JPH03293124A - Wood-based decorative sheet with flame retardance - Google Patents
Wood-based decorative sheet with flame retardanceInfo
- Publication number
- JPH03293124A JPH03293124A JP9679590A JP9679590A JPH03293124A JP H03293124 A JPH03293124 A JP H03293124A JP 9679590 A JP9679590 A JP 9679590A JP 9679590 A JP9679590 A JP 9679590A JP H03293124 A JPH03293124 A JP H03293124A
- Authority
- JP
- Japan
- Prior art keywords
- flame
- wood
- water
- veneer
- retardant
- 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
Links
- 239000002023 wood Substances 0.000 title claims abstract description 26
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000003063 flame retardant Substances 0.000 claims abstract description 31
- 239000011248 coating agent Substances 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 239000000853 adhesive Substances 0.000 claims abstract description 12
- 230000001070 adhesive effect Effects 0.000 claims abstract description 12
- 238000009833 condensation Methods 0.000 claims abstract description 8
- 230000005494 condensation Effects 0.000 claims abstract description 8
- 229920005989 resin Polymers 0.000 claims abstract description 8
- 239000011347 resin Substances 0.000 claims abstract description 8
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 5
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 5
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 5
- 239000004615 ingredient Substances 0.000 claims abstract 5
- 239000003973 paint Substances 0.000 claims description 12
- 239000000123 paper Substances 0.000 claims description 10
- 239000007864 aqueous solution Substances 0.000 claims description 8
- 239000000049 pigment Substances 0.000 claims description 3
- 239000004606 Fillers/Extenders Substances 0.000 claims description 2
- 239000003086 colorant Substances 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000011120 plywood Substances 0.000 description 10
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- 239000004202 carbamide Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000004114 Ammonium polyphosphate Substances 0.000 description 2
- 229920000877 Melamine resin Polymers 0.000 description 2
- 235000019826 ammonium polyphosphate Nutrition 0.000 description 2
- 229920001276 ammonium polyphosphate Polymers 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- BIGPRXCJEDHCLP-UHFFFAOYSA-N ammonium bisulfate Chemical compound [NH4+].OS([O-])(=O)=O BIGPRXCJEDHCLP-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 239000011094 fiberboard Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
- Laminated Bodies (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は難燃性を有する木質化粧板に関するものである
。DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention relates to a wood decorative board having flame retardancy.
（従来の技術）
特殊合板の日本農林規格（以下ＪＡＳという）において
は、天然木化粧板は通常ラワン合板を基材として、これ
に接着剤を介して突板単板を貼着しその表面に着色剤又
は有機塗料を塗装してから成るものと規定され、また特
殊加工化粧板は通常ラワン合板を基材として、これに接
着剤を介して木目模様や抽象柄等を印刷した化粧紙を貼
着してその表面に有機塗料を塗装するか、若しくはラワ
ン合板に接着剤を介してプレコート紙を貼着することか
らなるもの、又は基材に無色の紙を貼着しその上に顔料
を含む有機塗料を塗装して成るものと規定されている。(Prior technology) According to the Japanese Agricultural Standards (hereinafter referred to as JAS) for special plywood, natural wood decorative boards are usually made of lauan plywood as a base material, a veneer veneer is attached to this using an adhesive, and the surface is colored. Specially processed decorative boards are usually made of lauan plywood as a base material, and decorative paper printed with wood grain patterns, abstract patterns, etc. is attached to this using an adhesive. and applying an organic paint to the surface, or pasting pre-coated paper to lauan plywood with an adhesive, or pasting a colorless paper on the base material and applying an organic paint containing a pigment to the base material. It is stipulated that it must be made of paint.
また近年ラワン合板に替わって中密度繊維板を用いる例
があるが、いずれもＪＡＳの要求品質を満たしている。In recent years, there have been examples of using medium density fiberboard instead of lauan plywood, but all of them meet the quality requirements of JAS.
通常木質化粧板は、その原料構成から推察される様に火
炎に対する耐性は極めて弱いものであり、火炎に接する
と２０〜３０秒で燃えはじめ以後臼らの燃焼熱で雰囲気
温度を高めつつ自己燃焼を続けるので、火災要因の１つ
になっているのである。Normally, wood decorative boards have extremely low resistance to flames, as expected from their raw material composition, and when they come in contact with flames, they begin to burn within 20 to 30 seconds, and then self-combust while raising the ambient temperature with the combustion heat of the mortar. This is one of the causes of fires.
