CN103406950A - Anti-exposure eucalyptus laminated wood veneer and production method thereof - Google Patents
Anti-exposure eucalyptus laminated wood veneer and production method thereof Download PDFInfo
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- CN103406950A CN103406950A CN2013103532763A CN201310353276A CN103406950A CN 103406950 A CN103406950 A CN 103406950A CN 2013103532763 A CN2013103532763 A CN 2013103532763A CN 201310353276 A CN201310353276 A CN 201310353276A CN 103406950 A CN103406950 A CN 103406950A
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Abstract
The invention provides a production method of an anti-exposure eucalyptus laminated wood veneer. The artificial board is composed of a base material, softwood and melamine impregnated paper or aluminum oxide abrasion-resistant paper, wherein the base material is formed by bonding 3-15 layers of eucalyptus veneers through adhesives, the softwood is bonded on two sides of the base material, and the melamine impregnated paper or the aluminum oxide abrasion-resistant paper is pasted onto the surface of the softwood. The production method comprises the steps of veneer sorting, gluing, cold pressing, hot pressing, stacking maintenance, pasting of the softwood and pasting of the melamine impregnated paper or the aluminum oxide abrasion-resistant paper. The production method is characterized in that the base material is produced through three times of cold pressing and hot pressing, two times of thermostatic chamber standing maintenance and cooling maintenance processes; and the softwood is pasted onto the two sides of the base material. The anti-exposure eucalyptus laminated wood veneer is used for manufacturing furniture or wood floors and has the advantage that the wood veneer does not bulge and deform after exposed for a long time.
Description
Technical field
The present invention relates to a kind of wood-based plate and production method thereof, particularly a kind of insolation proof Eucalyptus lamination decoration panel and production method thereof.
Background technology
Eucalyptus is the general designation that Myrtaceae Myrtaceae eucalyptus belongs to the Eucalyptus plant, and the eucalyptus strong adaptability, also can grow in dead soil, and fast growth, and nursing cost is low, so cultivated area increases year by year.Eucalyptus Wood is red, glossy, without special odor, texture is staggered, structure is close, material is firmly heavy, flexible.Level larger eucalyptus in footpath is by being peeled into veneer, as central layer, produce glued board or laminated veneer lumber, and small diameter grade, brush wood or the eucalyptus that is difficult to rotary-cut are processed into wood chip, for papermaking or producd fibers plate, so the comprehensive utilization ratio of eucalyptus can be increased to more than 90%.China had successfully developed high-performance Eucalyptus recombinant material, Eucalyptus laminated veneer lumber, bamboo eucalyptus composite, thick core eucalyptus composite plate made from solid wood and without aldehyde Eucalyptus plywood making technology etc., Eucalyptus is more and more universal in the application of wood-based plate in recent years.
The Eucalyptus structure is close, material is hard, and the Eucalyptus laminated veneer lumber of making is due to effect of stress, and the effect of expanding with heat and contract with cold, plays the drum distortion at easily layering.When particularly direct sunlight was on the Eucalyptus laminated veneer lumber, the upper strata temperature was higher than lower floor temperature, and the temperature that laminated timber is every layer is all inconsistent, the degree varies sample expanded with heat and contract with cold, and distortion is very easy to come unstuck.The way addressed this problem mainly contains at present and improves the unit are resin added, and to increase the bonding strength of glued board, but resin added increases, and burst size of methanal also can increase, grievous injury consumer's health.
Summary of the invention
The purpose of this invention is to provide a kind of insolation proof Eucalyptus lamination decoration panel, can be exposed to the sun for a long time and not delamination distortion and have deadening, the present invention discloses the production method of this insolation proof Eucalyptus lamination decoration panel equally, by disclosed production method, in the situation that do not increase the unit are resin added, improve the bonding strength of glued board.
Technical scheme of the present invention is as follows:
Insolation proof Eucalyptus lamination decoration panel, compress by lamination after being coated with adhesive base material and base material both-sided adhesive cork and cork surface laminating melamine impregnated paper or the alundum (Al2O3) abrasion-proof paper formed by 3～15 layers of Eucalyptus veneer.
