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WATER ABSORPTIVE RESIN POWDER FOR SEALING SHEET AND SEALING SHEET USING THE SAME
To provide water absorptive resin powder allowing leakage of a sealing sheet to be prevented and excellent in an absorption performance of brackish water.SOLUTION: Water absorptive resin powder for a sealing sheet is used for a sealing sheet, satisfying the following requirements, (a) to (f). (a) the pure water absorption amount: 450 g/g to 1200 g/g, (b) the pure water absorption speed by the vortex method: 10 seconds to 100 seconds, (c) the pure water permeation speed: 0.33 mL/min or less, (d) the 1.0% saline water absorption amount: 30 g/g to 100 g/g, (e) the 1.0% saline water absorption speed by the vortex method: 10 seconds to 100 seconds, and (f) the 1.0% saline water permeation speed: 2.0 mL/min or less.SELECTED DRAWING: None
【課題】遮水シートの漏水をより防止することができ、かつ、汽水に対する吸収性能にも優れた吸水性樹脂粉体を提供する。【解決手段】遮水シート用吸水性樹脂粉体は、遮水シートに使用される吸水性樹脂粉体であって、下記（ａ）～（ｆ）の要件を満足することを特徴とする。（ａ）純水吸収量：４５０ｇ／ｇ～１２００ｇ／ｇ（ｂ）ボルテックス法による純水吸収速度：１０秒～１００秒（ｃ）純水通液速度：０．３３ｍＬ／ｍｉｎ以下（ｄ）１．０％塩水吸収量：３０ｇ／ｇ～１００ｇ／ｇ（ｅ）ボルテックス法による１．０％塩水吸収速度：１０秒～１００秒（ｆ）１．０％塩水通液速度：２．０ｍＬ／ｍｉｎ以下【選択図】なし
WATER ABSORPTIVE RESIN POWDER FOR SEALING SHEET AND SEALING SHEET USING THE SAME
To provide water absorptive resin powder allowing leakage of a sealing sheet to be prevented and excellent in an absorption performance of brackish water.SOLUTION: Water absorptive resin powder for a sealing sheet is used for a sealing sheet, satisfying the following requirements, (a) to (f). (a) the pure water absorption amount: 450 g/g to 1200 g/g, (b) the pure water absorption speed by the vortex method: 10 seconds to 100 seconds, (c) the pure water permeation speed: 0.33 mL/min or less, (d) the 1.0% saline water absorption amount: 30 g/g to 100 g/g, (e) the 1.0% saline water absorption speed by the vortex method: 10 seconds to 100 seconds, and (f) the 1.0% saline water permeation speed: 2.0 mL/min or less.SELECTED DRAWING: None
【課題】遮水シートの漏水をより防止することができ、かつ、汽水に対する吸収性能にも優れた吸水性樹脂粉体を提供する。【解決手段】遮水シート用吸水性樹脂粉体は、遮水シートに使用される吸水性樹脂粉体であって、下記（ａ）～（ｆ）の要件を満足することを特徴とする。（ａ）純水吸収量：４５０ｇ／ｇ～１２００ｇ／ｇ（ｂ）ボルテックス法による純水吸収速度：１０秒～１００秒（ｃ）純水通液速度：０．３３ｍＬ／ｍｉｎ以下（ｄ）１．０％塩水吸収量：３０ｇ／ｇ～１００ｇ／ｇ（ｅ）ボルテックス法による１．０％塩水吸収速度：１０秒～１００秒（ｆ）１．０％塩水通液速度：２．０ｍＬ／ｍｉｎ以下【選択図】なし
WATER ABSORPTIVE RESIN POWDER FOR SEALING SHEET AND SEALING SHEET USING THE SAME
遮水シート用吸水性樹脂粉体およびこれを用いた遮水シート
OTA YOSHIHISA (author)
2024-06-03
Patent
Electronic Resource
Japanese
IPC:
E02D
FOUNDATIONS
,
Gründungen
/
B01J
Chemische oder physikalische Verfahren, z.B. Katalyse oder Kolloidchemie
,
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
/
B09B
DISPOSAL OF SOLID WASTE
,
Beseitigung von festem Abfall
/
C08F
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
,
Makromolekulare Verbindungen, erhalten durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind
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