CN104139445A - Manufacturing method of formaldehyde-free gluing indoor plywood or floor base material - Google Patents
Manufacturing method of formaldehyde-free gluing indoor plywood or floor base material Download PDFInfo
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- CN104139445A CN104139445A CN201410353344.0A CN201410353344A CN104139445A CN 104139445 A CN104139445 A CN 104139445A CN 201410353344 A CN201410353344 A CN 201410353344A CN 104139445 A CN104139445 A CN 104139445A
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Abstract
The invention relates to a manufacturing method of high-stability formaldehyde-free gluing indoor plywood or a floor base material. The manufacturing method comprises the following steps that (1) single plates are dried; (2) surface modifiers are smeared or sprayed on the surfaces of the single plates and then dried until films are formed on the surfaces of the single plates; (3) the single plates are arranged in order and assembled according to requirements, and a hot melting glue film with the same size as the single plates is laid between every two single plates; (4) a plate blank is fed into a hot press to be formed in a hot press gluing mode, and the blank is cooled after hot press, then discharged and unloaded; (5) the blank is stored at normal temperature and manufactured into a finished product after being machined through size cutting and later forming. The manufacturing method of the high-stability formaldehyde-free gluing indoor plywood or the floor base material has the advantages that the hot melting glue films are used for replacing traditional formaldehyde-class glue, no formaldehyde or other harmful matter is discharged from the product, a gluing procedure is eliminated, the production environment is improved, and production efficiency is improved. The surfaces of the single plates are modified through environmentally-friendly organic silicone waterproof agents, the hardness of the surfaces of the single plates is increased, hydrophobic films are formed, the gluing strength of the hot melting glue films and the base material is largely improved, and the waterproof performance and size stability of the product is improved.
Description
Technical field
What the present invention relates to is the manufacture method of gluing together indoor glued board or floor base material without aldehyde of a kind of that discharge without any harmful substance, 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, artificial forest fast growing wood with its growth rapidly, the large advantage of reserves is more and more for the production of various sheets.Yet fast growing wood is because growth cycle is 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 Lauxite or the cyanurotriamide modified urea resin of adopting is as adhesive, inevitably there is formaldehyde release And Spread of Solute, 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 problems such as overcoming the current water proofing property that for interior decoration, the product such as glued board, multilayer gluing timber floor exists is poor, buckling deformation, formaldehyde release, by the surface-hydrophobicized processing of veneer and hot melt adhesive film bonding technology, combine, for indoor decorating provide a kind of formaldehydeless and other any harmful substance discharges, dimensional stability and good environmental protection type veneer board or the floor base material of water resistance.
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) by required veneer drying to moisture content, be 8%～14%;
2) on dried veneer surface, spread or spray surface modifier, 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 the structure of plate slab requirement assembly of glued board or floor base material, between every two-layer veneer, lay a hot melt adhesive film identical with veneer book size;
4) slab is sent into hot press hot-press gluing moulding, hot-pressing gluing technology is: 130～160 ℃ of hot pressing temperatures, unit pressure 0.1～0.6MPa, hot pressing time 30～60s/mm; After finishing, hot pressing is cooled to heating platen temperature lower than 100 ℃, ejecting plate discharging;
5) the slab normal temperature after hot-forming is made finished product through size and aftershaping machining more than depositing 24h.
Advantage of the present invention: using hot melt adhesive film to substitute traditional formaldehyde is adhesive, product does not have formaldehyde or other harmful substances to discharge, and has saved coating process, has improved production environment, improved production efficiency; Veneer surface adopts the waterproofing agent of organosilicon modification of environment-friendly type, makes veneer case hardness increase and form hydrophobic film, has greatly improved the cementing strength of hot melt adhesive film and base material, has improved water proofing property and the dimensional stability of product.
The specific embodiment
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) by required veneer drying to moisture content, be 8%～14%;
2) on dried veneer surface, spread or spray surface modifier, 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 the structure of plate slab requirement assembly of glued board or floor base material, between every two-layer veneer, lay a hot melt adhesive film identical with veneer book size;
4) slab is sent into hot press hot-press gluing moulding, hot-pressing gluing technology is: 130～160 ℃ of hot pressing temperatures, unit pressure 0.1～0.6MPa, hot pressing time 30～60s/mm; After finishing, hot pressing is cooled to heating platen temperature lower than 100 ℃, ejecting plate discharging;
5) the slab normal temperature after hot-forming is made finished product through size and aftershaping machining more than depositing 24h.
