CN105415453A - Preparation method for recombining decoration material through gluing of waterborne isocyanates - Google Patents
Preparation method for recombining decoration material through gluing of waterborne isocyanates Download PDFInfo
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- CN105415453A CN105415453A CN201510687288.9A CN201510687288A CN105415453A CN 105415453 A CN105415453 A CN 105415453A CN 201510687288 A CN201510687288 A CN 201510687288A CN 105415453 A CN105415453 A CN 105415453A
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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
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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
- C09J11/04—Non-macromolecular additives inorganic
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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
-
- 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
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Veneer Processing And Manufacture Of Plywood (AREA)
Abstract
The invention relates to a preparation method for recombining a decoration material through gluing of waterborne isocyanates, and belongs to the technical field of new decoration materials. The preparation method includes the following steps that (1) a log is rotationally cut, veneers with the thickness being 0.5-0.7 mm are manufactured; (2) the veneers are dried, whitened, dyed and dried again, so that primary sheets are obtained; (3) the primary sheets are glued and recombined, and a batten is obtained; and (4) the batten is subjected to cold pressing to form the recombined decoration material. In the step (3), a double-component waterborne polymer isocyanates (API) adhesive is used as the adhesive for gluing, the double-component waterborne isocyanates adhesive comprises a main agent and a curing agent which are compounded, and the main agent comprises, by weight, 100 parts of polyvinyl acetate emulsion, 0.01-0.1 part of an antifoaming agent, 10-13 parts of protective colloid, 0.05-0.5 part of a thickening agent and 5-8 parts of auxiliaries; the curing agent comprises isocyanates. According to the recombined decoration material, the formaldehyde emission is lower than 0.3 mg/L, gluebond strength is qualified, and color fastness to light reaches the level 4.
Description
Technical field
That the present invention relates to is the preparation method that a kind of emulsion polymer isocyanate adhesive closes recombinant decorative material, belongs to decoration new material technology field.
Background technology
Along with the enforcement of " Natural Forest Protection Project ", in all parts of the country beginning progressively implements comparatively strict logging ban, and for Heilongjiang Province, the log cutting of 2011 is fallen sharply to 90 ten thousand steres by 440 original ten thousand steres, causes the domestic log source of goods very well sold and in short supply.And meanwhile, have the whole world in view, the policy of the outlet generally limiting timber is taked in overseas market, for Russia of timber main body entrance state of China, along with the repeatedly adjustment of tariff and Along Railway timber are cut down complete day by day, continue increase yield and significantly will increase cost, Muscovite timber export amount is sharply reduced.On the contrary, the consumption idea of consumer is but recovered one's original simplicity gradually, no matter favor woodwork all the more in automotive trim or house ornamentation furniture.Two contradict, and by causing, the supply and demand gap of timber is bigger and bigger.Data statistics shows, to this year (2015) China timber supply and demand breach by arrival 1.4 billion cubic meter ~ 1.5 billion cubic meter.And with artificial forest or fast growing wood for raw material, do not changing timber sky thermal characteristics and surrounding and watching on the basis of structure, appliance computer three-dimensional simulation, colour examining and the imitative precious timber texture of technology compression molding such as color matching, timber toning and the Recombinant Wood of color and luster will well make up this breach.
But any one product wants the long-range consumption view affecting market clout consumer, all must acknowledge one's shortcomings and constantly improve.Recombinant Wood need use a large amount of adhesives as recombinant material, and to have production technology simple, cheap etc. a little because of it for urea-formaldehyde resin adhesive, thus at present the glue that uses in a large number of the production industry of Recombinant Wood more be still urea-formaldehyde resin adhesive.But along with the continuous enhancing of people's environmental consciousness and the development of adhesive technology, the use of urea-formaldehyde glue will progressively be restricted.Develop formaldehydeless, the environment-protective adhesive of high strength will be the important development direction of Recombinant Wood glue.
