JPH0674613B2 - Antifungal structure of gypsum board - Google Patents
Antifungal structure of gypsum boardInfo
- Publication number
- JPH0674613B2 JPH0674613B2 JP60190511A JP19051185A JPH0674613B2 JP H0674613 B2 JPH0674613 B2 JP H0674613B2 JP 60190511 A JP60190511 A JP 60190511A JP 19051185 A JP19051185 A JP 19051185A JP H0674613 B2 JPH0674613 B2 JP H0674613B2
- Authority
- JP
- Japan
- Prior art keywords
- gypsum board
- resin
- fungicide
- water
- antifungal agent
- 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.)
- Expired - Lifetime
Links
- 229910052602 gypsum Inorganic materials 0.000 title claims description 23
- 239000010440 gypsum Substances 0.000 title claims description 23
- 229940121375 antifungal agent Drugs 0.000 title claims description 20
- 230000000843 anti-fungal effect Effects 0.000 title claims description 8
- 229920005989 resin Polymers 0.000 claims description 26
- 239000011347 resin Substances 0.000 claims description 26
- 239000003429 antifungal agent Substances 0.000 claims description 16
- 229920000178 Acrylic resin Polymers 0.000 claims description 3
- 239000004925 Acrylic resin Substances 0.000 claims description 3
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 claims description 3
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 3
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 3
- 230000000855 fungicidal effect Effects 0.000 description 24
- 239000000417 fungicide Substances 0.000 description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 20
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- 229920002472 Starch Polymers 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 235000015097 nutrients Nutrition 0.000 description 4
- 235000019698 starch Nutrition 0.000 description 4
- 239000008107 starch Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000233866 Fungi Species 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011381 foam concrete Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 235000013808 oxidized starch Nutrition 0.000 description 1
- 239000001254 oxidized starch Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
Landscapes
- Building Environments (AREA)
- Panels For Use In Building Construction (AREA)
Description
【発明の詳細な説明】 〔技術分野〕 本発明は表面紙に水系防かび剤を塗布、含浸させた石膏
ボードに関する。TECHNICAL FIELD The present invention relates to a gypsum board in which a surface paper is coated with and impregnated with an aqueous fungicide.
従来より、建築用板の製造現場での作業性及び環境保全
性を考慮して、溶剤系防かび剤ではなく、水系防かび剤
を塗布して防かび効果を発揮させているが、施工後に、
これら建築用板に、結露水が発生したり、雨水等がかか
ると、水系防かび剤が流出してしまい防かび効力が低下
してしまうという問題があった。Traditionally, considering workability at the construction site of building boards and environmental protection, water-based fungicides, rather than solvent-based fungicides, are applied to exert a fungicidal effect. ,
If dew condensation water is generated on these building boards, or if rainwater or the like is applied, there is a problem that the water-based fungicide flows out and the fungicide effectiveness is reduced.
又、軽量気泡コンクリートのような多孔質の無機質板に
あっては、防かび剤を塗布すれば、防かび剤が孔に侵入
してしまい、防かび効果を発揮させるには多量の防かび
剤が必要となったり、また、防かび剤の樹脂の配合割合
を大きくしなければならなかった。防かび剤の樹脂の配
合割合を大きくすると、樹脂はかびの栄養源となるの
で、特に、吸湿性が高くかびが発生しやすい石膏ボード
にあっては、かびが繁殖してしまい、結果的に防かび効
果が著しく低下してしまうという問題があった。又、樹
脂の配合割合が大きいと、内装仕上げで、例えば、塩ビ
クロス貼り施工時に、石膏ボードに塩ビクロスの裏側の
でんぷん糊の水分を吸水させて付着性を確保するのであ
るが、樹脂により石膏ボードの吸水性能が阻害されてし
まい、でんぷん糊の付着性が低下するなど、内装仕上げ
材との接着性が損なわれる恐れがある。In addition, in the case of a porous inorganic plate such as lightweight cellular concrete, if a fungicide is applied, the fungicide will penetrate into the holes, and a large amount of fungicide will be required to exert the fungicide effect. Was required, and the proportion of the fungicide resin blended had to be increased. If the proportion of resin in the fungicide is increased, the resin serves as a nutrient source for mold, so in particular for gypsum board, which has high hygroscopicity and is prone to mold, mold propagates, resulting in mold growth. There is a problem that the antifungal effect is significantly reduced. Also, if the resin content is large, for interior finishing, for example, when applying PVC cloth, the gypsum board absorbs the water content of the starch paste on the back side of the PVC cloth to secure the adhesiveness. There is a risk that the water-absorbing performance of the board will be impaired, the adhesiveness of the starch paste will decrease, and the adhesiveness with the interior finishing material will be impaired.