Described processing step 2) surface modifier in refers to a kind of in film forming waterglass, sodium methyl silicate or octyltri-ethoxysilane waterproofing agent.
Described processing step 3) hot melt adhesive film in is TPU, EVA, PA, PO(EAA) or PES glued membrane in a kind of, film thickness is controlled 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 ℃, after taking-up, at Veneer gluing surface spraying octyltri-ethoxysilane waterproofing agent, spray is 20g/m in right amount
2, in air, display 24h, dried veneer is every puts the PES hot melt adhesive film that a thickness is 0.2mm between two-layer, form 7 laminate bases, then put into hot press, 140 ℃ of hot pressing temperatures, unit pressure 0.5MPa, hot pressing time is 5min, unloads plate after being then cooled to 90 ℃.
Veneer saw 75mm * 75mm processed test specimen of said method compacting, puts into 63 ℃ of water and soaks 3h, takes out rear 63 ℃ of dry 3h, and the phenomenon of coming unglued does not appear in each glue-line.
Embodiment 2
Get the thick board using poplar board of 2.0mm and put into drying box, 50 ℃ of dry 20min are 3.0 by veneer brushing modulus after taking-up, moor U.S. degree is 40 waterglass waterproof agent, and brushing amount is 50g/m
2, taking out and to put into 50 ℃ of dry 1h of drying box, dried veneer is every puts the PO hot melt adhesive film that a thickness is 0.25 between two-layer, forms 7 laminate bases, then puts into hot press, regulates 150 ℃ of hot pressing temperatures, pressure 0.5MPa, hot pressing time 6min; Then be cooled to 90 ℃ and unload below plate.
Veneer saw 75mm * 75mm processed test specimen of said method compacting, puts into 63 ℃ of water and soaks 3h, takes out rear 63 ℃ of dry 3h, and the phenomenon of coming unglued does not appear in each glue-line, and veneer is peeled off wooden ratio of slope and reached more than 80%.
Claims (3)
1. 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) by required veneer drying to moisture content, be 8%～14%;
2) on dried veneer surface, spread or spray surface modifier, 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 the structure of plate slab requirement assembly of glued board or floor base material, between every two-layer veneer, lay a hot melt adhesive film identical with veneer book size;
4) slab is sent into hot press hot-press gluing moulding, hot-pressing gluing technology is: 130～160 ℃ of hot pressing temperatures, unit pressure 0.1～0.6MPa, hot pressing time 30～60s/mm; After finishing, hot pressing is cooled to heating platen temperature lower than 100 ℃, ejecting plate discharging;
5) the slab normal temperature after hot-forming is made finished product through size and aftershaping machining more than depositing 24h.
2. the indoor glued board of formaldehydeless gummed as claimed in claim 1 or the manufacture method of floor base material, is characterized in that described processing step 2) in surface modifier refer to a kind of in film forming waterglass, sodium methyl silicate or octyltri-ethoxysilane waterproofing agent.
3. the indoor glued board of formaldehydeless gummed as claimed in claim 1 or the manufacture method of floor base material, it is characterized in that described processing step 3) in hot melt adhesive film be TPU, EVA, PA, PO(EAA) or PES glued membrane in a kind of, film thickness is controlled at 0.1～0.25mm.
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 |
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| CN104139445A true CN104139445A (en) | 2014-11-12 |
| CN104139445B 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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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106493802A (en) * | 2016-12-27 | 2017-03-15 | 福建和其昌树脂科技有限公司 | A kind of container bottom board containing directional structure board and preparation method thereof |
| 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 |
| CN108556110A (en) * | 2018-04-24 | 2018-09-21 | 浙江省林业科学研究院 | A kind of manufacturing method of bamboo beam veneer LCM formed fitment components |
| 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 |
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| US6887583B1 (en) * | 1997-04-21 | 2005-05-03 | Nevamar Corporation, Llp | Low pressure melamine/veneer panel |
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- 2014-07-24 CN CN201410353344.0A patent/CN104139445B/en not_active Expired - Fee Related
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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 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106493802A (en) * | 2016-12-27 | 2017-03-15 | 福建和其昌树脂科技有限公司 | A kind of container bottom board containing directional structure board and preparation method thereof |
| 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 |
| CN108556110A (en) * | 2018-04-24 | 2018-09-21 | 浙江省林业科学研究院 | A kind of manufacturing method of bamboo beam veneer LCM formed fitment components |
| 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 |
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| CN104139445B (en) | 2016-04-13 |
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