従って、木質化粧板の難燃化については、最大の発熱源
である木質基材の難燃化が自己燃焼性を防ぐ重大なポイ
ントとなる。Therefore, when it comes to making wood decorative boards flame-retardant, making the wood base material, which is the biggest source of heat, flame-retardant is an important point to prevent self-combustibility.
木質基材の難燃化については、難燃薬液を含浸せしめる
方式が一般的に行われている。A commonly used method for making wood base materials flame retardant is to impregnate them with flame retardant chemicals.
（発明が解決しようとする課題）
木質基材を難燃化するために、難燃薬液を含浸せしめる
方式は生産性が悪く、コスト高となるので、経済性の点
で難点があった。(Problems to be Solved by the Invention) The method of impregnating a wood base material with a flame retardant solution to make it flame retardant has poor productivity and high cost, so it has disadvantages in terms of economic efficiency.
そこで本発明者等は化粧板の難燃性能のすぐれた木質基
材およびその経済性の高い生産方式について、鋭意研究
した結果、本発明を完成した。Therefore, the present inventors have completed the present invention as a result of intensive research into a wood base material with excellent flame retardant performance for decorative laminates and a highly economical production method thereof.
（課題を解決するための手段）
本発明は火炎に接触しても比較的長時間耐え得る難燃性
化粧板を提供しようとするものである。(Means for Solving the Problems) The present invention seeks to provide a flame-retardant decorative board that can withstand relatively long periods of contact with flame.
即ち、本発明は木質基材に下地塗装剤として、ポリビニ
ルアルコール及び／又はポリアクリルアミドを必須成分
とする水溶液を塗装し、次いでその上に水溶性若しくは
水分散性の縮合系樹脂を必須成分とする難燃塗装剤を塗
装し、更にその上に有機塗料を塗装するか又は接着剤を
介して化粧紙又は突板単板を貼着してなる木質化粧板で
あり、及び木質基材に、水溶性及び／又は水分散性の縮
合系樹脂を必須成分とする難燃塗装剤を塗装し゛、その
上に接着剤を介して化粧紙又は突板単板を貼着してなる
木質化粧板である。That is, in the present invention, an aqueous solution containing polyvinyl alcohol and/or polyacrylamide as an essential component is applied to a wood base material as a base coating agent, and then a water-soluble or water-dispersible condensation resin is applied as an essential component thereon. It is a wood decorative board that is coated with a flame retardant paint and then an organic paint or a decorative paper or veneer veneer is attached via an adhesive. and/or a wood decorative board coated with a flame retardant coating agent containing a water-dispersible condensation resin as an essential component, and a decorative paper or veneer veneer adhered thereon via an adhesive.
このような難燃塗装をすることにより、化粧板が燃焼す
る際の最も大きな発熱源である木質基材を火炎から遮断
しようとするものである。By applying such a flame-retardant coating, the wood base material, which is the largest source of heat when the decorative board burns, is intended to be shielded from flame.
ポリビニルアルコール及び／又はポリアクリルアミドを
必須成分とする水溶液としては、ケン化度９８％、重合
度５００〜２０００ポリビニルアルコールの５〜７％水
溶液、及び／又はポリアクリルアミドの５〜１０％水溶
液を混合した水溶液がある。As an aqueous solution containing polyvinyl alcohol and/or polyacrylamide as an essential component, a 5-7% aqueous solution of polyvinyl alcohol with a degree of saponification of 98% and a degree of polymerization of 500-2000, and/or a 5-10% aqueous solution of polyacrylamide were mixed. There is an aqueous solution.
３ −
この場合の下地剤は難燃塗膜を経由して伝わる熱を分解
潜熱で遮断し、木質基材の熱分解を遅らせる効果を有す
るが、木質基材の上に、下地剤を塗装せず、直接難燃塗
装剤を塗装してもよい。3 - In this case, the base agent has the effect of blocking the heat transmitted via the flame-retardant coating film with latent heat of decomposition and delaying the thermal decomposition of the wood base material. Alternatively, a flame retardant coating agent may be applied directly.
