CN105291207A - Environment-friendly ecological board and production process thereof - Google Patents
Environment-friendly ecological board and production process thereof Download PDFInfo
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- CN105291207A CN105291207A CN201510606229.4A CN201510606229A CN105291207A CN 105291207 A CN105291207 A CN 105291207A CN 201510606229 A CN201510606229 A CN 201510606229A CN 105291207 A CN105291207 A CN 105291207A
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Abstract
The invention provides an environment-friendly ecological board and a production process thereof. The production process comprises: performing hot-press gluing on one side of an artificial board and impregnated bond paper into an impregnated bond paper decorative artificial board, and cooling the impregnated bond paper decorative artificial board till a room temperature for later use, wherein hot pressing is performed for 5-15 minutes at a temperature ranging from 100 to 150 DEG C and under a pressure ranging from 0.3 to 1.5MPa; coating both sides of a substrate with a cold-pressing glue and performing cold pressing on the substrate and the obtained impregnated bond paper decorative artificial board, wherein the cold-pressing glue is a water-based isocyanate adhesive; cold pressing is performed for over 30 minutes under a pressure ranging from 0.1 to 1Mpa; relieving the pressure, and aging for 5 or more hours followed by cutting edges, thereby obtaining the finished environment-friendly ecological board. The invention provides the environment-friendly ecological board that is few in production steps and high in finished product yield and grade rate, and the production process thereof.
Description
[technical field]
The invention belongs to sheet material production technical field, be specifically related to a kind of environmental and ecological plate and production technology thereof.
[background technology]
Be that for splice plate (also claiming lumber core), oriented structure chipboard (i.e. OSB plate), due to factors such as defects in timber, material difference and dimensional tolerances, substrate surface exists rough defect for substrate.Overcome this defect, produce the ecological board product that surface smoothness is good, grade is high, conventional production technology is as follows: plate in the two-sided glue laminated one deck of technique one: 1, substrate, and normally thickness is the thin plates such as the veneer of 1.5-2.2mm; If 2 glue medium pressing boards adopt hot pressing mode, then the blanket after hot pressing needs to display health 7-10 days, reduces the thermal stress of blanket, if adopt mode of colding pressing, can save and display health operation; 3, the middle plate surface Puttying on blanket two sides; 4, after putty drying, blanket heavy sand, fixed thick; 5, blanket two-sided glue laminated again one deck outside plate, the normally thin plate such as thickness 0.4-0.6mm veneer or Recombinant Wood skin; If 6 glue medium pressing boards adopt hot pressing mode, the blanket after hot pressing then needs to display health 2-3 days; 7, the outer plate surfaces on blanket two sides scrapes thin putty; 8, plate face light weight sand after putty solidification; 9, the two-sided hot pressing melamine impregnated paper respectively of blanket; 10, cutting edge, completes production process.Adopt technique for the moment, production process be many, the production cycle is long, cost of labor is high, energy consumption is high, not environmentally and product qualified rate and rate of grade low.Plate in the two-sided glue laminated one deck of technique two: 1, substrate, normally thickness is the thin plates such as the veneer of 1.5-2.2mm; If 2 glue medium pressing boards adopt hot pressing mode, then the blanket after hot pressing needs to display health 7-10 days, reduces the thermal stress of blanket, if adopt mode of colding pressing, can save and display health operation; 3, the middle plate surface Puttying on blanket two sides; 4, after putty drying, blanket heavy sand, fixed thick, stand-by; 5, outside plate one side and melamine impregnated paper are hot pressed into the single layer composite of one side melamine impregnated paper facing; 6, the composite plate of the two-sided heat-press step 5 respectively of blanket; 7, cutting edge, completes production process.Adopt technique two time, when outside plate is the thin plate of solid wood class, there is rough defect in its plate surface, with melamine impregnated paper hot pressing after, this defect can be apparent on the plate face of production board; When outside plate is Recombinant Wood, when with melamine impregnated paper hot pressing, hot pressing temperature is no more than 100 DEG C, the impregnated paper brightness of production board face is lower, bionical wood grain on impregnated paper seems stiff, but hot pressing temperature is too high, and the composite plate of Recombinant Wood and impregnated paper easily has cracking phenomena.Further, substrate is when hot pressing, and wood plank is heated and can produces tiles and bend (the sheet material degree of crook of small dimension wood is larger), at high temperature under high pressure, because wood plank density variation can cause compression ratio difference, makes substrate produce step vestige and ripple glaze.So, adopt repeatedly heat pressing process that ecological board surface can be caused to occur the defects such as ripple glaze, carbonization, bright spot.If substrate moisture content is higher, adopt heat pressing process also can cause the defects such as bubbling.
