CN110154194A - Without the fire-retardant timber manufacturing method of urea formaldehyde dipping decorative paper veneer MULTILAYER COMPOSITE - Google Patents
Without the fire-retardant timber manufacturing method of urea formaldehyde dipping decorative paper veneer MULTILAYER COMPOSITE Download PDFInfo
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- CN110154194A CN110154194A CN201910477763.8A CN201910477763A CN110154194A CN 110154194 A CN110154194 A CN 110154194A CN 201910477763 A CN201910477763 A CN 201910477763A CN 110154194 A CN110154194 A CN 110154194A
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- veneer
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- 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
-
- 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
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
- B27M1/08—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by multi-step processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
- B27M3/18—Manufacture or reconditioning of specific semi-finished or finished articles of furniture or of doors
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
- D21H17/57—Polyureas; Polyurethanes
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Veneer Processing And Manufacture Of Plywood (AREA)
Abstract
The invention discloses no fire-retardant timber manufacturing methods of urea formaldehyde dipping decorative paper veneer MULTILAYER COMPOSITE, belong to wood-based panel product processing technique field, using no aldehyde adhesive and several layers veneer composite flame-proof timber, including veneer flame retardant treatment, veneer drying processing, then it is applied by veneer and is combined into slab without aldehyde adhesive, it is handled using hot-forming and post-production, then using Overlaying process is carried out to fire-retardant timber again after no urea formaldehyde and facing paper dipping, storage is detected after flexible pressurizing is compound and room temperature is cooling.The present invention solves the problems, such as free formaldehyde while improving timber incrustation performance fire-retardant without aldehyde glue MULTILAYER COMPOSITE, improves indoor environmental quality by using no aldehyde adhesive composite multi-layer veneer and by using no urea formaldehyde dipping decorative paper.
Description
Technical field
The present invention relates to a kind of timber manufacturing methods, multiple more particularly to a kind of no urea formaldehyde dipping decorative paper veneer multilayer
Fire-retardant timber manufacturing method is closed, wood-based panel product processing technique field is belonged to.
Background technique
Future after several years, world community are all conferring how to work out a new rule, this new economic system
The mode of low-carbon economy development is had to comply with, carbon emission becomes the new mark that enterprise product quality is measured in an international market in the future
It is quasi-.In terms of green low-carbon, artificial board enterprise has deeper thoughts and feelings to this, and the green of artificial board enterprise, low-carbon will be the following hairs
The precondition of exhibition.
The multilayer single plate composite flame-proof timber adhesive of interior decoration at present is mainly the Lauxite containing formaldehyde, three
, there is free formaldehyde in cymel etc., have certain influence to the health of consumer.In addition, with inferior log or speed
Raw tree species are the multilayer single plate Combined wooden door of raw material production, and surface detail is dull, can be impregnated using different type synthetic resin
Facing paper veneer aesthetic appeal covers its segmental defect, improves use value.But synthetic resin dipping decorative paper is mainly adopted
Contain a small amount of formaldehyde with melamine-impregnated resin, also there is the problem of a small amount of free formaldehyde.
Formaldehyde is a kind of colourless strong excitatory gas, is determined as carcinogenic by World Health Organization and causes deformed material.It is long
Phase contact low dosage formaldehyde can cause chronic respiratory disease, lead to nasopharyngeal carcinoma, brain tumor, pregnant syndrome, newborn's chromosome
The serious health problem such as exception, leukaemia.Studies have shown that Formaldehyde Pollution of Indoor Air is used in furniture, decoration etc.
Formaldehyde base adhesive and coating, and the acquisition time of its contained formaldehyde be up to 3 years~15 years as long as, seriously affect our health
Life.Due to the adhesive of timber --- formaldehyde base adhesive is the basic reason for causing interior decoration decoration pollution, raw
Produce that and service performance is more preferable, burst size of methanal is low or completely formaldehydeless adhesive will be the fundamental way of solution this problem.
If producing multilayer single plate composite flame-proof timber without aldehyde adhesive using isocyanates, formaldehydeless bean gum etc., utilize
Overlaying process is carried out to no aldehyde glue multilayer single plate composite flame-proof timber again after no urea formaldehyde and facing paper are compound, one kind will be produced
The fire-retardant timber of novel non-formaldehyde MULTILAYER COMPOSITE is of great significance for improving indoor environmental quality.
