FR3032213A1 - PROCESS IN WHICH ADHESIVE ADHESIVE ADHESIVE FROM STARCH TO PREPARE CEREAL STRAW PANELS - Google Patents
PROCESS IN WHICH ADHESIVE ADHESIVE ADHESIVE FROM STARCH TO PREPARE CEREAL STRAW PANELS Download PDFInfo
- Publication number
- FR3032213A1 FR3032213A1 FR1500170A FR1500170A FR3032213A1 FR 3032213 A1 FR3032213 A1 FR 3032213A1 FR 1500170 A FR1500170 A FR 1500170A FR 1500170 A FR1500170 A FR 1500170A FR 3032213 A1 FR3032213 A1 FR 3032213A1
- Authority
- FR
- France
- Prior art keywords
- panels
- straw
- starch
- cereal
- compressed
- Prior art date
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- Pending
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- 239000010902 straw Substances 0.000 title claims abstract description 34
- 235000013339 cereals Nutrition 0.000 title claims abstract description 33
- 239000000853 adhesive Substances 0.000 title claims abstract description 20
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims description 12
- 238000004519 manufacturing process Methods 0.000 claims abstract description 26
- 229920002472 Starch Polymers 0.000 claims abstract description 19
- 239000008107 starch Substances 0.000 claims abstract description 19
- 235000019698 starch Nutrition 0.000 claims abstract description 19
- 229920001222 biopolymer Polymers 0.000 claims abstract description 10
- 239000011230 binding agent Substances 0.000 claims abstract description 6
- 235000013312 flour Nutrition 0.000 claims abstract description 6
- 239000003292 glue Substances 0.000 claims abstract description 5
- 239000000654 additive Substances 0.000 claims abstract description 4
- 230000000996 additive effect Effects 0.000 claims abstract description 4
- 239000002904 solvent Substances 0.000 claims abstract description 4
- 229920001807 Urea-formaldehyde Polymers 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 7
- -1 polyethylene Polymers 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 235000012054 meals Nutrition 0.000 claims description 4
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 4
- 229920001568 phenolic resin Polymers 0.000 claims description 4
- 239000002023 wood Substances 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- HANVTCGOAROXMV-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine;urea Chemical compound O=C.NC(N)=O.NC1=NC(N)=NC(N)=N1 HANVTCGOAROXMV-UHFFFAOYSA-N 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 3
- 235000010755 mineral Nutrition 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000002952 polymeric resin Substances 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229920002994 synthetic fiber Polymers 0.000 claims description 3
- 229920003002 synthetic resin Polymers 0.000 claims description 3
- 235000013311 vegetables Nutrition 0.000 claims description 3
- 241000157282 Aesculus Species 0.000 claims description 2
- 235000014036 Castanea Nutrition 0.000 claims description 2
- 241001070941 Castanea Species 0.000 claims description 2
- 240000006162 Chenopodium quinoa Species 0.000 claims description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 2
- 240000008620 Fagopyrum esculentum Species 0.000 claims description 2
- 235000009419 Fagopyrum esculentum Nutrition 0.000 claims description 2
- 235000010469 Glycine max Nutrition 0.000 claims description 2
- 240000005979 Hordeum vulgare Species 0.000 claims description 2
- 235000007340 Hordeum vulgare Nutrition 0.000 claims description 2
- 241001465754 Metazoa Species 0.000 claims description 2
- 240000007594 Oryza sativa Species 0.000 claims description 2
- 235000007164 Oryza sativa Nutrition 0.000 claims description 2
- 240000004713 Pisum sativum Species 0.000 claims description 2
- 235000010582 Pisum sativum Nutrition 0.000 claims description 2
- 241000209056 Secale Species 0.000 claims description 2
- 235000007238 Secale cereale Nutrition 0.000 claims description 2
- 244000061456 Solanum tuberosum Species 0.000 claims description 2
- 235000002595 Solanum tuberosum Nutrition 0.000 claims description 2
- 244000062793 Sorghum vulgare Species 0.000 claims description 2
- 229930006000 Sucrose Natural products 0.000 claims description 2
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims description 2
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 2
- 235000021307 Triticum Nutrition 0.000 claims description 2
- 244000098338 Triticum aestivum Species 0.000 claims description 2
- 240000008042 Zea mays Species 0.000 claims description 2
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims description 2
- 230000001464 adherent effect Effects 0.000 claims description 2
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 claims description 2
- 239000004599 antimicrobial Substances 0.000 claims description 2
- 239000003963 antioxidant agent Substances 0.000 claims description 2
