EP2081743A2 - Verwendung von popcorn für holz- und verbundwerkstoffe - Google Patents
Verwendung von popcorn für holz- und verbundwerkstoffeInfo
- Publication number
- EP2081743A2 EP2081743A2 EP07820865A EP07820865A EP2081743A2 EP 2081743 A2 EP2081743 A2 EP 2081743A2 EP 07820865 A EP07820865 A EP 07820865A EP 07820865 A EP07820865 A EP 07820865A EP 2081743 A2 EP2081743 A2 EP 2081743A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- popcorn
- wood
- particle size
- chipboard
- resin
- 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.)
- Granted
Links
- 235000002017 Zea mays subsp mays Nutrition 0.000 title claims abstract description 127
- 241000482268 Zea mays subsp. mays Species 0.000 title claims abstract description 123
- 239000002131 composite material Substances 0.000 title claims abstract description 54
- 239000002023 wood Substances 0.000 claims abstract description 49
- 239000000463 material Substances 0.000 claims abstract description 30
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 6
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 70
- 229920005989 resin Polymers 0.000 claims description 42
- 239000011347 resin Substances 0.000 claims description 42
- 239000011093 chipboard Substances 0.000 claims description 34
- 239000011230 binding agent Substances 0.000 claims description 29
- 239000002245 particle Substances 0.000 claims description 28
- 238000009826 distribution Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 15
- 239000011094 fiberboard Substances 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 7
- 239000002516 radical scavenger Substances 0.000 claims description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims 1
- 235000013824 polyphenols Nutrition 0.000 claims 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims 1
- 235000018553 tannin Nutrition 0.000 claims 1
- 229920001864 tannin Polymers 0.000 claims 1
- 239000001648 tannin Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 24
- 239000007787 solid Substances 0.000 description 43
- 239000008187 granular material Substances 0.000 description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 27
- 239000000243 solution Substances 0.000 description 22
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 20
- 239000003795 chemical substances by application Substances 0.000 description 12
- 239000003292 glue Substances 0.000 description 12
- 230000002940 repellent Effects 0.000 description 12
- 239000005871 repellent Substances 0.000 description 12
- 235000013339 cereals Nutrition 0.000 description 11
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 10
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 10
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 10
- 235000011130 ammonium sulphate Nutrition 0.000 description 10
- 229940072033 potash Drugs 0.000 description 10
- 235000015320 potassium carbonate Nutrition 0.000 description 10
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 10
- 229920001342 Bakelite® Polymers 0.000 description 9
- 241000294754 Macroptilium atropurpureum Species 0.000 description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 239000004637 bakelite Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- 229920001568 phenolic resin Polymers 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 7
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 6
- 229920001807 Urea-formaldehyde Polymers 0.000 description 6
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 6
- 239000004848 polyfunctional curative Substances 0.000 description 6
- 239000001993 wax Substances 0.000 description 6
- 239000004890 Hydrophobing Agent Substances 0.000 description 5
- 240000008042 Zea mays Species 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 5
- 239000000839 emulsion Substances 0.000 description 5
- 239000012188 paraffin wax Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 4
- 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 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 235000005822 corn Nutrition 0.000 description 4
- 239000012153 distilled water Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 239000005011 phenolic resin Substances 0.000 description 4
- 230000008961 swelling Effects 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 3
- 230000001007 puffing effect Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 229920000877 Melamine resin Polymers 0.000 description 2
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000007859 condensation product Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction 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
- 238000010438 heat treatment Methods 0.000 description 2
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 240000001592 Amaranthus caudatus Species 0.000 description 1
- 235000009328 Amaranthus caudatus Nutrition 0.000 description 1
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 description 1
- 239000005695 Ammonium acetate Substances 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 240000006162 Chenopodium quinoa Species 0.000 description 1
- 240000006240 Linum usitatissimum Species 0.000 description 1
- 235000004431 Linum usitatissimum Nutrition 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 235000007244 Zea mays Nutrition 0.000 description 1
- 235000012735 amaranth Nutrition 0.000 description 1
- 239000004178 amaranth Substances 0.000 description 1
- 229940043376 ammonium acetate Drugs 0.000 description 1
- 235000019257 ammonium acetate Nutrition 0.000 description 1
- HIFVAOIJYDXIJG-UHFFFAOYSA-N benzylbenzene;isocyanic acid Chemical class N=C=O.N=C=O.C=1C=CC=CC=1CC1=CC=CC=C1 HIFVAOIJYDXIJG-UHFFFAOYSA-N 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/253—Cellulosic [e.g., wood, paper, cork, rayon, etc.]
