CN104942912A - Method for processing high-performance environment-friendly eucalyptus plywood - Google Patents
Method for processing high-performance environment-friendly eucalyptus plywood Download PDFInfo
- Publication number
- CN104942912A CN104942912A CN201510322042.1A CN201510322042A CN104942912A CN 104942912 A CN104942912 A CN 104942912A CN 201510322042 A CN201510322042 A CN 201510322042A CN 104942912 A CN104942912 A CN 104942912A
- Authority
- CN
- China
- Prior art keywords
- veneer
- parts
- veneers
- hot pressing
- cut
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
- B27D1/08—Manufacture of shaped articles; Presses specially designed therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Inorganic Chemistry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention discloses a method for processing high-performance environment-friendly eucalyptus plywood. The method comprises the following steps: (1) airing, wherein veneers are obtained through rotary cutting of eucalyptus and then aired for 10 days; (2) veneer arrangement, wherein the veneer arrangement comprises shearing, veneer splicing and repairing; dried strip-shaped veneers and piece-shaped veneers are shorn into standard veneers and spliced veneers, strip veneers are spliced into a whole veneer; (3) glue mixing: wherein adhesion glue for plywood production is mixed according to preset components and ratio; (4) hot pressing, wherein slabs having undergone gluing and assembly well are firmly glued through preset temperature and preset pressure; (5) final trimming, wherein flag slabs having undergone hot pressing well are cut into standard plates; and (6) sanding, wherein the sanding treatment is performed on the surface of the plywood. According to the technical scheme, the method can overcome the shortcomings of high material cost, short service life and poor safety and poor environmental protection property in the prior art so as to have the advantages of low material cost, long service life and good safety and good environmental protection property.
Description
Technical field
The present invention relates to plank processing technique field, particularly, relate to a kind of processing method of high-performance environment protection type Eucalyptus glued board.
Background technology
Glued board also claims clamping plate, is commonly called as thin central layer.Formed by the veneer of three layers or multilayer one millimeters thick or the hot pressing of thin plate sticker.The advantages such as glued board has that little, the breadth of distortion is large, easy construction, non-warpage, band tensile mechanical performance are good, therefore be widely used in the use of the industrial departments such as Furniture manufacture, interior decoration, residential housing and shipbuilding, railway carriage manufacture, various military project, light industrial goods and packaging.
In recent years, with the fast development of the upstream and downstream industries such as real estate, furniture, architectural engineering, logistics packaging, the demand of market to glued board plate grows to even greater heights, wood processing industry also obtain fast development, the market demand of glued board constantly increases always, and its production technology, product quality also have a distinct increment.
The production of glued board, hot pressing is key procedure, and most producer producing glued board, all uses formaldehyde or carbamide resin, can discharge free formaldehyde gas, there is serious formaldehyde pollution in hot pressing process at present.And due to the problem of production technology level, the glued board of production technical indicator not high enough in wear-resisting, corrosion-resistant, MOR, bonding strength, shock resistance degree etc., can not better meet market demand.
Realizing in process of the present invention, inventor finds at least to exist in prior art the defect such as material cost is high, service life is short and Safety and Environmental Protection is poor.
Summary of the invention
The object of the invention is to, for the problems referred to above, propose a kind of processing method of high-performance environment protection type Eucalyptus glued board, to realize that the cost of material is low, long service life and the good advantage of Safety and Environmental Protection.