In the production process of base material, adopt cold pressing for three times, three hot pressing, twice standing health of thermostatic chamber overcome bulging phenomenon with the method for heat radiation health.Concrete production technology is as follows:
Manually select Eucalyptus veneer of the same size, coat adhesive, resin added is generally 200～300g/m
2, assembly (3～15 layers), cold pressing for the first time, and temperature is normal temperature, and pressure is 1.5～2MPa, hot pressing for the first time, temperature is 115～120 ℃, pressure is 2～3MPa; 60～80 ℃ of standing healths of thermostatic chamber 5～8 hours, the naturally ventilated cooling of thermostatic chamber, heat radiation health 3～4h; Cold pressing for the second time, temperature is normal temperature, and pressure is 1.5～2MPa, hot pressing for the second time, and temperature is 110～115 ℃, pressure is 2～3MPa; The standing health of thermostatic chamber for the second time, thermostatic chamber temperature are 60～80 ℃, time 90～120min, the naturally ventilated cooling of thermostatic chamber, heat radiation health 3～4h; Cold pressing for the third time, temperature is normal temperature, and pressure is 1.5～2MPa, hot pressing for the third time, temperature are 120～125 ℃, and pressure is 2～3MPa, fixed thick with coarse sand and fine sandpaper polishing, stick cork, the temperature of laminating is 100～110 ℃, pressure is 0.8～1.0Mpa, and the polishing cork sticks melamine impregnated paper or alundum (Al2O3) abrasion-proof paper above cork, hot pressing, temperature are 120～160 ℃, and pressure is 1.5～2.0Mpa, heat radiation arranges, and beats limit, obtains insolation proof Eucalyptus lamination decoration panel.
Described adhesive is common urea-formaldehyde resin adhesive, on market, buys and gets final product, without the special adhesive of special use.
Good effect of the present invention is:
1. the insolation proof Eucalyptus lamination decoration panel of the present invention cork of fitting on the Eucalyptus base material, have good heat insulation, deadening, even the decoration panel of making is exposed to the sun for a long time, the temperature difference of cork internal layer base material is not very large, expand with heat and contract with cold not obvious, therefore avoided decoration panel to be exposed to the sun and a drum distortion.
Insolation proof Eucalyptus lamination decoration panel of the present invention adopt in process of production cold pressing for three times, three hot pressing, twice standing health of thermostatic chamber and twice heat radiation craft; in production process, formaldehyde residual in common urea-formaldehyde resin adhesive can be discharged (production process strengthens the blowing amount or adopts the negative pressure exhausting to get final product); therefore the residual formaldehyde of finished product is low; burst size of methanal reduces naturally, has greatly protected consumer's health.
3. colding pressing repeatedly, hot pressing, the standing health of thermostatic chamber and heat radiation health can overcome the resilience of Eucalyptus base material to insolation proof Eucalyptus lamination decoration panel of the present invention in process of production, finished size stability is high, reduced the possibility that finished product in use plays drum, is out of shape, the cork layer can be according to market situation, laminating melamine impregnated paper or alundum (Al2O3) abrasion-proof paper, produce top-grade furniture by wood-based plate or high-grade timber floor, flexibility is large.
The specific embodiment
Embodiment 1
Manually select Eucalyptus veneer of the same size, coat urea-formaldehyde resin adhesive, resin added is 300g/ ㎡, and 5 layers of assemblies, cold pressing for the first time, and temperature is normal temperature, and pressure is 1.5MPa, hot pressing for the first time, and temperature is 115～120 ℃, pressure is 2MPa; 60～80 ℃ of standing healths of thermostatic chamber 5～8 hours; The naturally ventilated cooling of thermostatic chamber, heat radiation health 3～4h; Cold pressing for the second time, temperature is normal temperature, and pressure is 1.5MPa, hot pressing for the second time, and temperature is 110～115 ℃, pressure is 2MPa; The standing health of thermostatic chamber for the second time, thermostatic chamber temperature are 60～80 ℃, time 90～120min, the naturally ventilated cooling of thermostatic chamber, heat radiation health 3～4h; Cold pressing for the third time, temperature is normal temperature, and pressure is 1.5MPa, hot pressing for the third time, temperature is 120～125 ℃, and pressure is 2MPa, fixed thick with coarse sand and fine sandpaper polishing, paste cork, the temperature of laminating is 100～120 ℃, and pressure is 0.8～1.0Mpa, polishing cork surface, paste melamine paper on the cork face, hot pressing, temperature is 120～160 ℃, and pressure is 1.0MPa, and heat radiation arranges, beat limit, obtain insolation proof Eucalyptus lamination decoration panel, can be used for the manufacture of furniture.
