only to the residual fat content in the whey, but also to the remaining components.
- the amount of base or basic reacting substances added is chosen so that a pH value of 7.5 to 14, preferably 8 to 13, in particular 9 to 12 results in the saponification product.
- pest and fire-retardant substances in dissolved, emulsified or suspended form can be added to the protective agent, for example boron salts, ammonium compounds, amines, aminoplast resins, sugars, starches, polyols, phosphates, silicates or carbonates and also organic ones and inorganic fungicides and insecticides.
- the protective agent in dissolved, emulsified or suspended form, e.g. B. water repellents such as waxes or silicones, binders such as alkyd, acrylate, vinyl resins or drying oils.
- B. water repellents such as waxes or silicones
- binders such as alkyd, acrylate, vinyl resins or drying oils.
- dyes e.g. Carotene, or pigments, e.g. Earth colors
- the materials to be protected are treated with the protective agent according to the invention by brushing, spraying, pouring, flooding, dipping or soaking.
- the protective effect the surface treatment of the materials to be protected with the protective agent is sufficient.
- the partial or complete impregnation of the material for example by using vacuum, pressure or pressure-vacuum methods, can be advantageous.
- the amount of protective agent applied to wood chips is 0.5-2, preferably 0.8-1.2 kg / kg.
- the material treated with the protective agent is then subsequently dried in air at normal or elevated temperatures.
- the material treated according to the invention has excellent, long-term resistance to pests of all kinds, in particular to discoloring and destructive fungi (e.g. mold, blue stain, rot), against destructive insects (e.g. anobia, house goat, lyctus) and against bacteria.
- the material treated according to the invention is also avoided by other vermin that otherwise nest in appropriate materials, e.g. Ants, mice, etc.
- the effectiveness of the protective agent against pests is mainly due to its alkalinity.
- the treated material has a significantly reduced flammability.
- the whey constituents contained in the protective agent form an insulating carbon protective layer in the event of fire and, by splitting off non-flammable gases, develop an inert gas atmosphere which hinders the supply of oxygen.
- the overall effect of the protective agent is essentially based on the interaction of the special material structure of the whey with the alkalinity caused by the saponification.
- the effective components of the protective agent also penetrate into the materials to be protected and therefore achieve more than just superficial protection.
- the protective agent according to the invention is preferably used for the treatment of wood, in particular in the construction field. It is particularly suitable for the treatment of solid wood and wood-based materials Protection of small-sized wood materials such as wood wool and especially wood chips. Small-scale wood products treated in this way can be used, for example, for insulation purposes, in particular for environmentally friendly and inexpensive heat insulation in the construction sector.
- the protective agent according to the invention is also advantageously suitable for protecting organic materials other than wood, in particular in the construction sector.
- the risk of pests or fire can be reduced for the following materials: for cellulose and cotton products, construction paper, cellulose or paper flakes, peat, cork, coconut, jute, wool, straw, reed, hay -, bark products and products made from pods and skins of fruit.
- the protective agents can achieve an advantageous fire protection effect, e.g. for molded parts, films, tapes, chips, fibers, granules, powder and corresponding foams made of polyethylene, polypropylene and other polyolefins, also polystyrene and other styrene polymers, acrylates, rubbers, alkyd resins, formaldehyde resins, polyester resins etc.
- the protective agents achieve positive effects such as reduced brittleness and reduced insect nesting.
- the binding forces of the protective agent also reduce the formation and release of dusts.
- the protective agent according to the invention also has a preserving action against metals. This will e.g. Iron or steel parts, such as fasteners, not only do not attack, but even protect against corrosion.
- the protective agent according to the invention has the advantage of being simple, non-hazardous and inexpensive to produce from inexpensive raw materials that largely arise naturally. Residual or old materials treated with the protective agent can also be disposed of without major problems. This means that thermal recycling by combustion is possible without the creation of particularly polluting substances. Composting is also an option. If necessary, the disposal can be further facilitated by first eliminating the alkalinity of the protective agent by neutralization, preferably with non-environmentally relevant acids such as acetic acid, citric acid, etc.
- Fresh whey is saponified by stirring with an aqueous base at 50 ° C.
- the base is prepared beforehand by dissolving and / or suspending the corresponding basic substance in 50 ° C warm water.
- the saponification is carried out in different versions with the proportions and bases given in the table below.
