CN115074047A - Wood veneer coiled material with back glue and manufacturing method thereof - Google Patents

Wood veneer coiled material with back glue and manufacturing method thereof Download PDF

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Publication number
CN115074047A
CN115074047A CN202210734045.6A CN202210734045A CN115074047A CN 115074047 A CN115074047 A CN 115074047A CN 202210734045 A CN202210734045 A CN 202210734045A CN 115074047 A CN115074047 A CN 115074047A
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CN
China
Prior art keywords
layer
adhesive
wood
composite
enhancing
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Pending
Application number
CN202210734045.6A
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Chinese (zh)
Inventor
钮云涛
姜涛
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Shanghai Enjia New Building Materials Technology Co ltd
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Shanghai Enjia New Building Materials Technology Co ltd
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Application filed by Shanghai Enjia New Building Materials Technology Co ltd filed Critical Shanghai Enjia New Building Materials Technology Co ltd
Priority to CN202210734045.6A priority Critical patent/CN115074047A/en
Publication of CN115074047A publication Critical patent/CN115074047A/en
Pending legal-status Critical Current

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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
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/29—Laminated material
    • 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
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/40—Adhesives in the form of films or foils characterised by release liners
    • 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
    • C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
    • C09J2203/346—Applications of adhesives in processes or use of adhesives in the form of films or foils for building applications e.g. wrap foil
    • 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
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
    • C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
    • C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
    • 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
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
    • C09J2301/16—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)

Abstract

The application discloses wood skin coiled material with gum, wood skin coiled material with gum includes an attached combined layer, a first glue film and a bottom, attached combined layer includes a wooden layer, a steady composite bed and a second glue film, steady composite bed with scribble between the wooden layer the second glue film, steady composite bed passes through the second glue film bond in the lower surface of wooden layer, first glue film is attached to the lower surface of steady composite bed, attached combined layer passes through first glue film paste in plane and/or curved surface, the bottom passes through first glue film adhesion in the lower surface of steady composite bed, the bottom can be followed the lower surface of first glue film is taken off to the workman can directly use in the construction field, need not workman modulation glue, facilitates the use, and the gum that the coiled material adhered distributes evenly, ensuring good viscosity of the glue. The invention is produced into a preset length and/or a preset width, and is cut according to the actual construction requirement.

