CN104139445B - The manufacture method of indoor glued board or floor base material is glued together without aldehyde - Google Patents
The manufacture method of indoor glued board or floor base material is glued together without aldehyde Download PDFInfo
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- CN104139445B CN104139445B CN201410353344.0A CN201410353344A CN104139445B CN 104139445 B CN104139445 B CN 104139445B CN 201410353344 A CN201410353344 A CN 201410353344A CN 104139445 B CN104139445 B CN 104139445B
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Abstract
The present invention is the indoor glued board of the formaldehydeless gummed of high stability or the manufacture method of floor base material, comprises following processing step: 1) veneer drying; 2) spread on veneer surface or spray surface modifier, being dried to veneer surface filming; 3) veneer is arranged, assembly on request, the hot melt adhesive film that between every two-layer veneer, laying one is identical with veneer book size; 4) slab is sent into hot press hot-press gluing shaping, hot pressing terminates rear cooling, ejecting plate discharging; 5) slab normal temperature is deposited, and makes finished product through size and aftershaping machining.Advantage: use hot melt adhesive film to substitute traditional formaldehyde system adhesive, the release of product formaldehydeless or other harmful substance, saves coating process, improves production environment, enhances productivity; Veneer surface adopts the waterproofing agent of organosilicon modification of environment-friendly type, makes veneer case hardness increase and form hydrophobic film, greatly improves the cementing strength of hot melt adhesive film and base material, improves product water proofing property and dimensional stability.
Description
Technical field
What the present invention relates to is a kind of manufacture method of gluing together indoor glued board or floor base material without aldehyde without any harmful substance release, water proofing property and excellent size stability, belongs to wood science and engineering technology and decorative building material technical field.
Background technology
Along with the minimizing increasingly of natural hardwood resource, advantage that artificial forest fast growing wood grows rapidly with it, reserves are large is more and more for the production of various sheet.But fast growing wood due to growth cycle short, there is the natural defects such as material is soft, intensity is low, hardness is little, poor dimensional stability, and in the process of producing product such as glued board, general employing Lauxite or cyanurotriamide modified urea resin are as adhesive, inevitably there is Form aldehyde release problem, have a strong impact on living environment quality, harm humans physical and mental health and life security.
Summary of the invention
What the present invention proposed is a kind of manufacture method of gluing together indoor glued board or floor base material without aldehyde, its objective is the problems such as the water proofing property that products such as overcoming current interior decoration glued board, multilayer gluing timber floor exists is poor, buckling deformation, Form aldehyde release, combined by the surface-hydrophobicized process of veneer and hot melt adhesive film bonding technology, for indoor decorating provides a kind of formaldehydeless and other any harmful substance release, dimensional stability and the excellent environmental protection type veneer board of water resistance or floor base material.
Technical solution of the present invention: the indoor glued board of formaldehydeless gummed or the manufacture method of floor base material, comprise following processing step:
1) be 8% ~ 14% by required veneer drying to moisture content;
2) veneer surface after the drying spreads or sprays surface modifier, and consumption is 10 ~ 50g/m
2, the dry or low temperature drying of gas is to veneer surface filming;
3) veneer after surface treatment is arranged, by structure of plate slab the requirements assembly of glued board or floor base material, the hot melt adhesive film that between every two-layer veneer, laying one is identical with veneer book size;
4) slab is sent into hot press hot-press gluing shaping, hot-pressing gluing technology is: hot pressing temperature 130 ~ 160 DEG C, unit pressure 0.1 ~ 0.6MPa, hot pressing time 30 ~ 60s/mm; Heating platen temperature is cooled to lower than 100 DEG C, ejecting plate discharging after hot pressing terminates;
5) the slab normal temperature after hot-forming deposits more than 24h, makes finished product through size and aftershaping machining.
Advantage of the present invention: use hot melt adhesive film to substitute traditional formaldehyde system adhesive, product does not have formaldehyde or the release of other harmful substances, and saves coating process, improves production environment, improves production efficiency; Veneer surface adopts the waterproofing agent of organosilicon modification of environment-friendly type, makes veneer case hardness increase and form hydrophobic film, drastically increases the cementing strength of hot melt adhesive film and base material, improve water proofing property and the dimensional stability of product.