CN103878833A (2014-6-25) discloses a kind of manufacture method of Recombined bamboo fancy veneer, but the method still haves much room for improvement.
Summary of the invention
The emulsion polymer isocyanate adhesive that the object of this invention is to provide a kind of excellent performance closes the preparation method of recombinant decorative material.
Above-mentioned technical purpose of the present invention is achieved by the following technical programs:
Emulsion polymer isocyanate adhesive closes a preparation method for recombinant decorative material, and it comprises the following steps:
(1) peeler log, makes the veneer veneer that thickness is 0.5 ~ 0.7mm;
(2) by described veneer veneer drying, bleaching, dyeing, again drying, elementary sheet material is obtained;
(3) by described elementary sheet material applying glue, restructuring, flitch is obtained; The adhesive used during applying glue is the agent of double-component aqueous isocyanates gluing; The agent of described double-component aqueous isocyanates gluing comprises composite host and curing agent; Described host comprises polyvinyl acetate emulsion 100 parts by weight; Defoamer 0.01 ~ 0.1 part; Protecting colloid 10 ~ 13 parts; Thickener 0.05 ~ 0.5 part; Auxiliary agent 5 ~ 8 parts; Described curing agent comprises isocyanates;
(4) described flitch is colded pressing, form recombinant decorative material.
Described host and curing agent be composite use in mass ratio in use.Recombinant decorative material provided by the present invention, burst size of methanal is lower than 0.3mg/L, and dipping and stripping is qualified, and color fastness to light reaches 4 grades.
As preferably, described curing agent comprises following Main Components by weight: isocyanates 100 parts, solvent 5 ~ 10 parts, crosslinking agent 0.1 ~ 1 part.Adopt the curing agent of specific components proportioning, solidification effect is good, and can be composite with host, reduces the burst size of methanal of double-component aqueous API isocyanates gluing agent, and firmly, dipping and stripping is qualified to make bonding between veneer, and color fastness to light improves.
As preferably, described protecting colloid is polyvinyl alcohol.
As preferably, described auxiliary agent is laminar nano double-metal hydroxide.
As preferably, described isocyanates is polymethylene phenyl isocyanate (PAPI).
Adopt specific isocyanates composite as one of component of curing agent and host, can reduce the burst size of methanal of double-component aqueous API isocyanates gluing agent, firmly, dipping and stripping is qualified to make bonding between veneer, and color fastness to light improves.
As preferably, described crosslinking agent is Silane coupling agent KH550.
As preferably, described veneer veneer is dug by the natural defect position that exists veneer or the different good position of veneer and repaiies, dig and repair rear formation shrinkage pool, make the thickness of veneer be in imbalance in the local at shrinkage pool place after pressurization maintenance, some pieces of described veneers have different color and lusters; Sloped transition is passed through between the edge of described shrinkage pool and veneer body.More even, nature of fitting between veneer is made by arranging slope.
Repair by carrying out digging of different parts to veneer, and through the combination of different color veneer, corresponding mould is coordinated to produce, the mode of production is simple, with low cost, and the recombinant decorative veneer fidelity of producing is high, can well simulate the texture of natural precious wood, texture, exactly like natural precious timber, but without the natural defect such as knot, blackspot.
As preferably, the moisture control of described veneer veneer is at 6-16%.The moisture content controlling veneer can prevent the distortion of product in subsequent technique.
As preferably, dig to repair and adopt blade of carving knife to carry out digging and repair or adopt electrical grinding machine to carry out digging repairing, described electrical grinding machine has the sand head of spherical.
