CN104441105A - Method for producing clamp plate through lignin adhesives - Google Patents
Method for producing clamp plate through lignin adhesives Download PDFInfo
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- CN104441105A CN104441105A CN201410634438.5A CN201410634438A CN104441105A CN 104441105 A CN104441105 A CN 104441105A CN 201410634438 A CN201410634438 A CN 201410634438A CN 104441105 A CN104441105 A CN 104441105A
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- Prior art keywords
- clamping plate
- lignin
- temperature
- hot pressing
- adhesive
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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
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08H6/00—Macromolecular compounds derived from lignin, e.g. tannins, humic acids
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J197/00—Adhesives based on lignin-containing materials
- C09J197/005—Lignin
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a method for producing a clamp plate through lignin adhesives. The clamp plate is formed by bonding at least three layers of single plates through the lignin adhesives. The method comprises the specific steps that single plate sorting, gluing, prepressing, hot pressing, stacking maintenance and aluminum oxide abrasion paper pasting are carried out; according to the prepressing condition, temperature ranges from 95 DEG C to 100 DEG C, pressure ranges from 0.5 Kpa to 0.8 Kpa, and time ranges from 0.5 min/mm to 0.8 min/mm; according to the hot pressing condition, temperature ranges from 140 DEG C to 150 DEG C, pressure ranges from 0.5 Kpa to 1 Kpa, and time ranges from 0.5 min/mm to 0.8 min/mm; according to the specific method of stacking maintenance, bonded clamp plates are erected through battens layer by layer, and the battens on the upper layers and the lower layers are arranged in the shape like a Chinese character 'jing'. The manufactured clamp plate has the good dampproof performance, and is not likely to bulge or deform when encountered water and affected by damp. The cost of the adhesives used per square meter is low, and good application and popularization value is achieved.
Description
Technical field
The present invention relates to a kind of Wood-based Panel Production method, particularly a kind of method adopting lignin adhesive to produce clamping plate.
Background technology
Clamping plate, also claim glued board, are commonly called as thin central layer in row.Being formed by three layers or the veneer of multilayer one millimeters thick or the veneer of multilayer one millimeter or the hot pressing of thin plate sticker, is make the material that furniture commonly uses the most at present by hand.And to make the most frequently used adhesive of clamping plate be at present condensation aldehydes adhesive, as Lauxite, modified urea-formaldehyde resin, phenolic resins and modified product thereof etc., these adhesives use formaldehyde as primary raw material, inevitable generation formaldehyde, although current low formaldehyde adhesive comes out, accomplish often to criticize product qualified and be not easy.
And along with the development of society, the requirement of consumer to environmental protection is more and more focused on, and shows and buys the problem that clamping plate aspect is exactly the content of formaldehyde aspect being especially concerned about clamping plate, although clamping plate are inherently containing a small amount of aldehyde material, but its content does not exceed standard, and is not detrimental to health.The formaldehyde of clamping plate is mainly from adhesive, although country has formulated the noxious material limit standard of ornament materials, because current clamping plate adhesive generally uses formaldehyde as raw material, formaldehyde remaining after making sheet constantly volatilizees, cause content of formaldehyde to exceed standard, want to reach limitation and require and be not easy.Along with the progressively raising of people's awareness of safety, country also can be strict with more to clamping plate Formaldehyde Limitation.
Simultaneously, the market competition of current clamping plate is fierce gradually, and be tending towards fixing as the adhesive price of splint construction primary raw material, therefore, the product quality that harmful competition brings does not pass a test, and law-enforcing supervision is not tight, causes the problems such as adhesive quality does not pass a test more and more serious, badly influenced the safety of people.
Summary of the invention
The object of this invention is to provide a kind of lignin adhesive that adopts and produce the method for clamping plate, by production method of the present invention be on the one hand can reduce costs, the formaldehyde eliminated in adhesive, safer; More waterproof and dampproof on the other hand, not easily there is imbibition, be out of shape and scratch.