本発明は上記事情に鑑みて為されたものであり、その目
的とするところは、水系防かび剤を用いて製造現場での
作業性及び環境保全性を確保するとともに、施工後にも
結露水、雨水等により水系防かび剤が流出することがな
く、防かび効力の耐久性を向上させることができる石膏
ボードの防かび構造を提供することにある。The present invention has been made in view of the above circumstances, and its purpose is to ensure workability and environmental conservation at the manufacturing site by using a water-based fungicide, and to prevent dew condensation even after construction, An object of the present invention is to provide an antifungal structure of a gypsum board that can improve the durability of antifungal effect without the water-based antifungal agent flowing out due to rainwater or the like.
本発明の建築用板の防かび構造は、石膏ボード１の表面
紙４に、水系防かび剤に樹脂を混入した防かび剤２を塗
布して含浸させて成るものであり、この構成により上記
目的を達成できたものである。即ち、防かび剤２とし
て、水系防かび剤に樹脂を混入したものを使用するの
で、水系防かび剤が樹脂膜により担持され、結露水、雨
水により水系防かび剤が流出することがなく、しかも、
防かび剤２を表面紙４に塗布、含浸させるだけであるの
で、大量に必要とすることがないものであり、従って、
かびの栄養源である樹脂分の絶対量を小さく抑えること
ができ、吸湿性が高くかびが発生しやすい石膏ボード１
にあっても、防かび効力の耐久性を向上させることがで
きるものである。The antifungal structure of a building board according to the present invention comprises a surface paper 4 of a gypsum board 1 coated with and impregnated with an antifungal agent 2 in which a resin is mixed with a water-based antifungal agent. I was able to achieve the purpose. That is, as the antifungal agent 2, a water-based antifungal agent mixed with a resin is used, so that the aqueous antifungal agent is carried by the resin film, and the aqueous antifungal agent does not flow out due to dew condensation water or rainwater, Moreover,
Since the antifungal agent 2 is simply applied and impregnated on the surface paper 4, it is not necessary to use a large amount.
A gypsum board that can suppress the absolute amount of resin, which is a nutrient source of mold, to a small amount, has high hygroscopicity and easily causes mold.
Even in this case, the durability of the antifungal effect can be improved.
以下本発明を添付の図面に示す実施例に基づいて説明す
る。石膏ボード１としては、通常のもので、焼き石膏に
酸化でんぷんその他の添加剤を、およそ98:2の割合にま
ぜ、水で練り合わせたものを、分厚な表面紙４の間に挟
み、板状に成形し乾燥させて製造したものであり、石膏
ボード（JIS A 6901）、化粧石膏ボード（JIS A 691
1）、シージング石膏ボード（JIS A 6911）、強化石膏
ボード（JIS A 6911）等JIS等に列挙されているものが
採用できる。The present invention will be described below based on embodiments shown in the accompanying drawings. The gypsum board 1 is a normal one, which is obtained by mixing calcined gypsum with oxidized starch and other additives at a ratio of about 98: 2, kneading with water, and sandwiching them between thick surface papers 4, It is manufactured by molding into a ply and dried, and gypsum board (JIS A 6901) and decorative gypsum board (JIS A 691
1), sheathing gypsum board (JIS A 6911), reinforced gypsum board (JIS A 6911), etc. listed in JIS can be used.
