CN110341001A - A kind of the impregnated bond paper facing glued board and its production technology of that resist warping deformation - Google Patents
A kind of the impregnated bond paper facing glued board and its production technology of that resist warping deformation Download PDFInfo
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- CN110341001A CN110341001A CN201910551762.3A CN201910551762A CN110341001A CN 110341001 A CN110341001 A CN 110341001A CN 201910551762 A CN201910551762 A CN 201910551762A CN 110341001 A CN110341001 A CN 110341001A
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- Prior art keywords
- slab
- plate
- cold
- bond paper
- impregnated bond
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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
-
- 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
- B27D1/06—Manufacture of central layers; Form of central layers
-
- 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
- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B21/042—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of wood
-
- 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
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/554—Wear resistance
-
- 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
- B32B2479/00—Furniture
Abstract
The invention discloses a kind of formaldehydeless releases, the impregnated bond paper facing glued board and its production technology of that resist warping deformation, the glued board includes plate core, middle plate, dash board and impregnated bond paper, production technology includes plate core production and plywood production, plywood production includes gluing, assembly, cold moudling, hot pressing, release, greasy tonic life, fixed thickness sanding, apply sticker dash board, cold moudling, hot pressing, sanding, saw side, overlay impregnated bond paper process, the invention solves kitchen in upholstery, the problem of cabinet door plate deformation, and the formaldehyde in sheet is to the harm problem of air pollution and human body.
Description
Technical field
The invention belongs to artificial board technology fields, and in particular to the dipping glue film that the formaldehydeless release of one kind, that resist warping deform
Paper veneered plywood production technology.
Background technique
Wood-based plate includes glued board, medium density fibre board (MDF), particieboard, hardboard etc., with wood-based plate secondary operation
Continuous improvement of the development and people of technology to quality of life, the demand of the face artificial board excellent to the quality of production are also mentioning
It is high.Glued board has a wide range of applications in furniture industry as one such wood-based plate, such as cabinet production, uses
Plate handled by simple facing or surface paint, realize decoration and practical value.
The glued board of current each plant produced is made into the kitchen of furniture, cabinet door plate is easy warpage because being influenced by ambient humidity
It deforms, causes the influence of shutdown imprecision to use beautiful with product, in addition engraving moulding burr is more on kitchen, cabinet door plate, injustice
It is whole, it is difficult to search out suitable material substitution.
In addition glued board currently on the market mostly uses urea-formaldehyde resin adhesive to produce, national standard " GB18580-2017
In indoor decorating and refurnishing materials wood-based plate and its product Form aldehyde release limit the quantity " although in provide minimum burst size in 0.124mg/
m3, but the real glued board produced still has Form aldehyde release and comes out, and influences human body health.
Summary of the invention
The technical problems to be solved by the present invention are: provide a kind of deformation of that resist warping impregnated bond paper facing glued board and
Its production technology, the invention solve the problems, such as the formaldehyde in kitchen in upholstery, cabinet door plate deformation and sheet to sky
The harm problem of gas pollution and human body.
The technical scheme adopted by the invention is that: a kind of impregnated bond paper facing glued board of that resist warping deformation, packet are provided
Rubbing board core, middle plate, dash board and impregnated bond paper, middle plate, dash board and the impregnated bond paper successively symmetrically stick in plate core
The veneer thickness of upper and lower surface, plate core and middle plate be 2.0-3.6mm, dash board with a thickness of 0.4-0.6mm, the moisture content of plate core is small
In 12%, for the moisture content of middle plate and dash board less than 18%, the burst size of methanal of impregnated bond paper is less than 0.3mg/L.The plate core,
Middle plate and dash board are poplar or press wooden.
