CN111040651A - Pressure-sensitive flexible veneer and manufacturing method thereof - Google Patents
Pressure-sensitive flexible veneer and manufacturing method thereof Download PDFInfo
- Publication number
- CN111040651A CN111040651A CN201911166111.9A CN201911166111A CN111040651A CN 111040651 A CN111040651 A CN 111040651A CN 201911166111 A CN201911166111 A CN 201911166111A CN 111040651 A CN111040651 A CN 111040651A
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- China
- Prior art keywords
- pressure
- veneer
- flexible
- sensitive
- sensitive adhesive
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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
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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
- 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
-
- 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
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
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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
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/20—Presence of organic materials
- C09J2400/30—Presence of wood
- C09J2400/303—Presence of wood in the substrate
-
- 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
- C09J2423/00—Presence of polyolefin
- C09J2423/04—Presence of homo or copolymers of ethene
- C09J2423/046—Presence of homo or copolymers of ethene in the substrate
-
- 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
- C09J2423/00—Presence of polyolefin
- C09J2423/10—Presence of homo or copolymers of propene
- C09J2423/106—Presence of homo or copolymers of propene in the substrate
-
- 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
- C09J2433/00—Presence of (meth)acrylic polymer
-
- 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
- C09J2475/00—Presence of polyurethane
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a pressure-sensitive flexible veneer and a manufacturing method thereof. The invention relates to a pressure-sensitive flexible veneer, which comprises the following components: the flexible material layer, the thin wood layer and the pressure-sensitive adhesive layer; the invention also discloses a preparation method of the pressure-sensitive flexible veneer, wherein the flexible material layer is pressed on the front surface of the veneer to enhance the flexibility of the veneer so that the veneer does not crack or break; the pressure-sensitive adhesive layer is used on the back of the veneer, so that decoration is quick, glue does not need to be added, and decoration steps are optimized.
Description
Technical Field
The invention relates to a pressure-sensitive flexible veneer and a manufacturing method thereof, belongs to the wood processing industry, and is a new material adopted in the decoration fields of wood products, decoration, fitment and the like.
Background
With the increasing scarcity of precious wood resources and the continuous improvement and progress of people on the processing technology of wood products, the veneer material plays an increasingly important role in home decoration and wood product manufacture.
Common technical veneers or natural veneers have certain defects, such as brittleness and easy cracking, and the problems of coating adhesives, surface painting and the like during decoration and use. According to literature data, for example, patent CN201610809177.5 "an aldehyde-free water-resistant plastic film reinforced flexible decorative veneer and its preparation method", and patent CN201310385536.5 "a flexible decorative veneer" are all flexible veneers, but an adhesive is still required to be coated in the decorative finishing process, and a finishing step is added.
Disclosure of Invention
In view of the technical problems, the invention aims to provide a pressure-sensitive flexible veneer, which increases the flexibility, prevents cracking and fracture and retains the color and texture of the veneer by using a transparent flexible material layer on the front surface of the veneer; the film and the veneer are combined, so that the painting process in use is avoided, and the product is green and environment-friendly; the veneer is derived from recombined decorative material assemblies, logs and the like, and provides color textures required by the market; the pressure-sensitive adhesive is used on the back surface of the veneer, and when the pressure-sensitive adhesive is used for decoration, the step of coating the adhesive for decoration is omitted, so that the decoration cost is reduced, and the wood veneer is green and environment-friendly.
In order to achieve the purpose, the invention adopts the following technical scheme:
the pressure-sensitive flexible veneer is characterized by comprising a flexible material layer, a veneer layer and a pressure-sensitive adhesive layer, and is formed by the following processing steps:
step a) performing rotary cutting or slicing on the recombined decorative material and the log into thin wood;
step b), carrying out hot-pressing gluing on the flexible plastic decorative film and the front surface of the veneer at the hot-pressing temperature of 100-170 ℃, the unit pressure of 0.1-1.0 MPa and the time of 5-10 min;
and c) coating the pressure-sensitive adhesive on the reverse side of the veneer to form the pressure-sensitive adhesive layer.
Preferably, the thickness of the veneer layer is 0.20 mm-1.00 mm, and the water content is 8% -16%.
Preferably, the flexible material layer is made of materials including, but not limited to, polypropylene (PP), Polyethylene (PE); the flexible material layer provides the veneer pliability, also protects the pressure sensitive adhesive layer when the packing is rolled up.
Preferably, the parameters during hot pressing are set to be the hot pressing temperature of 100-170 ℃, the unit pressure of 0.1-1.0 MPa and the time of 5-10 min;
preferably, the pressure-sensitive adhesive material used for the pressure-sensitive adhesive layer is acrylate copolymer and waterborne polyurethane.