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/268—Monolayer with structurally defined element
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31971—Of carbohydrate
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31971—Of carbohydrate
- Y10T428/31975—Of cellulosic next to another carbohydrate
- Y10T428/31978—Cellulosic next to another cellulosic
- Y10T428/31982—Wood or paper
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31971—Of carbohydrate
- Y10T428/31975—Of cellulosic next to another carbohydrate
- Y10T428/31978—Cellulosic next to another cellulosic
- Y10T428/31986—Regenerated or modified
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31971—Of carbohydrate
- Y10T428/31989—Of wood
Definitions
- the present invention relates to the field of wood and / or composites, particularly chipboard and fiberboard, and composites containing lignocellulose and popcorn.
- Wood and / or composite materials, in particular chipboard or fiberboard have been known for more than a hundred years as a substitute for solid wood in the furniture industry, construction, etc.
- For the quality of wood and / or composite materials play several factors, including in particular the bulk density, the transverse tensile strength and thickness swelling a role.
- the density has for wood and / or composites of great importance, since the advantageous properties of a chipboard or fiberboard, such as the strength properties, usually increase with increasing density.
- wood and / or composites of lower density would be advantageous, since less lignocellulose and binder is needed for the production of such wood and / or composites and these can be transported more cheaply.
- such low density composites have a wide range of uses that require less dense (and therefore heavy) material.
- the advantageous properties associated with increasing bulk density should deteriorate as little as possible, if not even obtain. It is therefore an object to provide a wood and composite material, in which a low density while good other properties such as tensile strength and / or thickness swelling can be achieved.
- a wood and composite material according to claim 1 Accordingly, a lignocellulose-containing molded body, in particular a wood and composite material, such as a chipboard and / or fiberboard proposed, wherein the lignocellulose-containing molded body contains popcorn as a structuring and / or dimensionally stabilizing material is provided.
- lignocellulose-containing shaped body in particular covers all flat and non-planar materials containing comminuted lignocellulose-containing materials, such as wood, cereal straw, hemp or flax, which are formed after gluing with a synthetic or natural binder and under temperature and pressure are pressed.
- wood and / or composite material is understood in particular to mean materials which consist primarily of mechanically or thermomechanically comminuted lignocellulose-containing material, which are formed after gluing with a synthetic or natural binder and pressed under pressure and temperature into wood and / or composite materials. However, according to a preferred embodiment of the wood or composite of this 100% consist of popcorn.
- wood and / or composite material in the context of the present invention should be understood in the broadest sense and expressly include such materials that are (only) made of popcorn and contain no wood components (more).
- popcorn in the sense of the present invention comprises in particular all materials which, like the puffed corn (Zea mays, convar microspermum), if appropriate after adequate greasing, explode at high temperatures due to fast heating of the water present in the seed Such behavior is known inter alia by quinoa grain, amaranth, rice or even wheat, materials based on these raw materials are explicitly referred to in the context of the present invention as “a foamy consistency.” Popcorn “and includes, the term” popcorn “should not be limited to corn and was chosen especially for reasons of simplicity, clarity and readability.
- structural and dimensionally stabilizing material means in particular any material which, due to its structure, gives the material a certain strength and dimensional stability.
- the proportion of popcorn in the lignocellulose-containing molded body can be between> 0 and ⁇ 100% of the structuring and / or dimensionally stabilizing material.