Detailed description of the invention
The indoor glued board of formaldehydeless gummed or the manufacture method of floor base material, is characterized in that the method comprises following processing step:
1) be 8% ~ 14% by required veneer drying to moisture content;
2) veneer surface after the drying spreads or sprays surface modifier, and consumption is 10 ~ 50g/m
2, the dry or low temperature drying of gas is to veneer surface filming;
3) veneer after surface treatment is arranged, by structure of plate slab the requirements assembly of glued board or floor base material, the hot melt adhesive film that between every two-layer veneer, laying one is identical with veneer book size;
4) slab is sent into hot press hot-press gluing shaping, hot-pressing gluing technology is: hot pressing temperature 130 ~ 160 DEG C, unit pressure 0.1 ~ 0.6MPa, hot pressing time 30 ~ 60s/mm; Heating platen temperature is cooled to lower than 100 DEG C, ejecting plate discharging after hot pressing terminates;
5) the slab normal temperature after hot-forming deposits more than 24h, makes finished product through size and aftershaping machining.
Described processing step 2) in surface modifier refer in film forming waterglass, sodium methyl silicate or octyltri-ethoxysilane waterproofing agent one.
Described processing step 3) in hot melt adhesive film be TPU, EVA, PA, PO(EAA) or PES glued membrane in one, film thickness controls at 0.1 ~ 0.25mm.
Embodiment 1
Get the thick board using poplar board of 2.0mm and put into drying box, dry 20min at 50 DEG C, at Veneer gluing surface spraying octyltri-ethoxysilane waterproofing agent after taking-up, spray is 20g/m in right amount
2, display 24h in air, between dried veneer is often two-layer, put the retardation PES hot melt adhesive film that a thickness is 0.2mm, form 7 laminate bases, then put into hot press, hot pressing temperature 140 DEG C, unit pressure 0.5MPa, hot pressing time is 5min, unloads plate after being then cooled to 90 DEG C.
Veneer saw 75mm × 75mm test specimen of said method compacting, put into 63 DEG C of water and soak 3h, taking out rear 63 DEG C of dry 3h, not there is phenomenon of coming unglued in each glue-line.
Embodiment 2
Get the thick board using poplar board of 2.0mm and put into drying box, 50 DEG C of dry 20min, be 3.0 by veneer brushing modulus after taking-up, moor the waterglass waterproof agent that U.S. degree is 40, brushing amount is 50g/m
2, take out and put into drying box 50 DEG C of dry 1h, put the PO hot melt adhesive film that a thickness is 0.25 between dried veneer is often two-layer, form 7 laminate bases, then put into hot press, regulate hot pressing temperature 150 DEG C, pressure 0.5MPa, hot pressing time 6min; Then be cooled to less than 90 DEG C and unload plate.
Veneer saw 75mm × 75mm test specimen of said method compacting, put into 63 DEG C of water and soak 3h, taking out rear 63 DEG C of dry 3h, not there is phenomenon of coming unglued in each glue-line, and veneer is peeled off wooden ratio of slope and reached more than 80%.