A kind of production technology of the impregnated bond paper facing glued board of that resist warping deformation provided by the invention, including following step
It is rapid:
1) plate core produces:
1.1 gluings: plate core single plate double side is uniformly coated with no aldehyde adhesive, and glue-spread is 360-420g/ ㎡；
1.2 assemblies: forming slab according to the same direction of veneer wood grain, i.e., by rift grain or most of rift grain assembly, the thickness of slab
Degree is 42.0-60.0mm, keeps adjacent edge vertical, and book size is subject to the size of whole veneer；
1.3 cold pressings: by upper cold press after the slab organized storage 0-40min, 100- is cold-pressed under the pressure of 0.6-0.9 Mpa
150min, slab when cold pressing want uniform stressed, are conducive to plate blank molding, and the defect part after cold pressing on slab will be repaired；
1.4 hot pressing: by the slab after cold pressing by hot press, the hot pressing 50- under 105-125 DEG C, the pressure of 0.5-0.8Mpa
80min will prevent glue-line bad by heat ageing gluing；
1.5 releases: water vapour is discharged in slow release after hot pressing, prevents bubble plate, slab moisture control after cooling is within 14%；
1.6 fixed thick sandings: with the abrasive band of 40#-60# the sanding of slab two sides, keep the thickness of slab almost the same, be conducive to lower road work
The production of sequence；
1.7 lumber items: being cut into hot-pressing processing good slab the lath of equal thickness, and thickness exists in 10.0-22.0mm, length
400-600mm；Width 40-55mm；
1.8 shuttle toe joints are long: the lath both ends shuttle tooth cut out, the height of tooth is arrived in 8-12mm by shuttle tooth stave lengths spreading
The length needed；
1.9 jigsaw cores: it applies in lath two sides without aldehyde adhesive, coating weight 280-300g/m2, glue-coated lath is combined into plate
Base, book size reserve edge reduction rate according to processing needs, and the shuttle tooth on lath is interlaced；
1.10 plate core hot pressing: 130-140 DEG C of hot pressing temperature, hot pressing time 3-6min, hot pressing pressure 0.1-0.2Mpa, side pressure pressure
0.1-0.2Mpa.It is pressed into required plate core；
2) plywood production:
2.1 double spreads: no aldehyde adhesive is coated in the plate core double-faced uniform of selection, glue-spread is 440-500g/ ㎡；
2.2 assemblies: middle plate wood grain and plate core wood grain vertical interlaced form slab, and thickness keeps adjacent edge to hang down from 15mm-50.0mm
Directly, book size determines as needed；
2.3 cold moudlings: upper cold press after the slab organized storage 0-40min is cold-pressed under the pressure of 0.6-0.9Mpa
100-150min, slab when cold pressing want uniform stressed, are conducive to plate blank molding, and the defect part after cold pressing on slab will be repaired
It mends；
2.4 hot pressing: by the slab after cold pressing by hot press, under 115-130 DEG C, the pressure of 0.7-1Mpa, hot pressing 15-
25min；Prevent glue-line bad by heat ageing gluing；
2.5 releases: wanting slow release when release, water vapour is discharged, and prevents bubble plate, after release the moisture control of slab 12% with
It is interior；
2.6 greasy tonic lifes: the slab after hot pressing fills up gap and hole with putty, the 4-6 days time of health；
2.7 fixed thick sandings: with the abrasive band of 40#-60# the sanding of slab two sides, make plate face is smooth to be easy to facing processing, paying attention to cannot
There is ripple glaze phenomenon；
2.8 apply sticker dash board: carrying out two-sided painting without aldehyde adhesive in the good slab of above-mentioned sanding, glue-spread 360-420g/ ㎡ is applied
Glue must be uniform；
2.9 cold moudlings: cold under the pressure of 0.6-0.7Mpa by upper cold press after the slab storage 0-40min for posting dash board
60-90min is pressed, slab when cold pressing wants uniform stressed, is conducive to plate blank molding；
2.10 hot pressing: by the slab after cold pressing by hot press, under 115-120 DEG C, the pressure of 0.7-1Mpa, hot pressing 10-
The 15min time will prevent glue-line bad by heat ageing gluing；
2.11 sandings, saw side: it is skimmed the burr and injustice of plate face with the abrasive band of 120#-180#, keeps plate face smooth bright and clean, with benefit
In overlay film veneer, the flash sanction of slab is gone with edge cutting machine, is sawn into required book size；
2.12 overlay impregnated bond paper: preprepared impregnated bond paper being placed in above-mentioned slab one side, tiling dipping glue
Film paper, is put into hot press, and 6-9min is maintained under conditions of 115-135 DEG C of temperature, pressure 0.8-1.1Mpa, repeats above-mentioned step
Suddenly, the impregnated bond paper of slab another side is overlayed.