Technical scheme of the present invention is as follows:
Adopt lignin adhesive to produce the method for clamping plate, these clamping plate are formed by lignin adhesive bonding by least two-layer veneer, and concrete steps are:
Select veneer of the same size, coat lignin adhesive, resin added is 220-280g/m
2precompressed, condition is: temperature: 95-100 DEG C, pressure: 0.5-0.8Kpa, the time: 0.5-0.8min/mm; Hot pressing, condition is: temperature: 140-150 DEG C, pressure: 0.5-1Kpa, the time: 0.5-0.8min/mm; Stack maintenance, concrete grammar is: at room temperature, is erected from level to level by the clamping plate be bonded to batten, and upper and lower two-layer batten is in " well " word arrangement, and the time is 24-30h; Determine thick with coarse sand and fine sandpaper polishing, paste low face side, polishing face side, face side sticks alundum (Al2O3) abrasion-proof paper, hot pressing, and temperature is 170 DEG C, and pressure is 1.8-2.5MPa, and heat radiation arranges, and beats limit, to obtain final product.
The production technology of lignin adhesive is as follows: in order to reduce the cost of raw material, the black liquor of the alkaline boiling method slurrying taking bagasse as raw material is processed, obtain the lignin of more than 85% content, 70wt% sulfuric acid is added in lignin, after stirring, be warming up to 140-160 DEG C, sulfonating reaction 1-2 hour; Through evaporator with central downcomer, circulation rate is 0.4m/s-0.5m/s, and controlling discharging moisture is 30wt%, precipitation, and after filtration, to be dried to water content be 15wt%; By lignin: phenol 1:1(weight ratio) add phenol, control temperature 85-95 DEG C, insulation reaction 1 hour, finally regulate pH to 6.5-7.0 with 30wt% NaOH; Gained reactant gets 40-60 part; Add farina 15-20 part; Silane coupler 1-5 part; Aliphatic urethane acrylate 8-15 part; PIC 3-5 part; Defoamer 0.1-0.2 part, mixes, then with three-roll grinder grinding 1-2 hour, to obtain final product.
Described silane coupler is VTES, three tert-butoxy vinyl silanes, anilinomethyl triethoxysilane, γ-r-chloropropyl trimethoxyl silane, gamma-methyl allyl acyloxypropyl trimethoxysilane, 3-(2,3 epoxy third oxygen) one in propyl trimethoxy silicane, mercaptopropyl trimethoxysilane, methyl vinyl diethoxysilane and mercapto hydroxypropyl methyl dimethoxysilane or its composition.
Described defoamer is described defoamer is dimethyl silicone polymer or tributyl phosphate.
Inventor produces clamping plate by using above-mentioned lignin adhesive, has following beneficial effect:
One, clamping plate board making process of the present invention uses precompressed and heat pressing process, hot pressing temperature reaches 140-160 DEG C, pressure is 0.5-1Kpa, time 0.5-0.9min/mm, urea-formaldehyde resin adhesive making sheet condition relative to routine: 110-120 DEG C, 0.5-0.8Kpa want high, have following outstanding advantages: boil 3 hours in the water of (1) 100 DEG C after making sheet, indeformable, do not ftracture, then dry at 60-70 DEG C and do not ftracture for 2 hours; (2) cost: adhesive of the present invention is 30% of urea-formaldehyde glue; (3) expansion rate: under normal temperature laboratory, humidity 50%-80% puts 10 days, distortion 0.15mm, after making plate: deformation rate 0.15mm, wear-resisting rate: 6000r does not scratch.
Two, not containing formaldehyde in the lignin adhesive production process used, effectively reduce in conventional clamping plate production process the formaldehyde using condensation aldehydes adhesive to produce, improve security performance, high to health index; Raw material lignin in the lignin adhesive simultaneously used is from bagasse black liquid, and production cost is low, in current clamping plate market confusion, the quality of production is very different, under using the shoddy background of the product of inferior quality, greatly reduce the price of clamping plate, there is great economic benefit.
