CN104786340A - Flame-retarded-straw artificial board and manufacturing method thereof - Google Patents
Flame-retarded-straw artificial board and manufacturing method thereof Download PDFInfo
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- CN104786340A CN104786340A CN201410509065.9A CN201410509065A CN104786340A CN 104786340 A CN104786340 A CN 104786340A CN 201410509065 A CN201410509065 A CN 201410509065A CN 104786340 A CN104786340 A CN 104786340A
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- fire
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/02—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
- B27N1/02—Mixing the material with binding agent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/10—Moulding of mats
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/18—Auxiliary operations, e.g. preheating, humidifying, cutting-off
Abstract
The invention provides a flame-retarded-straw artificial board which comprises, by weight, the raw materials of 7-9 parts of crop straw particles, 0.5-1.5 parts of adhesives and 0.5-1.5 parts of fire retardant, wherein the fire retardant comprises magnesium oxide, calcium sulfate, aluminium hydroxide, brucite and zinc borate. The flame-retarded-straw artificial board has better chemical properties such as flame retardance, water resistance and insection prevention and better physical and mechanical properties, and can be applied to various fields by replacing wooden artificial boards. The invention further provides a manufacturing method for the flame-retarded-straw artificial board, the manufacturing method mainly adopts the normal temperature cold pressing forming technology to conduct solidification and forming processing on the raw materials, energy sources are greatly saved, the product performance is improved, products have the functions of water resistance and fire prevention, the equipment cost is greatly reduced simultaneously, and the whole manufacturing process is harmless and green.
Description
Technical field
The present invention relates to a kind of wood-based plate and manufacture method thereof, particularly relate to a kind of stalk that utilizes as the fire-retardant artificial board of straw of primary raw material and manufacture method thereof.
Background technology
China is the serious deficient countries of forest reserves, but be again Wood-based Panel Production big country simultaneously, within 2013, China's wood-based plate output breaks through 2.7 billion cubic meters, only wood-based plate manufacture surpasses 4 billion cubic meters with regard to consuming forest tree resource, and the great demand of forest tree resource and the contradiction of scarcity of resources become the key factor restricting national economic development.Another aspect China produces agricultural crop straw class residue every year and reaches more than 900,000,000 tons, and this is a huge renewable resource.
Fire-retardant artificial board of straw mainly utilizes agricultural crop straw to manufacture, and can solve the problem.But, although the agricultural crop straw plate product that there has been on the market at present, owing to inflammablely to smolder, non-watertight, not insect protected, outdoor weather resistance is poor, easy to crack, cost is high, equipment is complicated and comprehensive utilization of resources degree is not high, there is the problem of the not high aspect of potential safety hazard, health environment-friendly and added value of product.
Summary of the invention
By Given this, necessary a kind of fire-retardant artificial board of straw and the manufacture method thereof of providing is to overcome above-mentioned technical problem.
A kind of fire-retardant artificial board of straw, comprises the raw material of following weight parts: agricultural crop straw particle 7 ~ 9 parts; Binding agent 0.5 ~ 1.5 part and fire retardant 0.5 ~ 1.5 part.Each component herein in described fire-retardant artificial board of straw is all with listed as parts by weight.
About 2 ~ 90 millimeters of the length of described agricultural crop straw particle.Preferably, the length of described agricultural crop straw particle is 2 ~ 40 millimeters.Described agricultural crop straw mainly comprises wheat straw, straw, corn stalk, cotton straw, waste of flax, the large non-wood such as large agricultural solid residue such as beanstalk, peanut shell and wild herb.Preferably, in described fire-retardant artificial board of straw, described agricultural crop straw particle is 8 parts.
Described binding agent is mainly used for adhering to described agricultural crop straw particle, makes it to become a continuous structure.Preferably, described binding agent is the binding agent with anti-flaming function.Described binding agent can be phenolic resin glue, American Red evil spirit glue or inorganic glue.Preferably, in described fire-retardant artificial board of straw, described binding agent 1 part.
