CN105082317B - A method of making composite plate using straw - Google Patents
A method of making composite plate using straw Download PDFInfo
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- CN105082317B CN105082317B CN201410180941.8A CN201410180941A CN105082317B CN 105082317 B CN105082317 B CN 105082317B CN 201410180941 A CN201410180941 A CN 201410180941A CN 105082317 B CN105082317 B CN 105082317B
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Abstract
A kind of method mainly step progress in the following way making composite plate using straw：One, using more clean, dry straw as making raw material；Two, straw is subjected to chaotic formula processing；Three, chaotic straw first compression at thick 0.3 centimetre of elongated straw thin layer and is subjected to infiltration paraffin by the paraffin liquid of high temperature melting；Four, it squeezes out the straw thin layer original thickness for having infiltrated paraffin is high temperature compressed extra paraffin liquid and is quickly cooled down into paraffin straw thin plate；Five, paraffin straw thin plate is subjected to two-sided scraper plane；Six, the wax layer double-face spray painting urea-formaldehyde resin adhesive dug will be included；Seven, the multilayer paraffin straw thin plate for coating urea-formaldehyde resin adhesive is pressed into composite rice straw board.A kind of composite plate using straw making is infiltrated using dry straw by the paraffin of high temperature melting, and the multilayer straw thin plate compacting that surface scraper plane is crossed is made composite board, and water proofing property is high, hardness is high, toughness is strong.
Description
Technical field
The present invention relates to a kind of methods of multilayer composite sheet that making raw material making using straw, belong to industrial technology neck
Domain.
Background technology
China is grain-production big country, and the plant development amount of wherein rice occupy the first place of various grain class yield, it is seen that
The plantation amount of rice is huge.The plantation of rice also produces the process problem of rice grass, and a large amount of rice grass is used as domestic animal
The feed of poultry, but animal feeding-stuff only can consume least a portion of straw, and then remaining straw is just solved by combustion (of oil) insitu, burning
Straw not only wastes resource, also creates the pollution of environment.
Many composite enterprises also produce straw material using straw as raw material, are straw plate mostly.It is general
The making of straw plate is all that straw is first carried out clast into wood shavings, then utilizes alkali Soaking treatment, viscous with resin again after dry
Agent mixing compacting is made plate；These method process flows are excessively complicated, and the raw material of industry of consuming and time are excessive, investment at
This is excessive, this keeps the ability of processing straw limited, and therefrom income is little for enterprise, and the initiative for handling straw is not high, cannot be complete
Solve the problems, such as a large amount of straw.
Invention content
In order to solve the problems, such as straw, also for can be from using straw as obtaining apparent economic interests in raw material, I
Invented a kind of method making composite plate using straw, the composite board bonding that this method makes is close, hardness and tough
Property is all higher than general straw intensity, is state-of-the-art straw processing method.
A kind of method using straw making composite plate solves the problems, such as to adopt the technical scheme that by following making step
It is rapid to carry out：One, using more clean, dry straw as making raw material；Two, straw is subjected to chaotic formula processing；Three, it will mix
Random straw first compression at thick 0.3 centimetre of continuous long thin layer and carries out infiltration paraffin by the paraffin liquid of high temperature melting；Four,
The straw thin layer secondary high-temperature original thickness for having infiltrated paraffin compression is squeezed out into extra paraffin liquid and fast low temperature is cooled to stone
Wax straw thin plate；Five, two-sided scraper plane is carried out to paraffin straw thin plate；Six, the paraffin straw thin sheet surface after two-sided scraper plane is sprayed
Apply urea-formaldehyde resin adhesive；Seven, the multilayer wax layer for coating urea-formaldehyde resin adhesive combination is pressed into composite rice straw board.
Dry straw is a kind of plant for being easy to be flooded profit, and volume after infiltrating and hardness are varied from,
Volume increases, hardness softens, and this feature of straw makes the limitation that straw is subject to as the raw material of plate material.If simply will
Straw be bonded into plate, this compressed straw slab once meeting water can infiltrate, then occur swelling, softening, it is rotten dissipate, be exactly not meet
Water is attacked, and straw can also occur the moisture absorbed in air and change, and such compressed straw slab is not suitable for using at all.It makes
Compressed straw slab, it is necessary to which the water proofing property processing for carrying out straw raw material is the waterproof method of general industry raw material using paraffin spraying, but sprays
It is that surface is coated with paraffin to apply, and the major part of raw material still has water imbibition.By research, we are using after paraffin high temperature melting
Liquid property passes through straw the liquid paraffin of high temperature, makes straw by liquid paraffin complete wetting, this can be such that straw does not have completely
Spatial absorptive moisture becomes the straw material of waterproof.But the Peng Song properties of straw can absorb a large amount of paraffin, then we
The straw of Peng Song carry out infiltration paraffin before and after it is high temperature compressed twice, in this way utilize paraffin amount greatly reduce, saving
A large amount of cost.
The composite plate made using straw must have certain thickness that can just have good toughness and hardness, infiltrate paraffin
Straw be difficult be compressed into thickness, hardness, toughness composite board, depend merely on the high temperature adhesives of paraffin composite plate also lack it is tough
Property, the presence of paraffin can prevent the cementability of various adhesives, and still, we must use the paraffin straw conduct infiltrated again
Raw material.In order to solve this problem, we first make the paraffin straw layer of thin layer, are mutually bonded into using multilayer paraffin straw layer
Still there is wax layer on surface for composite plate, but every layer of wax layer, if we exclude this surface wax layer, paraffin straw thin layer
Surface can expose the cuticula of straw, these cuticula are well suited for the adhesiveness of resin adhesive, we can be achieved with more
Layer paraffin straw thin layer is thought mutually to bond, the process excluded can be carried out with the scraper plane of assembly line, very saving of work and time, scrapes and digs
The also repeatable fusing of paraffin uses.