Embodiment 2
Manually select Eucalyptus veneer of the same size, coat the urea-formaldehyde resin adhesive of buying on market, resin added is 250g/ ㎡, and 9 layers of assemblies, cold pressing for the first time, and temperature is normal temperature, and pressure is 1.8MPa, hot pressing for the first time, and temperature is 115～120 ℃, pressure is 2.5MPa; 60～80 ℃ of standing healths of thermostatic chamber 5～8 hours; The naturally ventilated cooling of thermostatic chamber, heat radiation health 3～4h; Cold pressing for the second time, temperature is normal temperature, and pressure is 1.8MPa, hot pressing for the second time, and temperature is 110～115 ℃, pressure is 2.5MPa; The standing health of thermostatic chamber for the second time, thermostatic chamber temperature are 60～80 ℃, time 90～120min, the naturally ventilated cooling of thermostatic chamber, heat radiation health 3～4h; Cold pressing for the third time, temperature is normal temperature, and pressure is 1.8MPa, hot pressing for the third time, temperature is 120～125 ℃, and pressure is 2.5MPa, fixed thick with coarse sand and fine sandpaper polishing, paste cork, the temperature of laminating is 100～120 ℃, and pressure is 0.8～1.0Mpa, polishing cork surface, paste alundum (Al2O3) abrasion-proof paper, hot pressing on the cork face, temperature is 120～160 ℃, and pressure is 1.5MPa, and heat radiation arranges, beat limit, obtain insolation proof Eucalyptus lamination decoration panel, for the production of timber floor.
Embodiment 3
Manually select Eucalyptus veneer of the same size, coat the urea-formaldehyde resin adhesive of buying on market, resin added is 200g/ ㎡, and 15 layers of assemblies, cold pressing for the first time, and temperature is normal temperature, and pressure is 2.0MPa, hot pressing for the first time, and temperature is 115～120 ℃, pressure is 3MPa; 60～80 ℃ of standing healths of thermostatic chamber 5～8 hours; The naturally ventilated cooling of thermostatic chamber, heat radiation health 3～4h; Cold pressing for the second time, temperature is normal temperature, and pressure is 2.0MPa, hot pressing for the second time, and temperature is 110～115 ℃, pressure is 3MPa; The standing health of thermostatic chamber for the second time, thermostatic chamber temperature are 60～80 ℃, time 90～120min, the naturally ventilated cooling of thermostatic chamber, heat radiation health 3～4h; Cold pressing for the third time, temperature is normal temperature, and pressure is 2.0MPa, hot pressing for the third time, temperature is 120～125 ℃, and pressure is 3MPa, fixed thick with coarse sand and fine sandpaper polishing, paste cork, the temperature of laminating is 100～120 ℃, and pressure is 0.8～1.0Mpa, polishing cork surface, paste melamine paper on the cork face, hot pressing, temperature is 120～160 ℃, and pressure is 1.5MPa, and heat radiation arranges, beat limit, obtain insolation proof Eucalyptus lamination decoration panel, can be used for the manufacture of furniture.
The comparative example 1
Manually select Eucalyptus veneer of the same size, coat the urea-formaldehyde resin adhesive of buying on market, resin added is 300g/ ㎡, and assembly (11 layers), cold pressing, and temperature is normal temperature, and pressure is 2MPa, hot pressing, and temperature is 120～125 ℃, pressure is 3MPa; 60～80 ℃ of standing healths of thermostatic chamber 5～8 hours, the naturally ventilated cooling of thermostatic chamber, heat radiation health 3～4h; Fixed thick with coarse sand and fine sandpaper polishing, paste cork, the temperature of laminating is 100～120 ℃, pressure is 0.8～1.0Mpa, polishing cork surface, paste melamine paper on the cork face, hot pressing, temperature is 120～160 ℃, pressure is 1.5MPa, and heat radiation arranges, and beats limit, obtain insolation proof Eucalyptus lamination decoration panel, can be used for the manufacture of common wealth furniture.