- a lignocellulose-containing molding according to the invention may also consist of 100% popcorn; the term "lignocellulosic shaped body" is to be understood in the widest possible sense and should - A -
- the popcorn has a particle size distribution in which> 50% and ⁇ 90% of the popcorn have a particle size of> 2 mm and ⁇ 10 mm.
- Popcorn of larger grain size is often less suitable for processing into lignocellulose-containing moldings such as wood and / or composites, and for many applications within the present invention, popcorn of smaller grain size tends to absorb the binder or glue added during the manufacture of the wood and / or composite the quality of the wood and / or composite material may deteriorate.
- the popcorn has a particle size distribution in which> 70% and ⁇ 90% of the popcorn have a particle size of> 2 mm and ⁇ 10 mm.
- the popcorn has a particle size distribution in which> 50% and ⁇ 90%, particularly preferably> 70% and ⁇ 90% of the popcorn have a particle size of> 4 mm and ⁇ 10 mm.
- the popcorn has a particle size distribution in which> 50% and ⁇ 80% of the popcorn have a particle size of> 3 mm and ⁇ 8 mm.
- the popcorn has an average particle size distribution of> 3 mm and ⁇ 6 mm. This has been found to be beneficial for many applications within the present invention.
- the popcorn has an average particle size distribution of> 3.5 mm and ⁇ 5 mm.
- the fat content of the popcorn before processing is ⁇ 10 (wt)%.
- fat content of popcorn does not mean the total amount of fat in popcorn, but rather the proportion of fat which has been used for hydrophobicizing the seed epidermis, which leads to better inclusion of the water contained in the seed.
- the present invention also relates to the use of popcorn as a formaldehyde scavenger, particularly but not limited to wood and / or composites made with urea-formaldehyde resin, melamine-formaldehyde resin, melamine-reinforced urea-formaldehyde resin, tannin-formaldehyde resin and phenol-formaldehyde resin a mixture of said resins have been bonded.
- formaldehyde scavenger particularly but not limited to wood and / or composites made with urea-formaldehyde resin, melamine-formaldehyde resin, melamine-reinforced urea-formaldehyde resin, tannin-formaldehyde resin and phenol-formaldehyde resin a mixture of said resins have been bonded.
- popcorn can be used not only as a structuring and dimensionally stabilizing material in lignocellulose-containing moldings such as wood and / or composites, but also has the advantageous property in the manufacture and use of wood and / or composites as a formaldehyde scavenger in the To act plate.
- the proportion of popcorn in the wood and / or composite material can be between> 0 and ⁇ 100% of the structuring and dimensionally stable material.
- the popcorn has a particle size distribution in which> 50% and ⁇ 90% of the popcorn have a particle size of> 2 mm and ⁇ 10 mm.
- Popcorn larger grain size is often worse process wood and / or composites
- popcorn smaller grain size tends in many applications within the present inventions to absorb the added in the manufacture of the wood and / or composite binder or the glue, which is the quality of Wood and / or composite material may deteriorate.
- the popcorn has a particle size distribution in which> 70% and ⁇ 90% of the popcorn have a particle size of> 2 mm and ⁇ 10 mm.
- the popcorn has a
- the popcorn has a particle size distribution in which> 50% and ⁇ 80% of the popcorn have a particle size of> 3 mm and ⁇ 8 mm.
- the popcorn has an average particle size distribution of> 3 mm and ⁇ 6 mm. This has been found to be beneficial for many applications within the present invention.
- the popcorn has an average particle size distribution of> 3.5 mm and ⁇ 5 mm.
- the fat content of the popcorn before processing is ⁇ 10 (wt)%.
- the present invention also relates to a particleboard and / or fiberboard having a bulk density of ⁇ 550 kg / m 3 , more preferably ⁇ 500 kg / m 3 , and most preferably ⁇ 450 kg / m 3 , and a transverse tensile strength per density * 1000 of> 0.75 m 3 N / mm 2 kg, preferably> 0.8 m 3 N / mm 2 kg and most preferably> 0.85 m 3 N / mm 2 kg.