As the preferred of the technical program, the step 1.1 and 2.8 without aldehyde adhesive is Aqueous Adhesives, preparation
Technique is: taking solid content is that 100 parts by weight of aromatic waterborne polyurethane of 36-38% add under the revolving speed of 300-500r/min
Enter the flour of the protein of 35 parts by weight and the powder mixture of minerals, 15-18 parts by weight, is uniformly mixed and obtains.
As the preferred of the technical program, the step 1.9 is Aqueous Adhesives, preparation process without aldehyde adhesive
Be: taking a certain amount of solid content is the aromatic waterborne polyurethane of 30-40%, and under the revolving speed of 300-500r/min, aromatic series is added
The protein of aqueous polyurethane weight 10% and the powder mixture of minerals are uniformly mixed and obtain.
As the preferred of the technical program, it is 28-33%'s with solid content that the dash board in the step 2.8, which is bleaching poplar dash board,
Amine saline solution is spraying treatment, dosage 30-50g/m2, even spraying, processing in 2-4 days in advance.
Compared to the prior art the present invention has the advantage that
(1) the formaldehydeless release of product, Form aldehyde release detection values are that ND is < 0.1mg/L, are other similar productions currently on the market
The limit value that product are unable to reach.
(2) stable structure of production board, plate core are that lvl integrates plate, are made into kitchen, cabinet door plate not buckling deformation, side is held
Screw power is strong.
(3) plate face can carve moulding, phozy thorn.
(4) impregnated bond paper facing, pattern is numerous, adapts to the demand of different age group crowd, surface abrasion resistance, anti-pollution.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of plate core assembly of the invention.
Fig. 2 is the schematic diagram of plate core lath shuttle tooth.
Fig. 3 is the structural schematic diagram of plate core layout.
Fig. 4 is glued board assembly structural schematic diagram.
In figure, 1, plate core, 2, middle plate, 3, dash board, 4, impregnated bond paper.
Specific embodiment
The present invention is described in detail below in conjunction with drawings and examples.
As shown in Figure 1 to 4, a kind of impregnated bond paper facing glued board of that resist warping deformation of the present invention, including plate core 1,
Middle plate 2, dash board 3 and impregnated bond paper 4, middle plate 2, dash board 3 and impregnated bond paper 4 successively symmetrically stick in up and down the two of plate core 1
Face, i.e., be on the upper and lower surface of plate core in plate 2 stick in plate core 1, dash board 3 sticks in middle plate 2, and impregnated bond paper 4 is pasted
In dash board 3, the veneer thickness of plate core 1 and middle plate 2 is 2.0-3.6mm, dash board 3 with a thickness of 0.4-0.6mm, plate core 1 it is aqueous
Rate is less than 12%, and for the moisture content of middle plate 2 and dash board 3 less than 18%, the burst size of methanal of impregnated bond paper 4 is less than 0.3mg/L, plate core
1, middle plate 2 and dash board 3 are poplar or press wooden.
A kind of production technology of the impregnated bond paper facing glued board of that resist warping deformation provided by the invention, including following step
It is rapid:
1) plate core produces:
1.1 gluings: plate core single plate double side is uniformly coated with no aldehyde adhesive, and glue-spread is 360-420g/ ㎡, and no aldehyde adhesive is
Aqueous Adhesives, preparation process are: taking solid content is 100 parts by weight of aromatic waterborne polyurethane of 36-38%, in 3-500r/
Under the revolving speed of min, the flour of the protein of 35 parts by weight and the powder mixture of minerals, 15-18 parts by weight, mixing is added
Uniformly obtain.