Description

Wood veneer coiled material with back glue and manufacturing method thereof
Technical Field
The invention relates to a building material, in particular to a veneer coiled material with gum and a manufacturing method thereof.
Background
The furniture manufacturing industry and the decoration industry can use thin wooden products for veneering, and the traditional thin wooden products need to compound the wooden skin and the base material, so that the wooden skin can be attached to the base material.
However, the traditional veneer product can not be directly pasted on a construction site, and the universal glue and the diluent are manually mixed and coated on the back of the traditional veneer product, and then the place needing pasting is faced. Therefore, the conventional veneer products need to be pre-glued when in use, so that dust and particles in the environment can be adhered to the back of the veneer products along with glue, the viscosity of the glue is affected, and the adhered surfaces of the veneer products can fall off after a long time. And the glue is coated in a manual mode, the phenomenon of uneven glue coating can occur, and the viscosity of the glue is also influenced.
The base material used in the traditional veneer product is mostly kraft paper, the veneer paper easily absorbs moisture in the environment, the veneer is compounded in the moist kraft paper, the veneer is also affected with damp, and the traditional veneer product can generate the phenomena of bulging, cracking, mildew and the like after being affected with damp.
The traditional veneer products are in a sheet shape, when a laying surface with a large area is laid, a plurality of veneer products are often required to be spliced together to realize laying, and the size of the veneer products cannot be designed according to the actual laying requirement.
Disclosure of Invention
One advantage of the present invention is to provide a veneer roll with a back glue and a method for manufacturing the same, wherein the veneer roll with the back glue can be directly used in a construction site, glue preparation by workers is not required, the use is convenient, the back glue adhered to the roll is uniformly distributed, and good adhesiveness of the glue is ensured.
An advantage of the present invention is to provide a veneer roll with a back glue and a method for manufacturing the same, which has excellent fire resistance and water resistance, thereby extending the lifespan of the veneer roll with a back glue.
One advantage of the present invention is to provide a veneer roll with an adhesive and a method of making the same that is produced in a predetermined length and/or a predetermined width and cut according to actual construction requirements.
To achieve at least one of the above advantages, the present invention provides a wood skin roll with a back glue, comprising:
the adhesive combination layer comprises a wood layer, a stability-enhancing composite layer and a second adhesive layer, the stability-enhancing composite layer is used for maintaining the shape of the wood layer, the stability-enhancing composite layer comprises at least one fireproof dimensional layer, the second adhesive layer is coated between the fireproof dimensional layer and the wood layer, the fireproof dimensional layer is bonded to the lower surface of the wood layer through the second adhesive layer, the fireproof dimensional layer can improve the fireproof performance of the wood layer, and the fireproof dimensional layer can maintain the shape of the wood layer;
the first adhesive layer is attached to the lower surface of the stability augmentation composite layer, and the attached composite layer is attached to the plane and/or the curved surface through the first adhesive layer;
the bottom layer is adhered to the lower surface of the stability augmentation composite layer through the first adhesive layer and can be removed from the lower surface of the first adhesive layer.
According to an embodiment of the invention, the stability-enhancing composite layer includes a third adhesive layer and a waterproof layer, the third adhesive layer is coated between the fireproof dimensional layer and the waterproof layer, the first adhesive layer is coated on a bottom layer of the waterproof layer, the bottom layer is bonded to the bottom of the waterproof layer through the first adhesive layer, and the waterproof layer can prevent the wood layer from being affected with moisture.
According to an embodiment of the present invention, the fire-proof dimensional layers are provided with two layers, the stability-enhancing composite layer further includes a flexibility-enhancing layer and two fourth adhesive layers, the flexibility-enhancing layer is located between the two fire-proof dimensional layers, the flexibility-enhancing layer and the two fire-proof dimensional layers are bonded through the two fourth adhesive layers, respectively, and the flexibility-enhancing layer can enhance the bonding firmness of the two fire-proof dimensional layers.
According to an embodiment of the present invention, the surface of the fire-proof dimensional layer is provided with a plurality of concave grains, so as to increase the gluing area of the fire-proof dimensional layer, and the adhesion between the fire-proof dimensional layer and the wood layer and between the fire-proof dimensional layer and the waterproof layer are firmer.
According to an embodiment of the invention, the compliance layer is embodied as a woven glass fabric, which is also moisture-proof.
According to an embodiment of the present invention, the fire-proof layer is implemented as an aluminum foil, and the fire-proof layer is also capable of preventing moisture on the ground from entering the wood layer.