For achieving the above object, the technical solution used in the present invention is: a kind of processing method of high-performance environment protection type Eucalyptus glued board, comprising:
(1) dry in the air Sai: after rotary-cut Eucalyptus obtains veneer, airing 10 days;
(2) veneer arranges: veneer arranges and comprises shearing, jigsaw and repairing; Dried banded veneer, zero veneer are cut into specification veneer and sliceable veneer, and striped veneer is through being spliced into whole veneer;
(3) impregnation: by presetting adhesive glue needed for component and proportioning modulation plywood production; The preparation method of this adhesive glue is as follows:
1. by each component of following parts by weight proportioning:
Aqua Folium Camelliae sinensis: 3 parts;
Polyethylene glycol: 4 parts;
Thiocarbamide: 3.8 parts;
Urea liquid: 15 parts;
Modified epoxy: 20 parts;
Polyetheramine: 3.1 parts;
Reactive diluent: 4.2 parts;
Curing agent: 2.6 parts;
2. utilize Aqua Folium Camelliae sinensis, polyethylene glycol, thiocarbamide, urea to prepare compound solution, then admixture enters all the other components, uses the obtained required adhesive glue of glue making machine;
(4) hot pressing: slab good for gluing assembly is glued together securely by preset temperature and preset pressure;
(5) saw limit: the hair plates that hot pressing is good is cut into stock board;
(6) sanding: sanding process is carried out to face veneer.
The processing method of the high-performance environment protection type Eucalyptus glued board of various embodiments of the present invention, owing to comprising: (1) dry in the air Sai: after rotary-cut Eucalyptus obtains veneer, airing 10 days; (2) veneer arranges: veneer arranges and comprises shearing, jigsaw and repairing; Dried banded veneer, zero veneer are cut into specification veneer and sliceable veneer, and striped veneer is through being spliced into whole veneer; (3) impregnation: by presetting adhesive glue needed for component and proportioning modulation plywood production; (4) hot pressing: slab good for gluing assembly is glued together securely by preset temperature and preset pressure; (5) saw limit: the hair plates that hot pressing is good is cut into stock board; (6) sanding: sanding process is carried out to face veneer; Thus the defect that in prior art, material cost is high, service life is short and Safety and Environmental Protection is poor can be overcome, to realize that the cost of material is low, long service life and the good advantage of Safety and Environmental Protection.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from description, or understand by implementing the present invention.
Below by embodiment, technical scheme of the present invention is described in further detail.
Detailed description of the invention
Below the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
Technical scheme of the present invention, can as low formaldehyde environment-friendly type Eucalyptus plywood production technical scheme, integrated production line is transformed, form integrated innovation, concrete technological process comprises: log → block → peeling → center → rotary-cut → shearing → airing → veneer arrangement → central layer gluing → rent base → precompressed → repairing → hot pressing → secondary repairing → plain plate sanding → plain plate gluing → conjunction face → precompressed → repairing → hot pressing → sanding → saw limit → inspection → finished product warehouse-in, in central layer gluing and plain plate gluing process, also comprise glue → impregnation.
In the whole production process of glued board, main technique technology is as follows:
Dry in the air Sai: the Veneer moisture after rotary-cut is very high, must by veneer drying to the requirement meeting gluing technique.
Veneer arranges: veneer arranges and comprises shearing, jigsaw and repairing.Dried banded veneer, zero veneer are cut into specification veneer and sliceable veneer, and striped veneer is through being spliced into whole veneer, and defective whole veneer reaches the quality requirement of technique by repairing.
Impregnation: glue is related to multiple performance indications of glued board, therefore the one-tenth of glue is grouped into proportioning quite important.
Hot pressing: slab good for gluing assembly is glued together securely by uniform temperature and certain pressure.
Saw limit: the hair plates that hot pressing is good is cut into stock board.
Sanding: carry out sanding to face veneer, makes plate face bright and clean attractive in appearance.
Compared with prior art, technical scheme of the present invention, at least has following characteristics:
(1) process innovation
Utilize Aqua Folium Camelliae sinensis (containing Tea Polyphenols), polyethylene glycol, thiocarbamide, urea liquid to improve adhesive as additive after specially treated, effectively control formaldehyde pollution.Face veneer burst size of methanal is studied, utilize certain density Aqua Folium Camelliae sinensis (containing Tea Polyphenols), polyethylene glycol, thiocarbamide, urea by certain volume ratio preparation compound solution, then admixture enters adhesive, glued board burst size of methanal≤the 0.5mg/100g produced, be much higher than national standard, reach international E0 standard.
(2) product structure innovation
Dash board adopts composite structural design, reaches high physical performance index.Adopt the design of composite table plate structure, elasticity is large and be out of shape large problem in wet condition to solve high pressure, high compression rate product.
(3) develop
Through carrying out parameter designing to plate paver and improving, induction system and relevant device are installed, set up control system, realize serialization automated production, can productivity effect be improved, labour and waste of raw materials can be reduced.As calculated, for a set of equipment on production line, what originally needs manually carried out draws offset plate, dry plate, and the operations such as boatswain chair can transfer to machine to complete, and easily align due to during machine bed board, blank flat length dimension reduces 60mm, calculates, cost-saved 7200 yuan of every day by producing 6000 plates every day, the improvement of this technology and equipment can enhance productivity more than 40%, saves wood raw material cost more than 25%.
Technical scheme of the present invention, should be noted during enforcement:
(1) the production energy-saving equipment adopting country to recommend and NC postprocessing equipment, improve equipment automatization level, energy-conservation, the efficient production technology of active adoption.Enhance productivity, with economize energy; In production circuit design, according to optimized design, reduce energy loss.
(2) the heat-transfer oil of equipment recycles, and the heating of production oil should make full use of sheet material resource as far as possible, and factory building adopts the mode with gravity-flow ventilation and daylighting, with economize energy.
Technical scheme of the present invention, the measure in environmental protection is as follows:
(1) Sources of Pollution: capital equipment all adopts comparatively advanced, ripe, reliable equipment, has higher environmental index.Primary pollution source and pollutant comprise waste gas, dust, noise, solid waste, boiler smoke and sanitary sewage.
Waste gas, mainly from hot pressing process, mainly containing free formaldehyde.Dust, mainly from the hot press in production process, Sawing machine and sander.Noise, the slab slasher mainly in apparatus for production line; In length and breadth to Sawing machine, sander etc., its noise grade is 85 ~ 110dB(A).Solid waste, mainly contains the glued board leftover pieces, boiler slag and the house refuse that produce in production process.Boiler smoke, the boiler smoke that coal-burning boiler produces.
(2) pollution control measure
Waste gas.Waste gas is free formaldehyde mainly.Technology waste gas is collected by pipeline, through mode qualified discharges such as absorption burnings.
Dust.The original concentration of dust reaches 3234mg/m
3, use sack cleaner process.Sack cleaner is reliable, efficiency of dust collection is high, almost can trap most grit of more than 0.1um, can more than 99% be reached to the grit arresting efficiency of more than 0.5um, belong to high-effective dust-removing equipment, compared with electric cleaner, its structure is simple, technical requirement and operational management do not have electric cleaner complicated, and price is also lower, therefore adopt sack cleaner to be feasible technically, economically.
Noise.Main noise equipment is slab slasher, briar, edging and trimming saw, sander etc., and its noise grade is 85-110dB(A), by wall and the sound-absorbing process of local, roof.
Solid waste.The glued board leftover bits and pieces produced in production process, export trade can be used as fuel; Boiler slag can be used as brickmaking or paves the way; House refuse send station, urban sanitation to focus on.
Boiler smoke.Be equipped with 1 water desulfurizing-dusting device, boiler waste gas after treatment, reaches " emission standard of air pollutants for boilers ".
Sewage is sanitary sewage mainly.Sanitary sewage is qualified discharge after septic tank process.
Plant area's draining is rainwater and sewage separation, and rainwater is in an organized way discharged in off-site gutter, and sanitary sewage enters drainage pipeline networks, and wherein fecal sewage is after septic tank precipitation, then discharges.
Greening: plant area's greening is one of important measures of environmental protection, the important symbol of Ye Shi factory civilization construction is indispensable part in plant location programming design.To make full use of plant area's condition, and match good seeds and plant, afforest around workshop, transformation production environment beautifies plant area, promotes production development.
Technical scheme of the present invention is when implementing, and in safety in production, " Safety first, precaution crucial " is the principle that company follows.Main occupational protection factor is, electric equipment safety utilization of electric power, free formaldehyde, noise and dust etc., will pay special attention to security against fire, Fire Hazard Area in production and operation.
The enforcement of technical solution of the present invention, can effectively Promote Forestry deep processing, saves forest resourceies, promotes Agricultural Industrialization Development; For promoting enterprise innovation, increase the performance of enterprises, promote that the lifting of glued board industry technology level and the common development of vertical industry chain have important meaning.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (1)
1. a processing method for high-performance environment protection type Eucalyptus glued board, is characterized in that, comprising:
(1) dry in the air Sai: after rotary-cut Eucalyptus obtains veneer, airing 10 days;
(2) veneer arranges: veneer arranges and comprises shearing, jigsaw and repairing; Dried banded veneer, zero veneer are cut into specification veneer and sliceable veneer, and striped veneer is through being spliced into whole veneer;
(3) impregnation: by presetting adhesive glue needed for component and proportioning modulation plywood production; The preparation method of this adhesive glue is as follows:
1. by each component of following parts by weight proportioning:
Aqua Folium Camelliae sinensis: 3 parts;
Polyethylene glycol: 4 parts;
Thiocarbamide: 3.8 parts;
Urea liquid: 15 parts;
Modified epoxy: 20 parts;
Polyetheramine: 3.1 parts;
Reactive diluent: 4.2 parts;
Curing agent: 2.6 parts;
2. utilize Aqua Folium Camelliae sinensis, polyethylene glycol, thiocarbamide, urea to prepare compound solution, then admixture enters all the other components, uses the obtained required adhesive glue of glue making machine;
(4) hot pressing: slab good for gluing assembly is glued together securely by preset temperature and preset pressure;
(5) saw limit: the hair plates that hot pressing is good is cut into stock board;
(6) sanding: sanding process is carried out to face veneer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510322042.1A CN104942912A (en) | 2015-06-12 | 2015-06-12 | Method for processing high-performance environment-friendly eucalyptus plywood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510322042.1A CN104942912A (en) | 2015-06-12 | 2015-06-12 | Method for processing high-performance environment-friendly eucalyptus plywood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104942912A true CN104942912A (en) | 2015-09-30 |
Family
ID=54158234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510322042.1A Pending CN104942912A (en) | 2015-06-12 | 2015-06-12 | Method for processing high-performance environment-friendly eucalyptus plywood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104942912A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107932652A (en) * | 2017-11-28 | 2018-04-20 | 黄桂凤 | A kind of preparation method of environment-friendly plywood |
| CN113601628A (en) * | 2021-07-02 | 2021-11-05 | 景谷慧通木业有限责任公司 | Process for producing plywood by using small crushed veneers |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1508206A (en) * | 2002-12-16 | 2004-06-30 | 长岭县宏达木星胶粘剂厂 | Special adhesive for formaldehyde-free glued board |
| CN1792578A (en) * | 2005-10-26 | 2006-06-28 | 哈尔滨市香坊区人造板胶粘剂研究所 | Method for producing plywood with glueing on one side and plywood mould |
| CN2837430Y (en) * | 2005-07-01 | 2006-11-15 | 闵昭蜀 | assembling plywood |
| CN1887541A (en) * | 2006-07-25 | 2007-01-03 | 茂友木材工业（浙江）有限公司 | Plywood for bottom plate of container and its production process |
| CN101513744A (en) * | 2009-03-12 | 2009-08-26 | 山东新港企业集团有限公司 | Aldehyde-free environment-friendly flame-retardant plywood and a preparation method thereof |
| CN103009443A (en) * | 2012-12-07 | 2013-04-03 | 徐州江恒木业有限公司 | Preparation method of light-weight plywood |
-
2015
- 2015-06-12 CN CN201510322042.1A patent/CN104942912A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1508206A (en) * | 2002-12-16 | 2004-06-30 | 长岭县宏达木星胶粘剂厂 | Special adhesive for formaldehyde-free glued board |
| CN2837430Y (en) * | 2005-07-01 | 2006-11-15 | 闵昭蜀 | assembling plywood |
| CN1792578A (en) * | 2005-10-26 | 2006-06-28 | 哈尔滨市香坊区人造板胶粘剂研究所 | Method for producing plywood with glueing on one side and plywood mould |
| CN1887541A (en) * | 2006-07-25 | 2007-01-03 | 茂友木材工业（浙江）有限公司 | Plywood for bottom plate of container and its production process |
| CN101513744A (en) * | 2009-03-12 | 2009-08-26 | 山东新港企业集团有限公司 | Aldehyde-free environment-friendly flame-retardant plywood and a preparation method thereof |
| CN103009443A (en) * | 2012-12-07 | 2013-04-03 | 徐州江恒木业有限公司 | Preparation method of light-weight plywood |
Non-Patent Citations (2)
| Title |
|---|
| 周定国主编: "《人造板工艺学》", 30 June 2011, 中国林业出版社 * |
| 王金权: "胶合板甲醛污染控制关键技术研究", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107932652A (en) * | 2017-11-28 | 2018-04-20 | 黄桂凤 | A kind of preparation method of environment-friendly plywood |
| CN113601628A (en) * | 2021-07-02 | 2021-11-05 | 景谷慧通木业有限责任公司 | Process for producing plywood by using small crushed veneers |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101664952B (en) | Manufacturing method of bamboo-Chinese fir composite plate | |
| CN102632536B (en) | Processing method of diatomite wood-based fiberboard | |
| CN105538426A (en) | Method for preparing building and packing templates with waste building templates as raw materials | |
| CN103538125B (en) | A kind of veneer of formaldehyde-free wood-plastic composite board pastes technique soon | |
| CN104416628A (en) | Method for manufacturing solid wood board by using waste wood | |
| CN104942912A (en) | Method for processing high-performance environment-friendly eucalyptus plywood | |
| CN100553909C (en) | The manufacture method of spruce laminated layer materials | |
| CN103737695B (en) | A kind of wood-fibred advanced composite material manufacture method | |
| CN104942907A (en) | Method for preparing high-performance environment-friendly eucalyptus plywood | |
| CN104942910A (en) | Method for manufacturing high-performance environment-friendly eucalyptus plywood | |
| CN102351466A (en) | Waterproof fireproof zero-carbon ecological sheet material manufactured from waste electric circuit board powder | |
| CN103406972A (en) | Banana stalk scrimber and manufacturing method thereof | |
| CN104669395A (en) | Manufacture method of low-density fiberboard | |
| CN104942911A (en) | Method for manufacturing high-performance environment-friendly eucalyptus plywood | |
| CN104960042A (en) | Method for producing high-performance environment-friendly eucalyptus plywood | |
| CN106393386B (en) | Bamboo, paper-making solid waste artificial board containing fiber and plastic and manufacturing process thereof | |
| CN108330728B (en) | method for manufacturing fireproof plate by using straws and coal ash | |
| CN201195330Y (en) | Chinese fir thin board laminated material | |
| CN108000672A (en) | A kind of wood leftover material recycling technique | |
| CN103361015B (en) | Composite urea-formaldehyde glue composition and application method thereof | |
| CN100569465C (en) | The manufacture method of the thin saw of a kind of China fir plate laminated material | |
| CN107303745A (en) | Clad can fibrilia/polypropylene composite board | |
| CN101332613A (en) | Preparation method of surface backplate | |
| CN201220441Y (en) | Composite laminate of bamboo-wood sheet | |
| CN104942902A (en) | Method for manufacturing environment-friendly eucalyptus plywood |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150930 |