CN106671243A - Production method of ultrathin veneering straw fiberboard - Google Patents
Production method of ultrathin veneering straw fiberboard Download PDFInfo
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- CN106671243A CN106671243A CN201710007521.3A CN201710007521A CN106671243A CN 106671243 A CN106671243 A CN 106671243A CN 201710007521 A CN201710007521 A CN 201710007521A CN 106671243 A CN106671243 A CN 106671243A
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- parts
- straw
- sodium
- production method
- wheat straw
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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
- B27N3/08—Moulding or pressing
- B27N3/10—Moulding of mats
- B27N3/12—Moulding of mats from fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/52—Impregnating agents containing mixtures of inorganic and organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
- B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
- B27L11/08—Manufacture of wood shavings, chips, powder, or the like; Tools therefor of wood fibres, e.g. produced by tearing
-
- 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
-
- 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
- B27N3/04—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from fibres
-
- 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
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/02—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising animal or vegetable substances, e.g. cork, bamboo, starch
-
- 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
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
Abstract
The invention discloses a production method of an ultrathin veneering straw fiberboard. The production method comprises the following specific steps: wheat straw is cut into small sections 8-10 cm long; the wheat straw sections are presoaked in an alkaline refining agent for 1-2 h, subjected to fibrillation and conveyed to a coating machine; the wheat straw is subjected to hot press molding by a hot press, a product is dried and veneered with melamine paper finally, and the board is discharged. No adhesive is added in the method, mixed molding is realized with complete dependence on straw fibers, straw contains an adhesive which can be released completely during fiber production, the adhesive of the straw plays a role during hot pressing, so that the board is formed better through adhesion, and the board has the advantages of being high in strength, good in toughness, completely free of formaldehyde release and the like; and the cost is low, the output is high, and the whole technological production process is simple.
Description
Technical field
The present invention relates to sheet material manufacturing technology field, specifically a kind of production method of ultra-thin straw veneer density board.
Background technology
Density board is also referred to as fibre board, be with wood fibre or other plant fiber as raw material, apply urea-formaldehyde resin adhesive or its
Sheet material made by his adhesive, such sheet material can discharge substantial amounts of formaldehyde and be detrimental to health.Straw now on the market is close
Degree plate is all that directly wheat straw to be ground into into 1-2 centimetres with pulverizer long, is then mated formation on plate paver, per layer overlay, is sprinkled with
One layer of urea-formaldehyde resin adhesive, with this slab that be bonded into afterwards several times that moves in circles, such sheet metal thickness is less than in more than 5mm
5mm cannot molding and cost is high, substantial amounts of adhesive produces substantial amounts of formaldehyde, and such sheet material content of formaldehyde is not less than 2,
It is exactly the E2 level standards of sheet material class, is not real environment-friendly sheet, not only China, foreign countries also requires already the plate of E0 ranks
Material, will really accomplish formaldehydeless sheet material, must just refuse the use of glue；Panel production line technology is very ripe, or even a lot
Foreign customers are all from China's import panel production line, so wanting to realize real without aldehyde plate, still to reform from raw material.
In addition, existing densified straw board 5mm slabs can only be used as house ornamentation aspect, use range is limited；Sheet material is thick and heavy, no
Easily carry；The particieboard of densified straw board slab and market does not have essential distinction, the easily sudden and violent tooth in cutting, and sheet material splits etc. asks
Topic.
The content of the invention
It is an object of the invention to provide a kind of nonpoisonous and tasteless, formaldehydeless, low cost ultra-thin straw veneer density board
Production method, to solve the problems, such as above-mentioned background technology in propose.
For achieving the above object, the present invention provides following technical scheme：
A kind of production method of ultra-thin straw veneer density board, comprises the following steps that：
1）Wheat straw waste is carried out into uniform cut into the segment that length is 8-10cm by chaffcutter；
2）Wheat straw waste segment is dipped in advance in alkalescence refinement agent solution by reaction warehouse and places 1-2h, makes medicinal liquid fully penetrate into straw
In stalk so as to which cellulose, hemicellulose and lignin obtain abundant separated and dissolved；
3）Wheat straw waste is carried out into wire-dividing broom purification by integrating the refiner of rubbing and pressure sub-wire, completely fiber fines are refined into
Shape, then fiber is transported on sizing machine；The sizing machine is the online of gunite formula, it is ensured that fiber aspect is to index error 1:
1.1-1.5；
4）It is hot-forming and dry by hot press again, come out of the stove finally by sheet material after facing machine patch last layer melamine paper,
The thickness of sheet material is 0.8-1mm.
As further scheme of the invention：The alkaline extraction agent includes according to the raw material of weight portion：Sodium hydroxide 20-
40 parts, sodium tripolyphosphate 10-15 parts, anhydrous sodium metasilicate 20-30 parts, sodium resinate 3-5 parts, sodium alklyarylsulfonate 2-4 parts,
Alkylaryl polyalcohol ether 2-4 parts, triethanolamine oleate 1-3 parts.