- 239000007767 bonding agent Substances 0.000 claims description 2
- 150000001638 boron Chemical class 0.000 claims description 2
- 230000003196 chaotropic effect Effects 0.000 claims description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 2
- 235000005822 corn Nutrition 0.000 claims description 2
- 239000003995 emulsifying agent Substances 0.000 claims description 2
- 239000003063 flame retardant Substances 0.000 claims description 2
- HMJMQKOTEHYCRN-UHFFFAOYSA-N formaldehyde;phenol;1,3,5-triazine-2,4,6-triamine;urea Chemical compound O=C.NC(N)=O.OC1=CC=CC=C1.NC1=NC(N)=NC(N)=N1 HMJMQKOTEHYCRN-UHFFFAOYSA-N 0.000 claims description 2
- 235000011187 glycerol Nutrition 0.000 claims description 2
- 229910052602 gypsum Inorganic materials 0.000 claims description 2
- 239000010440 gypsum Substances 0.000 claims description 2
- 235000010181 horse chestnut Nutrition 0.000 claims description 2
- 150000003840 hydrochlorides Chemical class 0.000 claims description 2
- 239000004816 latex Substances 0.000 claims description 2
- 229920000126 latex Polymers 0.000 claims description 2
- 239000004571 lime Substances 0.000 claims description 2
- 235000014380 magnesium carbonate Nutrition 0.000 claims description 2
- 235000019713 millet Nutrition 0.000 claims description 2
- 150000007522 mineralic acids Chemical class 0.000 claims description 2
- 239000003921 oil Substances 0.000 claims description 2
- 150000007524 organic acids Chemical class 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 239000011505 plaster Substances 0.000 claims description 2
- 229920005749 polyurethane resin Polymers 0.000 claims description 2
- 235000012015 potatoes Nutrition 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 235000009566 rice Nutrition 0.000 claims description 2
- 150000004760 silicates Chemical class 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 239000005720 sucrose Substances 0.000 claims description 2
- 229920001169 thermoplastic Polymers 0.000 claims description 2
- 239000004416 thermosoftening plastic Substances 0.000 claims description 2
- 239000000341 volatile oil Substances 0.000 claims description 2
- 239000002557 mineral fiber Substances 0.000 claims 2
- 239000012209 synthetic fiber Substances 0.000 claims 1
- 239000000463 material Substances 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- SLGWESQGEUXWJQ-UHFFFAOYSA-N formaldehyde;phenol Chemical compound O=C.OC1=CC=CC=C1 SLGWESQGEUXWJQ-UHFFFAOYSA-N 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000000025 natural resin Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000009958 sewing Methods 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- JZLWSRCQCPAUDP-UHFFFAOYSA-N 1,3,5-triazine-2,4,6-triamine;urea Chemical compound NC(N)=O.NC1=NC(N)=NC(N)=N1 JZLWSRCQCPAUDP-UHFFFAOYSA-N 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 235000021120 animal protein Nutrition 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229920001864 tannin Polymers 0.000 description 1
- 235000018553 tannin Nutrition 0.000 description 1
- 239000001648 tannin Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
- E04C2/16—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of fibres, chips, vegetable stems, or the like
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B2001/742—Use of special materials; Materials having special structures or shape
- E04B2001/745—Vegetal products, e.g. plant stems, barks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
Abstract
Procédé de fabrication dans lequel on utilise un biopolymère élaboré à partir d'amidon ou de farines amylacées, d'origine céréalière ou non, comme colle adhésive pour la fabrication de panneaux isolants en paille défibrée et fabrication de panneaux en paille céréalière compressée, paille céréalière défibrée compressée, paille céréalière hachée compressée et paille céréalière broyée compressée caractérisé en ce que lors de la fabrication des-dits panneaux, on remplace les adhésifs ou les agents de liage traditionnellement utilisés par un biopolymère élaboré à partir : a) d'au moins une farine amylacée ou d'amidon, b) d'au moins un additif, c) d'un solvant.Manufacturing process in which a biopolymer made from starch or starch flour, of cereal or non-cereal origin, is used as an adhesive glue for the manufacture of insulated panels made of straw that has been defibered and manufacture of compressed cereal straw panels, cereal straw compressed dehydrated straw, compressed ground cereal straw and compressed crushed cereal straw characterized in that during the manufacture of said panels, the adhesives or binding agents conventionally used by a biopolymer produced from: a) at least one starch flour or starch, b) at least one additive, c) a solvent.