- Example No. Whey parts by mass Water mass parts Base bulk parts pH of the end product 1 47 47 soda 6 10th 2nd 47 48 soda 2nd 8th NaHCO3 3rd 3rd 70 22 soda 4th 11.5 lime 4th 4th 70 24th soda 2nd 9.5 borax 4th 5 50 45 NaOH 2nd 11 Al (OH) 3 3rd 6 70 24th NaOH 1 10th borax 4th 7 50 49.5 NaOH 0.5 12th 8th 50 47 NaOH 3rd 13
- Another part of the treated and dried shavings is briefly flamed with a Bunsen burner.
- the one with the Shavings treated with different whey saponification products only smolder and extinguish themselves after the flame is removed.
- a comparison sample made from untreated shavings immediately catches fire with the same flame treatment and then burns completely.
- Example 4 70 parts by mass of the whey saponification product prepared according to Example 4 are mixed with 30 parts by mass of a paraffinic wax emulsion. With the mixture, wood chips are treated on all sides and dried. The chips thus prepared are artificially irrigated for three hours and then dried to a moisture content of 30%. Storage and fire tests are then carried out with the chips as in Examples 1 to 8. The chips show no fungal attack during storage and flame retardancy during fire testing.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Seeds, Soups, And Other Foods (AREA)
- Bakery Products And Manufacturing Methods Therefor (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4221624 | 1992-07-01 | ||
DE4221624A DE4221624C1 (no) | 1992-07-01 | 1992-07-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0576940A1 EP0576940A1 (de) | 1994-01-05 |
EP0576940B1 true EP0576940B1 (de) | 1996-01-24 |
Family
ID=6462257
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93109822A Expired - Lifetime EP0576940B1 (de) | 1992-07-01 | 1993-06-19 | Schädlings- und Brandschutzmittel für Holz und andere organische Materialien |
Country Status (9)
Country | Link |
---|---|
US (1) | US5476686A (no) |
EP (1) | EP0576940B1 (no) |
JP (1) | JP3378051B2 (no) |
AT (1) | ATE133365T1 (no) |
DE (2) | DE4221624C1 (no) |
DK (1) | DK0576940T3 (no) |
ES (1) | ES2083226T3 (no) |
FI (1) | FI932994A (no) |
NO (1) | NO301265B1 (no) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19853496C1 (de) * | 1998-11-19 | 2000-08-03 | Hubert Fritz | Verfahren und Vorrichtung zur Herstellung von Spänen |
KR20030082698A (ko) * | 2002-04-18 | 2003-10-23 | 표옥근 | 가공 목재의 방부 및 염색 방법 |
AU2003253972A1 (en) * | 2002-07-19 | 2004-02-09 | University Of Vermont And State Agricultural College | Wood finishes and methods for their production |
DE102007048422A1 (de) * | 2007-10-09 | 2009-04-16 | Homatherm Ag | Holzfaser-Wärmedämmmaterial und Verfahren für dessen Herstellung |
DE102011055188A1 (de) * | 2011-11-09 | 2013-05-16 | Volker Fritz | Wässrige Lösung |
CN110523023A (zh) * | 2019-07-18 | 2019-12-03 | 山东农业大学 | 一种降低森林抚育采伐剩余物燃烧性的方法 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB130981A (en) * | 1918-08-03 | 1920-05-06 | Claude Roy | Process and Apparatus for Rendering Wood Impermeable and Recovering Liquids Contained therein. |
GB455533A (en) * | 1935-11-08 | 1936-10-22 | Gideon Scott May | Means for preserving, waterproofing, and fireproofing stone, brick, wood and like work |
US2904437A (en) * | 1954-06-01 | 1959-09-15 | Wilson & Co Inc | Treating whey |
US3616386A (en) * | 1969-08-08 | 1971-10-26 | Purity Electrochemical Co | Electrodialytic demineralization of whey using neutral membranes |
BE791350A (nl) * | 1971-11-15 | 1973-05-14 | Stichting Bedrijven Van Het | Werkwijze voor de bereiding van een melkeiwit-coprecipitaat |
US3864506A (en) * | 1974-03-20 | 1975-02-04 | Stauffer Chemical Co | Process For Pretreating Raw Cheese Whey |