A kind of advantageous effect of method making composite plate using straw is：A method of making composite plate using straw
Become waterproof straw raw material using the paraffin infiltration straw of high temperature melting；Also utilize the straw layer for excluding multilayer and excluding surface paraffin
Resin-bonding is carried out into multilayer composite compressed straw slab, production method is simple and quick, cost is few, the composite plate hardness height of making, toughness
By force, water proofing property is strong.
Specific implementation mode
A kind of method using straw making composite plate is to put row into fact by following making step.
One, using more clean, dry straw as raw material is made, straw surface cannot attach excessive silt, mud
Husky presence influences following compression step, and the big straw of water content also lacks hardness and can influence following infiltration paraffin step
Suddenly.
Two, straw is subjected to chaotic formula processing, neat straw does not have the connectivity of space-time, chaotic straw that can produce
Raw space-time pulls connectivity, and the composite plate of making is made to show powerful hardness and toughness.
Three, chaotic paraffin first compression at the elongated continuous thin layer of 0.3 cm thick and is continued through into high temperature melting
Paraffin liquid carries out infiltration paraffin, and impregnation process can be with successional conveyor type production line.It is taken the photograph using the temperature 90 of melted paraffin
Family name degree or more.
Four, by the extra vasoliniment of the high temperature compressed extrusion of the secondary original thickness of straw thin layer for having infiltrated paraffin, then will
Straw thin layer is quickly cooled down into straw thin layer, and cooling temperature is 10 degrees Celsius or less.
Five, two-sided scraper plane is carried out to the thin layer of paraffin straw, the paraffin on scraper plane surface exposes the cuticula of straw.
Six, the paraffin straw thin layer surface after scraper plane sprays urea-formaldehyde resin adhesive, also can be urea-formaldehyde resin adhesive
Carry out double surface smear of painting type smearing.
Seven, the paraffin thin layer for coating urea-formaldehyde resin adhesive progress multilayer is mutually pressed into multilayer composite compressed straw slab.
The pressing time of multilayer paraffin thin layer must could be depressurized after Lauxite solidification, can also heat up compacting, in this way can be with
Accelerate the Lauxite cured time.
Claims (1)
1. a kind of method making composite plate using straw, it is characterized in that：One, using more clean, dry straw as system
Make raw material；Two, straw is subjected to chaotic formula processing；Three, by chaotic straw first compression at thick 0.3 centimetre of continuous long thin layer
And infiltration paraffin is carried out by the paraffin liquid of high temperature melting；Four, the straw thin layer secondary high-temperature original thickness pressure of paraffin will have been infiltrated
Contracting squeezes out extra paraffin liquid and fast low temperature is cooled to paraffin straw thin plate；Five, paraffin straw thin plate is subjected to two-sided scrape
Plane；Six, the paraffin straw thin sheet surface after two-sided scraper plane is sprayed into urea-formaldehyde resin adhesive；Seven, urea-formaldehyde resin adhesive will be coated
The multilayer paraffin straw thin plate combination of stick is pressed into composite rice straw board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410180941.8A CN105082317B (en) | 2014-05-04 | 2014-05-04 | A method of making composite plate using straw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410180941.8A CN105082317B (en) | 2014-05-04 | 2014-05-04 | A method of making composite plate using straw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105082317A CN105082317A (en) | 2015-11-25 |
| CN105082317B true CN105082317B (en) | 2018-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410180941.8A Active CN105082317B (en) | 2014-05-04 | 2014-05-04 | A method of making composite plate using straw |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1071361A (en) * | 1991-10-08 | 1993-04-28 | 定襄县振兴纤维板厂 | Method with sorghum stalk, cornstalk production wood-based plate |
| JP3755029B2 (en) * | 2002-02-08 | 2006-03-15 | 北海道 | Exothermic plywood and exothermic composite panel |
| CN1386628A (en) * | 2002-04-08 | 2002-12-25 | 张杰强 | Moisture-proof insulating high-density plant fibre floor with laminated structure |
| CN101148056A (en) * | 2007-11-13 | 2008-03-26 | 江苏鼎元科技发展有限公司 | Formaldehyde-less composite stalk board production technology method and use |
| CN101642925B (en) * | 2009-09-08 | 2012-05-30 | 苏州伍得人造板设备有限公司 | Urea formaldehyde resin adhesive medium density fiber board utilizing castor bean stalk as raw material |
| CN101659074B (en) * | 2009-09-10 | 2012-06-27 | 南京林业大学 | Method for manufacturing weed wood and straw compounding medium density fiberboard with laminated structure |
| CN103203790A (en) * | 2013-01-30 | 2013-07-17 | 天津圣运新材料科技有限公司 | Method for producing fiberboard by utilizing cementing property of straw fibers |
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2014
- 2014-05-04 CN CN201410180941.8A patent/CN105082317B/en active Active
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| CN105082317A (en) | 2015-11-25 |
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Effective date of registration: 20180926 Address after: 312500 room 241, 255 West Road, seven star avenue, Xinchang County, Shaoxing, Zhejiang. Applicant after: Sheng Yahong Address before: 535000 C2BB402, two district, Bailey court, Qinzhou, the Guangxi Zhuang Autonomous Region Applicant before: Li Xianqiang |
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Effective date of registration: 20190625 Address after: 546600 Licheng Huangzhai Economic Development Zone, Lipu County, Guilin City, Guangxi Zhuang Autonomous Region Patentee after: Butler Courtesy (Guilin) Inc. Address before: 312500 room 241, 255 West Road, seven star avenue, Xinchang County, Shaoxing, Zhejiang. Patentee before: Sheng Yahong |