Three, silane coupler is employed in lignin adhesive, have very great help to improving clamping plate adhesive performance, research display of the present invention, use the lignin adhesive described in invention good water absorption, humidity resistance after making sheet superior, greatly reduce the phenomenon of coming unglued that clamping plate cause because of water suction; Meanwhile, the clamping plate bonding after making sheet firmly, has benefited from the characteristic of silane coupler: one end and plank form chemical bond, and the other end then reacts with lignin active function groups, forms " bridge " and connects, and inseparable, bond effect is firm, irreversible.
Four, moisture protection is strong, the lignin adhesive that the clamping plate that the present invention produces use adds the stronger auxiliary agent of water suction moisture protection, and meanwhile, the silane coupler that lignin adhesive adds also has stronger moisture protection, these clamping plate are steady quality when wet environment uses, indeformable.
Detailed description of the invention
embodiment 1
The production technology of lignin adhesive is as follows: in order to reduce the cost of raw material, the black liquor of the alkaline boiling method slurrying taking bagasse as raw material is processed, obtain the lignin of more than 85% content, 70wt% sulfuric acid is added in lignin, after stirring, be warming up to 140-160 DEG C, sulfonating reaction 1-2 hour; Through evaporator with central downcomer, circulation rate is 0.4m/s-0.5m/s, and controlling discharging moisture is 30wt%, precipitation, and after filtration, to be dried to water content be 15wt%; By lignin: phenol 1:1(weight ratio) add phenol, control temperature 85-95 DEG C, insulation reaction 1 hour, finally regulate pH to 6.5-7.0 with 30wt% NaOH; Gained reactant gets 40-60 part; Add farina 15-20 part; Silane coupler 1-5 part; Aliphatic urethane acrylate 8-15 part; PIC 3-5 part; Defoamer 0.1-0.2 part, mixes, then with three-roll grinder grinding 1-2 hour, to obtain final product.
Select veneer of the same size, make 3 layers of glued board, coat above-mentioned obtained lignin adhesive at veneer, resin added is 220g/m
2, precompressed, condition is: temperature: 95 DEG C, pressure: 0.5Kpa, the time: 0.5min/mm; Hot pressing, condition is: temperature: 140 DEG C, pressure: 0.5Kpa, the time: 0.5min/mm; Stack maintenance, concrete grammar is: at room temperature, is erected from level to level by the clamping plate be bonded to batten, and upper and lower two-layer batten is in " well " word arrangement, and the time is 24h; Determine thick with coarse sand and fine sandpaper polishing, paste low face side, polishing face side, face side sticks alundum (Al2O3) abrasion-proof paper, hot pressing, and temperature is 170 DEG C, and pressure is 1.8MPa, and heat radiation arranges, and beats limit, to obtain final product.
embodiment 2
Select sheet making of the same size 5 layers of glued board, veneer is coated the lignin adhesive that embodiment 1 is obtained, and resin added is 250g/m
2, precompressed, condition is: temperature: 100 DEG C, pressure: 0.7Kpa, the time: 0.6min/mm; Hot pressing, condition is: temperature: 150 DEG C, pressure: 0.8Kpa, the time: 0.7min/mm; Stack maintenance, concrete grammar is: at room temperature, is erected from level to level by the clamping plate be bonded to batten, and upper and lower two-layer batten is in " well " word arrangement, and the time is 28h; Determine thick with coarse sand and fine sandpaper polishing, paste low face side, polishing face side, face side sticks alundum (Al2O3) abrasion-proof paper, hot pressing, and temperature is 170 DEG C, and pressure is 2.0MPa, and heat radiation arranges, and beats limit, to obtain final product.