Described fire retardant is mainly used for stoping or slow down described agricultural crop straw particle burning, and it comprises magnesia, calcium sulfate, aluminium hydroxide, shepardite and Firebrake ZB etc.Wherein, in described fire retardant, 1.8 ~ 2.5 parts, magnesia, 2.2 ~ 2.5 parts, calcium sulfate, 2.5 ~ 3.0 parts, aluminium hydroxide, shepardite 0.5 ~ 1.0 part and Firebrake ZB 1.2 ~ 1.5 parts.Preferably, 2.5 parts, magnesia, 2.2 parts, calcium sulfate, 3.0 parts, aluminium hydroxide, shepardite 0.9 part and Firebrake ZB 1.4 parts.Therefore, preferably, described fire-retardant artificial board of straw comprises the raw material of following weight parts: agricultural crop straw particle 8 parts; Binding agent 1 part and fire retardant 1 part, wherein, described fire retardant comprises 2.5 parts, magnesia, 2.2 parts, calcium sulfate, 3.0 parts, aluminium hydroxide, shepardite 0.9 part and Firebrake ZB 1.4 parts.
The thickness of described fire-retardant artificial board of straw is generally 6 ~ 90 millimeters; Preferably, the thickness of described fire-retardant artificial board of straw is generally 6 ~ 45 millimeters.The method specified according to GB/T 17657 records: the density of described fire-retardant artificial board of straw is more than or equal to 800kg/m usually
3, preferably, be more than or equal to 900kg/m
3; Described fire-retardant artificial board of straw MOR>=13 MPa/millimeter in normal state, elastic modelling quantity>=1600 MPa/millimeter, internal bond strength>=0.35 MPa/millimeter, thickness swelling rate is 2 hours≤6.0%.
The method specified according to GB/T 5464 and GB/T 14402 carries out combustion test to described fire-retardant artificial board of straw, B level and above standard thereof can be reached, especially when described binding agent has fire resistance, so described fire-retardant artificial board of straw has good fire resistance.
Described fire-retardant artificial board of straw measures according to the condensed steam water of GB 18580-2001 " in indoor decorating and refurnishing materials wood-based plate and goods thereof Form aldehyde release limitation " defined and climate box method, E1 level and above standard thereof can be reached, especially when described binding agent is inorganic glue, therefore described fire-retardant artificial board of straw has good environmental-protecting performance.
A manufacture method for above-mentioned fire-retardant artificial board of straw, comprises the following steps:
(1) by described stalk particle, described binding agent and described fire retardant (7 ~ 9): (0.5 ~ 1.5): the mass ratio mixing of (0.5 ~ 1.5), forms compound;
(2) pre-molding process is carried out to described compound, obtain pre-molding stalk base;
(3) described pre-molding stalk base is colded pressing heat treatment, obtain sizing stalk base;
(4) dry described sizing stalk base, to form described fire-retardant artificial board of straw.
Wherein, described step (one) comprise the following steps: pulverize agricultural crop straw, obtain described stalk particle, wherein, and about 2 ~ 90 millimeters of the length of described stalk particle; Described stalk particle is loaded in mixer; Described binding agent and described fire retardant is applied in the mixer that described stalk particle is housed, and stirring makes, and described stalk particle, described binding agent and described fire retardant are abundant, Homogeneous phase mixing, obtain described compound, wherein, in this compound, described stalk particle, described binding agent and described fire retardant (7 ~ 9): (0.5 ~ 1.5): the mass ratio mixing of (0.5 ~ 1.5).As, the quality of described stalk particle, described binding agent and described fire retardant 8:1:1 compares Homogeneous phase mixing.
Described step (two) comprising: be laid in by described compound and mat formation in mould, and applied pressure is less than 8 × 10 at normal temperatures
5newton, the height of the compound in mould of mating formation described in making is according to (5 ~ 6): the scale compression of 1, forms described pre-molding stalk base.