As preferably, post flexible reinforced material at the back side of elementary sheet material, its thickness is 0.05-0.15mm; Employing hot pressing mode bonds, and pressure is 0.5-1.2Mpa, temperature 80-120 DEG C, and the time is 50-180 second; Improve wire drawing roller wire brush structure, its soft or hard is substituted and arranges, soft or hard steel wire pitch is equal to hard broadleaf early late wood's spacing, is 5-50mm, the one or both ends of elementary sheet material is bonded in two of conveying liner plate, and conveying liner plate is glued board or the MDF of 2-5mm; The wire drawing roller wire brush that selection and elementary plate grain match, soft or hard steel wire pitch is coincide, and carries out wire drawing process; Elementary sheet material is carried out sanding surface, edging, inspection, packaging.
The present invention, owing to have employed above-mentioned technical scheme, utilizes wire drawing roller soft or hard wire brush interlaced arrangement structure and additional transport liner plate to produce wire drawing recombinant decorative veneer modelled after an antique.This recombinant decorative veneer through wire drawing process, specious, imitative precious wood kind texture is true to nature, has the characteristic of natural wood materials, again without the native physiological defect of timber; Both met the fashion demand of people's modern times finishing, again saved a large amount of natural precious timber resources, there is significant ecological and social benefit.This product is widely used in the decorations etc. of furniture, timber, room background wall.
In sum, the present invention has following beneficial effect:
1, recombinant decorative material provided by the present invention, burst size of methanal is lower than 0.3mg/L, and dipping and stripping is qualified, and color fastness to light reaches 4 grades;
2, repair by carrying out digging of different parts to veneer, and through the combination of different color veneer, corresponding mould is coordinated to produce, the mode of production is simple, with low cost, and the recombinant decorative veneer fidelity of producing is high, can well simulate the texture of natural precious wood, texture, exactly like natural precious timber, but without the natural defect such as knot, blackspot;
3. utilize wire drawing roller soft or hard wire brush interlaced arrangement structure and additional transport liner plate to produce wire drawing recombinant decorative veneer modelled after an antique.This recombinant decorative veneer through wire drawing process, specious, imitative precious wood kind texture is true to nature, has the characteristic of natural wood materials, again without the native physiological defect of timber; Both met the fashion demand of people's modern times finishing, again saved a large amount of natural precious timber resources, there is significant ecological and social benefit.This product is widely used in the decorations etc. of furniture, timber, room background wall.
Detailed description of the invention
Embodiment one
The preparation method that emulsion polymer isocyanate adhesive closes recombinant decorative material comprises the following steps:
(1) peeler log, makes the veneer veneer that thickness is 0.5mm; The moisture control of veneer veneer is 6%; Veneer veneer is dug by the natural defect position that exists veneer or the different good position of veneer and repaiies, dig and repair rear formation shrinkage pool, pressurization maintenance after make the thickness of veneer be in imbalance in the local at shrinkage pool place, some pieces of veneers there is different color and lusters; Sloped transition is passed through between the edge of shrinkage pool and veneer body.More even, nature of fitting between veneer is made by arranging slope; Digging to repair adopts blade of carving knife to carry out digging and repair or adopt electrical grinding machine to carry out digging repairing, and electrical grinding machine has the sand head of spherical;
(2) by veneer veneer drying, bleaching, dyeing, again drying, elementary sheet material is obtained; Post flexible reinforced material at the back side of elementary sheet material, its thickness is 0.05mm; Employing hot pressing mode bonds, and pressure is 0.5Mpa, temperature 80 DEG C, and the time is 50 seconds; Improve wire drawing roller wire brush structure, its soft or hard is substituted and arranges, soft or hard steel wire pitch is equal to hard broadleaf early late wood's spacing, is 5mm, the one or both ends of elementary sheet material is bonded in two of conveying liner plate, and conveying liner plate is glued board or the MDF of 2mm; The wire drawing roller wire brush that selection and elementary plate grain match, soft or hard steel wire pitch is coincide, and carries out wire drawing process; Elementary sheet material is carried out sanding surface, edging, inspection, packaging;
(3) by elementary sheet material applying glue, restructuring, flitch is obtained; The adhesive used during applying glue is the agent of double-component aqueous isocyanates gluing; The agent of double-component aqueous isocyanates gluing comprises composite host and curing agent; Host comprises polyvinyl acetate emulsion 100 parts by weight; Defoamer 0.01 part; Protecting colloid 10 parts; Thickener 0.05 part; Auxiliary agent 8 parts;
Curing agent comprises following Main Components by weight: polymethylene phenyl isocyanate (PAPI) 100 parts, solvent 5 parts, crosslinking agent 0.1 part; Protecting colloid is polyvinyl alcohol; Auxiliary agent is laminar nano double-metal hydroxide; Crosslinking agent is Silane coupling agent KH550;
(4) flitch is colded pressing, form recombinant decorative material.