Detailed Description
The present invention is further described in the detailed description, which is not intended to limit the invention, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but only within the scope of the claims of the present invention.
Example 1
Rotary cutting or slicing the log into thin wood with the thickness of 0.50 mm;
hot-pressing and gluing the front surface of the veneer with polypropylene as a flexible plastic decorative film at the hot-pressing temperature of 165 ℃ under the unit pressure of 0.7MPa for 7 min;
coating the acrylate copolymer as a pressure-sensitive adhesive on the back surface of a veneer to form a pressure-sensitive adhesive layer;
and rolling, packaging and warehousing the pressure-sensitive flexible veneer.
Example 2
Example 2 differs from example 1 in that the flexible material layer used in example 2 was polyethylene and the hot pressing temperature was 100 ℃.
Example 3
Example 3 is different from example 1 in that the material used for the pressure sensitive adhesive layer in example 3 is aqueous polyurethane, and the hot pressing temperature is 140 ℃.
Example 4
Example 4 is different from example 1 in that polyethylene is used for the flexible material layer, aqueous polyurethane is used for the pressure sensitive adhesive layer, and the hot pressing temperature is 120 ℃.
Comparative example 1
Comparative example 1 differs from example 1 in that comparative example 1 directly laminates veneer with pressure sensitive adhesive without using a layer of flexible material.
Comparative example 2
Comparative example 2 is different from example 1 in that comparative example 2 employs a non-woven fabric as a flexible material layer without a pressure sensitive adhesive layer.
Through comparison between the embodiment and the comparative example, the embodiment adopts the pressure-sensitive adhesive as the decorative adhesive, so that the use of the glue in the decoration process is reduced, and the decoration convenience and the environmental protection are provided; the finished products of examples 1-4 use polyethylene or polypropylene as the flexible material layer, have better flexibility, do not crack, and the transparent plastic film retains the original color of the veneer; the finished product of the comparative example 1 has no flexible material layer, and the veneer has poor flexibility and is easy to crack; comparative example 2 non-woven fabric is used as the flexible material layer, no pressure sensitive glue layer is provided, glue is still required to be coated during decoration, and the decoration step is increased.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The pressure-sensitive flexible veneer is characterized by comprising a flexible material layer, a veneer layer and a pressure-sensitive adhesive layer, and is formed by the following processing steps:
step a) performing rotary cutting or slicing on the recombined decorative material and the log into thin wood;
step b), carrying out hot-pressing gluing on the flexible plastic decorative film and the front surface of the veneer at the hot-pressing temperature of 100-170 ℃, the unit pressure of 0.1-1.0 MPa and the time of 5-10 min;
and c) coating the pressure-sensitive adhesive on the reverse side of the veneer to form the pressure-sensitive adhesive layer.
2. The pressure sensitive flexible veneer of claim 1, wherein: the flexible material layer is made of polypropylene (PP) or Polyethylene (PE).
3. The pressure sensitive flexible veneer of claim 1, wherein: the thickness of the flexible material layer is 0.05 mm-0.25 mm.
4. A pressure sensitive flexible veneer according to claim 1, wherein: the thickness of the veneer layer is 0.20 mm-1.00 mm, and the water content is 8% -16%.
5. The pressure-sensitive flexible veneer as claimed in claim 1, wherein the pressure-sensitive adhesive material used in the pressure-sensitive adhesive layer is acrylate copolymer or aqueous polyurethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911166111.9A CN111040651A (en) | 2019-11-25 | 2019-11-25 | Pressure-sensitive flexible veneer and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911166111.9A CN111040651A (en) | 2019-11-25 | 2019-11-25 | Pressure-sensitive flexible veneer and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111040651A true CN111040651A (en) | 2020-04-21 |
Family
ID=70233366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911166111.9A Pending CN111040651A (en) | 2019-11-25 | 2019-11-25 | Pressure-sensitive flexible veneer and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111040651A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2222755Y (en) * | 1995-04-28 | 1996-03-20 | 张文喜 | Composite ornamental wood board |
| CN107309982A (en) * | 2017-06-22 | 2017-11-03 | 中国林业科学研究院木材工业研究所 | It is a kind of to strengthen the preparation method of flexible decoration veneer without curling plastic film |
-
2019
- 2019-11-25 CN CN201911166111.9A patent/CN111040651A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2222755Y (en) * | 1995-04-28 | 1996-03-20 | 张文喜 | Composite ornamental wood board |
| CN107309982A (en) * | 2017-06-22 | 2017-11-03 | 中国林业科学研究院木材工业研究所 | It is a kind of to strengthen the preparation method of flexible decoration veneer without curling plastic film |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200421 |
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| RJ01 | Rejection of invention patent application after publication |