Summary of the invention
The main object of the present invention is to provide for a kind of fire-retardant timber of no urea formaldehyde dipping decorative paper veneer MULTILAYER COMPOSITE
Then manufacturing method is passed through by using no aldehyde adhesive composite multi-layer veneer and by using no urea formaldehyde dipping decorative paper
Facing paper and timber carry out Overlaying process, and trip is solved while improving timber incrustation performance fire-retardant without aldehyde glue MULTILAYER COMPOSITE
The problem of from formaldehyde, improves indoor environmental quality.
What the present invention included manufactures without the fire-retardant timber of aldehyde glue MULTILAYER COMPOSITE, comprises the steps of:
(1) veneer flame retardant treatment
(2) veneer drying is handled
By being dried, Veneer moisture is made to reach 8%-12%.
(3) veneer gluing
Formaldehydeless bean gum is selected, bean gum solid content is 26-30%, and pH value 2.5-3.5 is measured using rotary viscosimeter
Viscosity is 4000-4500mPa.S, and double-sided adhesive liquid glue glue-spread is controlled in 350-450g/m2, in order to keep mat moisture content quick
It reduces, the method that hot precompressed can be used.Moreover, hot pre-pressing process can be omitted drying machine dried single board in conjunction with air drying
Process.Hot preloading method can use contact heating method, can also use high-frequency heating method.Contact heating precompressed
Pressure be 0.2-0.3MPa, hot 90-105 DEG C of precompressed temperature, hot squeeze time is according to slab thickness and mat moisture content
Variation determines.
(4) hot pressing
The hot pressing temperature of no aldehyde poplar plywood is 140-160 DEG C, pressure 1.2-1.5MPa, and hot pressing time is controlled in 1.0-
1.6min/mm (slab thickness).
(5) post-production
What the present invention included manufactures without urea formaldehyde dipping decorative paper, comprises the steps of:
(1) quantification of 70-140g/m2 facing paper is selected；
(2) facing paper is immersed without in aldehyde polyurethane resin, its resin content is made to reach 60%-100%；
(3) polyurethane resin dipping decorative paper is put into baking oven at 50 DEG C -100 DEG C to be dried 5-10 minutes, makes it
Residual volatile component reaches 5-10%.
The fire-retardant timber Overlaying process of the MULTILAYER COMPOSITE that the present invention includes, comprises the steps of:
(1) without the fire-retardant timber sanding surface of aldehyde glue MULTILAYER COMPOSITE；
(2) by after drying process polyurethane resin dipping decorative paper and sanding after without the fire-retardant timber of aldehyde glue MULTILAYER COMPOSITE
Flexible pressurizing 10--30 minutes after assembly, pressure 0.1-0.3MPa；
(3) cooling without the compound rear room temperature of the fire-retardant timber pressurization of urea formaldehyde dipping decorative paper veneer MULTILAYER COMPOSITE, it detects afterwards for 24 hours
Storage.
Surface bonding intensity without the fire-retardant timber of urea formaldehyde dipping decorative paper veneer MULTILAYER COMPOSITE of the invention >=
0.60MPa。
The purpose of the present invention can reach by using following technical solution:
Without the fire-retardant timber manufacturing method of urea formaldehyde dipping decorative paper veneer MULTILAYER COMPOSITE, using no aldehyde adhesive and several layers
Veneer composite flame-proof timber, then using Overlaying process is carried out to fire-retardant timber again after no urea formaldehyde and facing paper dipping, through soft
Property pressurization compound and room temperature cooling form.
In any of the above-described scheme preferably, the process of the no aldehyde adhesive and several layers veneer composite flame-proof timber
Include the following steps:
Step 1.1, veneer flame retardant treatment, including sprayed fire proofing agent, waterglass immersion and vacuum pressed；
Step 1.2, veneer drying processing make Veneer moisture reach 8%-12% by being dried；
Step 1.3, veneer are applied without aldehyde adhesive, are combined into slab；
Step 1.4, hot pressing；
Step 1.5, post-production.
In any of the above-described scheme preferably, the method for the hot pressing includes hot precompressed and air drying method, the heat
Preloading method includes contact heating and high-frequency heating, and the contact heating preload pressure is 0.2-0.3MPa, hot precompressed temperature
90-105 DEG C of degree, hot squeeze time are 1.0-1.6min/mm.