Claims (1)
1. the indoor glued board of formaldehydeless gummed or the manufacture method of floor base material, it is characterized in that: get the thick board using poplar board of 2.0mm and put into drying box, dry 20min at 50 DEG C, at Veneer gluing surface spraying octyltri-ethoxysilane waterproofing agent after taking-up, spray is 20g/m in right amount
2, display 24h in air, between dried veneer is often two-layer, put the retardation PES hot melt adhesive film that a thickness is 0.2mm, form 7 laminate bases, then put into hot press, hot pressing temperature 140 DEG C, unit pressure 0.5MPa, hot pressing time is 5min, unloads plate after being then cooled to 90 DEG C; Veneer saw 75mm × 75mm test specimen of compacting, put into 63 DEG C of water and soak 3h, taking out rear 63 DEG C of dry 3h, not there is phenomenon of coming unglued in each glue-line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410353344.0A CN104139445B (en) | 2014-07-24 | 2014-07-24 | The manufacture method of indoor glued board or floor base material is glued together without aldehyde |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410353344.0A CN104139445B (en) | 2014-07-24 | 2014-07-24 | The manufacture method of indoor glued board or floor base material is glued together without aldehyde |
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| Publication Number | Publication Date |
|---|---|
| CN104139445A CN104139445A (en) | 2014-11-12 |
| CN104139445B true CN104139445B (en) | 2016-04-13 |
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| CN201410353344.0A Expired - Fee Related CN104139445B (en) | 2014-07-24 | 2014-07-24 | The manufacture method of indoor glued board or floor base material is glued together without aldehyde |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106493802B (en) * | 2016-12-27 | 2019-03-08 | 福建和其昌树脂科技有限公司 | A kind of container bottom board and preparation method thereof containing directional structure board |
| CN107127838A (en) * | 2017-06-16 | 2017-09-05 | 福建省林业科学研究院 | A kind of novel mildew resistant cabinet thick china and its manufacture method |
| CN107718185A (en) * | 2017-10-30 | 2018-02-23 | 南宁科天水性科技有限责任公司 | A kind of solid wooden compound floor is with without aldehyde bond paper, solid wooden compound floor glued board and its its press-paste technique |
| CN108556110B (en) * | 2018-04-24 | 2023-04-11 | 浙江省林业科学研究院 | Manufacturing method of bamboo bundle veneer LCM (liquid Crystal Module) molded furniture component |
| CN110239192A (en) * | 2019-07-25 | 2019-09-17 | 东莞市穗丰装饰材料有限公司 | A kind of composite board processing method |
Citations (7)
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| US5286545A (en) * | 1991-12-18 | 1994-02-15 | Southern Resin, Inc. | Laminated wooden board product |
| JP2709914B2 (en) * | 1995-11-24 | 1998-02-04 | 捷宏 田原 | Decorative plywood and its manufacturing method |
| US6887583B1 (en) * | 1997-04-21 | 2005-05-03 | Nevamar Corporation, Llp | Low pressure melamine/veneer panel |
| CN101058199A (en) * | 2007-05-18 | 2007-10-24 | 简瑞聪 | Method for manufacturing formaldehydeless plywood and formaldehydeless multi-layer wood substrates |
| CN102463729A (en) * | 2010-11-03 | 2012-05-23 | 王殿营 | Formaldehyde-free plywood machining process |
| CN102643617A (en) * | 2012-04-20 | 2012-08-22 | 北京益达装饰材料有限公司 | Ultraviolet radiation based bonding process for EVA (ethylene vinyl acetate) hot melt adhesive on decorative edge bands |
| CN103881595A (en) * | 2014-03-13 | 2014-06-25 | 魏根成 | Hot-melt adhesive film for plywood and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011051565A1 (en) * | 2009-10-28 | 2011-05-05 | Upm-Kymmene Wood Oy | Method and apparatus for manufacturing plywood |
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2014
- 2014-07-24 CN CN201410353344.0A patent/CN104139445B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5286545A (en) * | 1991-12-18 | 1994-02-15 | Southern Resin, Inc. | Laminated wooden board product |
| JP2709914B2 (en) * | 1995-11-24 | 1998-02-04 | 捷宏 田原 | Decorative plywood and its manufacturing method |
| US6887583B1 (en) * | 1997-04-21 | 2005-05-03 | Nevamar Corporation, Llp | Low pressure melamine/veneer panel |
| CN101058199A (en) * | 2007-05-18 | 2007-10-24 | 简瑞聪 | Method for manufacturing formaldehydeless plywood and formaldehydeless multi-layer wood substrates |
| CN102463729A (en) * | 2010-11-03 | 2012-05-23 | 王殿营 | Formaldehyde-free plywood machining process |
| CN102643617A (en) * | 2012-04-20 | 2012-08-22 | 北京益达装饰材料有限公司 | Ultraviolet radiation based bonding process for EVA (ethylene vinyl acetate) hot melt adhesive on decorative edge bands |
| CN103881595A (en) * | 2014-03-13 | 2014-06-25 | 魏根成 | Hot-melt adhesive film for plywood and preparation method thereof |
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| CN104139445A (en) | 2014-11-12 |
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