1.2 assemblies: slab, i.e., the shape of the wood grain for the veneer mutually pasted, side are formed according to the same direction of veneer wood grain
To identical, slab with a thickness of 42.0-60.0mm, keep adjacent edge vertical, book size is subject to the size of whole veneer；
1.3 cold pressings: by upper cold press after the slab organized storage 0-40min, 100- is cold-pressed under the pressure of 0.6-0.9 Mpa
150min, slab when cold pressing want uniform stressed, are conducive to plate blank molding, and the defect part after cold pressing on slab will be repaired；
1.4 hot pressing: by the slab after cold pressing by hot press, the hot pressing 50- under 105-125 DEG C, the pressure of 0.5-0.8Mpa
80min will prevent glue-line bad by heat ageing gluing；
1.5 releases: water vapour is discharged in slow release after hot pressing, prevents bubble plate, slab moisture control after cooling is within 14%；
1.6 fixed thick sandings: with the abrasive band of 40#-60# the sanding of slab two sides, keep the thickness of slab almost the same, be conducive to lower road work
The production of sequence；
1.7 lumber items: being cut into hot-pressing processing good slab the lath of equal thickness, and thickness exists in 10.0-22.0mm, length
400-600mm；Width 40-55mm；
1.8 shuttle toe joints are long: the lath both ends shuttle tooth cut out, the height of tooth is arrived in 8-12mm by shuttle tooth stave lengths spreading
The length needed；
1.9 jigsaw cores: it applies in lath two sides without aldehyde adhesive, coating weight 280-300g/m2, glue-coated lath is combined into plate
Base, book size reserve edge reduction rate, the shuttle tooth on lath is interlaced, and no aldehyde adhesive is aqueous according to processing needs
Adhesive, preparation process are: taking a certain amount of solid content is the aromatic waterborne polyurethane of 30-40%, 300-500r/min's
Under revolving speed, the protein of aromatic waterborne polyurethane weight 10% and the powder mixture of minerals is added, is uniformly mixed and makes
?.
1.10 plate core hot pressing: 130-140 DEG C of hot pressing temperature, hot pressing time 3-6min, hot pressing pressure 0.1-0.2Mpa, side pressure
Pressure 0.1-0.2Mpa.It is pressed into required plate core；
2) plywood production:
2.1 double spreads: no aldehyde adhesive is coated in 1 double-faced uniform of plate core of selection, glue-spread is 440-500g/ ㎡, no aldehyde
Adhesive is Aqueous Adhesives, and preparation process is: taking solid content is 100 parts by weight of aromatic waterborne polyurethane of 36-38%,
Under the revolving speed of 300-500r/min, the protein of 35 parts by weight and powder mixture, the 15-18 parts by weight of minerals is added
Flour, be uniformly mixed obtain.
2.2 assemblies: middle 2 wood grain of plate and 1 wood grain vertical interlaced of plate core form slab, and thickness keeps phase from 15mm-50.0mm
Adjacent side is vertical, and book size determines as needed；
2.3 cold moudlings: upper cold press after the slab organized storage 0-40min is cold-pressed under the pressure of 0.6-0.9Mpa
100-150min, slab when cold pressing want uniform stressed, are conducive to plate blank molding, and the defect part after cold pressing on slab will be repaired
It mends；
2.4 hot pressing: by the slab after cold pressing by hot press, under 115-130 DEG C, the pressure of 0.7-1Mpa, hot pressing 15-
25min；Prevent glue-line bad by heat ageing gluing；
2.5 releases: wanting slow release when release, water vapour is discharged, and prevents bubble plate, after release the moisture control of slab 12% with
It is interior；
2.6 greasy tonic lifes: the slab after hot pressing fills up gap and hole with putty, the 4-6 days time of health；
2.7 fixed thick sandings: with the abrasive band of 40#-60# the sanding of slab two sides, make plate face is smooth to be easy to facing processing, paying attention to cannot
There is ripple glaze phenomenon；
2.8 apply sticker dash board: carrying out two-sided painting without aldehyde adhesive in the good slab of above-mentioned sanding, glue-spread 360-420g/ ㎡ is applied
Glue must be uniform, and no aldehyde adhesive is Aqueous Adhesives, and preparation process is: taking the aromatic waterborne that solid content is 36-38% poly-
100 parts by weight of urethane, under the revolving speed of 3-500r/min, be added 35 parts by weight protein and minerals powder mixture,
The flour of 15-18 parts by weight is uniformly mixed and obtains；Dash board is bleaching poplar dash board, the amine salt for being 28-33% with solid content
Aqueous solution is spraying treatment, dosage 30-50g/m2, even spraying, processing in 2-4 days in advance, this purpose is in bond paper hot pressing
In formaldehyde in bond paper is reacted.