Chinese invention patent ZL201510009098.1 discloses a kind of ecological board and preparation technology thereof: 1, plate in plate in central layer and upper strata and lower floor is obtained blank substrate after being binded by hot pressing; 2, the two-sided sanding of blank and cutting edge obtain substrate layer; 3, melamine impregnated paper and outside plate hot pressing obtain impregnated paper composite plate; 4, composite plate and above-mentioned blanket are colded pressing; 5, cutting edge, completes production process.
This technique outside plate selects Recombinant Wood, poplar or Eucalyptus, when outside plate be poplar or Eucalyptus time, there is rough defect in its surface, with melamine impregnated paper hot pressing after, this defect can be apparent on the plate face of production board; When outside plate is Recombinant Wood, when with melamine impregnated paper hot pressing, hot pressing temperature is no more than 100 DEG C, and therefore, the brightness of production board face is bad; When central plate and central layer hot pressing, central layer is heated and can bends (the sheet material degree of crook of small dimension wood is larger) in tiles, and, because the thickness deviation of every block central layer and density variation also can cause step vestige and the ripple glaze of substrate surface during hot pressing.Although this technique optimizes production process, also cannot overcome the common defect such as ripple glaze, carbonization, bright spot, bubbling in ecological board surface, in addition, after middle plate and central layer hot pressing, it is longer that what blank substrate eliminated that thermal stress needs display conditioned time.
[summary of the invention]
Technical problem to be solved by this invention is to provide that a kind of production process is few, product qualified rate and rate of grade is high, the environmental and ecological plate and the production technology thereof that overcome the common deficiencies such as ecological board ripple glaze, carbonization, bright spot, bubbling.
The present invention is achieved in that
A production technology for environmental and ecological plate, comprises the steps:
Step 1: wood-based plate one side is carried out hot-press gluing with impregnated bond paper and becomes Surface decorated woodbased panels with paper impregnated thermosetting resins, be cooled to room temperature, stand-by;
Step 2: coat cold pressing glue by two-sided for substrate, cold pressing with the Surface decorated woodbased panels with paper impregnated thermosetting resins obtained in above-mentioned steps 1;
Step 3: release, to display 5 hours or more rear cutting edge, obtains the environmental and ecological plate of finished product.
Further, described impregnated bond paper is melamine impregnated paper.
Further, in described step 1, hot pressing duration is 5 ~ 15 minutes, and temperature is 100 DEG C-150 DEG C, pressure 0.3 ~ 1.5MPa.
Further, in described step 2, cold pressing glue is water-thinned isocyanate adhesive, and it carries out impregnation in following ratio: isocyanate adhesive 60% ~ 95%, curing agent 5% ~ 20%, flour 0 ~ 20%.
Further, the duration of colding pressing in described step 2 is more than 30 minutes, pressure 0.1 ~ 1MPa.
Further, in described step 2, put into cold press after multilayer environment protecting ecological board is stacked together and cold pressing.
Environmental and ecological plate obtained by the production technology of above-mentioned environmental and ecological plate, this environmental and ecological plate comprises substrate layer and compound flaggy, described substrate layer both-sided adhesive compound flaggy, described compound flaggy is that wood-based plate one side carries out with impregnated bond paper the Surface decorated woodbased panels with paper impregnated thermosetting resins that hot-press gluing becomes.
The invention has the advantages that: plate and this two-layer veneer of outside plate in 1, adopting wood-based plate to substitute, the operation that Puttying after veneer, sanding, health are pasted in substrate heat moulding can be reduced, the ecological board production time reduces more than 2/3rds, in the constant situation of working condition, improves production capacity 200%.2, wood-based plate; as glued board, MDF; it is all the product of large-scale production; manufacturing cost is lower; steady quality, has the advantages such as plate face is smooth, uniform in material, thickness deviation are little, the decoration panel after impregnated bond paper and wood-based plate high temperature hot pressing; glossiness, flatness significantly improve, and the bionical wood grain realism on ecological board surface is strong.3, decoration panel and substrate adopt cold-press process, and not only overcome the common deficiencies such as ripple glaze, carbonization, bright spot, bubbling, and ecological board is stablized indeformable, Yield Grade rate, qualification rate significantly promote.When colding pressing multilayer environment protecting ecological board stacked after put into cold press together and cold pressing, production efficiency is high, and energy consumption is low.4, substrate and decoration panel glue together, and adopt cold-press process, use water-thinned isocyanate adhesive, have the advantage of formaldehydeless environmental protection and high bonding strength, improve the environmental protection grade of product.Although 5 wood-based plate thin plate costs are higher than veneer, the indices such as comprehensive consideration output, energy consumption, labour cost, product qualified rate, the graded rate of products, selling price, the rate of capital turnover, enterprise practical economic benefit improves.