Particularly, take the described compound of predetermined quality, and the compound that this is weighed up be laid in described in mat formation in mould; Then, under normal temperature and dew-point temperature are the humidity of 65 ~ 98 degrees Celsius, the compound vertical to mould of mating formation applies to be less than 8 × 10
5the pressure of newton, then precompressed a period of time, the height of the compound in mould of mating formation described in making is according to (5 ~ 6): the scale compression of 1, forms described pre-molding stalk base.Wherein, in this pre-molding process, can be 1 × 10 to described compound applied pressure
5newton ~ 8 × 10
5newton, is preferably 0.9 × 10
5~ 3 × 10
5newton also can be 5 × 10
5~ 8 × 10
5newton particularly, can be 0.9 × 10 to described compound applied pressure
5newton, 1 × 10
5newton, 1.5 × 10
5newton, 2 × 10
5newton, 2.5 × 10
5newton, 3 × 10
5newton, 5 × 10
5newton, 5.5 × 10
5newton, 6 × 10
5newton, 6.5 × 10
5newton, 7 × 10
5newton, 7.5 × 10
5newton etc., this pressure is relevant with the density of described pre-molding stalk base, and concrete determines according to actual demand; Described pressure rising time can be less than 20 seconds, particularly, can be 5 ~ 20 seconds, as 8 seconds, 10 seconds, 12 seconds, 13 seconds, 15 seconds etc., is preferably 8 ~ 15 seconds described pressure rising time; About 2 ~ 18 seconds of described squeeze time, is preferably 3 ~ 15 seconds, e.g., and 3 seconds, 5 seconds, 8 seconds, 10 seconds, 15 seconds etc.; Described normal temperature refers to 5 ~ 45 degrees Celsius; Described compound can be 5:1,5.4:1,5.5:1,5.8:1,6:1 etc. applying the high compression ratio before and after pressure.
Described step (three) comprising: at normal temperatures, puts into clamping mechanism, and apply 0.9 × 10 by stacked for 30 ~ 80 described pre-molding stalk bases
7~ 1.8 × 10
7the pressure of newton, constant voltage a period of time, makes the height of 30 ~ 80 of stacked setting described pre-molding stalk bases according to (5 ~ 7): the scale compression of 1, forms the stalk base of predetermined altitude; Lock described clamping mechanism, and the stalk base being opposite to the described predetermined altitude in described clamping mechanism applies 0.8 × 10
7~ 1.6 × 10
7the pressure of newton is cured, and forms described sizing stalk base after solidification a period of time; Remove described clamping mechanism, obtain described sizing stalk base.
Wherein, institute's applied pressure preferably 1 × 10 is formed in the process of the stalk base of described predetermined altitude
7~ 1.7 × 10
7newton, as 1 × 10
7newton, 1.2 × 10
7newton, 1.3 × 10
7newton, 1.4 × 10
7newton, 1.6 × 10
7newton, 1.7 × 10
7newton etc.; Described constant voltage time was approximately 5 ~ 30 minutes, as 5 minutes, 10 minutes, 15 minutes, 20 minutes, 25 minutes, 30 minutes etc.; In described locked mode solidification process, institute's applied pressure is relevant with product density, and solidification institute applied pressure is larger, and the density of product is also larger; Solidification institute applied pressure is less, and the density of product is less; Preferably, solidifying institute's applied pressure is 0.9 × 10
7~ 1.5 × 10
7newton, as 0.9 × 10
7newton, 1 × 10
7newton, 1.2 × 10
7newton, 1.3 × 10
7newton, 1.5 × 10
7newton etc.; When the described applied pressure of solidification is approximately 0.9 × 10
7newtonian time, gained final products are low-density product in being; When the described applied pressure of solidification is approximately 1.56 × 10
7newtonian time, gained final products are highdensity product; Described hardening time is approximately 12 ~ 18 hours, different from the difference of the thickness of described sizing stalk base particularly, e.g., when the thickness of described sizing stalk base is 6 millimeters, solidifies about 12 hours; When the thickness of described sizing stalk base is 60 millimeters, be approximately 18 hours hardening time.