- the present invention also relates to a method for producing a wood and / or composite material according to the invention and / or a particle board and / or fiberboard according to the invention, comprising the steps
- step a) is carried out by microwave treatment, preferably at> 1500 W and ⁇ 3000 W, wherein the treatment is preferably between> 1 min and ⁇ 5 min.
- a binder and optionally a curing accelerator is added at step c).
- Curing accelerators which may be used are all substances known in the field, in particular ammonium sulfate and / or potash.
- Fig. 1 is a diagram of a particle size distribution of a popcorn granules, which was used in the inventive examples; such as
- FIG. 2 shows a diagram of a chip fraction distribution of middle and outer layer chips which were used in the examples according to the invention.
- Fig. 2 shows the size distribution of the wood chips used.
- Example 1 Production of UF resin bonded, three-layer chipboard with low density and with 50% popcorn granules in the middle layer
- an emulsion maintained Paraffin-based brand "HYDRO WAX 138 ® " from SASOL GmbH with a solids content of about 50% is used.
- the glue liquor of the middle layer consisted of 8.5% UF solid resin based on dry chip, 1% ammonium sulfate solution (hardener) based on dry solid resin and 1% hydrophobing agent based on dry chip.
- the glue liquor of the topcoat consisted of 10% UF solid resin based on atro chip, 0.5% ammonium sulfate solution based on solid and solid resin 1% hydrophobing agent based on atro chip.
- the chip cake was pressed at 195 ° C for 12 s / mm and a pressure of 220 bar.
- the transverse tensile strengths of the chipboard with popcorn granules in the middle layer and a bulk density of 550 kg / m 3 are 0.45 N / mm 2 both above the references and above the standard prescribed by EN 312-4.
- the swelling values of the popcorn chipboard are also below the respective values of the reference plates and below the standard of 15% after 24 h of water storage with 8.3% (see Table 1).
- Example 2 Production of UF resin-bound, three-layer chipboard with low density and with 50% popcorn granules in the middle and top layer
- the glue liquor of the middle layer consisted of 8.5% of solid resin, based on dry chip, 1% of ammonium sulfate solution, based on dry solid resin and 1% of water repellent based on dry chip.
- the size liquor of the cover layer consisted of 10% of solid resin, based on dry chip, 0.5% of ammonium sulfate solution based on solid, solid resin and 1% of water repellent based on dry chip.
- the chip cake was pressed at 195 ° C. for 12 s / mm and a pressure of 220 bar (see Table 1).
- Example 3 Production of UF resin bonded, three-layer chipboards with low density of pure industrial chips as a reference From pure industrial manufactured Spangut 20 mm thick three-layer chipboard with a density of 450 kg / m 3 and 550 kg / m 3 and an industrially standardized binder composition were prepared. The size liquor corresponded in composition and amount to those described in Examples 1 and 2. All other production parameters are completely identical to Examples 1 and 2. The values of the mechanical and technological properties of Examples 1, 2 and 3 are shown in Table 1.
- Table 1 Mechanical-technological properties of the three-layer UF resin-bonded chipboard with popcorn admixture in the middle layer (Example 1), in middle and top layer (Example 2) and pure industrial chips as reference (Example 3)
- Example 4 Production of PF resin-bonded, three-layer chipboard with low bulk density and with 50% popcorn granules in the middle layer 20 mm thick three-layer chipboard with a density of 450 kg / m 3 and 550 kg / m 3 were prepared with phenolic resin as a binder from the same Spangut and popcorn granules. The middle layer chips were again mixed with 50% popcorn granules.
- an aqueous solution of a phenol-formaldehyde was resin of the brand "Bakelite ® PF 2506 HW" from Bakelite AG having a solids content of about 45%.
- a 50% aqueous potash solution was used.
- water repellents an emulsion based on paraffin brand "HYDRO WAX 138 ®” from SASOL GmbH with a solids content of about 50% is used.