2.9 cold moudlings: by upper cold press after the slab storage 0-40min for posting dash board, in the pressure of 0.6-0.7Mpa
Lower cold pressing 60-90min, slab when cold pressing want uniform stressed, are conducive to plate blank molding；
2.10 hot pressing: by the slab after cold pressing by hot press, under 115-120 DEG C, the pressure of 0.7-1Mpa, hot pressing 10-
The 15min time will prevent glue-line bad by heat ageing gluing；
2.11 sandings, saw side: it is skimmed the burr and injustice of plate face with the abrasive band of 120#-180#, keeps plate face smooth bright and clean, with benefit
In overlay film veneer, the flash sanction of slab is gone with edge cutting machine, is sawn into required book size；
2.12 overlay impregnated bond paper: preprepared impregnated bond paper 4 being placed in above-mentioned slab one side, tiling dipping glue
Film paper 4, is put into hot press, and 6-9min is maintained under conditions of 115-135 DEG C of temperature, pressure 0.8-1.1Mpa, repeats above-mentioned
Step overlays the impregnated bond paper of slab another side.
The embodiments of the present invention have been described in detail above, but content is only the preferred embodiment of the present invention, cannot
It is believed to be used to limit the scope of the invention.All changes and improvements made in accordance with the scope of the present invention should all still return
Belong within this patent covering scope.
Claims (6)
1. a kind of impregnated bond paper facing glued board of that resist warping deformation, it is characterised in that: including plate core, middle plate, dash board and leaching
Stain bond paper, middle plate, dash board and the impregnated bond paper successively symmetrically stick in the upper and lower surface of plate core, plate core and middle plate
Veneer thickness is 2.0-3.6mm, dash board with a thickness of 0.4-0.6mm, less than 12%, middle plate and dash board contain the moisture content of plate core
For water rate less than 18%, the burst size of methanal of impregnated bond paper is less than 0.3mg/L.
2. the impregnated bond paper facing glued board of that resist warping deformation according to claim 1, it is characterised in that: the plate
Core, middle plate and dash board are poplar or press wooden.
3. a kind of production technology of the impregnated bond paper facing glued board of that resist warping deformation as described in claim 1, feature
Be the following steps are included:
1) plate core produces:
1.1 gluings: plate core single plate double side is uniformly coated with no aldehyde adhesive, and glue-spread is 360-420g/ ㎡；
1.2 assemblies: forming slab according to the same direction of veneer wood grain, slab with a thickness of 42.0-60.0mm, keep adjacent edge
Vertically, book size is subject to the size of whole veneer；
1.3 cold pressings: by upper cold press after the slab organized storage 0-40min, 100- is cold-pressed under the pressure of 0.6-0.9 Mpa
150min, slab when cold pressing want uniform stressed, are conducive to plate blank molding, and the defect part after cold pressing on slab will be repaired；
1.4 hot pressing: by the slab after cold pressing by hot press, the hot pressing 50- under 105-125 DEG C, the pressure of 0.5-0.8Mpa
80min will prevent glue-line bad by heat ageing gluing；
1.5 releases: water vapour is discharged in slow release after hot pressing, prevents bubble plate, slab moisture control after cooling is within 14%；
1.6 fixed thick sandings: with the abrasive band of 40#-60# the sanding of slab two sides, keep the thickness of slab almost the same, be conducive to lower road work
The production of sequence；
1.7 lumber items: being cut into hot-pressing processing good slab the lath of equal thickness, and thickness exists in 10.0-22.0mm, length
400-600mm；Width 40-55mm；
1.8 shuttle toe joints are long: the lath both ends shuttle tooth cut out, the height of tooth is arrived in 8-12mm by shuttle tooth stave lengths spreading
The length needed；
1.9 jigsaw cores: it applies in lath two sides without aldehyde adhesive, coating weight 280-300g/m2, glue-coated lath is combined into plate
Base, book size reserve edge reduction rate according to processing needs, and the shuttle tooth on lath is interlaced；