According to an embodiment of the invention, the bottom layer is implemented as a release paper.
In order to achieve at least one of the above advantages, the present invention provides a method for manufacturing a wood skin coiled material with back glue, including the following steps:
the method comprises the following steps: preparing the stability-enhancing composite layer, namely coating glue on the upper surface and the lower surface of the flexibility-enhancing layer and adhering the flexibility-enhancing layer and the fireproof dimensional layer through composite equipment, wherein the lower surface of one fireproof dimensional layer is coated with the glue and adhered to the upper surface of the waterproof layer through the composite equipment;
step two: preparing the adhesion combination layer, namely coating glue on the lower surface of the wood layer and continuously adhering the lower surface of the wood layer to the stability-increasing composite layer through composite equipment;
step three: coating glue on the adhesion combination layer, and coating glue on the lower surface of the adhesion combination layer;
step four: and (3) carrying out composite treatment, namely adhering the bottom layer to the adhesion combination layer through a main roller.
According to one embodiment of the invention, the flexibility increasing layer, the fireproof dimensional layer and the waterproof layer are trimmed and then are respectively leveled by a lengthened roller.
According to an embodiment of the present invention, the wood layer and the stability-enhancing composite layer are trimmed and then leveled by a lengthened roller.
According to an embodiment of the invention, the adhesive composition layer is leveled by an elongated roller.
According to an embodiment of the present invention, the bottom layer and the adhesive composition layer coated with glue are respectively leveled by a lengthened roller.
According to one embodiment of the invention, the total roller combination pressure is 10MPa to 18MPa, the temperature is 100 ℃ to 110 ℃, and the speed is 45cm/s to 55 cm/s.
Drawings
Figure 1 shows a cross-sectional view of one embodiment of a veneer roll with a backing adhesive according to the invention.
Figure 2 shows an exploded view of a veneer roll with a backing adhesive according to the invention.
Figure 3 shows a schematic view of a veneer roll with a backing adhesive according to the invention.
Fig. 4 shows a block diagram of a method for manufacturing a veneer roll with a back adhesive according to the present invention.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular orientation, and thus the above terms are not to be construed as limiting the present invention.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
Referring to fig. 1 to 3, a veneer roll with a back adhesive according to a preferred embodiment of the present invention will be described in detail below. The veneer coiled material with gum includes one and adheres to combined layer 10, a first glue film 20 and a bottom 30, first glue film 20 adhesion in adhere to the lower surface of combined layer 10, bottom 30 passes through first glue film 20 paste in adhere to combined layer 10, like this before the veneer coiled material with gum uses can ensure under the protection of bottom 30 the viscidity of first glue film 20 avoids first glue film 20 is infected with influence stickness such as dust. The bottom layer 30 can be torn from the lower surface of the first adhesive layer 20, so that when the wood veneer roll with the back adhesive is needed, the bottom layer 30 is torn to expose the first adhesive layer 20 attached to the lower surface of the adhesive composite layer 10, and the adhesive composite layer 10 is adhered to a plane and/or a curved surface through the first adhesive layer 20. It is worth mentioning that the bottom layer 30 can be scribed by an applicator to facilitate cutting to a size that meets the actual requirements.
Preferably, the bottom layer 30 is implemented as a release paper, so that the release paper can prevent the first glue layer 20 from being contaminated.
The adhesion combination layer 10 includes a wood layer 11, a stabilization composite layer 12 and a second glue layer 13, wherein the stabilization composite layer 12 is used to maintain the shape of the wood layer 11, it can be understood that, when the wood layer 11 is directly adhered to a plane and/or a curved surface, the wood layer 11 is easily cracked, deformed and the like under the influence of the environment due to the natural properties of the wood layer 11, and the stabilization composite layer 12 is compounded to the wood layer 11 through the second glue layer 13, and the stabilization composite layer 12 can maintain the shape thereof, so that the shape of the wood layer 11 can be maintained, and the adhesion combination layer 10 is adhered to the plane and/or the curved surface and is not easily deformed.
Preferably, the wood layer 11 is implemented as a wood veneer, so that a plurality of wood veneers are connected by the stabilization composite layer 12 and the second glue layer 13, thereby producing the adhesion combination layer 10 with a predetermined length and/or a predetermined width.