In any of the above-described scheme preferably, the post-production includes release, burr removing and school inspection, the release
Time be twice or more of hot pressing time, after release it is naturally slow is depressed into it is 48 hours few, the standard that the school is examined include size,
Weight and moisture content.
In any of the above-described scheme preferably, the process of the no urea formaldehyde and facing paper dipping are as follows: by quantification of 70-
The facing paper of 140g/ ㎡ is immersed without in urea formaldehyde, and resin content 60%-100% is decorated after then impregnating without urea formaldehyde
Paper is put into baking oven and is dried 5-10 minutes at 50 DEG C -100 DEG C, makes its residual volatile component 5-10%.
In any of the above-described scheme preferably, the process of the Overlaying process includes the following steps:
Step 3.1, will without aldehyde adhesive and several layers veneer it is compound after fire-retardant timber sanding surface；
Step 3.2, will without urea formaldehyde and facing paper dipping after be dried, then with the fire-retardant timber group after sanding
Flexible pressurizing 10-30 minutes after base, pressure 0.1-0.3MPa；
Room temperature is cooling after step 3.3, pressurization are compound, and detection is put in storage afterwards for 24 hours.
In any of the above-described scheme preferably, the no aldehyde adhesive includes isocyanates and formaldehydeless bean gum, described
The bean gum solid content of formaldehydeless bean gum is 26-30%, pH value 2.5-3.5, uses rotary viscosimeter measurement viscosity for 4000-
4500mPa.S, double-sided adhesive liquid glue glue-spread are controlled in 350-450g/ ㎡.
In any of the above-described scheme preferably, the no urea formaldehyde includes polyurethane resin, impregnates and fills in no urea formaldehyde
Preservative and fireproof agent are added during adoring paper.
In any of the above-described scheme preferably, after Overlaying process, the surface bonding intensity of the fire-retardant timber of facing paper veneer
≥0.60MPa。
Advantageous effects of the invention: the fire-retardant wood of no urea formaldehyde dipping decorative paper veneer MULTILAYER COMPOSITE provided by the invention
Door manufacture method can by using no aldehyde adhesive composite multi-layer veneer and by using no urea formaldehyde dipping decorative paper
Free formaldehyde is reduced, then decorated paper and timber carry out Overlaying process, solve with inferior log or the quick growing species of trees to be that raw material is raw
The multilayer single plate Combined wooden door of production, the problem of surface detail dullness, makes veneer aesthetic appeal, covers its segmental defect, and raising makes
With value, therefore free formaldehyde is solved the problems, such as while improving timber incrustation performance fire-retardant without aldehyde glue MULTILAYER COMPOSITE,
Improve indoor environmental quality.
Detailed description of the invention
Fig. 1 is the one of the manufacturing method of the fire-retardant timber of no urea formaldehyde dipping decorative paper veneer MULTILAYER COMPOSITE according to the invention
Preferred embodiment manufactures schematic diagram.
In figure: 1.1- veneer flame retardant treatment, the processing of 1.2- veneer drying, 1.3- veneer apply without aldehyde adhesive, are combined into plate
Base, 1.4- hot pressing, 1.5- post-production；
2.1- facing paper is immersed without urea formaldehyde, and 2.2- is dried；
3.1- timber sanding surface, flexible pressurizing after 3.2- assembly, room temperature is cooling after 3.3- pressurization is compound.
Specific embodiment
To make the more clear and clear technical solution of the present invention of those skilled in the art, below with reference to examples and drawings
The present invention is described in further detail, and embodiments of the present invention are not limited thereto.
The embodiment of the present invention one:
A kind of no fire-retardant timber manufacturing method of urea formaldehyde dipping decorative paper veneer MULTILAYER COMPOSITE provided by the invention, using nothing
Aldehyde adhesive and several layers veneer composite flame-proof timber, after then utilizing no urea formaldehyde and facing paper to impregnate again to fire-retardant timber into
Row Overlaying process, through flexible pressurizing is compound and room temperature cooling forms, manufacture craft is simple, hinders improving without aldehyde glue MULTILAYER COMPOSITE
Free formaldehyde is solved the problems, such as while firebrand door incrustation performance, improves indoor environmental quality.