The comparative example 2
Manually select Eucalyptus veneer of the same size, coat the urea-formaldehyde resin adhesive of buying on market, resin added is 300g/ ㎡, assembly (7 layers), cold pressing for the first time, temperature is normal temperature, and pressure is 2.0MPa, hot pressing for the first time, temperature are 115～120 ℃, and pressure is 3.0MPa; 60～80 ℃ of standing healths of thermostatic chamber 5～8 hours, the naturally ventilated cooling of thermostatic chamber, heat radiation health 3～4h; Cold pressing for the second time, temperature is normal temperature, and pressure is 2.0MPa, hot pressing for the second time, and temperature is 110～115 ℃, pressure is 3.0MPa; The standing health of thermostatic chamber for the second time, thermostatic chamber temperature are 60～80 ℃, time 90～120min, the naturally ventilated cooling of thermostatic chamber, heat radiation health 3～4h; Fixed thick with coarse sand and fine sandpaper polishing, paste cork, the temperature of laminating is 100～120 ℃, pressure is 0.8～1.0Mpa, polishing cork surface, paste melamine paper on the cork face, hot pressing, temperature is 120～160 ℃, pressure is 1.5MPa, and heat radiation arranges, and beats limit, obtain insolation proof Eucalyptus lamination decoration panel, can be used for the manufacture of common wealth furniture.
The comparative example 3
Manually select Eucalyptus veneer of the same size, coat the glutinous agent of urea-formaldehyde glue, resin added is 200g/ ㎡, and 13 layers of assemblies, cold pressing for the first time, and temperature is normal temperature, and pressure is 2.0MPa, hot pressing for the first time, and temperature is 115～120 ℃, pressure is 3MPa; 60～80 ℃ of standing healths of thermostatic chamber 5～8 hours; The naturally ventilated cooling of thermostatic chamber, heat radiation health 3～4h; Cold pressing for the second time, temperature is normal temperature, and pressure is 2.0MPa, hot pressing for the second time, and temperature is 110～115 ℃, pressure is 3MPa; The standing health of thermostatic chamber for the second time, thermostatic chamber temperature are 60～80 ℃, time 90～120min, the naturally ventilated cooling of thermostatic chamber, heat radiation health 3～4h; Cold pressing for the third time, temperature is normal temperature, and pressure is 2.0MPa, hot pressing for the third time, temperature are 120～125 ℃, and pressure is 3MPa, fixed thick with coarse sand and fine sandpaper polishing, paste melamine paper, hot pressing, temperature is 120～160 ℃, pressure is 1.5MPa, and heat radiation arranges, and beats limit, obtain Eucalyptus lamination decoration panel, can be used for the manufacture of furniture.
According to GB18580-2001 " in indoor decorating and refurnishing materials wood-based plate and goods thereof, burst size of methanal is limited the quantity of ", the burst size of methanal of products obtained therefrom in embodiment is measured; According to GB/T9846---the method detected in 2004 " glued boards " is measured the bonding strength of embodiment products obtained therefrom; The mensuration that plays the drum phenomenon of wood-based plate adopts water-boiling method, namely wood-based plate is cut out to the length for 80cm() * 30cm(is wide) specification, the thermostatted water of putting into 80 ℃ soaks, record wood-based plate and play the drum time used, the time is longer, illustrates that the quality of wood-based plate is better, under normal condition is used, more difficult drum.Wood-based plate is cut out and to be grown for 80cm() * 30cm(is wide) specification, the 500W tengsten lamp is placed at high 30cm place, sheet material center, with the 500W tengsten lamp, shone sheet material 2 hours, with slide measure, measure forward and backward length L 1 and the L2 of sheet material illumination, the deflection of sheet material after manually being exposed to the sun is (L2-L1)/L1 * 100%.Each product detects three times, and data are averaged, and every testing result is as shown in the table:
It can be seen from the table, by the cork of fitting, can improve the dimensional stability of wood-based plate on the Eucalyptus base material, even be exposed to the sun for a long time, the deflection of wood-based plate is in 1%, and therefore Eucalyptus lamination decoration panel of the present invention has good insolation proof function.From data and the production technology of upper table, find out, by adopting, cold pressing for three times, three hot pressing, twice standing health of thermostatic chamber and twice heat radiation craft, can improve the bonding strength of wood-based plate, and then improve the dimensional stability of wood-based plate, and can reduce the burst size of methanal of finished product.
Claims (3)
1. insolation proof Eucalyptus lamination decoration panel, it is characterized in that, its composition comprises: by 3～15 layers of Eucalyptus veneer by the urea-formaldehyde resin adhesive of buying on market after lamination the compression base material and base material both-sided adhesive cork and cork surface laminating melamine impregnated paper or the alundum (Al2O3) abrasion-proof paper that form.