水溶性若しくは水分散性の縮合系樹脂を必須成分とする
難燃塗装剤としては、メラミンまたは尿素のメチロール
化物とポリ燐酸アンモニウムを主成分とする難燃塗料が
ある。Examples of flame-retardant coating agents containing a water-soluble or water-dispersible condensation resin as an essential component include flame-retardant coatings whose main components are methylolated products of melamine or urea and ammonium polyphosphate.
生成された難燃塗膜は火炎に接すると速やかに炭素と燐
を主成分とする発泡層を形成し、これが強力に火炎熱を
遮断する効果がある。有機塗料には着色剤又は体質顔料
を含ませることにより目的に応じた塗装を行うことがで
きる。When the produced flame-retardant coating comes into contact with flame, it immediately forms a foam layer mainly composed of carbon and phosphorus, which has a strong effect of blocking flame heat. By adding a colorant or extender pigment to the organic paint, it is possible to apply a coating according to the purpose.
また難燃塗料を加熱硬化せしめた後、平面を平滑にする
為に、必要に応じて研磨し、その上に尿素系又はビニル
系接着剤を介して突板単板か又は化粧紙を貼着する。After the flame-retardant paint is heated and cured, it is polished as necessary to make the surface smooth, and a veneer veneer or decorative paper is pasted on top of it using a urea-based or vinyl-based adhesive. .
このようにして得られた木質化粧板は難燃性にすぐれ、
火炎に接してもその基材は長時間燃えないのである。The wood decorative board obtained in this way has excellent flame retardancy,
Even when exposed to flame, the base material does not burn for a long time.
４−
（実施例）
以下実施例により説明するが、本発明はこれらにより制
限されるものではない。4- (Example) The present invention will be explained below using Examples, but the present invention is not limited thereto.
実施例１
厚さ２．５箇うワン合板に接着剤を介して厚さ０、 ６
ｍｍのマンガシロ単板を貼着し、この表面に６％ポリビ
ニルアルコール（日本合成化学工業（株）・ＧＨ−１７
）水溶液をａ ｏ ｇ／ゴ塗装して乾燥した。Example 1 A piece of plywood with a thickness of 2.5 mm and a thickness of 0.6 mm using adhesive.
A Mangashiro veneer with a diameter of
) The aqueous solution was coated with aog/go and dried.
次にこの表面にメチロール化メラミンとポリ燐酸アンモ
ニウムを主成分とする難燃塗料（大日本インキ化学・リ
ュウコッカＡ−１、商品名）に硬化触媒として重硫酸ア
ンモニウムを添加した溶液を３００ ｇ／ｄ塗装し硬化
せしめた。Next, 300 g/d of a solution of flame retardant paint (Dainippon Ink Chemical, Ryukocca A-1, trade name) containing methylolated melamine and ammonium polyphosphate as main components and ammonium bisulfate added as a curing catalyst was applied to this surface. and hardened it.
更に硬化した難燃塗膜表面を＃２４０サンドペーパーで
研磨して表面を平滑にした後、ウレタン系塗料（大日本
インキ化学工業（株）・パーノックＭ−５３５０、商品
名）をＢｏｇ／ｒｄ塗装して乾燥せしめた。Furthermore, the surface of the cured flame-retardant coating was polished with #240 sandpaper to make the surface smooth, and then urethane paint (Dainippon Ink & Chemicals Co., Ltd., Parnock M-5350, trade name) was applied with Bog/rd coating. and dried.
実施例２
実施例１で難燃塗料を塗装硬化せしめた木質基材に、尿
素系接着剤７０ｇ／ｒｄを介してプレコト紙（日本デコ
ール（株）・ブイラップエース、商品名）を貼着した。Example 2 Pre-coated paper (Nihon Decor Co., Ltd., V-Wrap Ace, trade name) was attached to the wooden base material on which the flame-retardant paint was applied and cured in Example 1 via a urea-based adhesive of 70 g/rd. .
実施例３
厚さ２．５ｍｍのラワン合板に接着剤を介して厚さ０．
６ｍｍのマンガンロ単板を貼着し、この表面に下地剤
を塗装しない外は実施例２と同様に処理した。Example 3 A 2.5 mm thick lauan plywood board was coated with an adhesive to a thickness of 0.5 mm.
A 6 mm manganese veneer was attached and treated in the same manner as in Example 2, except that the surface was not coated with a primer.