Further, in the present embodiment, the process of no aldehyde adhesive and several layers veneer composite flame-proof timber includes such as
Lower step:
Step 1.1, veneer flame retardant treatment, including sprayed fire proofing agent, waterglass immersion and vacuum pressed；
Step 1.2, veneer drying processing make Veneer moisture reach 8%-12% by being dried；
Step 1.3, veneer are applied without aldehyde adhesive, are combined into slab；No aldehyde adhesive includes isocyanates and formaldehydeless beans
Glue, the bean gum solid content of formaldehydeless bean gum are 26-30%, pH value 2.5-3.5, use rotary viscosimeter measurement viscosity for
4000-4500mPa.S, double-sided adhesive liquid glue glue-spread are controlled in 350-450g/ ㎡.
Step 1.4, hot pressing；It is reduced to make mat moisture content quickly, using the method for hot precompressed, moreover, hot precompressed work
The process that skill can be omitted drying machine dried single board in conjunction with air drying, hot preloading method can use contact heating side
Method, can also use high-frequency heating method, and the pressure of contact heating precompressed is 0.2-0.3MPa, hot precompressed temperature 90-105
DEG C, hot squeeze time is determined according to the variation of slab thickness and mat moisture content, the present embodiment preferably without aldehyde poplar plywood,
Hot pressing temperature is 140-160 DEG C, pressure 1.2-1.5MPa, and in 1.0-1.6min/mm, (mm is that slab is thick herein for hot pressing time control
Degree).
Step 1.5, post-production, including release, burr removing and school inspection, time of release be twice of hot pressing time with
On, naturally slow after release to be depressed into 48 hours less, the standard of school inspection includes size, weight and moisture content.
Further, in the present embodiment, the process of no urea formaldehyde and facing paper dipping are as follows: by quantification of 70-140g/ ㎡
Facing paper immerse without in urea formaldehyde, then resin content 60%-100% will be put into without facing paper after urea formaldehyde dipping
Baking oven is dried 5-10 minutes at 50 DEG C -100 DEG C, makes its residual volatile component 5-10%.
Further, in the present embodiment, the process of Overlaying process includes the following steps:
Step 3.1, will without aldehyde adhesive and several layers veneer it is compound after fire-retardant timber sanding surface；
Step 3.2, will without urea formaldehyde and facing paper dipping after be dried, then with the fire-retardant timber group after sanding
Flexible pressurizing 10-30 minutes after base, pressure 0.1-0.3MPa；
Wherein, no urea formaldehyde includes polyurethane resin, during no urea formaldehyde dipping decorative paper add preservative and
Fireproof agent；
Room temperature is cooling after step 3.3, pressurization are compound, and detection is put in storage afterwards for 24 hours；After Overlaying process, the fire-retardant wood of facing paper veneer
Surface bonding intensity >=0.60MPa of door.
The embodiment of the present invention two:
As shown in Figure 1, the no fire-retardant timber manufacturer of urea formaldehyde dipping decorative paper veneer MULTILAYER COMPOSITE provided in this embodiment
Method is right again after then utilizing no urea formaldehyde to impregnate with facing paper using no aldehyde adhesive and several layers veneer composite flame-proof timber
Fire-retardant timber carries out Overlaying process, compound through flexible pressurizing and room temperature cooling forms.
As shown in Figure 1, further, the process of no aldehyde adhesive and several layers veneer composite flame-proof timber includes following step
It is rapid:
Step 1.1 --- veneer flame retardant treatment, including sprayed fire proofing agent --- waterglass impregnate and vacuum pressed；
Step 1.2 --- veneer drying processing makes Veneer moisture reach 8%-12% by being dried；
Step 1.3 --- veneer is applied without aldehyde adhesive, is combined into slab；
Step 1.4 --- hot pressing；
Step 1.5 --- post-production.
Preferably, the method for hot pressing includes hot preloading method and air drying method, hot preloading method include contact heating and
High-frequency heating, contact heating preload pressure are 0.2-0.3MPa, and hot 90-105 DEG C of precompressed temperature, hot squeeze time is 1.0-
1.6min/mm。
Further, post-production includes release, room temperature cooling, burr removing and school inspection；When the time of release is hot pressing
Between twice or more, slow is depressed into is lacked 48 hours naturally after release；
School inspection is contained using standard: ± 4 ㎜ of length and width dimensions --- and ± 1.5 ㎜ of thickness --- ± 2 ㎜ of diagonal line --- quality ±
0.5kg --- moisture content 8% ± 1.
