JP2018104492A - 建材からの雨漏り防止用塗付剤 - Google Patents
建材からの雨漏り防止用塗付剤 Download PDFInfo
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Abstract
Description
本発明中の塗付剤は耐光性、耐熱性、耐水性、耐薬品性は前提となる材料であり、補修により建材の本来の機能を失うことなく簡便に塗付される。その塗付により止水効果の発揮が必要機能である。
η=2.0 + 0.016 M0.76 温度20度での測定 (1)
ここでηは極限粘度数でポリエチレングリコール水溶液の粘度の測定値より極限粘度数の定義に従って換算される。Mは粘度平均分子量である。
集水体積(ml)= 5x降雨量(cm/10時間)
雨漏りの際のミズ道は特定できなかった。溶液1を塗付後は少なくとも1日の晴天を経た後の降雨の際の水漏れによる24時間にわたる集水体積量は、降水量が5cm/10時間では検出限界以下となった。
b; aの状態より時間が経過し水の一部が蒸発あるいは拡散によって減少しオリゴマーが濃縮した場合の本発明の水溶液の存在状態を示す断面模式図。
c;濃縮がさらに進んでオリゴマーが結晶化した様子を示す断面模式図。
1;建材を構成する粒子(砂利やセメント粒子)
2;本発明の塗布剤水溶液
3;本発明の溶液中のオリゴマーが結晶化して析出した結晶粒子
Claims (4)
- 非電解質で水溶性の結晶性オリゴマーを主成分として、該オリゴマーを0.1重量%以上5重量%以下の濃度で水に溶解させることによっていられる水溶液であることを特徴とする無機性建材の水漏れ防止用塗付剤。
- 請求項1において該オリゴマーの分子量が1000以上1万未満であり、融点は50℃以上でかつ凝固点が40℃以上であることを特徴とする水溶液塗付剤。
- 請求項1あるいは2においてオリゴマーとしてポリエチレングリコール単独あるいは該オリゴマーに加えて、ポリプロピレングリコールあるいはポリビニールピロリドンとの 複数のオリゴマーとの混合物であることを特徴とする水溶液塗付剤。
- 請求項1あるいは2あるいは3において、水溶液中にアルギン酸ソーダを該オリゴマーに対して重量比で1/5未満1/50以上添加し、かつ酸性染料を1ppm以上100ppm以下添加することを特徴とする水溶液塗付剤。
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07306113A (ja) * | 1994-05-13 | 1995-11-21 | Nippon Oil & Fats Co Ltd | 漏洩検査剤 |
US5704970A (en) * | 1994-12-08 | 1998-01-06 | Kunimine Industries Co., Ltd. | Water-preventing sealant with plasticity |
JP2000192022A (ja) * | 1998-12-25 | 2000-07-11 | Nippon Kayaku Co Ltd | 浸透性防水剤及び漏水防止方法 |
JP2001026766A (ja) * | 1999-07-15 | 2001-01-30 | Nippon Kayaku Co Ltd | 漏水防止剤及び漏水防止方法 |
JP2001221704A (ja) * | 2000-02-07 | 2001-08-17 | Taimu Assoc:Kk | 水漏れ検査剤、水漏れ検査塗膜、その塗布方法および水漏れ検査方法 |
JP2004182869A (ja) * | 2002-12-04 | 2004-07-02 | Nippon Kayaku Co Ltd | 漏水防止剤 |
JP2004354124A (ja) * | 2003-05-28 | 2004-12-16 | Alpha Planner Kk | 建築物およびコンクリート構造物の漏水検査工法 |
JP2009286661A (ja) * | 2008-05-29 | 2009-12-10 | Shigeaki Rokugo | セメント系構造物におけるひび割れの補修方法 |
-
2016
- 2016-12-22 JP JP2016249518A patent/JP6664644B2/ja active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07306113A (ja) * | 1994-05-13 | 1995-11-21 | Nippon Oil & Fats Co Ltd | 漏洩検査剤 |
US5704970A (en) * | 1994-12-08 | 1998-01-06 | Kunimine Industries Co., Ltd. | Water-preventing sealant with plasticity |
JP2000192022A (ja) * | 1998-12-25 | 2000-07-11 | Nippon Kayaku Co Ltd | 浸透性防水剤及び漏水防止方法 |
JP2001026766A (ja) * | 1999-07-15 | 2001-01-30 | Nippon Kayaku Co Ltd | 漏水防止剤及び漏水防止方法 |
JP2001221704A (ja) * | 2000-02-07 | 2001-08-17 | Taimu Assoc:Kk | 水漏れ検査剤、水漏れ検査塗膜、その塗布方法および水漏れ検査方法 |
JP2004182869A (ja) * | 2002-12-04 | 2004-07-02 | Nippon Kayaku Co Ltd | 漏水防止剤 |
JP2004354124A (ja) * | 2003-05-28 | 2004-12-16 | Alpha Planner Kk | 建築物およびコンクリート構造物の漏水検査工法 |
JP2009286661A (ja) * | 2008-05-29 | 2009-12-10 | Shigeaki Rokugo | セメント系構造物におけるひび割れの補修方法 |
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