The stability augmentation composite layer 12 further comprises at least one fire-proof dimensional layer 121, the second adhesive layer 13 is coated between the fire-proof dimensional layer 121 and the wood layer 11, the fire-proof dimensional layer 121 is adhered to the lower surface of the wood layer 11 through the second adhesive layer 13, and the bottom layer 30 is adhered to the lower surface of the stability augmentation composite layer 12 through the first adhesive layer 20. The fire-resistant layer 121 maintains the wood layer 11 in a certain shape, and the fire-resistant layer 121 is used to improve the fire-resistance of the wood veneer roll with the back glue. Thus, when the adhesion composite layer 10 is adhered to the ground and the ground is electrically ignited, the fire-proof layer 121 can block the fire source and prevent the wood layer 11 from being burned.
Preferably, the fire-proof layer 121 is implemented as an aluminum foil, in which case the fire-proof layer 121 can also prevent moisture from entering the wood layer 11, and the fire-proof layer 121 can prevent moisture on the ground from entering the wood layer 11 and prevent the wood layer 11 from being deformed by moisture. It can be understood that the aluminum foil is not easily restored to its original state after being bent, and thus the fire-resistant fibrous layer 121 can maintain the shape of the wood layer 11 after being combined with the wood layer 11.
The stability augmentation composite layer 12 further includes a third adhesive layer 122 and a waterproof layer 123, the third adhesive layer 122 is coated between the fireproof dimensional layer 121 and the waterproof layer 123, the first adhesive layer 20 is coated on the bottom surface of the waterproof layer 123, and the bottom layer 30 is bonded to the bottom of the waterproof layer 123 through the first adhesive layer 20. The waterproof layer 123 can prevent the wood layer 11 from being affected with moisture.
In one embodiment, the waterproof layer 123 is implemented as a plastic film.
Preferably, the fire-proof dimensional layer 121 is provided with two layers, the stability-enhancing composite layer 12 further includes a flexibility-enhancing layer 124 and two fourth adhesive layers 125, the flexibility-enhancing layer 124 is located between the two fire-proof dimensional layers 121, the flexibility-enhancing layer 124 and the two fire-proof dimensional layers 121 are bonded through the two fourth adhesive layers 125, it is worth mentioning that the wood layer 11 is bonded on the upper surface of one of the fire-proof dimensional layers 121 through the second adhesive layer 13, the waterproof layer 123 is bonded on the lower surface of the other fire-proof dimensional layer 121 through the third adhesive layer 122, and the flexibility-enhancing layer 124 can enhance the bonding firmness of the two fire-proof dimensional layers 121.
Preferably, the flexibility-increasing layer 124 is implemented as a woven glass fiber fabric, which is also moisture-proof, so that the woven glass fiber fabric can increase the bonding firmness of the fire-resistant fiber layer 121 and prevent the wood layer 11 from cracking, deforming, bulging, mildewing, etc. due to moisture.
Preferably, a plurality of concave grains are formed on the surface of the fire-proof dimensional layer 121, so that the gluing area of the fire-proof dimensional layer 121 is increased, and the gluing between the fire-proof dimensional layer 121 and the wood layer 11 and between the fire-proof dimensional layer 121 and the waterproof layer 123 are firmer.
The embodiment now provides a manufacturing method of the veneer roll with the back glue, which includes the following steps:
the method comprises the following steps: preparing the stability-enhancing composite layer 12, namely gluing the upper surface and the lower surface of the flexibility-enhancing layer 124 and adhering the flexibility-enhancing layer to the fireproof dimensional layers 121 through composite equipment, wherein the lower surface of one fireproof dimensional layer 121 is glued and adhered to the upper surface of the waterproof layer 123 through the composite equipment;
step two: preparing the adhesion combination layer 10, namely gluing the lower surface of the wood layer 11 and continuously adhering the wood layer to the stability-enhancing composite layer 12 through composite equipment;
step three: coating glue on the adhesion combination layer 10, and coating glue on the lower surface of the adhesion combination layer 10;
step four: a composite process of adhering the bottom layer 30 to the adhesive composite layer 10 through a total roll axis.
According to the first step, the flexibility increasing layer 124, the fireproof dimensional layer 121 and the waterproof layer 123 are trimmed and then are respectively leveled through lengthened rolling shafts.
And trimming the wood layer 11 and the stability-enhancing composite layer 12 according to the second step, and then leveling the wood layer and the stability-enhancing composite layer by lengthening rollers respectively.
According to the third step, the adhesive composite layer 10 is leveled by a lengthened roller.
According to the fourth step, the bottom layer 30 and the adhesive composite layer 10 coated with glue are respectively leveled through a lengthened roller.
According to the fourth step, the composite pressure of the total rolling shaft is 10MPa to 18MPa, the temperature is 100 ℃ to 110 ℃, and the speed is 45cm/s to 55 cm/s.
It will be appreciated by persons skilled in the art that the embodiments of the invention described above and shown in the drawings are given by way of example only and are not limiting of the invention. The advantages of the present invention have been fully and effectively realized. The functional and structural principles of the present invention have been shown and described in the examples, and any variations or modifications of the embodiments of the present invention may be made without departing from the principles.