[accompanying drawing explanation]
The invention will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the structural representation of the environmental and ecological plate of the present invention.
[detailed description of the invention]
A production technology for environmental and ecological plate, comprises the steps:
Step 1: three layers of glued board one side are carried out hot-press gluing with melamine impregnated paper and becomes melamine impregnated paper face artificial board, display and be cooled to room temperature, stand-by; Wherein hot pressing duration is 8 minutes, and temperature is 125 DEG C-130 DEG C, pressure 0.7MPa.
In practice, this step hot pressing duration can be within the scope of 5-15 minute, and temperature can be between 100 DEG C-150 DEG C, and pressure can be between 0.3 ~ 1.5MPa.
Step 2: coat cold pressing glue by two-sided for substrate, colds pressing with the melamine impregnated paper face artificial board obtained in above-mentioned steps 1; Wherein cold pressing glue is water-thinned isocyanate adhesive, and it carries out impregnation in following ratio: isocyanate adhesive 80%, curing agent 10%, flour 10%.Duration of colding pressing is 60 minutes, pressure 0.2MPa.Can be undertaken colding pressing to enhance productivity by putting into cold press together after stacked for multilayer environment protecting ecological board.
In practice, in this step, cold pressing glue can be carry out impregnation in following ratio: isocyanate adhesive 60% ~ 95%, curing agent 5% ~ 20%, flour 0 ~ 20%.Its duration of colding pressing is more than 30 minutes, pressure 0.1 ~ 1MPa.
Step 3: release, displays cutting edge after 20 hours, obtains the environmental and ecological plate of finished product.
In practice, displaying in this step is more than 5 hours
Obtained environmental and ecological plate comprises substrate layer and compound flaggy, described substrate layer two-sided bonding compound flaggy, and described compound flaggy is that simultaneously carry out hot-press gluing with melamine impregnated paper becomes melamine impregnated paper face artificial board to wood-based plate.As shown in Figure 1, substrate 1 is two-sided is cold pressing glue glue-line 2 to concrete structure, cold pressing glue glue-line 2 bonds artificial flaggy 3 respectively, outermost layer is melamine-impregnated glued membrane ply of paper 4.
Plate and this two-layer veneer of outside plate during the present invention adopts wood-based plate to substitute, can reduce the operation of Puttying after substrate sticker veneer, sanding, health, the ecological board production time reduces more than 2/3rds, in the constant situation of working condition, improves production capacity 200%.Wood-based plate, as glued board, MDF, it is all large-scale production, manufacturing cost is lower, steady quality, there is plate face smooth, uniform in material, the advantages such as thickness deviation is little, after impregnated bond paper and wood-based plate high temperature hot pressing, gummed obtains decoration panel, its glossiness, flatness significantly improves, the bionical wood grain realism on ecological board surface is strong, overcome ripple glaze, carbonization, the common deficiencies such as bright spot, simultaneously, because the cracking resistance of wood-based plate is good, when impregnated bond paper and wood-based plate hot pressing, temperature can reach more than 130 DEG C and do not ftracture, Yield Grade rate and qualification rate get a promotion.Especially, when three layers of glued board selected by wood-based plate, the indexs such as product quality, production cost, production capacity are better, reason is: plate and the such sandwich construction of outside plate during three layers of glued board remain when reducing production process, material cost is close, and the design feature of such sandwich construction and glued board makes the smooth degree of product, fineness, intensity higher; Three layers of glued board are formed by three layers of Veneer gluing, and the grain direction of adjacent layer veneer is mutually vertical, crisscross, therefore has the principal advantages of glued board, as smooth in plate face stable, uniform in material, thickness deviation are little, cracking resistance ability is strong.Although wood-based plate cost is higher than veneer, the indices such as comprehensive consideration output, energy consumption, labour cost, product qualified rate, the graded rate of products, selling price, the rate of capital turnover, enterprise practical economic benefit is improved.Substrate and impregnated bond paper facing plate glue together, and adopt cold-press process, can use formaldehydeless environmental protection, the good water-thinned isocyanate adhesive of bonding strength, improve the environmental protection grade of product.The foregoing is only better enforcement use-case of the present invention, be not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a production technology for environmental and ecological plate, is characterized in that: comprise the steps:
Step 1: wood-based plate one side is carried out hot-press gluing with impregnated bond paper and becomes Surface decorated woodbased panels with paper impregnated thermosetting resins, be cooled to room temperature, stand-by;
Step 2: coat cold pressing glue by two-sided for substrate, cold pressing with the Surface decorated woodbased panels with paper impregnated thermosetting resins obtained in above-mentioned steps 1;
Step 3: release, to display 5 hours or more rear cutting edge, obtains the environmental and ecological plate of finished product.
