JPH054305A - Manufacture of decorative sheet - Google Patents

Manufacture of decorative sheet

Info

Publication number
JPH054305A
JPH054305A JP25012991A JP25012991A JPH054305A JP H054305 A JPH054305 A JP H054305A JP 25012991 A JP25012991 A JP 25012991A JP 25012991 A JP25012991 A JP 25012991A JP H054305 A JPH054305 A JP H054305A
Authority
JP
Japan
Prior art keywords
decorative
paper
resin
thin
unsaturated polyester
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP25012991A
Other languages
Japanese (ja)
Inventor
Yoshiji Suzuki
嘉二 鈴木
Original Assignee
Nippon Print Color Gouban Kogyo Kumiai
日本プリント・カラー合板工業組合
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Print Color Gouban Kogyo Kumiai, 日本プリント・カラー合板工業組合 filed Critical Nippon Print Color Gouban Kogyo Kumiai
Priority to JP25012991A priority Critical patent/JPH054305A/en
Publication of JPH054305A publication Critical patent/JPH054305A/en
Pending legal-status Critical Current

Links

Abstract

(57) [Abstract] [Purpose] A method for manufacturing decorative boards used as furniture decorative materials and architectural decorative materials, in which a small amount of top-coat paint produces a beautiful thick resin coating free from air bubbles, and unsaturated polyester. Since the resin is hard and has toughness, it is an object of the present invention to provide a decorative board capable of significantly improving surface performance as compared with a conventional decorative board. [Structure] After applying an adhesive on a wooden substrate, the weight is 2
A thin decorative paper in the range of 0 to 45 g / m 2 is attached, and then an unsaturated polyester resin paint is applied on the surface of the thin decorative paper to cure it smoothly.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a decorative board used as a decorative material for furniture or a decorative material for construction.

[0002]

2. Description of the Related Art Conventionally, a decorative board having a thin-walled decorative paper having a weight of about 20 to 40 g / m 2 adhered to a wood-based substrate with an adhesive is used as an overcoat layer on the surface of an aminoalkyd resin or an aminoalkyd resin. 40-60g of synthetic resin paint such as urethane resin
/ M 2 (resin solid content 45 to 50%) was applied and dried to maintain the surface performance and aesthetics.

[0003]

However, in such a conventional decorative board, the solid content of the overcoat resin is too high (50%).
% Or more), the properties of the coating make it difficult to apply with current coating equipment such as roll coaters and flow coaters, and air bubbles generated by air and solvents in thin decorative paper and paint may not form in the coating film. Since the topcoat layer could not be thickened due to problems such as being taken in and becoming a defect, it was difficult to say that the appearance of the decorative plate had little depth and the surface properties such as abrasion resistance and scratch resistance were excellent. . In particular, it was far inferior to melamine resin decorative boards and diallyl phthalate resin decorative boards, which were produced by impregnating synthetic resin into decorative paper and thermocompressing semi-dried resin-impregnated paper on the substrate. .

[0004]

The present invention has been made to solve the above-mentioned problems, and its constitution is that the weight is about 20 to 45 g / m 2 after an adhesive is applied on a wood-based substrate. The present invention relates to a method for producing a decorative board, in which a thin decorative paper in the range of 10 is adhered, and then an unsaturated polyester resin coating material is applied on the surface of the decorative paper to cure it smoothly.

[0005]

In the claims 1 or 2 or 3 or 4 of the present invention, the unsaturated polyester resin coating is used as the top coating of thin decorative paper, because the resin solid content of the coating is Since it is almost 100% and has high viscosity and the amount of resin penetrated into the paper is small, not only the applied resin becomes a coating film but also the top coating film can be thickened, the polyester resin is hard and has toughness. Because it is a synthetic resin suitable as a top coat paint for decorative boards. In addition, the use of thin-leaf decorative paper has a thin paper property and does not easily contain air inside, so even if a thick top coat is applied, bubbles are unlikely to occur in the coating film, and the paper strength is appropriate. It depends on the reason such as being there.

[0006]

EXAMPLES The present invention will be described in detail below based on examples. FIG. 1 shows an embodiment of a decorative board manufactured by the method of the present invention.

The wood substrate 1 used in the present invention is composed of a plywood, a particle board, a wafer board, an OSB, a fiber board, etc. alone or in combination.
In this example, plywood having a thickness of 2.5 mm was used.

The thin-leaf decorative paper 2 attached to the upper surface of the wooden substrate 1 is a thin white paper having a weight in the range of 20 to 45 g / m 2 and a low resin penetration amount, and if desired, a wood grain on the surface thereof. It is a pattern paper on which various patterns are printed, or a single-color decorative paper on which a single color is printed. In this example,
The thin decorative paper 2 whose entire surface was printed in white was used.

The adhesive 3 used for adhering the wood-based substrate 1 and the thin decorative paper 2 is a common adhesive composed of vinyl acetate emulsion resin, urea resin, polyester resin, urethane resin, melamine resin, etc. It is glued using a laminator device. The amount of the adhesive 2 applied is usually about 60 to 80 g / m 2 . In this example, 100 parts of urea resin and 1 part of vinyl acetate emulsion resin
After applying 70 g / m 2 of the adhesive 3 mixed with 00 parts and 50 parts of wheat flour on the substrate 1, the substrate 1 and the thin decorative paper 2 were attached using a hot press.