Embodiment two
The preparation method that emulsion polymer isocyanate adhesive closes recombinant decorative material comprises the following steps:
(1) peeler log, makes the veneer veneer that thickness is 0.7mm; The moisture control of veneer veneer is 16%; Veneer veneer is dug by the natural defect position that exists veneer or the different good position of veneer and repaiies, dig and repair rear formation shrinkage pool, pressurization maintenance after make the thickness of veneer be in imbalance in the local at shrinkage pool place, some pieces of veneers there is different color and lusters; Sloped transition is passed through between the edge of shrinkage pool and veneer body.More even, nature of fitting between veneer is made by arranging slope; Digging to repair adopts blade of carving knife to carry out digging and repair or adopt electrical grinding machine to carry out digging repairing, and electrical grinding machine has the sand head of spherical;
(2) by veneer veneer drying, bleaching, dyeing, again drying, elementary sheet material is obtained; Post flexible reinforced material at the back side of elementary sheet material, its thickness is 0.15mm; Employing hot pressing mode bonds, and pressure is 1.2Mpa, temperature 120 DEG C, and the time is 180 seconds; Improve wire drawing roller wire brush structure, its soft or hard is substituted and arranges, soft or hard steel wire pitch is equal to hard broadleaf early late wood's spacing, is 50mm, the one or both ends of elementary sheet material is bonded in two of conveying liner plate, and conveying liner plate is glued board or the MDF of 5mm; The wire drawing roller wire brush that selection and elementary plate grain match, soft or hard steel wire pitch is coincide, and carries out wire drawing process; Elementary sheet material is carried out sanding surface, edging, inspection, packaging;
(3) by elementary sheet material applying glue, restructuring, flitch is obtained; The adhesive used during applying glue is the agent of double-component aqueous isocyanates gluing; The agent of double-component aqueous isocyanates gluing comprises composite host and curing agent; Host comprises polyvinyl acetate emulsion 100 parts by weight; Defoamer 0.1 part; Protecting colloid 13 parts; Thickener 0.5 part; Auxiliary agent 5 parts;
Curing agent comprises following Main Components by weight: polymethylene phenyl isocyanate (PAPI) 100 parts, solvent 10 parts, crosslinking agent 1 part; Protecting colloid is polyvinyl alcohol; Auxiliary agent is laminar nano double-metal hydroxide; Crosslinking agent is Silane coupling agent KH550;
(4) flitch is colded pressing, form recombinant decorative material.