石膏ボード１の表面紙４には防かび剤２が塗布、含浸さ
れている。例えば、第２図に示すように、表面紙４に上
から塗布ガン３により防かび剤２を塗布して、含浸させ
る。もちろん、石膏ボード１を製造した後に、表面紙４
に塗布、含浸させてもよい。防かび剤は、水系防かび剤
として、例えば「ホクスターL100N」（北興化学（株）
製）とか「モルノン1900」（片山化学（株）製）に、樹
脂を５〜10重量％混入したものが好ましい。樹脂が５重
量％未満であると、担持効果が充分ではなく、結露水、
雨水等により水系防かび剤が流出してしまう恐れがあ
り、一方、樹脂が10重量％を超えると、樹脂分により水
系防かび剤の防かび効果が阻害されるだけでなく、樹脂
分がかびの栄養源となって、結果的に防かび効果が低下
してしまう恐れがある。又、樹脂が10重量％を超える
と、内装仕上げで、例えば、塩ビクロス貼り施工におい
て、樹脂により石膏ボードの吸水性能が阻害されてでん
ぷん糊との付着性が低下する恐れがある。樹脂として
は、非燃性の水溶性樹脂が好ましく、例えば、エチレン
酢酸ビニル樹脂又はアクリル樹脂のような水溶性樹脂を
挙げることができる。この防かび剤２の塗布量は、例え
ばエチレン酢酸ビニル樹脂を使用する場合は、1m2当た
り1gで、アクリル樹脂を使用する場合は、1m2当たり20g
である。この建築用板１は防かび剤２を塗布した面を天
井裏とか結露水の発生しやすい場所に向けて施工する。
尚、本発明にあっては、防かび剤２を表面紙４の全面に
塗布しても、一面に塗布してもよいものである。The surface paper 4 of the gypsum board 1 is coated and impregnated with the fungicide 2. For example, as shown in FIG. 2, the surface paper 4 is coated with the fungicide 2 from above by the coating gun 3 and impregnated. Of course, after manufacturing the gypsum board 1, the surface paper 4
May be applied and impregnated with. The antifungal agent is, for example, "Hoxster L100N" (Hokuko Chemical Co., Ltd.) as an aqueous antifungal agent.
It is preferable that 5 to 10% by weight of a resin is mixed with "Mornon 1900" (manufactured by Katayama Chemical Co., Ltd.). When the amount of the resin is less than 5% by weight, the supporting effect is not sufficient, and dew condensation water,
There is a risk that the water-based fungicide will flow out due to rainwater, etc. On the other hand, if the resin content exceeds 10% by weight, the resin content not only hinders the fungicidal effect of the water-based fungicide, but also the resin content It may become a nutrient source for the fungus, resulting in diminished antifungal effect. On the other hand, if the resin content exceeds 10% by weight, the water absorption performance of the gypsum board may be impaired by the resin in the interior finish, for example, in the case of applying vinyl chloride cloth, and the adhesiveness with the starch paste may be reduced. The resin is preferably a non-flammable water-soluble resin, and examples thereof include a water-soluble resin such as ethylene vinyl acetate resin or acrylic resin. The amount of the fungicide 2 applied is, for example, 1 g per 1 m 2 when using ethylene vinyl acetate resin, and 20 g per 1 m 2 when using acrylic resin.
Is. The construction board 1 is constructed so that the surface coated with the antifungal agent 2 faces the ceiling or a place where dew condensation is likely to occur.
In the present invention, the antifungal agent 2 may be applied to the entire surface of the surface paper 4 or to one surface thereof.
