Liquid-absorbing material composition, molded product therefrom, process for preparing the same and use thereof
申请人:SHOWA DENKO KABUSHIKI KAISHA
公开号:EP0844006A1
公开(公告)日:1998-05-27
A liquid-absorbing material composition containing a crosslinking agent (component A), N-vinylcarboxamide copolymer (component B) having a functional group capable of crosslinking with the component A, water (component C), a water-soluble organic solvent (component D) and a plasticizer (component E), a molded liquid-absorbing material prepared from the composition, a method of manufacturing the molded liquid-absorbing material, and uses thereof are provided. The liquid-absorbing material composition has a high flowability, and gives a uniform continuous layer so that it can be directly molded readily into film- or sheet-shaped molded liquid-absorbing material without requiring secondary processing as in the case of conventional water-absorbing polymer. Use of the liquid-absorbing material composition allows manufacture in short time of molded products which are excellent in liquid-absorbing performance that can be utilized as a freshness retaining agent, a moisture-conditioning agent, an agricultural and horticultural water-retaining sheet, a soil improving agent, an anti-dewing agent, sanitary goods, a waste liquid solidifying material, a water preventing sheet, a water running preventing shielding material, a pharmaceutical, a medical tool, a humectant or desiccant.
本发明提供了一种吸液材料组合物,其中含有交联剂(A 组分)、具有能与 A 组分交联的官能团的 N-乙烯基甲酰胺共聚物(B 组分)、水(C 组分)、水溶性有机溶剂(D 组分)和增塑剂(E 组分);还提供了由该组合物制备的模塑吸液材料、模塑吸液材料的制造方法及其用途。该吸液材料组合物具有很高的流动性,能形成均匀的连续层,因此可直接模塑成薄膜状或片状模塑吸液材料,而无需像传统吸水聚合物那样进行二次加工。使用这种吸液材料组合物可以在短时间内制造出吸液性能优异的模塑产品,这些产品可用作保鲜剂、湿度调节剂、农业和园艺保水片材、土壤改良剂、防露水剂、卫生用品、废液固化材料、防水片材、防水屏蔽材料、药品、医疗工具、保湿剂或干燥剂。