Embodiment three
The preparation method that emulsion polymer isocyanate adhesive closes recombinant decorative material comprises the following steps:
(1) peeler log, makes the veneer veneer that thickness is 0.5 ~ 0.7mm; The moisture control of veneer veneer is at 6-16%; Veneer veneer is dug by the natural defect position that exists veneer or the different good position of veneer and repaiies, dig and repair rear formation shrinkage pool, pressurization maintenance after make the thickness of veneer be in imbalance in the local at shrinkage pool place, some pieces of veneers there is different color and lusters; Sloped transition is passed through between the edge of shrinkage pool and veneer body.More even, nature of fitting between veneer is made by arranging slope; Digging to repair adopts blade of carving knife to carry out digging and repair or adopt electrical grinding machine to carry out digging repairing, and electrical grinding machine has the sand head of spherical;
(2) by veneer veneer drying, bleaching, dyeing, again drying, elementary sheet material is obtained; Post flexible reinforced material at the back side of elementary sheet material, its thickness is 0.1mm; Employing hot pressing mode bonds, and pressure is 0.9Mpa, temperature 110 DEG C, and the time is 130 seconds; Improve wire drawing roller wire brush structure, its soft or hard is substituted and arranges, soft or hard steel wire pitch is equal to hard broadleaf early late wood's spacing, is 20mm, the one or both ends of elementary sheet material is bonded in two of conveying liner plate, and conveying liner plate is glued board or the MDF of 3mm; The wire drawing roller wire brush that selection and elementary plate grain match, soft or hard steel wire pitch is coincide, and carries out wire drawing process; Elementary sheet material is carried out sanding surface, edging, inspection, packaging;
(3) by elementary sheet material applying glue, restructuring, flitch is obtained; The adhesive used during applying glue is the agent of double-component aqueous isocyanates gluing; The agent of double-component aqueous isocyanates gluing comprises composite host and curing agent; Host comprises polyvinyl acetate emulsion 100 parts by weight; Defoamer 0.06 part; Protecting colloid 11 parts; Thickener 0.4 part; Auxiliary agent 7 parts; Curing agent comprises following Main Components by weight: polymethylene phenyl isocyanate (PAPI) 100 parts, solvent 7 parts, crosslinking agent 0.6 part; Protecting colloid is polyvinyl alcohol; Auxiliary agent is laminar nano double-metal hydroxide; Crosslinking agent is Silane coupling agent KH550;
(4) flitch is colded pressing, form recombinant decorative material.
Recombinant decorative material provided by the present invention, burst size of methanal is lower than 0.3mg/L, and dipping and stripping is qualified, and color fastness to light reaches 4 grades; Repair by carrying out digging of different parts to veneer, and through the combination of different color veneer, corresponding mould is coordinated to produce, the mode of production is simple, with low cost, and the recombinant decorative veneer fidelity of producing is high, can well simulate the texture of natural precious wood, texture, exactly like natural precious timber, but without the natural defect such as knot, blackspot;
This recombinant decorative veneer through wire drawing process, specious, imitative precious wood kind texture is true to nature, has the characteristic of natural wood materials, again without the native physiological defect of timber; Both met the fashion demand of people's modern times finishing, again saved a large amount of natural precious timber resources, there is significant ecological and social benefit.This product is widely used in the decorations etc. of furniture, timber, room background wall.
This specific embodiment is only explanation of the invention; it is not limitation of the present invention; those skilled in the art can make to the present embodiment the amendment not having creative contribution as required after reading this description, as long as but be all subject to the protection of Patent Law in right of the present invention.
Claims (10)
1. emulsion polymer isocyanate adhesive closes a preparation method for recombinant decorative material, it is characterized in that comprising the following steps:
(1) peeler log, makes the veneer veneer that thickness is 0.5 ~ 0.7mm;
(2) by described veneer veneer drying, bleaching, dyeing, again drying, elementary sheet material is obtained;
(3) by described elementary sheet material applying glue, restructuring, flitch is obtained; The adhesive used during applying glue is the agent of double-component aqueous API isocyanates gluing; The agent of described double-component aqueous isocyanates gluing comprises composite host and curing agent; Described host comprises polyvinyl acetate emulsion 100 parts by weight; Defoamer 0.01 ~ 0.1 part; Protecting colloid 10 ~ 13 parts; Thickener 0.05 ~ 0.5 part; Auxiliary agent 5 ~ 8 parts; Described curing agent comprises isocyanates;
(4) described flitch is colded pressing, form recombinant decorative material.
2. a kind of emulsion polymer isocyanate adhesive according to claim 1 closes the preparation method of recombinant decorative material, it is characterized in that: described curing agent comprises following Main Components by weight: isocyanates 100 parts, solvent 5 ~ 10 parts, crosslinking agent 0.1 ~ 1 part.
