Superabsorbent material sat (super absorbent tissue)
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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资源简介：
A method for wet production of a superabsorbent material. The method comprises forming an aqueous saline solution with a concentration of 0.01-4.5 N of ionic salt and a pH from 0 to 6.0 or from 8.0 to 14.0 by the addition of a strong acid or strong base; dispersing in the saline solution a water superabsorbent polymer (SAP); creating a first web by stratification and deposition under vacuum suction onto a mesh screen belt deposition section of the SAP dispersion; washing the web with a basic solution (or with an acidic solution) up to the desired level of neutralization of the acidity (or basicity) for SAP dispersions in acidic (or basic) saline solutions; washing the web with water and suction; and drying the web. The relationship between pH and salt concentration causes a water absorption in the SAP equal to or less than about 30.00 g H2O/gSAP.
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国家林业和草原科学数据中心
创建时间：
2023-02-12