- the glue liquor of the middle class was composed of 8.5% PF resin solids based on anhydrous chip, 2 % Potash solution (hardener) based on atro solid resin and 1% water repellent based on atro chip
- the glue liquor of the top layer consisted of 10% PF solid resin based on atro chip, 1% potash solution (hardener) based on solid solid resin and 1 % water repellents based on anhydrous chip.
- the chip was at 210 0 C for 12 s / mm and a pressure of 220 bar pressed (s. tab. 2).
- Example 5 Production of PF resin-bonded, three-layer chipboards with low bulk density and with 50% popcorn granules in the middle and top layer
- Particleboard with a density of 450 kg / m 3 and 550 kg / m 3 prepared with phenolic resin as a binder.
- the middle layer and top layer shavings were again mixed with 50% popcorn granules.
- an aqueous solution of a phenol-formaldehyde resin of the brand "Bakelite ® PF 2506 HW" of the Bakelite AG was used having a solids content of about 45%.
- a 50% aqueous potash solution was used as a curing accelerator.
- Hydrophobizing agent used was a Paraff ⁇ nbasis emulsion of the brand "HYDRO WAX 138 R " from SASOL GmbH with a solids content of about 50%
- the glue liquor of the middle layer consisted of 8.5% solid resin based on atro chip, 2% potash Solide liquor of the topcoat consisted of 10% solid resin based on dry chip, 1% potash solution based on solid, solid resin and 1% of water repellent based on dry chip 210 0 C for 12 s / mm and a pressure of 220 bar compressed (Table 2).
- Example 6 Production of PF resin-bonded, three-layer chipboard of low bulk density from pure industrial chips as a reference
- Table 2 Mechanical-technological properties of the three-layer PF resin-bonded chipboard with popcorn admixture in the middle layer (Example 4), in middle and top layer (Ex 5) and pure industrial chips as reference (Ex. 6)
- Example 7 Production of PMDI-bound, three-layer chipboard with low bulk density and with 50% popcorn granules in the middle layer
- Example 8 Production of PMDI-bound, three-layer chipboard with low density and with 50% popcorn granules in the middle and top layer
- Example 9 Production of PMDI bonded, three-layer chipboard with low bulk density from pure industrial chips as a reference
- Example 5 As a reference to Example 5, 20 mm thick three-layer chipboards having a bulk density of 450 kg / m 3 and 550 kg / m 3 and the PMDI "Desmodurl 520 A20" as a binder were produced from pure industrial manufactured chipboard and 8. The values of the mechanical-technological properties of Examples 7, 8 and 9 are shown in Table 3.
- Example 10 Production of UF resin-bound, three-layer composites with low bulk density from 100% popcorn granules in the middle and top layer
- the glue liquor of the middle layer consisted of 8.5% UF solid resin based on dry popcorn granules, 1% ammonium sulfate solution (hardener) based on solid solid resin and 1% hydrophobing agent based on dry popcorn granules.
- the glue liquor of the cover layer consisted of 10% UF solid resin based on dry popcorn granules, 0.5% ammonium sulfate solution based on solid solid resin and 1% hydrophobing agent based on dry popcorn granules.
- the popcorn granules cake was pressed at 195 ° C for 12 s / mm and a pressure of 220 bar.
- Example 10 the perforator value, ie the release of formaldehyde, was additionally measured (methodology see below). As can be clearly seen, is in the According to the invention composites this Perforatorwert significantly lower, ie it is released less formaldehyde, since it is bound by the popcorn.
- Example 11 Production of phenol-resin (PF) bonded three-layer composites with low bulk density from 100% popcorn granules in the middle and top layer
- the glue liquor of the middle class was composed of 8.5% PF-hard resin, based on anhydrous popcorn grains, 2 % Potash solution (hardener) based on atro solid resin and 1% water repellent based on atro popcorn granules
- the glue liquor of the top layer consisted of 10% PF solid resin based on atro popcorn granules, 1% potash solution (hardener) based on solid solid resin and 1 % water repellents based on anhydrous popcorn granulate.