本発明にあっては、石膏ボードの表面紙に、水系防かび
剤に樹脂を混入した防かび剤を塗布して含浸させている
ので、水系防かび剤を用いて製造現場での作業性及び環
境保全性を確保することができ、又、水系防かび剤が樹
脂膜により担持されるので、施工後には結露水、雨水等
により建築用板から水系防かび剤が流出することがな
く、しかも、防かび剤を表面紙に塗布、含浸させるだけ
であるので、大量に必要とすることがないものであり、
従って、かびの栄養源である樹脂分の絶対量を小さく抑
えることができ、吸湿性が高くかびが発生しやすい石膏
ボード１にあっても、防かび効力の耐久性を向上させる
ことができると共に内装仕上げで、例えば、塩ビクロス
貼り施工においても樹脂により石膏ボードの吸水性能が
阻害されてでんぷん糊との付着性が低下することがない
など、内装仕上げ材との接着性が確保されるものであ
る。In the present invention, the surface paper of the gypsum board is coated and impregnated with a fungicide containing a resin mixed with a water-based fungicide, so that the workability at the manufacturing site using the water-based fungicide and Environmental protection can be ensured, and since the water-based fungicide is supported by the resin film, the water-based fungicide does not flow out of the building board due to dew condensation water, rainwater, etc. after the construction. Since it is only applied and impregnated with a fungicide on the surface paper, it does not require a large amount,
Therefore, it is possible to suppress the absolute amount of the resin component, which is a nutrient source of mold, to a small amount, and it is possible to improve the durability of the mold prevention effect even in the gypsum board 1 that has high hygroscopicity and is likely to generate mold. For interior finishing, for example, the adhesiveness with interior finishing materials is secured, such as the fact that the resin does not impair the water absorption performance of the gypsum board even when it is applied with PVC cloth, and the adhesiveness with starch paste does not decrease. is there.
第１図は本発明の一実施例を示す断面図、第２図は同上
の製造を示す説明図であって、１は石膏ボード、２は防
かび剤、４は表面紙である。FIG. 1 is a cross-sectional view showing an embodiment of the present invention, and FIG. 2 is an explanatory view showing the production of the same, where 1 is a gypsum board, 2 is a fungicide, and 4 is a surface paper.
Claims (2)
脂を混入した防かび剤を塗布して含浸させて成ることを
特徴とする石膏ボードの防かび構造。1. An antifungal structure for a gypsum board, characterized in that a surface paper of the gypsum board is coated with and impregnated with an antifungal agent in which a resin is mixed with an aqueous antifungal agent.
ビニル樹脂又はアクリル樹脂を５〜10重量％混入したも
のであることを特徴とする特許請求の範囲第１項記載の
石膏ボードの防かび構造。2. The gypsum board according to claim 1, wherein the antifungal agent is an aqueous antifungal agent mixed with 5 to 10% by weight of ethylene vinyl acetate resin or acrylic resin. Mold-proof structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60190511A JPH0674613B2 (en) | 1985-08-29 | 1985-08-29 | Antifungal structure of gypsum board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60190511A JPH0674613B2 (en) | 1985-08-29 | 1985-08-29 | Antifungal structure of gypsum board |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4230194A Division JPH0768509A (en) | 1994-03-14 | 1994-03-14 | Mildew-proofing structure for building board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6250541A JPS6250541A (en) | 1987-03-05 |
| JPH0674613B2 true JPH0674613B2 (en) | 1994-09-21 |
Family
ID=16259304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60190511A Expired - Lifetime JPH0674613B2 (en) | 1985-08-29 | 1985-08-29 | Antifungal structure of gypsum board |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0674613B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116657823B (en) * | 2023-05-29 | 2025-10-31 | 泰山石膏（铜陵）有限公司 | Mildew-proof gypsum board and method for producing mildew-proof gypsum board |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5120217A (en) * | 1974-08-10 | 1976-02-18 | Hokko Chem Ind Co | Kabirui ni yoru retsuka o boshisuru hoho |
| JPS5555746A (en) * | 1978-10-20 | 1980-04-23 | Toa Gosei Chem Ind | Method of antiimildew waterproofing |
| JPS59121173A (en) * | 1982-12-27 | 1984-07-13 | 多木化学株式会社 | Gypsum board |
| JPS6065197A (en) * | 1983-09-13 | 1985-04-13 | サンロック工業株式会社 | Surface paperboard for gypsum board |
-
1985
- 1985-08-29 JP JP60190511A patent/JPH0674613B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6250541A (en) | 1987-03-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |