CN101653958A - Composite board sectional material of corn stalk and veneer and manufacturing method thereof - Google Patents
Composite board sectional material of corn stalk and veneer and manufacturing method thereof Download PDFInfo
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- CN101653958A CN101653958A CN200810147092A CN200810147092A CN101653958A CN 101653958 A CN101653958 A CN 101653958A CN 200810147092 A CN200810147092 A CN 200810147092A CN 200810147092 A CN200810147092 A CN 200810147092A CN 101653958 A CN101653958 A CN 101653958A
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- maize straw
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Abstract
The invention discloses a composite board sectional material of corn stalk and veneer and a manufacturing method thereof. The manufacturing method comprises the following steps: removing leaves from the corn stalks, flatly pressing, polishing and cutting the corn stalks, and breaking the surfaces of the corn stalks with standard of 5 centimeters to form a semi-finished product of the corn stalks for manufacturing the composite board; and rolling the semi-finished product of the corn stalks on glue, putting the semi-finished product on a bottom board of the veneer through equipment, using the veneer to cover the bottom board after reaching a certain thickness, and thermally pressing the whole to form the composite board sectional material at a certain temperature. The composite board manufactured by adopting the method can save large amount of timber, can be used as an appointed raw material for the packing box industry, and meanwhile can be used for building materials, decorative materials and the like.
Description
Technical field
The present invention relates to that a kind of what be used for packing case or decorative panel for building is the manufacture method of the composite board sectional material of raw material with maize straw and wooden skin.
Technical background
The timber wood-based plate that comprises particieboard and fiberboard all is to be raw material with timber, although can utilize the timber leftover pieces, improves the utilization rate of timber, finally is to keep its production to consume timber.Along with the shortage of the worldwide forest reserves, the production of timber wood-based plate certainly will be restricted.Yet interior decoration and furniture manufacturing industry etc. increase year by year to the demand of wood-based plate.Corn is the main variety of crops of northern China, a large amount of stalk of annual generation.These stalks were the main fuels in rural area in the past, and along with development of rural economy, great change has taken place the energy resource structure in rural area, and the peasant is a main fuel with the agricultural crop straw no longer, but behind harvest corn the on-site incineration stalk.So not only causing serious atmosphere pollution, and influence the traffic normal operation, now all is to adopt the method for coersion and command to forbid peasant's crop straw burning.Find rational outlet to stalk, can not only improve the straw utilization rate, degree can also alleviate air pollution.Therefore it is very necessary to produce wood-based plate with the maize straw replacing wood.
At present the wooden shavings plate is adhesive with the Lauxite mostly, though some product can reach the requirement of category-A environment-friendly type shaving board, wherein still contains harmful substances such as formaldehyde, still has potential threat to resident's health of human body in indoor use.Make artificial composite plank with maize straw, if continue to use urea-formaldehyde resin adhesive, product still has the high possibility of burst size of methanal.So substitute urea-formaldehyde resin adhesive with novel adhesive, it is also very necessary to produce zero formaldehyde or low formaldehyde agricultural crop straw wood-based plate.
Summary of the invention
The invention provides and a kind ofly make the method for composite board sectional material and maize straw and the wooden skin composite board sectional material of making according to this method, advantage such as the composite board sectional material of manufacturing has the intensity height, expansion rate of water absorption is low and free formaldehyde is very low with maize straw and wooden leather.
The technical solution used in the present invention is: comprise following processing step:
(1) maize straw material treatment process,
By plant equipment the maize straw raw material is cut into the section of 800-1200 millimeter, remove the maize straw leaf, the maize straw section is flattened, breaking on the maize straw surface is spaced apart 5 millimeters opening and forms the maize straw raw material;
(2) maize straw gluing treatment process,
The isophenol aldehyde adhesive is sprayed to the surface of stalk under certain pressure, form adhesive film on the stalk surface;
(3) composite plate forming processes technology,
The ground floor that wooden skin base plate is laid on pressurized equipment is touched and is pulled, anyhow the maize straw section that the lay that overlaps on the wood skin base plate is handled through gluing forms the maize straw layer, on the maize straw layer, lay wooden skin cover plate, the placement second layer is touched and is pulled on the wood skin cover plate, adopts heat pressing process with described maize straw and the moulding of wooden skin composite board sectional material;
(4) aftertreatment technology,
Saw limit scale, each surface of polishing described maize straw and wooden skin composite board sectional material at last with sander with sawing machine according to book size 1220mm * 2440-4880mm.
In one aspect of the invention, wherein spraying the used pressure of described adhesive is 0.35-0.60Mpa.
In another aspect of this invention, the thickness of wherein said composite board sectional material according to the maize straw section anyhow the lay amount adjust.
In still another aspect of the invention, wherein adopt heat pressing process molded composite board section bar temperature 80-120 ℃, hot pressing pressure is 2.0Mpa-3.5Mpa, and hot pressing time is 15m-35 second.
Description of drawings
Fig. 1 is maize straw and a wooden skin composite plate structure schematic diagram made according to the method for the present invention.
Table 1 is the maize straw made according to the method for the present invention and the main performance of wooden skin composite plate.
Concrete enforcement
The maize straw material treatment process,
Ripe after autumn maize straw is cut into the section of 800-1200 millimeter by plant equipment, and Ex-all maize straw leaf flattens the maize straw section, breaks to be spaced apart 5 millimeters opening and to form the maize straw raw material on the maize straw surface;
Maize straw gluing treatment process,
The isophenol aldehyde adhesive is sprayed to the surface of stalk under 0.35-0.60Mpa pressure, form adhesive film on the stalk surface;
Composite plate forming processes technology,
Wooden skin base plate is laid on ground floor touches and pull, the maize straw section that the lay that overlaps anyhow on the wooden skin base plate is handled through gluing forms the maize straw layer.After the lay certain thickness, on the maize straw layer, lay wooden skin cover plate, place the second layer on the wooden skin cover plate again and touch and pull.Adopt temperature 80-120 ℃, hot pressing pressure be 5-6Mpa,
The performance of table 18 millimeters thick maize straws wood dermatotome material
| Project | Numerical value | The standard gauge definite value |
| Density (g/cm3) | ??0.72 | ??0.4-0.9 |
| Water content (%) | ??9.0 | ??4.0-13.0 |
| MOR (MPa) | ??18.4 | ??≥14.0 |
| The elasticity of flexure amount of touching (MPa) | ??2310 | ??≥1800 |
| Inner structure intensity (MPa) | ??0.73 | ??≥0.40 |
| Surface bonding strength (MPa) | ??1.84 | ??≥0.80 |
| 2h thickness swelling rate (%) | ??3.1 | ??≤8.0 |
| The vertical panel face is held screw power (N) | Equal with timber | |
| Burst size of methanal (mg/100g) E1 | ??1.2 | ??≤9.0 |
Hot pressing time be the heat pressing process of 15-35 second with maize straw and the moulding of wooden skin composite board sectional material, and form composite board sectional material with wooden skin base plate, maize straw layer and wooden skin cover plate three-decker.The thickness of wooden here skin base plate and wooden skin cover plate is generally at 1.5-2mm, and the thickness of maize straw layer is suitably adjusted according to the required thickness of composite board sectional material, and the enforcement of heat pressing process can be carried out having on the hot-press equipment of heating function.
Aftertreatment technology,
Saw limit scale, each surface of polishing described maize straw and wooden skin composite board sectional material at last with sander with sawing machine according to book size 1220mm * 2440-4880mm.The surface finish of composite board sectional material is at composite board sectional material molded surface sticker panel.
Maize straw made according to the method for the present invention and wooden skin composite plate performance see Table 1.
Claims (5)
1. the manufacture method of a maize straw and wooden skin composite board sectional material comprises following processing step:
(1) maize straw material treatment process,
By plant equipment the maize straw raw material is cut into the section of 800-1200 millimeter, remove the maize straw leaf, the maize straw section is flattened, breaking on the maize straw surface is spaced apart 5 millimeters opening and forms the maize straw raw material;
(2) maize straw gluing treatment process,
The isophenol aldehyde adhesive is sprayed to the surface of stalk under certain pressure, form adhesive film on the stalk surface;
(3) composite plate forming processes technology,
Wooden skin base plate is laid on ground floor to be touched and pulls, anyhow the maize straw section that the lay that overlaps on the wood skin base plate is handled through gluing forms the maize straw layer, on the maize straw layer, lay wooden skin cover plate, the placement second layer is touched and is pulled on the wood skin cover plate, adopts heat pressing process with described maize straw and the moulding of wooden skin composite board sectional material;
(4) aftertreatment technology,
Saw limit scale, each surface of polishing described maize straw and wooden skin composite board sectional material at last with sander with sawing machine according to book size 1220mm * 2440-4880mm.
2. the method for claim 1, wherein spraying the used pressure of described adhesive is 0.35-0.60Mpa.
3. the method for claim 1, the thickness of wherein said composite board sectional material according to the maize straw section anyhow the lay amount adjust.
4. the method for claim 1, temperature 80-120 ℃ of wherein adopting heat pressing process molded composite board section bar, hot pressing pressure are 5-6Mpa, hot pressing time is 15-35 second.
5. one kind as claim 1-4 method is made as described in each maize straw and wooden skin composite board sectional material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810147092A CN101653958A (en) | 2008-08-18 | 2008-08-18 | Composite board sectional material of corn stalk and veneer and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810147092A CN101653958A (en) | 2008-08-18 | 2008-08-18 | Composite board sectional material of corn stalk and veneer and manufacturing method thereof |
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| CN101653958A true CN101653958A (en) | 2010-02-24 |
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| CN200810147092A Pending CN101653958A (en) | 2008-08-18 | 2008-08-18 | Composite board sectional material of corn stalk and veneer and manufacturing method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320071A (en) * | 2011-09-13 | 2012-01-18 | 刘金忠 | Method and equipment for pressing non-wood freight tray |
| CN102649287A (en) * | 2011-02-28 | 2012-08-29 | 段梦麟 | Plant stalk artificial wood and manufacturing method thereof |
| WO2013091506A1 (en) * | 2011-12-20 | 2013-06-27 | 浙江天仁风管有限公司 | Method for preparing double face veneer plant fiber board |
| CN103774954A (en) * | 2012-10-18 | 2014-05-07 | 上海德意达门窗有限公司 | Plant fiber composited wooden door and window frame material and production thereof |
| CN104526833A (en) * | 2012-12-12 | 2015-04-22 | 江苏洛基木业有限公司 | Production method of wheat straw artificial board decorated by oak barks |
| CN106985225A (en) * | 2017-05-04 | 2017-07-28 | 河南恒顺植物纤维板有限公司 | One kind exempts from paint shaped agricultural crop straw base Wood-based Panel Furniture material and its manufacture method |
-
2008
- 2008-08-18 CN CN200810147092A patent/CN101653958A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102649287A (en) * | 2011-02-28 | 2012-08-29 | 段梦麟 | Plant stalk artificial wood and manufacturing method thereof |
| CN102320071A (en) * | 2011-09-13 | 2012-01-18 | 刘金忠 | Method and equipment for pressing non-wood freight tray |
| WO2013091506A1 (en) * | 2011-12-20 | 2013-06-27 | 浙江天仁风管有限公司 | Method for preparing double face veneer plant fiber board |
| CN103774954A (en) * | 2012-10-18 | 2014-05-07 | 上海德意达门窗有限公司 | Plant fiber composited wooden door and window frame material and production thereof |
| CN104526833A (en) * | 2012-12-12 | 2015-04-22 | 江苏洛基木业有限公司 | Production method of wheat straw artificial board decorated by oak barks |
| CN106985225A (en) * | 2017-05-04 | 2017-07-28 | 河南恒顺植物纤维板有限公司 | One kind exempts from paint shaped agricultural crop straw base Wood-based Panel Furniture material and its manufacture method |
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Open date: 20100224 |