3. a kind of emulsion polymer isocyanate adhesive according to claim 1 closes the preparation method of recombinant decorative material, it is characterized in that: described protecting colloid is polyvinyl alcohol.
4. a kind of emulsion polymer isocyanate adhesive according to claim 1 closes the preparation method of recombinant decorative material, it is characterized in that: described auxiliary agent is laminar nano double-metal hydroxide.
5. a kind of emulsion polymer isocyanate adhesive according to claim 2 closes the preparation method of recombinant decorative material, it is characterized in that: described isocyanates is polymethylene phenyl isocyanate.
6. a kind of emulsion polymer isocyanate adhesive according to claim 2 closes the preparation method of recombinant decorative material, it is characterized in that: described crosslinking agent is Silane coupling agent KH550.
7. a kind of emulsion polymer isocyanate adhesive according to any one of claim 1-6 closes the preparation method of recombinant decorative material, it is characterized in that: described veneer veneer is dug by the natural defect position that exists veneer or the different good position of veneer and repaiies, dig and repair rear formation shrinkage pool, make the thickness of veneer be in imbalance in the local at shrinkage pool place after pressurization maintenance, some pieces of described veneers have different color and lusters; Sloped transition is passed through between the edge of described shrinkage pool and veneer body.
8. a kind of emulsion polymer isocyanate adhesive according to claim 7 closes the preparation method of recombinant decorative material, it is characterized in that: the moisture control of described veneer veneer is at 6-16%.
9. a kind of emulsion polymer isocyanate adhesive according to claim 8 closes the preparation method of recombinant decorative material, it is characterized in that: dig to repair and adopt blade of carving knife to carry out digging and repair or adopt electrical grinding machine to carry out digging repairing, and described electrical grinding machine has the sand head of spherical.
10. a kind of emulsion polymer isocyanate adhesive according to any one of claim 1-6 closes the preparation method of recombinant decorative material, and it is characterized in that: post flexible reinforced material at the back side of elementary sheet material, its thickness is 0.05-0.15mm; Employing hot pressing mode bonds, and pressure is 0.5-1.2Mpa, temperature 80-120 DEG C, and the time is 50-180 second; Improve wire drawing roller wire brush structure, its soft or hard is substituted and arranges, soft or hard steel wire pitch is equal to hard broadleaf early late wood's spacing, is 5-50mm, the one or both ends of elementary sheet material is bonded in two of conveying liner plate, and conveying liner plate is glued board or the MDF of 2-5mm; The wire drawing roller wire brush that selection and elementary plate grain match, soft or hard steel wire pitch is coincide, and carries out wire drawing process; Elementary sheet material is carried out sanding surface, edging, inspection, packaging.
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| CN107083230A (en) * | 2017-05-24 | 2017-08-22 | 德华兔宝宝装饰新材股份有限公司 | A kind of log end-blocking glue of anti-veneer end cracking |
| CN108264868A (en) * | 2018-04-16 | 2018-07-10 | 无锡德华彩印包装有限公司 | A kind of novel double-component aqueous adhesive and its extrusion coating paper of preparation |
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| CN105818243B (en) * | 2016-03-28 | 2018-06-19 | 南京林业大学 | A kind of poplar Scrimber and preparation method thereof |
| CN106738110A (en) * | 2016-12-01 | 2017-05-31 | 张建明 | A kind of glued board is colded pressing production method |
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| CN109648673A (en) * | 2017-10-10 | 2019-04-19 | 克尼普罗国际 | The technique of manufacture compression polychrome glued board and its utility, ornament and decorative product |
| CN108264868A (en) * | 2018-04-16 | 2018-07-10 | 无锡德华彩印包装有限公司 | A kind of novel double-component aqueous adhesive and its extrusion coating paper of preparation |
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