- the popcorn grains cake was pressed at 210 0 C for 12 s / mm and a pressure of 220 bar.
- Table 5 Mechanical-technological properties of the three-layered composites of popcorn granules bound with PF resin (Example 11) and the corresponding reference example (Example 6) from wood shavings
- the transverse tensile strengths of the composite materials of pure popcorn granules and a bulk density of 550 kg / m 3 are 0.47 N / mm 2 to 0.64 N / mm 2, both above the references and above the standard prescribed by EN 312-4.
- the swelling values of the popcorn composite materials after 24 h of water storage at approx. 6% are also below the respective values of the reference plates and well below the standard of 15%.
- Remarkable are also the extremely low perforator values of 1, 6 to 2 mg formaldehyde per 100 g composite material for PF resin and UF resin bonded plates. Values of 6 to 7 mg / 100g are the norm for composites made of wood bonded to UF resin. According to EN 120, an upper limit of 7 mg / 100g is specified for the perforator value.
- Example 12 Production of PMDI bonded, three-layer composites with low bulk density from 100% popcorn granules in the middle and top layer
- the perforator method (DIN EN 120) is a test standard for the determination of unbound formaldehyde in uncoated and / or unpainted wood-based materials.
- DIN EN 120 is a test standard for the determination of unbound formaldehyde in uncoated and / or unpainted wood-based materials.
- the perforator method (DIN EN 120) is a test standard for the determination of unbound formaldehyde in uncoated and / or unpainted wood-based materials.
- DIN EN 120 is a test standard for the determination of unbound formaldehyde in uncoated and / or unpainted wood-based materials.
- the round bottom flask is connected to the perforator and then 1000 ml of distilled water are introduced into the perforator insert.
- the radiator and gas absorption device and the original piston of the gas absorption device are connected.
- the original flask is filled with approx.
- the determination of the release of formaldehyde was carried out in accordance with the specifications of EN 717-3. 10 ml of the absorption solution was pipetted into a bottle and mixed with 10 ml of a 0.04 M acetylacetone solution and 10 ml of a 20% ammonium acetate solution. Subsequently, the samples were incubated at 40 ° C. for 15 minutes in a shaking water bath. After one hour of cooling to room temperature with dark storage of the samples were photometrically measured at 412 nm against deionized water and the formaldehyde release of the samples as a levy in mg of formaldehyde based on kg dry matter of the sample for the WKI bottle value calculated. The perforator value is given in mg of formaldehyde, based on 100 g dry matter of the sample.
- Table 7 contains the results of the formaldehyde release of popcorn composites as determined by the bottle and perforator methods.
- the bottle value in mg HCHO / 1000 g and the perforator value in mg HCHO / 100 g are roughly comparable with conventional wood-based materials. As can be seen from Table 1, the trend between the two values is the same for all the examples listed. The perforator value for all samples is slightly below the WKI bottle value. Thus, these results confirm the formaldehyde-binding properties of popcorn.