As further scheme of the invention：The alkaline extraction agent includes according to the raw material of weight portion：Sodium hydroxide 25-
35 parts, sodium tripolyphosphate 11-14 parts, anhydrous sodium metasilicate 22-28 parts, sodium resinate 3.5-4.5 parts, sodium alklyarylsulfonate
2.5-3.5 parts, alkylaryl polyalcohol ether 2.5-3.5 parts, triethanolamine oleate 1.5-2.5 parts.
As further scheme of the invention：The alkaline extraction agent includes according to the raw material of weight portion：Sodium hydroxide
30 parts, 12 parts of sodium tripolyphosphate, 25 parts of anhydrous sodium metasilicate, 4 parts of sodium resinate, 3 parts of sodium alklyarylsulfonate, alkylaryl gather
3 parts of alcohol ether, 2 parts of triethanolamine oleate.
Compared with prior art, the invention has the beneficial effects as follows：
, without any adhesive, completely by stalk fibre itself intertexture molding, and straw itself is brood lac containing one for the present invention
Glutinous agent, this adhesive is discharged completely when fiber is made, and straw carries adhesive and plays work(when by hot pressing
Effect make its more preferable gluing into plate, and such timber intensity height, good toughness, entirely without Form aldehyde release the advantages of；And the present invention
Low cost, yield are big, and whole technique Making programme is simple.
Description of the drawings
Fig. 1 is the process chart of the present invention.
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
Embodiment 1
Fig. 1 is referred to, a kind of production method of ultra-thin straw veneer density board is comprised the following steps that：
1）Wheat straw waste is carried out into uniform cut into the segment that length is 8cm by chaffcutter 1；
2）Wheat straw waste segment is dipped in advance in alkalescence refinement agent solution by reaction warehouse 2 and places 1h, makes medicinal liquid fully penetrate into straw
In stalk so as to which cellulose, hemicellulose and lignin obtain abundant separated and dissolved；
3）Wheat straw waste is carried out into wire-dividing broom purification by integrating the refiner 3 of rubbing and pressure sub-wire, completely tiny fibre is refined into
Dimension shape, then fiber is transported on sizing machine 4；In order to improve sheet material physical strength, prevent layering, warping phenomenon from occurring, it is described
Sizing machine 4 is the online of gunite formula, it is ensured that fiber aspect is to index error 1:1.1；
4）It is hot-forming and dry by hot press 5 again, go out finally by sheet material after the patch last layer melamine paper of facing machine 6
Stove, the thickness of sheet material is 0.8mm.
The alkaline extraction agent includes according to the raw material of weight portion：20 parts of sodium hydroxide, 10 parts of sodium tripolyphosphate, it is anhydrous partially
20 parts of sodium silicate, 3 parts of sodium resinate, 2 parts of sodium alklyarylsulfonate, 2 parts of alkylaryl polyalcohol ether, 1 part of triethanolamine oleate.
Embodiment 2
Fig. 1 is referred to, a kind of production method of ultra-thin straw veneer density board is comprised the following steps that：
1）Wheat straw waste is carried out into uniform cut into the segment that length is 8.5cm by chaffcutter 1；
2）Wheat straw waste segment is dipped in advance in alkalescence refinement agent solution by reaction warehouse 2 and places 1.2h, medicinal liquid is fully penetrated into
In straw so as to which cellulose, hemicellulose and lignin obtain abundant separated and dissolved；
3）Wheat straw waste is carried out into wire-dividing broom purification by integrating the refiner 3 of rubbing and pressure sub-wire, completely tiny fibre is refined into
Dimension shape, then fiber is transported on sizing machine 4；In order to improve sheet material physical strength, prevent layering, warping phenomenon from occurring, it is described
Sizing machine 4 is the online of gunite formula, it is ensured that fiber aspect is to index error 1:1.2；
4）It is hot-forming and dry by hot press 5 again, go out finally by sheet material after the patch last layer melamine paper of facing machine 6
Stove, the thickness of sheet material is 0.85mm.
The alkaline extraction agent includes according to the raw material of weight portion：25 parts of sodium hydroxide, 11 parts of sodium tripolyphosphate, it is anhydrous partially
22 parts of sodium silicate, 3.5 parts of sodium resinate, 2.5 parts of sodium alklyarylsulfonate, 2.5 parts of alkylaryl polyalcohol ether, triethanolamine oleate
1.5 part.
