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    • 9. 发明专利
    • Adhesive hydrogel and use of the same
    • 胶水和使用它们
    • JP2013185119A
    • 2013-09-19
    • JP2012053016
    • 2012-03-09
    • Sekisui Plastics Co Ltd積水化成品工業株式会社
    • SATO KAORIHATORI TAKAAKI
    • C09J201/06A61L31/00C09J11/08C09J133/02C09J133/24
    • C09J133/24C08F220/56C09J4/06C09J133/02C09J133/26C09J151/00C08F265/06C08K5/053
    • PROBLEM TO BE SOLVED: To provide an adhesive hydrogel that has an excellent initial adhesion, exhibits an excellent adhesion upon repeated use without necessitating special work such as water washing, has a controlled rapid decrease in adhesion upon repeated use and irritation to the skin and the uses (gel sheets and electrode pads) of the same.SOLUTION: An adhesive hydrogel includes a polymer matrix that is formed of a copolymer of a monofunctional monomer and (a) a crosslinkable monomer, another polymer component, water, and a polyhydric alcohol. At least either the structural unit derived from the monofunctional monomer included in the polymer matrix or the other polymer component includes a structural unit that is derived from (b) at least one kind selected from the group consisting of ethylenically unsaturated carboxylic acids, ethylenically unsaturated carboxylic acid salts, and ethylenically unsaturated carboxylic acid derivatives having a hydroxyl group, an acid group, a salt thereof, an amino group and/or an ammonium group. The other polymer component includes (c) a polymer compound that has a side chain having an oxyalkylene group or a polyoxyalkylene group.
    • 要解决的问题:为了提供具有优异的初始粘合性的粘合性水凝胶,在重复使用时显示出优异的粘附性,而不需要诸如水洗等特殊工作,可以有效控制反复使用和对皮肤的刺激性的快速降低, 使用(凝胶片和电极垫)相同。解决方案:粘合剂水凝胶包括由单官能单体和(a)可交联单体,另一种聚合物组分,水和多元醇的共聚物形成的聚合物基质。 衍生自包含在聚合物基质中的单官能单体的结构单元或其它聚合物组分中的至少一个包括衍生自(b)选自烯键式不饱和羧酸,烯属不饱和羧酸中的至少一种的结构单元 酸式盐和具有羟基,酸基,其盐,氨基和/或铵基的烯属不饱和羧酸衍生物。 另一种聚合物组分包括(c)具有侧链具有氧化烯基或聚氧化烯基的聚合物化合物。