embodiment 3
Select veneer of the same size, make 7 layers of glued board, veneer is coated the lignin adhesive that embodiment 1 is obtained, and resin added is 280g/m
2, precompressed, condition is: temperature: 100 DEG C, pressure: 0.8Kpa, the time: 0.8min/mm; Hot pressing, condition is: temperature: 150 DEG C, pressure: 1.0Kpa, the time: 0.9min/mm; Stack maintenance, concrete grammar is: at room temperature, is erected from level to level by the clamping plate be bonded to batten, and upper and lower two-layer batten is in " well " word arrangement, and the time is 30h; Determine thick with coarse sand and fine sandpaper polishing, paste low face side, polishing face side, face side sticks alundum (Al2O3) abrasion-proof paper, hot pressing, and temperature is 170 DEG C, and pressure is 2.5MPa, and heat radiation arranges, and beats limit, to obtain final product.
embodiment 4
Fast-growing eucalyptus is made veneer, then selects veneer of the same size through selection, make 7 layers of glued board, veneer is coated the lignin adhesive that embodiment 1 is obtained, and resin added is 280g/m
2, precompressed, condition is: temperature: 100 DEG C, pressure: 0.8Kpa, the time: 0.8min/mm; Hot pressing, condition is: temperature: 150 DEG C, pressure: 1.0Kpa, the time: 0.9min/mm; Stack maintenance, concrete grammar is: at room temperature, is erected from level to level by the clamping plate be bonded to batten, and upper and lower two-layer batten is in " well " word arrangement, and the time is 30h; Determine thick with coarse sand and fine sandpaper polishing, paste low face side, polishing face side, face side sticks alundum (Al2O3) abrasion-proof paper, hot pressing, and temperature is 170 DEG C, and pressure is 2.5MPa, and heat radiation arranges, and beats limit, to obtain final product.
comparative example 1
Select veneer of the same size, make 3 layers of glued board, veneer is coated urea-formaldehyde resin adhesive (purchased from Zibo Hua Sen adhesive Co., Ltd), and resin added is 220g/m
2, precompressed, condition is: temperature: 90 DEG C, pressure: 0.5Kpa, the time: 0.5min/mm; Hot pressing, condition is: temperature: 120 DEG C, pressure: 0.5Kpa, the time: 0.4min/mm; Stack maintenance, concrete grammar is: at room temperature, is erected from level to level by the clamping plate be bonded to batten, and upper and lower two-layer batten is in " well " word arrangement, and the time is 24h; Determine thick with coarse sand and fine sandpaper polishing, paste low face side, polishing face side, face side sticks alundum (Al2O3) abrasion-proof paper, hot pressing, and temperature is 170 DEG C, and pressure is 1.8MPa, and heat radiation arranges, and beats limit, to obtain final product.
comparative example 2
Select veneer of the same size, make 5 layers of glued board, veneer is coated urea-formaldehyde resin adhesive (purchased from Zibo Hua Sen adhesive Co., Ltd), and resin added is 250g/m
2, precompressed, condition is: temperature: 95 DEG C, pressure: 0.7Kpa, the time: 0.6min/mm; Hot pressing, condition is: temperature: 120 DEG C, pressure: 0.7Kpa, the time: 0.7min/mm; Stack maintenance, concrete grammar is: at room temperature, is erected from level to level by the clamping plate be bonded to batten, and upper and lower two-layer batten is in " well " word arrangement, and the time is 28h; Determine thick with coarse sand and fine sandpaper polishing, paste low face side, polishing face side, face side sticks alundum (Al2O3) abrasion-proof paper, hot pressing, and temperature is 170 DEG C, and pressure is 2.0MPa, and heat radiation arranges, and beats limit, to obtain final product.
comparative example 3
Select veneer of the same size, make 7 layers of glued board, veneer is coated urea-formaldehyde resin adhesive (purchased from Zibo Hua Sen adhesive Co., Ltd), and resin added is 280g/m
2, precompressed, condition is: temperature: 100 DEG C, pressure: 0.8Kpa, the time: 0.8min/mm; Hot pressing, condition is: temperature: 1250 DEG C, pressure: 0.8Kpa, the time: 0.8min/mm; Stack maintenance, concrete grammar is: at room temperature, is erected from level to level by the clamping plate be bonded to batten, and upper and lower two-layer batten is in " well " word arrangement, and the time is 30h; Determine thick with coarse sand and fine sandpaper polishing, paste low face side, polishing face side, face side sticks alundum (Al2O3) abrasion-proof paper, hot pressing, and temperature is 170 DEG C, and pressure is 2.5MPa, and heat radiation arranges, and beats limit, to obtain final product.