Described step (four) comprising: adopt microwave drying technology to carry out drying to described sizing stalk base, form described fire-retardant artificial board of straw.Such as, under the microwave frequency of 2054 megahertzes, dry 20 seconds of described sizing stalk base, just can make its moisture content just can be reduced to 10% from 30% of charging.
Described step (four) also comprises carries out polishing to dried described fire-retardant artificial board of straw, and the general sander that adopts carries out polishing to described fire-retardant artificial board of straw, and make the surperficial smoother of described fire-retardant artificial board of straw, Thickness Ratio is more even.
The manufacture method of described fire-retardant artificial board of straw, except comprising above-mentioned steps, also comprises step such as saw limit, finished product packing warehouse-in etc.Wherein, the size of described fire-retardant artificial board of straw is mainly processed into the size of actual demand by the technique on saw limit, therefore, before the technique on this saw limit can be arranged on above-mentioned drying process, after also can arranging above-mentioned drying process.
Compared with prior art, artificial board of straw provided by the invention has the chemical property such as fire-retardant, waterproof insectproof and preferably physical and mechanical properties preferably, wood-base fibre and particle panel material can be substituted, particularly medium/high density board, particieboard etc., it is low that described fire-retardant artificial board of straw compensate for the fire protecting performances such as medium/high density board, particieboard, non-watertight, non-moistureproof defect, and can substitute wooden clamping plate, particieboard, the wooden class wood-based plate such as lumber core.For the production of building decorations finishings such as floor, furniture, fire resistant doorsets, decorative panel, furred ceiling, acoustic board, partition plates.Described fire-retardant artificial board of straw can be widely used in hotel, hotel, place of public amusement, office building, bank, family, market, school, skyscraper, society's disaster relief is met an urgent need, such as, the green building aspect such as assembled house, temporary building, system room, field, light-duty industrial premises, storage room plays its feature.
Compared with prior art, the manufacture method of fire-retardant artificial board of straw provided by the invention, normal temperature cold moudling technology is adopted not only greatly to save the energy, but also improve properties of product, product is enable to take into account waterproof and fire-proof function, also significantly reduce equipment manufacturing cost simultaneously, make that whole production process is innoxious, greenization, this adopts heat pressing process irrealizable.The fire-retardant artificial board of straw of described crops adopts cold curing compressing in process of production, do not need high temperature hot pressing, gummed can be completed in normal temperature state, only microwave technology is adopted to carry out drying to plate embryo in dry link, do not consume solid fuel, factory does not have chimney, and whole production process achieves greenization and produces.In addition, in manufacture method provided by the invention, adopt microwave drying technology to carry out drying, have that rate of drying is large, energy-conservation, production efficiency is high, uniform drying, cleaner production, easily realize Automated condtrol and the advantage such as to improve the quality of products.
Detailed description of the invention
Below by detailed description of the invention, technical scheme of the present invention is described in further detail.
The embodiment of the present invention provides a kind of fire-retardant artificial board of straw, and the dimension volume of this fire-retardant artificial board of straw is approximately 2440mm × 1220mm × 12mm, density is more than or equal to 900kg/m
3this wood-based plate is approximately agricultural crop straw 18kg, the phenolic resin glue 2.3kg of 2 ~ 30 millimeters by particle diameter and fire retardant 1kg forms, wherein, described fire retardant comprises magnesia 0.25 kg, calcium sulfate 0.22kg, aluminium hydroxide 0.30kg, shepardite 0.09kg and Firebrake ZB 0.14kg.