プレコート紙貼り特殊加工化粧合板を試験体と同一条件
、即ち乾燥剤を有するデシケータ内で３日間乾燥した後
試験に供した。Specially processed decorative plywood covered with pre-coated paper was dried under the same conditions as the test specimen, that is, in a desiccator containing a desiccant for 3 days, and then subjected to the test.
応用例
実施例１．２および３で得られたものを試験片として難
燃性能とＪＡＳ特殊加工化粧合板のＦＷ長基準もとずく
塗膜の理化学的諸物性を調査した結果は次のとうりであ
った。Application Examples Using the test pieces obtained in Examples 1.2 and 3, we investigated the flame retardant performance and physical and chemical properties of the paint film based on the FW length standard of JAS specially processed decorative plywood.The results are as follows. Met.
尚、難燃試験は４５度メツケルバーナー法で４分間接炎
せしめ、残炎時間・残侭時間・基材の炭化面積を測定し
た。In the flame retardancy test, indirect flame was applied for 4 minutes using a 45 degree Metkel burner method, and afterflame time, residual dwell time, and carbonized area of the base material were measured.
この時比較用としてラワン合板、ウレタン樹脂本発明品
はＪ ＡＳ −ＦＷ長基準全ての項目に合格した。At this time, for comparison, the lauan plywood and urethane resin product of the present invention passed all items of the JAS-FW length standard.
以上の試験結果から本発明品は非常に難燃性にすぐれた
木質化粧板であることが認められる。From the above test results, it is recognized that the product of the present invention is a wood decorative board with extremely excellent flame retardancy.
７−
（発明の効果）
本発明により難燃性能にすぐれた化粧板が得られるし、
さらに生産性の良い塗装方式で難燃処理を施したので、
難燃性を有する木質化粧板を安価に得ることができる。7- (Effects of the invention) According to the present invention, a decorative board with excellent flame retardant performance can be obtained,
Furthermore, flame retardant treatment was applied using a highly productive coating method, so
A wood decorative board having flame retardancy can be obtained at low cost.
８−8-
Claims (1)
ル及び／又はポリアクリルアミドを必須成分とする水溶
液を塗装し、次いでその上に水溶性若しくは水分散性の
縮合系樹脂を必須成分とする難燃塗装剤を塗装し、更に
その上に有機塗料を塗装してなる木質化粧板。 ２、請求項１記載の難燃塗装剤の上に、更に接着剤を介
して化粧紙又は突板単板を貼着してなる木質化粧板。 ３、木質基材に、水溶性及び／又は水分散性の縮合系樹
脂を必須成分とする難燃塗装剤を塗装し、その上に接着
剤を介して化粧紙又は突板単板を貼着してなる木質化粧
板。 ４、有機塗料に着色剤又は体質顔料を含むことを特徴と
する請求項１記載の木質化粧板。[Scope of Claims] 1. An aqueous solution containing polyvinyl alcohol and/or polyacrylamide as an essential component is coated on a wood substrate as a base coating agent, and then a water-soluble or water-dispersible condensation resin is coated on top of the aqueous solution as an essential component. A wood decorative board that is coated with a flame-retardant coating agent and then coated with an organic coating. 2. A wood decorative board obtained by further adhering decorative paper or a veneer veneer to the flame retardant coating agent according to claim 1 via an adhesive. 3. A flame retardant coating agent containing a water-soluble and/or water-dispersible condensation resin as an essential ingredient is applied to the wood base material, and decorative paper or veneer veneer is pasted on top of it using an adhesive. Wooden decorative board. 4. The wood decorative board according to claim 1, wherein the organic paint contains a coloring agent or an extender pigment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9679590A JPH03293124A (en) | 1990-04-12 | 1990-04-12 | Wood-based decorative sheet with flame retardance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9679590A JPH03293124A (en) | 1990-04-12 | 1990-04-12 | Wood-based decorative sheet with flame retardance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03293124A true JPH03293124A (en) | 1991-12-24 |
Family
ID=14174565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9679590A Pending JPH03293124A (en) | 1990-04-12 | 1990-04-12 | Wood-based decorative sheet with flame retardance |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03293124A (en) |
-
1990
- 1990-04-12 JP JP9679590A patent/JPH03293124A/en active Pending
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