JPS61192502A - Manufacture of artificial decorative veneer - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Technical Field) An artificial decorative veneer having a desired wood grain pattern is obtained by artificially processing a material veneer.

(Background technology) Numerous studies have been conducted to express the wood grain in artificially decorated veneers, including composite methods such as paper, non-woven fabric, and sliced veneers, or printing that dyes the surface of the veneer with different or similar tones. laws were developed. However, such expressions cannot help but be uniform and monotonous, and are seen as natural or natural. The wood grain was dark and lacked finish.

(Purpose of the Invention) The purpose of this invention is to contribute to the development of this industry by imparting a natural look and feel to artificially decorated veneers through wood grain expression.

(Structure of the Invention) The basic structure of the method for producing an artificially decorated veneer of the present invention is as follows.

II) Process the raw material veneer using WPC.

(II (llt- Embossing is performed with hot embossing row μ, and at the same time, the resin is cured.

(Coloring the town embossing surface.

Sand one or both sides of a veneer of tlVl (It) to create a linear pattern.

The veneers of (VI IIV) are laminated in a board-grain or straight-grain pattern to form a fringe, and then cut to obtain an artificial decorative veneer.

Next, the present invention will be explained in detail.

The material veneer is made by cutting logs into veneers of a certain thickness using a rotary lace or slicer, dyeing or decolorizing them, drying them, and assembling them in a mold using adhesive to form a fringe. Artificial decorative veneer can be obtained by applying this flitch.

The present invention is carried out for the purpose of imparting naturalness and natural feel among these manufacturing techniques.

The material veneer (or the material veneer that has been dyed or bleached) is treated with WPC.WPC usually has a moisture content of 10%.
% or less as possible. As the resin liquid, styrene (S, Meta9!JA/Acid Me+/L)
Vinyl monomers such as (MMA), vinyl acetate (VAc), acrylonitriA/(AN), unsaturated polyester/I/(vPE), and acrylic oligomers alone or in mixtures are used.

Set the material veneer in a vacuum cooker and set it to a vacuum system (usually toT
MaP or below, but adjust as appropriate depending on resin impregnation degree, material type, resin type, etc.] To this system, a curing initiator (BPO, MEKPO) is added to the resin liquid (usually 0.2 to 1
．． 09I,) is injected and held under reduced pressure for a certain period of time. For materials that are particularly difficult to inject, the material can be returned to atmospheric pressure and further pressurized to improve injectability.

Also, materials with very good injectability can be treated under atmospheric pressure in a so-called immersion state.

The raw material veneer thus treated is subjected to embossing using a hot embossing throw/L/ (normally 120 to 200°C and 8°C). At this time, the resin is cured by a curing initiator or heat. The resulting veneer is embossed on both sides and the resin is cured, creating a very strong embossment.

Next, set the colorant on a coating machine such as Low/L/2-Yu,
Coloring is applied to one or both sides of the treated material veneer.

(The amount of coating is usually about ω to 1009β, but it is controlled appropriately depending on the degree of coloring.) The colored veneer is sanded to sand one or both sides of the veneer. The depth of sanding is appropriately controlled depending on the degree of pattern creation. The material veneers thus obtained are laminated, pressed, and integrated to form 7 rich pieces, and the fringe is sliced to obtain artificial decorative veneers.

A detailed explanation will be given below based on examples.

Example 1 A 1.0% lauan rotary veneer was subjected to WPC treatment in a polyester/styrene = 100/20, BPO, 2% system under reduced pressure for 6 to gaH for 92 hours. 185°C
Embossing was performed on one side using embossing roller μ.

Further, a coloring liquid containing a black thread dye dissolved therein is applied to the embossed surface using a low μ coater (12097M), and the embossed surface is sanded using a sander to obtain a veneer. this,
Laminate in a plank pattern, flitch, and slice to create pattern 1
81 artificial decorative veneers were obtained.

Example 2 Dyed veneer of Merapi (rotary veneer 1.2%) was treated with MMA
+BP00.5% system under reduced pressure from 12 to 1 discharge 91 hours WPC
Processed. Embossing was performed on this with a 205° single-sided embossing throw μ. Furthermore, a coloring solution containing dissolved black thread dye is applied to both sides of the veneer using a double-sided roll coater (ss yy &
) and sand the embossed surface using a sander to obtain a veneer. This was laminated in a plank pattern and sliced into two pieces to obtain an artificial decorative veneer of pattern 1b).

Example 3 Dyed veneer of Hupfu (rotary veneer 0.9%) was AN
/ 8t-70730B P OO, 5% system under reduced pressure 3
) WPC treatment was performed with mF1'i for 2 hours. 180 for this
°C Embossing roller and embossing were performed on both sides. Furthermore, a coloring liquid containing the front thread dye is applied to one side of the veneer (90~
The colored surface is sanded with a sander to obtain a veneer. This was laminated in a board pattern and flitched to obtain an artificial decorative veneer of pattern Ic).

Example 4 Wogura (rotary veneer, 1.3%) Material veneer Wopo') x 7 Te/' (V P Z ) / S (
WPC treatment was performed for 3 hours at 1011×9 under reduced pressure with -6% OB POQ and 7% yarn. Embossing was performed on this with a 170-180'C double-sided embossing roll. Furthermore, a coloring liquid containing a blue-black dye is applied to both sides of the veneer (AO 9.M
) and sanded the colored side with a sander (one side) to obtain a Sea C veneer. This was laminated in a board pattern and sliced into flitches to obtain an artificial decorative veneer with pattern TDL.

Example 5 Dyed veneer of lauan (rotary veneer 1.2%) was PE
GMA 350 + B P OO, 5NE Te reduced pressure 2
Wpc treated at ~3uHf for 4 hours. This is K200~
Embossing was performed using a 205° double-sided embossing roll.

Furthermore, a coloring liquid containing dissolved black thread dye is applied to both sides of the veneer (70
~80 ri β), sanded on both sides with a sander, and sliced it into a laminated flitch using a board pattern to obtain an artificial decorative veneer with a pattern of tel.

(Effects of the invention) A natural look and feel could be achieved by expressing the difference in shading and jagged wood grain in artificially decorated veneers.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing the manufacturing process of the present invention, FIG. 2 is a plan view of the artificial decorative veneer of the invention, and FIG. 3 is a perspective view showing the manufacturing process of another embodiment.

Claims (1)

[Claims] 1) Embossing is performed on a WPC-treated material veneer, and then the embossed surface is colored, polished, laminated and pressed to form a flitch, and then sliced into thin pieces. A manufacturing method for artificially decorated veneers.