The fire-retardant artificial board of straw that the embodiment of the present invention provides according to following manufacture technics:
Pulverize: particle diameter crops stalk crushing being become 2 ~ 30 millimeters;
Packing is measured: take described agricultural crop straw particle 18 Kg, described binding agent 2.3 Kg, described fire retardant 1 Kg respectively, and be placed in mixer, wherein, described fire retardant comprises magnesia 0.25 kg, calcium sulfate 0.22kg, aluminium hydroxide 0.30kg, shepardite 0.09kg and Firebrake ZB 0.14kg;
Stir: with mixer stirring described agricultural crop straw particle 18 Kg, described binding agent 2.3 Kg, described fire retardant 1 Kg wherein, make it to be uniformly mixed to form compound;
Mat formation: claim the described compound of 21.3 Kg at every turn and be paved in spreading machine;
Pre-molding: 0.9 × 10 is applied to the compound in described spreading machine
5~ 3 × 10
5the pressure of newton, and exert pressure about 5 ~ 10 seconds, form pre-molding stalk base;
Stacking: put together stacked for 45 layers of described pre-molding stalk slab, forms pre-molding stalk board hack;
To cold pressing sizing: 0.9 × 10 is applied to above-mentioned pre-molding stalk hack
7~ 1.8 × 10
7the pressure of newton, and apply about 3 minutes;
Locked mode: the stalk base that above-mentioned fixating shape step of colding pressing obtains is locked in its mould, and 0.8 × 10 is applied to it
7~ 1.6 × 10
7the pressure of newton is cured, and is approximately 14 hours hardening time, forms the sizing stalk base that thickness is approximately 12mm;
The maintenance demoulding: unlock described sizing stalk base, and take out described sizing stalk base from described mould;
Dry: above-mentioned sizing stalk base to be put into microwave dryer and carries out microwave drying 20 seconds, obtain fire-retardant artificial straw boards half-finished product, wherein, the microwave frequency of described microwave dryer is 2054 megahertzes, described sizing stalk base moisture content is before it is dried approximately 30%, and the half-finished moisture content of described fire-retardant artificial board of straw is approximately 10%;
Semi-finished product saw limit: according to actual demand, cutting edge process is carried out to above-mentioned fire-retardant artificial straw boards half-finished product, obtain the fire-retardant artificial straw boards half-finished product that length, width are approximately respectively 2440mm, 1220mm;
Sanding: adopt the fire-retardant artificial straw boards half-finished product behind sander polishing above-mentioned saw limit, obtain described fire-retardant artificial straw board finished product;
Packaging warehouse-in: quality examination is carried out to above-mentioned fire-retardant artificial straw board finished product, and qualified product is packed and puts preservation in storage.
Performance test: (1) water resistance test: the fire-retardant artificial board of straw of above-mentioned 12 millimeters thick is placed in 73 DEG C of boiling water 3 hours, 73 DEG C dryings 2 hours.Then the intensity measuring described fire-retardant artificial board of straw is 0.8 MPa, boil front intensity is 1.17 MPas.
(2) method specified according to GB8624 or GB20260-2006 carries out combustion test, and result of the test is: fire growth rate index :≤25W/s; Total heat release≤3.5MJ in 600s; Flame laterally spreads length: < sample edge; Flame cusp height :≤50mm; Flue gas generating rate index≤1m
2/ s
2; Total smoke-producing amount≤50m in 600s
2; Without density flaming droplet/particulate in density flaming droplet/particulate: 600s; Whether filter paper is ignited: filter paper is not ignited; Produce smoke toxicity: reach ZA
2level, meets the B-s1 that GB 20286-2006 specifies, d0, t1 grade standard.
In addition, the density of fire-retardant artificial board of straw that the present embodiment provides is more than or equal to 900kg/m
3, MOR>=13 MPa/millimeter in normal state, elastic modelling quantity>=1600 MPa/millimeter, internal bond strength>=0.35 MPa/millimeter, thickness swelling rate 2h≤3.0%.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.