2. the production technology of a kind of environmental and ecological plate as claimed in claim 1, is characterized in that: described impregnated bond paper is melamine impregnated paper.
3. the production technology of a kind of environmental and ecological plate as claimed in claim 1, it is characterized in that: in described step 1, hot pressing duration is 5 ~ 15 minutes, temperature is 100 DEG C-150 DEG C, pressure 0.3 ~ 1.5MPa.
4. the production technology of a kind of environmental and ecological plate as claimed in claim 1, it is characterized in that: in described step 2, cold pressing glue is water-thinned isocyanate adhesive, and it carries out impregnation in following ratio: isocyanate adhesive 60% ~ 95%, curing agent 5% ~ 20%, flour 0 ~ 20%.
5. the production technology of a kind of environmental and ecological plate as claimed in claim 1, is characterized in that: the duration of colding pressing in described step 2 is more than 30 minutes, pressure 0.1 ~ 1MPa.
6. the production technology of a kind of environmental and ecological plate as claimed in claim 1, is characterized in that: in described step 2, puts into cold press together and cold pressing after multilayer environment protecting ecological board is stacked.
7. according to a kind of environmental and ecological plate described in any one of claim 1 to 6 production technology obtained by environmental and ecological plate, it is characterized in that: this environmental and ecological plate comprises substrate layer and compound flaggy, described substrate layer both-sided adhesive compound flaggy, described compound flaggy is that wood-based plate one side carries out with impregnated bond paper the Surface decorated woodbased panels with paper impregnated thermosetting resins that hot-press gluing becomes.
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| CN201510606229.4A CN105291207A (en) | 2015-09-22 | 2015-09-22 | Environment-friendly ecological board and production process thereof |
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| CN201510606229.4A CN105291207A (en) | 2015-09-22 | 2015-09-22 | Environment-friendly ecological board and production process thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106738110A (en) * | 2016-12-01 | 2017-05-31 | 张建明 | A kind of glued board is colded pressing production method |
| CN107053367A (en) * | 2017-05-05 | 2017-08-18 | 贵港市鑫宏木业有限公司 | A kind of technique for producing ecological board |
| WO2018126332A1 (en) * | 2017-01-03 | 2018-07-12 | 长兴经纬竹制品有限公司 | Process for manufacturing dual-layer composite floor and product thereof |
| CN109203124A (en) * | 2018-09-30 | 2019-01-15 | 江西南丰振宇实业集团有限公司 | A kind of no bulge ecological board manufacture craft |
| CN109249489A (en) * | 2018-09-30 | 2019-01-22 | 江西南丰振宇实业集团有限公司 | A kind of paint free plate manufacture craft |
| CN109249490A (en) * | 2018-09-30 | 2019-01-22 | 江西南丰振宇实业集团有限公司 | A kind of bubble-free ecological board manufacture craft |
| CN109623975A (en) * | 2019-01-17 | 2019-04-16 | 司米厨柜有限公司 | A kind of solid wood door plate and its processing method |
| 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 |
| CN114654935A (en) * | 2022-02-18 | 2022-06-24 | 广东天元汇邦新材料股份有限公司 | SPC decorative board and preparation method thereof |
| CN115476411A (en) * | 2021-05-31 | 2022-12-16 | 万华化学集团股份有限公司 | Method for producing aldehyde-free plywood |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106738110A (en) * | 2016-12-01 | 2017-05-31 | 张建明 | A kind of glued board is colded pressing production method |
| WO2018126332A1 (en) * | 2017-01-03 | 2018-07-12 | 长兴经纬竹制品有限公司 | Process for manufacturing dual-layer composite floor and product thereof |
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| CN109249489A (en) * | 2018-09-30 | 2019-01-22 | 江西南丰振宇实业集团有限公司 | A kind of paint free plate manufacture craft |
| CN109249490A (en) * | 2018-09-30 | 2019-01-22 | 江西南丰振宇实业集团有限公司 | A kind of bubble-free ecological board manufacture craft |
| CN109623975A (en) * | 2019-01-17 | 2019-04-16 | 司米厨柜有限公司 | A kind of solid wood door plate and its processing method |
| 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 |
| CN115476411A (en) * | 2021-05-31 | 2022-12-16 | 万华化学集团股份有限公司 | Method for producing aldehyde-free plywood |
| CN115476411B (en) * | 2021-05-31 | 2023-09-19 | 万华化学集团股份有限公司 | Method for producing aldehyde-free plywood |
| CN114654935A (en) * | 2022-02-18 | 2022-06-24 | 广东天元汇邦新材料股份有限公司 | SPC decorative board and preparation method thereof |
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Application publication date: 20160203 |