Embodiment 3
Fig. 1 is referred to, a kind of production method of ultra-thin straw veneer density board is comprised the following steps that：
1）Wheat straw waste is carried out into uniform cut into the segment that length is 9cm by chaffcutter 1；
2）Wheat straw waste segment is dipped in advance in alkalescence refinement agent solution by reaction warehouse 2 and places 1.5h, medicinal liquid is fully penetrated into
In straw so as to which cellulose, hemicellulose and lignin obtain abundant separated and dissolved；
3）Wheat straw waste is carried out into wire-dividing broom purification by integrating the refiner 3 of rubbing and pressure sub-wire, completely tiny fibre is refined into
Dimension shape, then fiber is transported on sizing machine 4；In order to improve sheet material physical strength, prevent layering, warping phenomenon from occurring, it is described
Sizing machine 4 is the online of gunite formula, it is ensured that fiber aspect is to index error 1:1.3；
4）It is hot-forming and dry by hot press 5 again, go out finally by sheet material after the patch last layer melamine paper of facing machine 6
Stove, the thickness of sheet material is 0.9mm.
The alkaline extraction agent includes according to the raw material of weight portion：30 parts of sodium hydroxide, 12 parts of sodium tripolyphosphate, it is anhydrous partially
25 parts of sodium silicate, 4 parts of sodium resinate, 3 parts of sodium alklyarylsulfonate, 3 parts of alkylaryl polyalcohol ether, 2 parts of triethanolamine oleate.
Embodiment 4
Fig. 1 is referred to, a kind of production method of ultra-thin straw veneer density board is comprised the following steps that：
1）Wheat straw waste is carried out into uniform cut into the segment that length is 9.5cm by chaffcutter 1；
2）Wheat straw waste segment is dipped in advance in alkalescence refinement agent solution by reaction warehouse 2 and places 1.8h, medicinal liquid is fully penetrated into
In straw so as to which cellulose, hemicellulose and lignin obtain abundant separated and dissolved；
3）Wheat straw waste is carried out into wire-dividing broom purification by integrating the refiner 3 of rubbing and pressure sub-wire, completely tiny fibre is refined into
Dimension shape, then fiber is transported on sizing machine 4；In order to improve sheet material physical strength, prevent layering, warping phenomenon from occurring, it is described
Sizing machine 4 is the online of gunite formula, it is ensured that fiber aspect is to index error 1:1.4；
4）It is hot-forming and dry by hot press 5 again, go out finally by sheet material after the patch last layer melamine paper of facing machine 6
Stove, the thickness of sheet material is 0.95mm.
The alkaline extraction agent includes according to the raw material of weight portion：35 parts of sodium hydroxide, 14 parts of sodium tripolyphosphate, it is anhydrous partially
28 parts of sodium silicate, 4.5 parts of sodium resinate, 3.5 parts of sodium alklyarylsulfonate, 3.5 parts of alkylaryl polyalcohol ether, triethanolamine oleate
2.5 part.
Embodiment 5
Fig. 1 is referred to, a kind of production method of ultra-thin straw veneer density board is comprised the following steps that：
1）Wheat straw waste is carried out into uniform cut into the segment that length is 10cm by chaffcutter 1；
2）Wheat straw waste segment is dipped in advance in alkalescence refinement agent solution by reaction warehouse 2 and places 2h, makes medicinal liquid fully penetrate into straw
In stalk so as to which cellulose, hemicellulose and lignin obtain abundant separated and dissolved；
3）Wheat straw waste is carried out into wire-dividing broom purification by integrating the refiner 3 of rubbing and pressure sub-wire, completely tiny fibre is refined into
Dimension shape, then fiber is transported on sizing machine 4；In order to improve sheet material physical strength, prevent layering, warping phenomenon from occurring, it is described
Sizing machine 4 is the online of gunite formula, it is ensured that fiber aspect is to index error 1:1.5；
4）It is hot-forming and dry by hot press 5 again, go out finally by sheet material after the patch last layer melamine paper of facing machine 6
Stove, the thickness of sheet material is 1mm.
The alkaline extraction agent includes according to the raw material of weight portion：40 parts of sodium hydroxide, 15 parts of sodium tripolyphosphate, it is anhydrous partially
30 parts of sodium silicate, 5 parts of sodium resinate, 4 parts of sodium alklyarylsulfonate, 4 parts of alkylaryl polyalcohol ether, 3 parts of triethanolamine oleate.