comparative example 4
Fast-growing eucalyptus is made veneer, then selects veneer of the same size through selection, make 7 layers of glued board, veneer is coated urea-formaldehyde resin adhesive (purchased from Zibo Hua Sen adhesive Co., Ltd), and resin added is 280g/m
2, precompressed, condition is: temperature: 100 DEG C, pressure: 0.8Kpa, the time: 0.8min/mm; Hot pressing, condition is: temperature: 1250 DEG C, pressure: 0.8Kpa, the time: 0.8min/mm; Stack maintenance, concrete grammar is: at room temperature, is erected from level to level by the clamping plate be bonded to batten, and upper and lower two-layer batten is in " well " word arrangement, and the time is 30h; Determine thick with coarse sand and fine sandpaper polishing, paste low face side, polishing face side, face side sticks alundum (Al2O3) abrasion-proof paper, hot pressing, and temperature is 170 DEG C, and pressure is 2.5MPa, and heat radiation arranges, and beats limit, to obtain final product.
According to GB/T15036.2-2001 " real clamping plate inspection and test method ", the burst size of methanal of products obtained therefrom in embodiment, bonding strength and expansion rate of water absorption are measured; The mensuration playing drum phenomenon of wood-based plate adopts water-boiling method, namely wood-based plate is cut out as 80cm(grows) × 30cm(is wide) specification, first in the water of 100 DEG C, boil 3 hours, indeformable, do not ftracture, then 60-70 DEG C of baking, record wood-based plate plays the drum time used, time is longer, illustrate that the quality of wood-based plate is better, under normal condition uses, more difficult drum.Wood-based plate is cut out as 80cm(grows) × 30cm(is wide) specification, 1h is placed in the low-temperature test room putting into 25 DEG C of constant temperature, give the cooling of low-temperature test room afterwards, in 2 minutes near-10 DEG C, keep-10 DEG C of 30min, afterwards low-temperature test room rapid temperature increases to 25 DEG C, check the cracking situation of artificial flaggy and interlayer, and whether wood-based plate is out of shape, draw the anti-freezing property of wood-based plate according to craze and transfiguration situation.Each Product checking three times, data are averaged, and every testing result is as shown in the table:
Lignin adhesive of the present invention Cost comparisons compared with comparative examples Lauxite:
It can be seen from the table, lignin adhesive of the present invention is produced clamping plate and is had outstanding advantage relative to clamping plate prepared by urea-formaldehyde resin adhesive, be mainly manifested in: the present invention has good anti-freezing property, under high temperature, high humidity environment, quality stability is good simultaneously, meets water, makes moist and not easily play drum, distortion; Every square metre uses the comparatively Lauxite saving 25.71% of adhesive cost, and the fast-growing eucalyptus of abounding with Guangxi province produces clamping plate also good effect, has good application and popularization value.
Claims (4)
1. adopt lignin adhesive to produce the method for clamping plate, it is characterized in that: these clamping plate are formed by lignin adhesive bonding by least three layers of veneer, and concrete steps comprise: veneer sorting, gluing, precompressed, hot pressing, stacking health and subsides alundum (Al2O3) abrasion-proof paper; Described prefabricating condition is: temperature: 95-100 DEG C, pressure: 0.5-0.8Kpa, the time: 0.5-0.8min/mm; Described hot pressing condition is: temperature: 140-150 DEG C, pressure: 0.5-1Kpa, the time: 0.5-0.8min/mm; Described stacking maintenance concrete grammar is: erected with batten from level to level by the clamping plate be bonded to, upper and lower two-layer batten is in " well " word arrangement.