Next, the unsaturated polyester resin 4 is applied to the upper surface of the thin decorative paper 2 attached on the wooden substrate 1.
As the unsaturated polyester resin 4, a transparent resin is used when the thin decorative paper 2 is a pattern paper, and a colored opaque resin is used when it is a non-printing paper. When the thin decorative paper 2 is a single-color decorative paper, either transparent or colored opaque resin is used. A curing catalyst and a curing accelerator are added to the resin 4 immediately before coating. As coating amount, 100-180g
/ M 2 is a standard. As a coating method, after coating a part of the surface of the decorative paper 2, an oxygen-blocking film having a size that covers the entire decorative paper 2 is covered from the upper surface, and the thickness of the resin 4 becomes uniform on the film. When you want to remove the air inside the resin 4 or apply the UV-curable unsaturated polyester resin paint while rolling with a roll to make the overall coating film thickness uniform, a coating machine such as a flow coater. To use.

As the oxygen barrier film, a film of cellophane, tetron, vinylon or the like is used. In this example, 120 g / m 2 of an unsaturated polyester resin paint 4 mixed with titanium white was applied on a thin white decorative paper 2 and its upper surface was covered with a vinylon film to block oxygen. Further, the resin coating material 4 was rolled from the upper surface by a roll to uniformly spread the resin coating material 4 on the upper surface of the decorative paper 2.

If the applied unsaturated polyester resin 4 is a curing type using a curing catalyst, the oxygen-blocking film is peeled off after the curing is completed by leaving it for about 1 to 3 hours at room temperature or under irradiation of far infrared rays. . In the case of UV curable resin, irradiate UV rays for several tens of seconds to obtain the desired decorative plate. In this example, the above decorative plate was left at room temperature for about 1.5 hours to cure the resin 4, and then the film was peeled off to obtain a white decorative plate.

As described above, since the present invention uses the unsaturated polyester resin paint as the top coat paint for the decorative board, not only the applied resin becomes a coating film but also the thin decorative paper which is hardly sucked. Since the resin is applied to
It has a low resin penetration, and a small amount of coating produces a beautiful and thick resin coating film that does not contain bubbles. Further, since the unsaturated polyester resin is hard and has toughness, it has an effect that the surface performance can be greatly improved as compared with the conventional decorative board.

[Brief description of drawings]

FIG. 1 is a sectional view of a decorative plate according to an embodiment of the present invention.

[Explanation of symbols]

1-Wood board 2- Thin leaf decorative paper 3-adhesive 4-unsaturated polyester resin

Claims (4)

[Claims]
1. An adhesive is applied to a wood-based substrate, a thin decorative paper having a weight of about 20 to 45 g / m 2 is applied, and then an unsaturated polyester resin coating is applied to the surface of the thin decorative paper. And then curing the paint smoothly.
2. The method for producing a decorative board according to claim 1, wherein the thin decorative paper is a pattern printing paper, and the unsaturated polyester resin paint applied to the surface of the thin decorative paper is a transparent paint.
3. The thin decorative paper is a non-printing paper or a single-color printing paper, and the unsaturated polyester resin paint applied to the surface thereof is a colored opaque paint.
A method for manufacturing the decorative board described above.
4. The method for producing a decorative sheet according to claim 1, wherein the thin decorative paper is a monochromatic printing paper, and the unsaturated polyester resin paint applied to the surface of the thin decorative paper is a transparent paint.
JP25012991A 1991-06-25 1991-06-25 Manufacture of decorative sheet Pending JPH054305A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP25012991A JPH054305A (en) 1991-06-25 1991-06-25 Manufacture of decorative sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25012991A JPH054305A (en) 1991-06-25 1991-06-25 Manufacture of decorative sheet

Publications (1)

Publication Number Publication Date
JPH054305A true JPH054305A (en) 1993-01-14

Family

ID=17203262

Family Applications (1)

Application Number Title Priority Date Filing Date
JP25012991A Pending JPH054305A (en) 1991-06-25 1991-06-25 Manufacture of decorative sheet

Country Status (1)

Country Link
JP (1) JPH054305A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011508683A (en) * 2007-12-21 2011-03-17 サーファス・テクノロジーズ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング・ウント・コンパニー・コマンディトゲゼルシャフト Method for producing a laminate with a decorative pattern
US10349672B2 (en) 2013-07-19 2019-07-16 Altria Client Services Llc Methods and systems for incorporating nicotine into oral products

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011508683A (en) * 2007-12-21 2011-03-17 サーファス・テクノロジーズ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング・ウント・コンパニー・コマンディトゲゼルシャフト Method for producing a laminate with a decorative pattern
US9174423B2 (en) 2007-12-21 2015-11-03 Surface Technologies Gmbh & Co. Kg Method for producing a decorative laminate
US10349672B2 (en) 2013-07-19 2019-07-16 Altria Client Services Llc Methods and systems for incorporating nicotine into oral products

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