The present invention is exactly to do ultra-thin thick china using stalk fibre, and does not use any adhesive, does not discharge any first
Aldehyde；A large amount of waste straws, yield is big, and price is low；The ultra-thin thick china that at present country uses all is external import, if China is certainly
The main supply of material, reduces substantial amounts of outflow of foreign exchange etc., is really the environmental and ecological sheet material achieved many things at one stroke；Crop waste is utilized completely
Straw is raw material, does not cut down any trees woods, environmental protection, and the utilization of a large amount of straws has responded the taboo combustion taboo burning of government
Policy, obtains government and supports energetically；The whole sheet material process that makes is special by the fiber of wheat straw waste itself without any adhesive
Property and adhesive effect for carrying develop nonpoisonous and tasteless, formaldehydeless and product quality no less than the fibre board that timber makes；It is whole
Individual technique Making programme is simple, low cost, and market price is high, and profit margin is larger, deep to be favored by foreign customers；In the past without gluing
Agent makes sheet material the problems such as easily there is plate material lamination, low intensity, embrittlement, the moisture absorption, the advance of this technique be exactly without
On the basis of adhesive, the sheet material researched and developed also is not in the problems referred to above, and this is the innovation of whole sheet material industry.
Without any adhesive, completely by stalk fibre itself intertexture molding, and straw contains in itself one to the present invention
Adhesive is planted, this adhesive is discharged completely when fiber is made, straw carries adhesive and sends out when by hot pressing
Waving effect makes its more preferable gluing into plate, and such timber intensity height, good toughness, entirely without Form aldehyde release the advantages of；And this
Invention low cost, yield are big, and whole technique Making programme is simple.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can be with the premise of without departing from this patent objective
Various changes can be made.
Claims (4)
1. a kind of production method of ultra-thin straw veneer density board, it is characterised in that comprise the following steps that：
1）Wheat straw waste is passed through into chaffcutter（1）Uniform cut is carried out into the segment that length is 8-10cm；
2）Wheat straw waste segment passes through reaction warehouse（2）It is dipped in advance in alkalescence refinement agent solution and places 1-2h, medicinal liquid is fully permeated
To in straw so as to which cellulose, hemicellulose and lignin obtain abundant separated and dissolved；
3）By the refiner for integrating rubbing and pressure sub-wire（3）Wheat straw waste is carried out into wire-dividing broom purification, is refined into completely tiny
Threadiness, then fiber is transported to into sizing machine（4）On；The sizing machine（4）For gunite formula online, it is ensured that fiber aspect to
Index error is 1:1.1-1.5；
4）Pass through hot press again（5）It is hot-forming and dry, finally by facing machine（6）Sheet material after patch last layer melamine paper
Come out of the stove, the thickness of sheet material is 0.8-1mm.
2. the production method of ultra-thin straw veneer density board according to claim 1, it is characterised in that the alkalescence is refined
Agent includes according to the raw material of weight portion：Sodium hydroxide 20-40 parts, sodium tripolyphosphate 10-15 parts, anhydrous sodium metasilicate 20-30 parts,
Sodium resinate 3-5 parts, sodium alklyarylsulfonate 2-4 parts, alkylaryl polyalcohol ether 2-4 parts, triethanolamine oleate 1-3 parts.
3. the production method of ultra-thin straw veneer density board according to claim 2, it is characterised in that the alkalescence is refined
Agent includes according to the raw material of weight portion：Sodium hydroxide 25-35 parts, sodium tripolyphosphate 11-14 parts, anhydrous sodium metasilicate 22-28 parts,
Sodium resinate 3.5-4.5 parts, sodium alklyarylsulfonate 2.5-3.5 parts, alkylaryl polyalcohol ether 2.5-3.5 parts, oleic acid triethanolamine
Amine 1.5-2.5 parts.
4. according to the production method of the arbitrary described ultra-thin straw veneer density board of claim 2-3, it is characterised in that the alkali
Property extraction agent includes according to the raw material of weight portion：30 parts of sodium hydroxide, 12 parts of sodium tripolyphosphate, 25 parts of anhydrous sodium metasilicate, tree
4 parts of fat acid sodium, 3 parts of sodium alklyarylsulfonate, 3 parts of alkylaryl polyalcohol ether, 2 parts of triethanolamine oleate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710007521.3A CN106671243A (en) | 2017-01-05 | 2017-01-05 | Production method of ultrathin veneering straw fiberboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710007521.3A CN106671243A (en) | 2017-01-05 | 2017-01-05 | Production method of ultrathin veneering straw fiberboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106671243A true CN106671243A (en) | 2017-05-17 |
Family
ID=58849968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710007521.3A Pending CN106671243A (en) | 2017-01-05 | 2017-01-05 | Production method of ultrathin veneering straw fiberboard |
Country Status (1)
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| CN (1) | CN106671243A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110181639A (en) * | 2019-06-03 | 2019-08-30 | 济宁三联木业有限公司 | A kind of manufacturing method of environment-friendly type decoration panel |
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2017
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| CN101962272A (en) * | 2010-10-18 | 2011-02-02 | 福建农林大学 | Flame-retardant plant fiber construction heat-insulation wall material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110181639A (en) * | 2019-06-03 | 2019-08-30 | 济宁三联木业有限公司 | A kind of manufacturing method of environment-friendly type decoration panel |
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Application publication date: 20170517 |