Description
La présente invention se rapporte à un procédé de fabrication dans lequel on utilise un biopolymère élaboré à partir d'amidon ou de farines amylacées, d'origine céréalière ou non, comme colle adhésive pour la fabrication de panneaux isolants en paille céréalière défibrée et fabrication de panneaux en paille céréalière compressée, paille céréalière hachée compressée et paille céréalière broyée compressée. L'utilisation de la paille céréalière comme isolant thermique dans la construction de bâtiments est actuellement remis à l'honneur car elle présente une réelle solution au développement durable. Étant un déchet, son coût de production est très faible et son potentiel de développement n'est 10 pas contraint par sa disponibilité. Des procédés de fabrication de panneaux isolants en paille céréalière défibrée et fabrication de panneaux en paille céréalière compressée, paille céréalière hachée compressée et paille céréalière broyée compressée ont été mis en oeuvre depuis de nombreuses années. Néanmoins, la confection de ces panneaux necéssite obligatoirement l'usage d'une colle adhésive 15 ou d'un agent de liage. Hors, lors de leur fabrication, les industriels utilisent des colles adhésives ou des agents de liage, faisant partie des groupes constitués de résines : d'urée-formaldéhyde, de résine mélamine-urée-formaldéhyde, de phénol-Formaledehydharz, de mélamine-urée-phénolformaldéhyde, des hybrides de celles-ci et des résines polymères comme les résines: polyuréthanes, polyester, polyéthylènes, polypropylènes... Cette utilisation d'agents de colage 20 industriels ne rentre pas dans un processus de fabrication écologique. Pour remédier à ce problème, des recherches de Formulation de résines naturelles, comme celle à base de tanin, sont en étude, mais là encore, ces résines naturelles coûtent trop cher et rendent ces matériaux trop onéreux. La présente invention a ainsi pour objet de palier à ces inconvénients en remplaçant les colles 25 adhesives nommées précedemment par un biopolymère élaboré à partir d'amidon, pour la fabrication de panneaux isolants en paille céréalière défibrée et la fabrication de panneaux en paille céréalière compressée, paille céréalière hachée compressée et paille céréalière broyée compressée. L'amidon est un biopolymère connu. Les matières premières sont bon marché, renouvelables et 30 d'une grande disponibilité. L'eau chaude à partir de 55° C provoque un gonflement et durcissement à la dessication de l'amidon. Malheureusement, son utilisation reste limitée car il possède une forte sensibilité à l'eau, et ses propriétés mécaniques sont limitées par rapport à un adhésif classique. Néanmoins, ces inconvénients ne portent pas préjudice, lorsqu'il est utilisé comme adhésif dans la confection d'isolants issus eux-mêmes de matières premières renouvelables, (comme tout matériau végétal, il doit être protégé des excès de vapeur d'eau) et lorsqu'il est utilisé dans la fabrication de panneaux en paille compressée qui peuvent se substituer aux panneaux de placoplatre, (qui doivent être également protégés des excès d'humidité et n'ont pas de propriétés mécaniques très élevées). Il en est de même pour les portes d'intérieur, pour des éléments de placards et de meubles, les plinthes, les éléments de décorations muraux ou non, ainsi que tous 10 les objets d'intérieur qui n'ont pas de nécessité mécanique élevée. L'invention présente un intérêt accru lorsqu'il s'agit de fabriquer des matériaux écologiques. A cette fin, l'invention concerne un procédé de fabrication où l'on utilise comme adhésif: un biopolymère élaboré à partir d'amidon ou de farines amylacées (contenant de l'amidon), d'origine céréalière ou non. Il peut notamment s'agir de farine de blé, de seigle, d'orge, maïs, 15 châtaignes, marron d'Inde, millet, riz, sarrasin, quinoa, épeautre, soja, pois, pommes de terre. La caractéristique de cette fabrication de panneaux isolants en paille céréalière défibrée et la fabrication de panneaux en paille céréalière