- Table 7 Formaldehyde release by the bottle and perforator method of popcorn-containing composites (Examples 1 and 2), a reference plate (Example 3) and pure popcorn composites (Example 10)
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL07820865T PL2081743T3 (pl) | 2006-10-04 | 2007-10-02 | Płyta wiórowa i/lub pilśniowa zawierająca popcorn oraz sposób wytwarzania |
EP20110191160 EP2439031A1 (de) | 2006-10-04 | 2007-10-02 | Verwendung von Popcorn für Holz- und Verbundwerkstoffe |
SI200731407T SI2081743T1 (sl) | 2006-10-04 | 2007-10-02 | Pokovko vsebujoča iverka in/ali vlaknenka kakor tudi postopek izdelave |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200610047279 DE102006047279A1 (de) | 2006-10-04 | 2006-10-04 | Verwendung von Popcorn für Holz- und Verbundwerkstoffe |
PCT/EP2007/060485 WO2008040747A2 (de) | 2006-10-04 | 2007-10-02 | Verwendung von popcorn für holz- und verbundwerkstoffe |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11191160.8 Division-Into | 2011-11-29 |
Publications (2)
Publication Number | Publication Date |
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EP2081743A2 true EP2081743A2 (de) | 2009-07-29 |
EP2081743B1 EP2081743B1 (de) | 2013-12-11 |
Family
ID=38664453
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20110191160 Ceased EP2439031A1 (de) | 2006-10-04 | 2007-10-02 | Verwendung von Popcorn für Holz- und Verbundwerkstoffe |
EP07820865.9A Active EP2081743B1 (de) | 2006-10-04 | 2007-10-02 | Popcorn enhaltende Span- und/oder Faserplatte, sowie Herstellungsverfahren |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20110191160 Ceased EP2439031A1 (de) | 2006-10-04 | 2007-10-02 | Verwendung von Popcorn für Holz- und Verbundwerkstoffe |
Country Status (13)
Country | Link |
---|---|
US (2) | US8168303B2 (de) |
EP (2) | EP2439031A1 (de) |
AR (1) | AR063116A1 (de) |
CA (1) | CA2666052C (de) |
CL (1) | CL2007002870A1 (de) |
DE (1) | DE102006047279A1 (de) |
EA (1) | EA013664B1 (de) |
ES (1) | ES2446093T3 (de) |
NO (1) | NO20091732L (de) |
PL (1) | PL2081743T3 (de) |
PT (1) | PT2081743E (de) |
SI (1) | SI2081743T1 (de) |
WO (1) | WO2008040747A2 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006047279A1 (de) * | 2006-10-04 | 2008-04-10 | Georg-August-Universität Göttingen Stiftung Öffentlichen Rechts | Verwendung von Popcorn für Holz- und Verbundwerkstoffe |
DE102013101937A1 (de) | 2013-02-27 | 2014-08-28 | Georg-August-Universität Göttingen Stiftung Öffentlichen Rechts | Holz- und Verbundwerkstoffplatte |
US10128646B1 (en) | 2017-03-14 | 2018-11-13 | Arlington Industries, Inc. | Two-gang TV bridge kit with pre-molded electrical cord for minimizing wiring terminations |
DE102018132738A1 (de) * | 2018-12-18 | 2020-06-18 | Georg-August-Universität Göttingen Stiftung Öffentlichen Rechts | Einsatz von expandiertem und hydrophobem Popcorn zur Herstellung von dreidimensionalen Formteilen |
DE102020105205A1 (de) | 2020-02-27 | 2021-09-02 | Georg-August-Universität Göttingen Stiftung Öffentlichen Rechts | Einsatz von elektromagnetischer Strahlung bei der Herstellung von popcornhaltigen Formteilen |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2359611C3 (de) | 1973-11-30 | 1981-09-17 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von durch Harze auf Isocyanatbasis gebundenen Füllstoffen |
US4992519A (en) * | 1989-02-01 | 1991-02-12 | Borden, Inc. | Binder composition with low formaldehyde emission and process for its preparation |
