JPH02204003A - Manufacture of colored synthetic resin-impregnated hardened matter - Google Patents

Abstract

PURPOSE:To obtain resin-impregnated hardened matter having clear contrast and deep feeling color by a method wherein a wood base material is singly treated with impregnating solution, which is prepared by mixing incompatible dye and pigment with synthetic resin, by impregnation. CONSTITUTION:Wood base material is impregnated with impregnating solution, which is prepared by mixing incompatible dye and pigment, by normal impregnating method such as vacuum and pressure impregnation, immersion, hot and cold bath impregnation or the like. Pigment ingredient is filled by wood tissue, resulting in mainly remaining only in the neighborhood of tracheal lumina in broad leaved wood material so as to produce the predetermined color tone, while dye ingredient penetrates deeper beyond the neighborhood of tracheal lumina and reaches the cellular lumina of various cells. After impregnation, the wood base material is hardened with a hot press. At this time, by making the color tones of the dye ingredient and of the pigment ingredient different from each other, resin-impregnated hardened matter with color tones, which are varied in design, is obtained.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a method for producing building materials for flooring and wall materials, as well as all-in-one materials used for sinks, cooking tables, storage cabinets, and the like.

[Prior art and its problems] Conventionally, as a method for producing a cured product of a wooden material impregnated with a colored synthetic resin, a synthetic resin colored with a dye is impregnated into a wooden material.
By curing, a cured resin product with rich dyed design properties was obtained. However, although it is L5, with this method,
In order to impregnate with a uniform impregnation solution using only dye,
The color tone of the resin-impregnated cured product obtained by curing was similar in color and tended to be a little monotonous. Therefore, when attempting to obtain a cured product impregnated with two or more different colored synthetic resins using the L distribution method, two or more impregnation treatments with resin impregnating liquids of different colors are required. Therefore, there was a concern that manufacturing using the 1-power distribution method would increase costs and complicate the work.

[Purpose of Development 1j] The present invention has been made in order to solve the problem described in 1. That is, when impregnating colored synthetic resin into wooden materials such as solid sawn boards, natural precious wood veneers, and laminated sliced veneers, as well as particle boards and wafer boards, the synthetic resin is dissolved in phase W. Colored synthetic resin impregnation is characterized by mixing dyes and pigments to form a single impregnating liquid, distributing this impregnating liquid to the essential material, and impregnating it with a normal impregnation method, such as a vacuum fist pressurization method or a dipping method. The object of the present invention is to provide a method for producing a cured product.

[Disclosure of invention] The present invention will be explained in more detail below.

In the present invention, in order to perform the colored resin impregnation step, which is costly, in one step, dyes and pigments that do not dissolve in the interlayer are mixed together.
When this impregnating liquid is impregnated into a wood material by a normal impregnation method, such as a vacuum-pressure impregnation method, an immersion method, or a hot/cold bath impregnation method, the L pigment component is filtered through the wood tissue. For example, in hardwood materials, dye components mainly exist only near the duct pores to produce a predetermined color tone, and the dye components reach deeper into the intracellular portions of various cells than near the duct pores. Therefore, by making the color tones of the dye component and the pigment component different, a resin-impregnated cured product of a wood material having a color tone with a richer variety in design can be obtained. In this case, among hardwood materials, the ring-pore wood material with localized conduit pores has a clearer two-tone contrast and is even better than the diffuse-pore wood material.

Next, embodiments of the present invention will be described in detail.

[Example 1] A 15 mm thick white ash board was prepared under reduced pressure (1 mmHg
) for 6 hours, then add a synthetic resin of the following composition.
The resin was injected into the two-leg board material and kept under a pressure of 30Kg/C for 16 hours to complete the resin injection.Then, hot press (
Conditions = 150℃, 30 minutes 310Kg/Cmz) NiJ
Knee 1 Te hardening Saseta.

Unsaturated polyester resin = 100 parts by weight Styrene monomer = 40 parts by weight 5olvent Y
yellow18 (manufactured by BASF): 5 parts by weight 5ol
vent Red81 (manufactured by Hodogaya): 1 layer Pigsu+nt Blackl (manufactured by Yamaba Color): 20
Part by weight benzoyl peroxide = 2 parts by weight (B
-P・0) When the resin-impregnated cured material of the white ash sawn board obtained in this way was thoroughly polished with sandpaper, the conduit part of the white ash sawn board was colored black with pigment, and other parts, such as wood The fibers were colored bright orange, giving a clear contrast.

[Example 2] Solid birch wood with a thickness of 10 liters was impregnated and cured with the following blended resin in the same manner as in Example 1.

Polyester acrylate resin + 100 parts by weight Butyl acetate: 10 parts by weight Toluene
:15 parts by weight methanol
=20 parts by weight 5olvent Blue25 (BA
Made by SF): 4fffffi part titanium white
: 20 parts by weight When the thus obtained resin-impregnated cured product was sufficiently polished with a sand vapor, the entire product was blue with pale bluish-white conduit grooves clearly appearing.

With normal painting methods, this cannot be achieved in one step, and one colored layer is sufficiently thick.

A deep impregnated cured product of birch wood was obtained.

[Example 3] A lam-thick oak veneer was immersed for 3 minutes in a synthetic resin solution of the following formulation at 110°C, and then immersed in a synthetic resin solution of the same formulation to which 8 parts by weight of benzoyl peroxide was added. ,2
It was left to stand for 4 hours to form an impregnated veneer.

Furthermore, this impregnated veneer was placed on a 15 mm thick plywood board via an acrylic emulsion adhesive (coating amount: 90 g/■2), and hot pressed (conditions: 140°C, 20 minutes, 8 Kg/Gm2). ), the resin was cured at the same time as heat and pressure bonding.

Unsaturated polyester resin: 100 parts by weight Styrene monomer 230 parts by weight 5olvent R
ed8 (manufactured by Mitsubishi Kasei) = 3 parts by weight Pig + 5en
t Blackl (manufactured by Yamaba Shiki): 30 parts [Example 4] A 9I thick wafer board mainly made of asbenne material was impregnated and cured with a synthetic resin liquid of the following composition in the same manner as in Example 2, and a wafer board was prepared. A resin-impregnated cured product was obtained.

Urethane acrylate: 100 l 1 part Methanol: 30 parts by weight Toluene
=30 parts by weight 5olvent Brow
n37 (manufactured by BASF): 5 parts by weight titanium white
= 30 parts by weight After the surface of the thus obtained resin-impregnated cured wafer board was ground by νJ,
When sufficiently polished with sandpaper, the voids in the wafer board become light brown and filled with &4M fat, and the asben material chips become dark brown. 1. A design whose color tone is reversed compared to the one made with ordinary dye. It became a board with.

[Effects of the Invention] The present invention has the following effects. That is, a dye and a pigment that are not mutually soluble in a synthetic resin are mixed into one impregnating liquid, and s! Only one fat impregnation process can produce two different results.
It has two color tones. A resin-impregnated cured product of a wood material is obtained, and this resin-impregnated cured product has a clear contrast and deep color.

Furthermore, since the resin impregnation step is completed in one step compared to conventional methods, the cost increase due to the impregnation step can be suppressed as much as possible.

Patent applicant: Eidai Sangyo Co., Ltd.

Claims (1)

[Claims] When impregnating a wooden material with a colored synthetic resin, a dye and a pigment that are not mutually soluble in the synthetic resin are mixed into one impregnating liquid, and the wood material is impregnated with this impregnating liquid once. A method for producing a cured product impregnated with a synthetic resin.