compressée, paille céréalière défibrée compressée, paille céréalière hachée compressée et paille céréalière broyée compressée, est que, on remplace les adhésifs ou les agents de liage traditionnellement utilisés par (avant ou après un traitement 20 thermique) un biopolymère élaboré à partir: a) d'au moins une farine amylacée ou d'amidon, b) d'au moins un additif tel que : du sel de bore, des silicates, du sulfate de cuivre ,de la chaux, du latex, une ou des huiles naturelles ou synthétique, une ou des huiles essentielles, d'une ou plusieurs argiles, du 25 saccharose, d'adhésifs issus des protéines animales, d'un ou plusieurs acides organiques ou inorganiques, d'un ou plusieurs agents chaotropiques, d'un ou plusieurs chlorhydrates, de la glycérine, des antioxydants, des émulsifiants, des agents ignifuges, des agents antimicrobiens ou de la fibre d'origine végétale, animale, minérale ou synthétique. c) d'un solvant tel que de l'eau 30 Dans d'autres modes de fabrication, afin d'obtenir une meilleure tenue mécanique ou chimique des-dits panneaux, avant un traitement thermique, on utilise le-dit biopolymère en l'associant ou le combinant jusqu'à hauteur de 50% avec un adhésif ou un agent de liage, en résine d'uréeformaldéhyde, en résine mélamine-urée-formaldéhyde, en phénol-Formaledehydharz, en résine mélamine-urée-phénol-formaldéhyde, et des hybrides de celles-ci et en résines polymères comme les résines polyuréthanes, polyester, polyéthylène, polypropylène, ou des poudres thermoplastiques. Dans le but de répondre à certaines exigences liées à une utilisation spécifique du matériau, lesdits panneaux peuvent être recouverts sur une face au moins, d'un agent pulvérisé lui conférant des caractéristiques d'accroche, de résistance au feu ou d'étanchéité à l'eau, à la vapeur ou à l'humidité.The present invention relates to a manufacturing method in which a biopolymer made from starch or starch meal, of cereal or non-cereal origin, is used as an adhesive adhesive for the manufacture of insulating boards made of cereal straw and the manufacture of compressed cereal straw panels, compressed ground cereal straw and compressed crushed cereal straw. The use of cereal straw as thermal insulation in building construction is currently being honored as it presents a real solution to sustainable development. Being a waste, its production cost is very low and its development potential is not constrained by its availability. Methods of manufacturing insulated panels of flaked cereal straw and manufacture of compressed cereal straw panels, compressed ground cereal straw and compressed crushed cereal straw have been implemented for many years. Nevertheless, the manufacture of these panels necessarily requires the use of an adhesive glue 15 or a binding agent. Excluding, during their manufacture, manufacturers use adhesive glues or binding agents, forming part of the groups consisting of urea-formaldehyde, melamine-urea-formaldehyde resin, phenol-formaldehyde, melamine-urea resins. phenol formaldehyde, hybrids thereof and polymeric resins such as resins: polyurethanes, polyester, polyethylenes, polypropylenes, etc. This use of industrial colourants does not enter into an ecological manufacturing process. To remedy this problem, researches of Formulation of natural resins, such as that based on tannin, are under study, but again, these natural resins are too expensive and make these materials too expensive. The object of the present invention is thus to overcome these drawbacks by replacing the adhesive adhesives previously named by a biopolymer produced from starch, for the manufacture of insulating panels made of flaked cereal straw and the manufacture of panels made of compressed cereal straw. compressed ground cereal straw and compressed crushed cereal straw. Starch is a known biopolymer. Raw materials are cheap, renewable and highly available. Hot water from 55 ° C causes swelling and hardening on drying of starch. Unfortunately, its use is limited