2. employing lignin adhesive according to claim 1 produces the method for clamping plate, it is characterized in that: the production technology of described lignin adhesive is as follows: in lignin, add 70wt% sulfuric acid, after stirring, be warming up to 140-160 DEG C, sulfonating reaction 1-2 hour; Through evaporator with central downcomer, circulation rate is 0.4m/s-0.5m/s, and controlling discharging moisture is 30wt%, precipitation, and after filtration, to be dried to water content be 15wt%; By lignin: phenol weight ratio is that 1:1 adds phenol, control temperature 85-95 DEG C, insulation reaction 1 hour, finally regulate pH to 6.5-7.0 with 30wt% NaOH; Gained reactant gets 40-60 part; Add farina 15-20 part; Silane coupler 1-5 part; Aliphatic urethane acrylate 8-15 part; PIC 3-5 part; Defoamer 0.1-0.2 part, mixes, then with three-roll grinder grinding 1-2 hour, to obtain final product.
3. employing lignin adhesive according to claim 2 produces the method for clamping plate, it is characterized in that: described silane coupler is VTES, three tert-butoxy vinyl silanes, anilinomethyl triethoxysilane, γ-r-chloropropyl trimethoxyl silane, gamma-methyl allyl acyloxypropyl trimethoxysilane, 3-(2,3 epoxy third oxygen) one in propyl trimethoxy silicane, mercaptopropyl trimethoxysilane, methyl vinyl diethoxysilane and mercapto hydroxypropyl methyl dimethoxysilane or its composition.
4. employing lignin adhesive according to claim 2 produces the method for clamping plate, it is characterized in that: described defoamer is dimethyl silicone polymer or tributyl phosphate.
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Cited By (6)
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| CN105273666A (en) * | 2015-11-04 | 2016-01-27 | 雷春生 | Method for preparing composite biomass adhesive by using papermaking black liquor |
| CN106239646A (en) * | 2016-08-29 | 2016-12-21 | 南宁市创锦胶合板有限责任公司 | Use the method that moistureproof composite urea formaldehyde resin produces full Eucalyptus solid wooden compound floor |
| CN106313203A (en) * | 2016-08-29 | 2017-01-11 | 南宁市创锦胶合板有限责任公司 | Method for producing total-eucalyptus plywood by adopting moisture-proof composite urea resin |
| CN107384287A (en) * | 2017-08-16 | 2017-11-24 | 齐鲁工业大学 | A kind of biological base adhesive and preparation method thereof |
| CN109093786A (en) * | 2018-07-27 | 2018-12-28 | 北京林业大学 | A method of improving lignin-base adhesive glued board mechanical property |
| CN111633756A (en) * | 2020-06-10 | 2020-09-08 | 蒙阴圣尼亚家居科技有限公司 | Wood board and production process thereof |
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| CN105273666A (en) * | 2015-11-04 | 2016-01-27 | 雷春生 | Method for preparing composite biomass adhesive by using papermaking black liquor |
| CN106239646A (en) * | 2016-08-29 | 2016-12-21 | 南宁市创锦胶合板有限责任公司 | Use the method that moistureproof composite urea formaldehyde resin produces full Eucalyptus solid wooden compound floor |
| CN106313203A (en) * | 2016-08-29 | 2017-01-11 | 南宁市创锦胶合板有限责任公司 | Method for producing total-eucalyptus plywood by adopting moisture-proof composite urea resin |
| CN107384287A (en) * | 2017-08-16 | 2017-11-24 | 齐鲁工业大学 | A kind of biological base adhesive and preparation method thereof |
| CN109093786A (en) * | 2018-07-27 | 2018-12-28 | 北京林业大学 | A method of improving lignin-base adhesive glued board mechanical property |
| CN111633756A (en) * | 2020-06-10 | 2020-09-08 | 蒙阴圣尼亚家居科技有限公司 | Wood board and production process thereof |
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