Claims (10)
1. a fire-retardant artificial board of straw, it is characterized in that: it comprises the raw material of following weight parts: agricultural crop straw particle 7 ~ 9 parts, binding agent 0.5 ~ 1.5 part and fire retardant 0.5 ~ 1.5 part, wherein said fire retardant comprises magnesia, calcium sulfate, aluminium hydroxide, shepardite and Firebrake ZB.
2. fire-retardant artificial board of straw according to claim 1, is characterized in that: it comprises the raw material of following weight parts: agricultural crop straw particle 8 parts, binding agent 1 part and fire retardant 1 part, and wherein, the particle diameter of described agricultural crop straw particle is 2 ~ 40 millimeters.
3. fire-retardant artificial board of straw according to claim 1, is characterized in that: described binding agent is phenolic resin glue, American Red evil spirit glue or inorganic glue.
4. the fire-retardant artificial board of straw according to claim 1 or 2 or 3, is characterized in that: described fire retardant comprises the raw material of following weight parts: 1.8 ~ 2.5 parts, magnesia, 2.2 ~ 2.5 parts, calcium sulfate, 2.5 ~ 3.0 parts, aluminium hydroxide, shepardite 0.5 ~ 1.0 part and Firebrake ZB 1.2 ~ 1.5 parts.
5. fire-retardant artificial board of straw according to claim 4, is characterized in that: the thickness of described fire-retardant artificial board of straw is 6 ~ 45 millimeters.
6. a manufacture method for the fire-retardant artificial board of straw according to any one of claim 1-5, comprises the following steps:
(1) by described stalk particle, described binding agent and described fire retardant (7 ~ 9): (0.5 ~ 1.5): the mass ratio mixing of (0.5 ~ 1.5), forms compound;
(2) pre-molding process is carried out to described compound, obtain pre-molding stalk base;
(3) described pre-molding stalk base is colded pressing heat treatment, obtain sizing stalk base;
(4) dry described sizing stalk base, to form described fire-retardant artificial board of straw.
7. manufacture method according to claim 6, is characterized in that: described step (two) comprising: be laid in by described compound and mat formation in mould, and applied pressure is less than 8 × 10 at normal temperatures
5newton, the height of the compound in mould of mating formation described in making is according to (5 ~ 6): the scale compression of 1, forms described pre-molding stalk base.
8. the manufacture method according to claim 6 or 7, is characterized in that: described step (three) comprising: put into clamping mechanism by stacked for 30 ~ 80 described pre-molding stalk bases, and apply 0.9 × 10
7~ 1.8 × 10
7the pressure of newton, constant voltage a period of time, makes the height of 30 ~ 80 of stacked setting described pre-molding stalk bases according to (5 ~ 7): the scale compression of 1, forms the stalk base of predetermined altitude; Lock described clamping mechanism, and make the stalk base of the described predetermined altitude being placed in described clamping mechanism maintain 0.8 × 10
7~ 1.6 × 10
7the pressure of newton is cured, and forms described sizing stalk base after solidification a period of time; Remove described clamping mechanism, obtain described sizing stalk base.
9. manufacture method according to claim 6, is characterized in that: described step (four) comprising: adopt microwave drying technology to carry out drying to described sizing stalk base.
10. manufacture method according to claim 9, is characterized in that: described step (four) also comprises carries out polishing to dried described sizing stalk base.
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Cited By (4)
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| CN108130022A (en) * | 2018-01-18 | 2018-06-08 | 吕晓峰 | For the adhesive of artificial board of straw and the preparation method of artificial board of straw |
| CN108247805A (en) * | 2018-01-18 | 2018-07-06 | 吕晓峰 | Fire-retardant artificial board of straw and preparation method thereof |
| CN108714954A (en) * | 2018-05-02 | 2018-10-30 | 信阳美丽真好秸秆新材科技有限公司 | Carbon-fibre reinforced epoxy resin stalk composite board and preparation method thereof |
| CN110091408A (en) * | 2019-03-29 | 2019-08-06 | 扬州中天利新材料股份有限公司 | A method of greening backing is produced using sawdust and stalk |
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Application publication date: 20150722 |