DE4211888A1 (de) * | 1992-04-09 | 1993-10-14 | Wulf V Dr Bonin | Ganzpflanzen-Formteile |
JPH05329810A (ja) * | 1992-05-29 | 1993-12-14 | Shinwa Kogyo Kk | ポップコ−ンブロック |
DE4226988A1 (de) * | 1992-08-14 | 1994-02-17 | Wulfram John Schmucker | Kunststofformteil und Verfahren zu dessen Herstellung |
US5300333A (en) * | 1993-03-29 | 1994-04-05 | The Enbiomass Group, Inc. | Biodegradable insulated food container |
JP3230793B2 (ja) * | 1995-01-24 | 2001-11-19 | 富士電機株式会社 | セラミックス発熱体 |
US5773801A (en) * | 1995-02-15 | 1998-06-30 | Golden Valley Microwave Foods, Inc. | Microwave cooking construction for popping corn |
GB2366853A (en) * | 2000-06-15 | 2002-03-20 | Neville Forster Atkinson | Expanded naturally occurring grains |
DE10036193A1 (de) * | 2000-07-24 | 2002-02-14 | Agrosys Gmbh & Co Kg | Verfahren zur Herstellung von Formteilen aus von nachwachsenden Rohstoffen gewonnenem Fasermaterial |
US6805888B2 (en) | 2001-06-22 | 2004-10-19 | The Quaker Oats Company | Method for preparing a puffed grain food product and a puffed grain food product |
DE10253455A1 (de) * | 2001-12-05 | 2003-06-18 | Ihd Inst Fuer Holztechnologie | Bindemittel für die Herstellung von quellungsvergüteten Holzwerkstoffen und die Verklebung von Holz und Holzwerkstoffen |
PL1639052T3 (pl) * | 2003-06-30 | 2015-05-29 | Dynea Austria Gmbh | Płyty o wiórach orientowanych |
DE102006047279A1 (de) * | 2006-10-04 | 2008-04-10 | Georg-August-Universität Göttingen Stiftung Öffentlichen Rechts | Verwendung von Popcorn für Holz- und Verbundwerkstoffe |
-
2006
- 2006-10-04 DE DE200610047279 patent/DE102006047279A1/de not_active Ceased
-
2007
- 2007-10-02 PL PL07820865T patent/PL2081743T3/pl unknown
- 2007-10-02 EP EP20110191160 patent/EP2439031A1/de not_active Ceased
- 2007-10-02 CA CA 2666052 patent/CA2666052C/en active Active
- 2007-10-02 EP EP07820865.9A patent/EP2081743B1/de active Active
- 2007-10-02 US US12/444,513 patent/US8168303B2/en not_active Expired - Fee Related
- 2007-10-02 ES ES07820865T patent/ES2446093T3/es active Active
- 2007-10-02 SI SI200731407T patent/SI2081743T1/sl unknown
- 2007-10-02 PT PT07820865T patent/PT2081743E/pt unknown
- 2007-10-02 EA EA200900468A patent/EA013664B1/ru not_active IP Right Cessation
- 2007-10-02 WO PCT/EP2007/060485 patent/WO2008040747A2/de active Application Filing
- 2007-10-03 AR ARP070104383 patent/AR063116A1/es active IP Right Grant
- 2007-10-04 CL CL2007002870A patent/CL2007002870A1/es unknown
-
2009
- 2009-04-30 NO NO20091732A patent/NO20091732L/no not_active Application Discontinuation
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2012
- 2012-04-13 US US13/446,131 patent/US8568895B2/en active Active
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See references of WO2008040747A2 * |
Also Published As
Publication number | Publication date |
---|---|
SI2081743T1 (sl) | 2014-03-31 |
CL2007002870A1 (es) | 2008-01-18 |
NO20091732L (no) | 2009-07-03 |
EA200900468A1 (ru) | 2009-12-30 |
CA2666052A1 (en) | 2008-04-10 |
DE102006047279A1 (de) | 2008-04-10 |
CA2666052C (en) | 2012-04-17 |
PL2081743T3 (pl) | 2014-11-28 |
AR063116A1 (es) | 2008-12-30 |
WO2008040747A3 (de) | 2008-06-12 |
PT2081743E (pt) | 2014-02-17 |
US8568895B2 (en) | 2013-10-29 |
WO2008040747A2 (de) | 2008-04-10 |
EA013664B1 (ru) | 2010-06-30 |
EP2439031A1 (de) | 2012-04-11 |
US20100112339A1 (en) | 2010-05-06 |
EP2081743B1 (de) | 2013-12-11 |
US8168303B2 (en) | 2012-05-01 |
US20120196120A1 (en) | 2012-08-02 |
ES2446093T3 (es) | 2014-03-06 |
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