As shown in Figure 1, the process without urea formaldehyde and facing paper dipping includes following two step:
Step 2.1 --- the facing paper of quantification of 70-140g/ ㎡ is immersed without in urea formaldehyde, resin content 60%-
100%；
Step 2.2 --- be dried: it is dry at 50 DEG C-100 DEG C to be put into baking oven for facing paper after impregnating without urea formaldehyde
Processing 5-10 minutes, makes its residual volatile component 5-10%.
As shown in Figure 1, it is further preferred that the process of Overlaying process includes the following steps:
Step 3.1 --- it will be without the compound rear fire-retardant timber sanding surface of aldehyde adhesive and several layers veneer；
Step 3.2 --- flexible pressurizing after assembly: will without urea formaldehyde and facing paper dipping after be dried, then with
Flexible pressurizing 10-30 minutes after fire-retardant timber assembly after sanding, pressure 0.1-0.3MPa；
Step 3.3 --- room temperature is cooling after pressurization is compound, and detection is put in storage afterwards for 24 hours.
It is further preferred that including isocyanates and formaldehydeless bean gum without aldehyde adhesive, the bean gum of formaldehydeless bean gum contains admittedly
Amount is 26-30%, pH value 2.5-3.5, uses rotary viscosimeter measurement viscosity for 4000-4500mPa.S, double-sided adhesive liquid
Glue glue-spread is controlled in 350-450g/ ㎡.
It is further preferred that including polyurethane resin without urea formaldehyde, added during no urea formaldehyde dipping decorative paper
Preservative and fireproof agent.
It is further preferred that after Overlaying process, surface bonding intensity >=0.60MPa of the fire-retardant timber of facing paper veneer.
What the present embodiment used includes isocyanates without aldehyde adhesive, and what the present embodiment used can also wrap without aldehyde adhesive
Biology base is included without aldehyde adhesive, using big the produced soybean meal in area of the Northeast China temperature difference as made of raw material without aldehyde adhesive,
The genetically engineered soybean of preferential selection cultivated in Heilongjiang province；What the present embodiment used includes polyamide polyamines epoxy chloropropionate without urea formaldehyde
Alkane resin.
In conclusion above embodiments provide without the fire-retardant timber manufacturer of urea formaldehyde dipping decorative paper veneer MULTILAYER COMPOSITE
Method can be reduced free by using no aldehyde adhesive composite multi-layer veneer and by using no urea formaldehyde dipping decorative paper
Formaldehyde, then decorated paper and timber carry out Overlaying process, the solution multilayer that inferior log or the quick growing species of trees are that raw material produces
Veneer Combined wooden door, the problem of surface detail dullness, makes veneer aesthetic appeal, covers its segmental defect, improves use value, because
This solves the problems, such as free formaldehyde while improving timber incrustation performance fire-retardant without aldehyde glue MULTILAYER COMPOSITE, improves indoor ring
Border quality.
It is above-mentioned, further embodiment only of the present invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art within the scope of the present disclosure, equally replaced according to the technique and scheme of the present invention by design
It changes or changes, belong to protection scope of the present invention.
Claims (10)
1. without the fire-retardant timber manufacturing method of urea formaldehyde dipping decorative paper veneer MULTILAYER COMPOSITE, which is characterized in that using no aldehyde gluing
Agent and several layers veneer composite flame-proof timber carry out veneer to fire-retardant timber again after then impregnating using no urea formaldehyde and facing paper
Processing, through flexible pressurizing is compound and room temperature cooling forms.
2. the manufacturing method of the fire-retardant timber of no urea formaldehyde dipping decorative paper veneer MULTILAYER COMPOSITE according to claim 1,
Be characterized in that: the process of the no aldehyde adhesive and several layers veneer composite flame-proof timber includes the following steps:
Step 1.1, veneer flame retardant treatment, including sprayed fire proofing agent, waterglass immersion and vacuum pressed；
Step 1.2, veneer drying processing make Veneer moisture reach 8%-12% by being dried；
Step 1.3, veneer are applied without aldehyde adhesive, are combined into slab；
Step 1.4, hot pressing；
Step 1.5, post-production.