Claims (10)

1. Veneer coiled material with gum, its characterized in that, veneer coiled material with gum includes:
the adhesive combination layer comprises a wood layer, a stability-enhancing composite layer and a second adhesive layer, the stability-enhancing composite layer is used for maintaining the shape of the wood layer, the stability-enhancing composite layer comprises at least one fireproof dimensional layer, the second adhesive layer is coated between the fireproof dimensional layer and the wood layer, the fireproof dimensional layer is bonded to the lower surface of the wood layer through the second adhesive layer, the fireproof dimensional layer can improve the fireproof performance of the wood layer, and the fireproof dimensional layer can maintain the shape of the wood layer;
the first adhesive layer is attached to the lower surface of the stability augmentation composite layer, and the attached composite layer is attached to the plane and/or the curved surface through the first adhesive layer;
the bottom layer is adhered to the lower surface of the stability augmentation composite layer through the first adhesive layer and can be removed from the lower surface of the first adhesive layer.
2. The wood-veneer coiled material with the back adhesive according to claim 1, wherein the stabilization-enhancing composite layer comprises a third adhesive layer and a waterproof layer, the third adhesive layer is coated between the fireproof dimension layer and the waterproof layer, the first adhesive layer is coated on the bottom layer of the waterproof layer, the bottom layer is adhered to the bottom of the waterproof layer through the first adhesive layer, and the waterproof layer can prevent the wood layer from being affected with moisture.
3. The wood veneer coiled material with the back adhesive according to claim 2, wherein the fire-proof dimensional layer is provided with two layers, the stability-enhancing composite layer further comprises a flexibility-enhancing layer and two fourth adhesive layers, the flexibility-enhancing layer is located between the two fire-proof dimensional layers, the flexibility-enhancing layer and the two fire-proof dimensional layers are respectively bonded through the two fourth adhesive layers, and the flexibility-enhancing layer can enhance the bonding firmness of the two fire-proof dimensional layers.
4. The adhesive-backed wood-skin web of claim 3, wherein the surface of the fire-resistant textured layer is provided with a plurality of indentations.
5. Wood skin roll with gum according to claim 4, characterized in that said flexibilizing layer is embodied as a glass fibre braid.
6. The adhesive-backed wood skin web according to claim 5, wherein said fire resistant dimensional layer is implemented as aluminum foil.
7. The adhesive-backed wood skin web according to claim 6, wherein the bottom layer is implemented as a release paper.
8. The manufacturing method of the veneer coiled material with the gum is characterized by comprising the following steps:
the method comprises the following steps: preparing the stability-enhancing composite layer, namely coating glue on the upper surface and the lower surface of the flexibility-enhancing layer and adhering the flexibility-enhancing layer and the fireproof dimensional layer through composite equipment, wherein the lower surface of one fireproof dimensional layer is coated with the glue and adhered to the upper surface of the waterproof layer through the composite equipment;
step two: preparing the adhesion combination layer, namely gluing the lower surface of the wood layer and continuously adhering the wood layer to the stability-increasing composite layer through composite equipment;
step three: coating glue on the adhesion combination layer, and coating glue on the lower surface of the adhesion combination layer;
step four: and (3) carrying out composite treatment, namely adhering the bottom layer to the adhesion combination layer through a main roller.
9. The method of claim 8, wherein the flexible layer, the fire-resistant layer, and the waterproof layer are trimmed and then flattened by elongated rollers, the wood layer and the stability-enhancing composite layer are trimmed and then flattened by elongated rollers, the adhesive composite layer is flattened by elongated rollers, and the bottom layer and the adhesive composite layer coated with glue are flattened by elongated rollers.
10. The method of claim 9, wherein the total roller assembly pressure is 10MPa to 18MPa, the temperature is 100 ℃ to 110 ℃, and the speed is 45cm/s to 55 cm/s.
CN202210734045.6A 2022-06-27 2022-06-27 Wood veneer coiled material with back glue and manufacturing method thereof Pending CN115074047A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210734045.6A CN115074047A (en) 2022-06-27 2022-06-27 Wood veneer coiled material with back glue and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210734045.6A CN115074047A (en) 2022-06-27 2022-06-27 Wood veneer coiled material with back glue and manufacturing method thereof

Publications (1)

Publication Number Publication Date
CN115074047A true CN115074047A (en) 2022-09-20

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Application Number Title Priority Date Filing Date
CN202210734045.6A Pending CN115074047A (en) 2022-06-27 2022-06-27 Wood veneer coiled material with back glue and manufacturing method thereof

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CN (1) CN115074047A (en)

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