US4076800A (en) * | 1975-01-13 | 1978-02-28 | The Procter & Gamble Company | Protein-containing detergent compositions for protecting keratinous materials |
US4064283A (en) * | 1976-06-14 | 1977-12-20 | The United States Of America As Represented By The Secretary Of Agriculture | Preparation of protein concentrates from whey and seed products |
FR2391653A1 (fr) * | 1977-05-23 | 1978-12-22 | Nestle Sa Soc Ass Tech Prod | Procede de traitement du lactoserum |
US4225629A (en) * | 1977-08-15 | 1980-09-30 | The United States Of America As Represented By The Secretary Of Agriculture | Preparation of protein concentrates from whey and seed products |
US4227981A (en) * | 1979-08-31 | 1980-10-14 | Borden, Inc. | Electrodialysis of acid whey |
AU552141B2 (en) * | 1980-11-25 | 1986-05-22 | Unilever Plc | Coluble protein product from whey |
US4444792A (en) * | 1981-07-20 | 1984-04-24 | Stauffer Chemical Company | Fermentation of whey to produce a thickening polymer |
US5098472A (en) * | 1983-06-17 | 1992-03-24 | Commonwealth Scientific & Industrial Research Organization | Preservative composition |
DE3518188C1 (de) * | 1985-05-21 | 1986-10-23 | Meinhardt, Horst, 5419 Herschbach | Milchsaure Tonerde sowie ein Verfahren zur Herstellung derselben und deren Verwendung |
US5078912A (en) * | 1985-06-07 | 1992-01-07 | Dr. Wolman Gmbh | Wood preservative |
DE3522655A1 (de) * | 1985-06-25 | 1987-01-08 | Vft Verkaufsges Teer | Holzschuetzendes impraegnieroel und seine verwendung |
US4956177A (en) * | 1985-11-04 | 1990-09-11 | Microlife Technics, Inc. | Method for inhibiting fungi |
US4786326A (en) * | 1986-11-12 | 1988-11-22 | Mooney Chemicals, Inc. | Process for penetrating difficult-to-treat wood with wood preservative liquids |
SE459140B (sv) * | 1986-11-25 | 1989-06-12 | Albuglobe Ab | Hydrolys av vassleprotein foer att underlaetta avskiljning av fett daerifraan |
DK273888A (da) * | 1987-05-20 | 1988-11-21 | Chugai Pharmaceutical Co Ltd | Salterstatning og krydderier med et indhold deraf |
US4950329A (en) * | 1988-10-11 | 1990-08-21 | Hickson Corporation | Wood preservative composition and method of treating wood with same |
US4973488A (en) * | 1989-05-17 | 1990-11-27 | Excelpro, Inc. | Hydrolyzed proteinaceous milk solid and process of making |
US4988545A (en) * | 1989-08-17 | 1991-01-29 | Board Of Control Of Michigan Technological University | Method for treating wood against fungal attack |
-
1992
- 1992-07-01 DE DE4221624A patent/DE4221624C1/de not_active Expired - Fee Related
-
1993
- 1993-06-19 AT AT93109822T patent/ATE133365T1/de active
- 1993-06-19 DE DE59301493T patent/DE59301493D1/de not_active Expired - Lifetime
- 1993-06-19 DK DK93109822.2T patent/DK0576940T3/da active
- 1993-06-19 EP EP93109822A patent/EP0576940B1/de not_active Expired - Lifetime
- 1993-06-19 ES ES93109822T patent/ES2083226T3/es not_active Expired - Lifetime
- 1993-06-21 NO NO932268A patent/NO301265B1/no not_active IP Right Cessation
- 1993-06-29 FI FI932994A patent/FI932994A/fi not_active Application Discontinuation
- 1993-06-30 JP JP16188393A patent/JP3378051B2/ja not_active Expired - Fee Related
- 1993-07-01 US US08/084,482 patent/US5476686A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
NO932268D0 (no) | 1993-06-21 |
DK0576940T3 (da) | 1996-03-18 |
US5476686A (en) | 1995-12-19 |
NO301265B1 (no) | 1997-10-06 |
JP3378051B2 (ja) | 2003-02-17 |
DE4221624C1 (no) | 1993-07-15 |
DE59301493D1 (de) | 1996-03-07 |
EP0576940A1 (de) | 1994-01-05 |
ES2083226T3 (es) | 1996-04-01 |
FI932994A0 (fi) | 1993-06-29 |
JPH06206207A (ja) | 1994-07-26 |
FI932994A (fi) | 1994-01-02 |
ATE133365T1 (de) | 1996-02-15 |
NO932268L (no) | 1994-01-03 |
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