3. the no fire-retardant timber manufacturing method of urea formaldehyde dipping decorative paper veneer MULTILAYER COMPOSITE according to claim 2, special
Sign is: the method for the hot pressing includes hot preloading method and air drying method, and the hot preloading method includes contact heating and height
Frequency heats, and the contact heating preload pressure is 0.2-0.3MPa, and hot 90-105 DEG C of precompressed temperature, hot squeeze time is 1.0-
1.6min/mm。
4. the no fire-retardant timber manufacturing method of urea formaldehyde dipping decorative paper veneer MULTILAYER COMPOSITE according to claim 2, special
Sign is: the post-production includes release, room temperature cooling, burr removing and school inspection；
The time of the release is twice or more of hot pressing time, naturally slow after release to be depressed into 48 hours less；
The standard of school inspection includes: ± 4 ㎜ of length and width dimensions, ± 1.5 ㎜ of thickness, ± 2 ㎜ of diagonal line, quality ± 0.5kg, aqueous
Rate 8% ± 1.
5. the manufacturing method of the fire-retardant timber of no urea formaldehyde dipping decorative paper veneer MULTILAYER COMPOSITE according to claim 1,
It is characterized in that, the process of the no urea formaldehyde and facing paper dipping are as follows:
Step 2.1 immerses the facing paper of quantification of 70-140g/ ㎡ without in urea formaldehyde, resin content 60%-100%；
Step 2.2 is dried: facing paper is put into baking oven and is dried 5-10 at 50 DEG C -100 DEG C after impregnating without urea formaldehyde
Minute, make its residual volatile component 5-10%.
6. the manufacturing method of the fire-retardant timber of no urea formaldehyde dipping decorative paper veneer MULTILAYER COMPOSITE according to claim 1,
Be characterized in that: the process of the Overlaying process includes the following steps:
Step 3.1, will without aldehyde adhesive and several layers veneer it is compound after fire-retardant timber sanding surface；
Flexible pressurizing after step 3.2, assembly: it is dried after being impregnated without urea formaldehyde and facing paper, then and after sanding
Fire-retardant timber assembly after flexible pressurizing 10-30 minutes, pressure 0.1-0.3MPa；
Room temperature is cooling after step 3.3, pressurization are compound, and detection is put in storage afterwards for 24 hours.
7. the manufacturing method of the fire-retardant timber of no urea formaldehyde dipping decorative paper veneer MULTILAYER COMPOSITE according to claim 1,
Be characterized in that: the no aldehyde adhesive includes isocyanates and formaldehydeless bean gum, and the bean gum solid content of the formaldehydeless bean gum is
26-30%, pH value 2.5-3.5 use rotary viscosimeter measurement viscosity for 4000-4500mPa.S, and double-sided adhesive liquid glue applies
Glue amount is controlled in 350-450g/ ㎡.
8. the manufacturing method of the fire-retardant timber of no urea formaldehyde dipping decorative paper veneer MULTILAYER COMPOSITE according to claim 1,
Be characterized in that: the no urea formaldehyde includes polyurethane resin, during no urea formaldehyde dipping decorative paper add preservative and
Fireproof agent.
9. the manufacturing method of the fire-retardant timber of no urea formaldehyde dipping decorative paper veneer MULTILAYER COMPOSITE according to claim 1,
It is characterized in that: after Overlaying process, surface bonding intensity >=0.60MPa of the fire-retardant timber of facing paper veneer.
10. the system of the fire-retardant timber of no urea formaldehyde dipping decorative paper veneer MULTILAYER COMPOSITE according to any one of claims 1 to 9
Make method, it is characterised in that:
The no aldehyde adhesive includes isocyanates, and the no aldehyde adhesive further includes biology base without aldehyde adhesive, preferably in
The genetically engineered soybean dregs of beans of state's cultivated in Heilongjiang province is made of raw material without aldehyde adhesive；
The no urea formaldehyde is Polyamide-Polyamsne-Epichlorohydrin resin.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910477763.8A CN110154194A (en) | 2019-06-03 | 2019-06-03 | Without the fire-retardant timber manufacturing method of urea formaldehyde dipping decorative paper veneer MULTILAYER COMPOSITE |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910477763.8A CN110154194A (en) | 2019-06-03 | 2019-06-03 | Without the fire-retardant timber manufacturing method of urea formaldehyde dipping decorative paper veneer MULTILAYER COMPOSITE |
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| CN110154194A true CN110154194A (en) | 2019-08-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112318645A (en) * | 2020-10-30 | 2021-02-05 | 徐州安联木业有限公司 | Preparation device and preparation method of environment-friendly flame-retardant plywood |
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| CN117166292B (en) * | 2023-08-10 | 2024-04-05 | 安徽省荣昌新材料科技有限公司 | Furniture facing paper containing polyamide resin and preparation method thereof |
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Application publication date: 20190823 |