1.10 plate core hot pressing: 130-140 DEG C of hot pressing temperature, hot pressing time 3-6min, hot pressing pressure 0.1-0.2Mpa, side pressure pressure
0.1-0.2Mpa is pressed into required plate core；
2) plywood production:
2.1 double spreads: no aldehyde adhesive is coated in the plate core double-faced uniform of selection, glue-spread is 440-500g/ ㎡；
2.2 assemblies: middle plate wood grain and plate core wood grain vertical interlaced form slab, and thickness keeps adjacent edge to hang down from 15mm-50.0mm
Directly,
Book size determines as needed；
2.3 cold moudlings: upper cold press after the slab organized storage 0-40min is cold-pressed under the pressure of 0.6-0.9Mpa
100-150min, slab when cold pressing want uniform stressed, are conducive to plate blank molding, and the defect part after cold pressing on slab will be repaired
It mends；
2.4 hot pressing: by the slab after cold pressing by hot press, under 115-130 DEG C, the pressure of 0.7-1Mpa, hot pressing 15-
25min；Prevent glue-line bad by heat ageing gluing；
2.5 releases: wanting slow release when release, water vapour is discharged, and prevents bubble plate, after release the moisture control of slab 12% with
It is interior；
2.6 greasy tonic lifes: the slab after hot pressing fills up gap and hole with putty, the 4-6 days time of health；
2.7 fixed thick sandings: with the abrasive band of 40#-60# the sanding of slab two sides, make plate face is smooth to be easy to facing processing, paying attention to cannot
There is ripple glaze phenomenon；
2.8 apply sticker dash board: carrying out two-sided painting without aldehyde adhesive in the good slab of above-mentioned sanding, glue-spread 360-420g/ ㎡ is applied
Glue must be uniform；
2.9 cold moudlings: cold under the pressure of 0.6-0.7Mpa by upper cold press after the slab storage 0-40min for posting dash board
60-90min is pressed, slab when cold pressing wants uniform stressed, is conducive to plate blank molding；
2.10 hot pressing: by the slab after cold pressing by hot press, under 115-120 DEG C, the pressure of 0.7-1Mpa, hot pressing 10-
The 15min time will prevent glue-line bad by heat ageing gluing；
2.11 sandings, saw side: it is skimmed the burr and injustice of plate face with the abrasive band of 120#-180#, keeps plate face smooth bright and clean, with benefit
In overlay film veneer, the flash sanction of slab is gone with edge cutting machine, is sawn into required book size；
2.12 overlay impregnated bond paper: preprepared impregnated bond paper being placed in above-mentioned slab one side, tiling dipping glue
Film paper, is put into hot press, and 6-9min is maintained under conditions of 115-135 DEG C of temperature, pressure 0.8-1.1Mpa, repeats above-mentioned step
Suddenly, the impregnated bond paper of slab another side is overlayed.
4. the production technology of the impregnated bond paper facing glued board of that resist warping deformation according to claim 3, feature exist
It is Aqueous Adhesives without aldehyde adhesive in: the step 1.1 and 2.8, preparation process is: taking solid content is the virtue of 36-38%
The protein and minerals of 35 parts by weight is added under the revolving speed of 300-500r/min in fragrant 100 parts by weight of race's aqueous polyurethane
The flour of powder mixture, 15-18 parts by weight is uniformly mixed and obtains.
5. the production technology of the impregnated bond paper facing glued board of that resist warping deformation according to claim 3, feature exist
In: the step 1.9 is Aqueous Adhesives without aldehyde adhesive, and preparation process is: taking a certain amount of solid content is 30-40%
Aromatic waterborne polyurethane, under the revolving speed of 300-500r/min, be added aromatic waterborne polyurethane weight 10% protein and
The powder mixture of minerals is uniformly mixed and obtains.
6. the production technology of the impregnated bond paper facing glued board of that resist warping deformation according to claim 3, feature exist
In: the dash board in the step 2.8 is bleaching poplar dash board, and the amine saline solution for being 28-33% with solid content does spraying place
Reason, dosage 30-50g/m2, even spraying, processing in 2-4 days in advance.
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