because it has a high sensitivity to water, and its mechanical properties are limited compared to a conventional adhesive. Nevertheless, these drawbacks are not detrimental when it is used as an adhesive in the manufacture of insulators derived themselves from renewable raw materials (like any plant material, it must be protected from excess water vapor) and when used in the manufacture of compressed straw panels that can be substituted for plasterboard panels (which must also be protected from excess humidity and have no very high mechanical properties). It is the same for interior doors, for cabinet and furniture elements, skirting boards, decorative wall elements or not, as well as all interior objects that have no high mechanical necessity. . The invention is of increased interest in the manufacture of environmentally friendly materials. To this end, the invention relates to a manufacturing process in which the adhesive used is: a biopolymer made from starch or starchy flour (containing starch), of cereal origin or not. It may include wheat flour, rye, barley, corn, chestnuts, horse chestnut, millet, rice, buckwheat, quinoa, spelled, soya, peas, potatoes. The distinguishing feature of this production of grain-free insulated straw board and the manufacture of compressed cereal straw panels, compressed flaked cereal straw, compressed ground cereal straw and compressed crushed cereal straw, is that traditional adhesives or bonding agents are replaced. used by (before or after heat treatment) a biopolymer made from: a) at least one starch meal or starch, b) at least one additive such as: boron salt, silicates, copper sulphate, lime, latex, one or more natural or synthetic oils, one or more essential oils, one or more clays, sucrose, adhesives derived from animal proteins, one or more organic or inorganic acids, one or more chaotropic agents, one or more hydrochlorides, glycerine, antioxidants, emulsifiers, flame retardants, antimicrobial agents or fiber of vegetable, animal, mineral or synthetic origin. c) a solvent such as water In other manufacturing methods, in order to obtain a better mechanical or chemical resistance of said panels, before a heat treatment, the so-called biopolymer is used. associating or combining up to 50% thereof with an adhesive or a binding agent, of ureaformaldehyde resin, melamine-urea-formaldehyde resin, phenol-Formaldehydharz resin, melamine-urea-phenol-formaldehyde resin, and hybrids thereof; and polymeric resins such as polyurethane resins, polyester, polyethylene, polypropylene, or thermoplastic powders. In order to meet certain requirements related to a specific use of the material, said panels can be covered on at least one side, with a spray agent giving it characteristics of grip, fire resistance or watertightness. water, steam or moisture.
Les-dits panneaux peuvent être revêtus d'un film de préférence souple, étanche à la vapeur d'eau: un pare vapeur ou un frein vapeur, par exemple un film en papier kraft-aluminium, un film non-tissé, un film plastique, un film kraft plastique ou un film composite. Afin d'obtenir des panneaux plus rigides avec une meilleure tenue mécanique, les-dits panneaux, sur une face au moins, peuvent être liés, par exemple: par collage, soudage à chaud, ultra-sons, couture ou toute autre méthode adaptée, d'une feuille tissée et/ou non tissée constituée: d'un composite, d'un alliage métallique ou de fibres végétales, minérales, synthétiques ou artificielles enduites ou non d'un agent de liage ou d'une colle adhérente. Selon une autre réalisation particulière, les-dits panneaux, sur au moins une face, peuvent être liés à une plaque rigide, par exemple: par collage, soudage à chaud, ultra-sons, couture ou toute autre méthode adaptée. La plaque rigide peut être choisie parmi des plaques: d'alliage métallique, de plâtre, de gypse, de magnésites, de bois, de bois composite, de panneaux de particules, de panneaux de paille compressée ou composite. 