2. the production method of insolation proof Eucalyptus lamination decoration panel as claimed in claim 1, comprise veneer sorting, gluing, cold pressing, hot pressing, stacking health, paste cork and paste melamine gum dipped paper step, it is characterized in that: the manufacture of base material is adopted and is colded pressing and three hot pressing for three times, twice standing health of thermostatic chamber and twice heat radiation health; The described temperature of colding pressing is room temperature, and pressure is 1.0～1.5MPa, and hot pressing pressure is 2～3MPa; The temperature of hot pressing for the first time is 115～120 ℃; The temperature of hot pressing for the second time is 110～115 ℃, and the temperature of hot pressing for the third time is 120～125 ℃; The standing health temperature of described thermostatic chamber is 60～80 ℃, and the time is 5～8h; Described heat radiation health is that the thermostatic chamber gravity-flow ventilation is cooled to room temperature, and the time is 3～4h; On substrate surface, pasting cork is at 100～120 ℃, and pressure is to carry out under 0.8～1.0Mpa; Cork surface label melamine impregnated paper or alundum (Al2O3) abrasion-proof paper are at 120～160 ℃, and pressure is to carry out under 1.5～2.0Mpa.
3. the production method of insolation proof Eucalyptus lamination decoration panel as claimed in claim 1 is characterized in that: described gluing is to adopt the urea-formaldehyde resin adhesive of buying on market.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104097240A (en) * | 2014-06-27 | 2014-10-15 | 佛山市高明万明水松产业有限公司 | Timber decoration material and preparing method thereof |
| CN104354195A (en) * | 2014-11-12 | 2015-02-18 | 广西鹿寨北林胶合板有限公司 | Method for producing wood floor by using lignin adhesive |
| CN104441104A (en) * | 2014-11-12 | 2015-03-25 | 广西南宁绿园北林木业有限公司 | Method for producing cabinet board through lignin adhesives |
| CN105014766A (en) * | 2015-07-12 | 2015-11-04 | 北华大学 | Floor surface board and manufacturing method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2717721Y (en) * | 2004-07-27 | 2005-08-17 | 张放射 | Soft wood composite wall board |
| CN202810119U (en) * | 2012-09-19 | 2013-03-20 | 杭州佰孚行建材有限公司 | Special environment-friendly solid wood composite floor board for ground heating |
-
2013
- 2013-08-14 CN CN201310353276.3A patent/CN103406950B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2717721Y (en) * | 2004-07-27 | 2005-08-17 | 张放射 | Soft wood composite wall board |
| CN202810119U (en) * | 2012-09-19 | 2013-03-20 | 杭州佰孚行建材有限公司 | Special environment-friendly solid wood composite floor board for ground heating |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104097240A (en) * | 2014-06-27 | 2014-10-15 | 佛山市高明万明水松产业有限公司 | Timber decoration material and preparing method thereof |
| CN104354195A (en) * | 2014-11-12 | 2015-02-18 | 广西鹿寨北林胶合板有限公司 | Method for producing wood floor by using lignin adhesive |
| CN104441104A (en) * | 2014-11-12 | 2015-03-25 | 广西南宁绿园北林木业有限公司 | Method for producing cabinet board through lignin adhesives |
| CN104441104B (en) * | 2014-11-12 | 2016-09-07 | 广西南宁绿园北林木业有限公司 | Use the method that lignin adhesive produces cabinet plate |
| CN105014766A (en) * | 2015-07-12 | 2015-11-04 | 北华大学 | Floor surface board and manufacturing method thereof |
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| CN103406950B (en) | 2015-05-06 |
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Address after: 530300 the Guangxi Zhuang Autonomous Region Nanning Hengxian City Heng Zhou Zhen Cha Jiang Road No. 121 Patentee after: Guangxi Luzhai Beilin Plywood Co., Ltd. Address before: 545600 west the Guangxi Zhuang Autonomous Region Luzhai County of Liuzhou City, built in 61 Patentee before: Guangxi Luzhai Beilin Plywood Co., Ltd. |
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Effective date of registration: 20201009 Address after: 530300 the Guangxi Zhuang Autonomous Region Nanning Hengxian City Heng Zhou Zhen Cha Jiang Road No. 121 Patentee after: Mo Mingxin Address before: 530300 the Guangxi Zhuang Autonomous Region Nanning Hengxian City Heng Zhou Zhen Cha Jiang Road No. 121 Patentee before: GUANGXI LUZHAI BEILIN PLYWOOD Co.,Ltd. |