30The said panels may be coated with a preferably flexible film, impervious to water vapor: a vapor barrier or a vapor barrier, for example a film of kraft-aluminum paper, a non-woven film, a plastic film , a plastic kraft film or a composite film. In order to obtain more rigid panels with better mechanical strength, the said panels, on one side at least, can be linked, for example: by gluing, hot welding, ultrasound, sewing or any other suitable method, a woven and / or non-woven sheet consisting of: a composite, a metal alloy or plant, mineral, synthetic or artificial fibers coated or not with a binding agent or an adherent glue. According to another particular embodiment, the said panels, on at least one face, can be connected to a rigid plate, for example: by gluing, hot welding, ultrasound, sewing or any other suitable method. The rigid plate may be chosen from plates of: metal alloy, plaster, gypsum, magnesites, wood, composite wood, particle board, compressed or composite straw panels. 30
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1500170A FR3032213A1 (en) | 2015-01-29 | 2015-01-29 | PROCESS IN WHICH ADHESIVE ADHESIVE ADHESIVE FROM STARCH TO PREPARE CEREAL STRAW PANELS |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1500170A FR3032213A1 (en) | 2015-01-29 | 2015-01-29 | PROCESS IN WHICH ADHESIVE ADHESIVE ADHESIVE FROM STARCH TO PREPARE CEREAL STRAW PANELS |
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| FR3032213A1 true FR3032213A1 (en) | 2016-08-05 |
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| FR1500170A Pending FR3032213A1 (en) | 2015-01-29 | 2015-01-29 | PROCESS IN WHICH ADHESIVE ADHESIVE ADHESIVE FROM STARCH TO PREPARE CEREAL STRAW PANELS |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108797886A (en) * | 2017-04-27 | 2018-11-13 | 沈志忠 | A kind of polyurethane stalk board and its preparation method and application |
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| FR2746078A1 (en) * | 1996-03-13 | 1997-09-19 | Agrifib | PROCESS AND MACHINE FOR THE MANUFACTURE OF BIODEGRADABLE SUBSTITUTES FOR PARTS IN PARTICULAR FOR PACKAGING AND PRODUCTS THUS OBTAINED |
| DE19618271A1 (en) * | 1996-05-07 | 1997-11-13 | Edmund Zimmermann | Moulding production from fibrous plant parts or natural fibres |
| FR2863193A1 (en) * | 2003-12-05 | 2005-06-10 | Bsm Dev | Flat, solid and biodegradable structural component is made from cerealbased material with bonding agent, optionally coloured in the mass |
| WO2011025554A1 (en) * | 2009-08-28 | 2011-03-03 | W.R. Grace & Co.-Conn. | Waterproofing membrane |
| WO2014107767A1 (en) * | 2013-01-11 | 2014-07-17 | Mmw Equine Therapy Pty Ltd | Composite boards comprising cellulosic plant material |
| EP2799639A1 (en) * | 2013-05-03 | 2014-11-05 | Gerhard Huppenberger | Insulation panel for insulation of a building façade |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2746078A1 (en) * | 1996-03-13 | 1997-09-19 | Agrifib | PROCESS AND MACHINE FOR THE MANUFACTURE OF BIODEGRADABLE SUBSTITUTES FOR PARTS IN PARTICULAR FOR PACKAGING AND PRODUCTS THUS OBTAINED |
| DE19618271A1 (en) * | 1996-05-07 | 1997-11-13 | Edmund Zimmermann | Moulding production from fibrous plant parts or natural fibres |
| FR2863193A1 (en) * | 2003-12-05 | 2005-06-10 | Bsm Dev | Flat, solid and biodegradable structural component is made from cerealbased material with bonding agent, optionally coloured in the mass |
| WO2011025554A1 (en) * | 2009-08-28 | 2011-03-03 | W.R. Grace & Co.-Conn. | Waterproofing membrane |
| WO2014107767A1 (en) * | 2013-01-11 | 2014-07-17 | Mmw Equine Therapy Pty Ltd | Composite boards comprising cellulosic plant material |
| EP2799639A1 (en) * | 2013-05-03 | 2014-11-05 | Gerhard Huppenberger | Insulation panel for insulation of a building façade |
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| CN108797886A (en) * | 2017-04-27 | 2018-11-13 | 沈志忠 | A kind of polyurethane stalk board and its preparation method and application |
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