[EN] SUPER ABSORBENT POLYMER RECYCLING TO PRESSURE SENSITIVE ADHESIVES<br/>[FR] RECYCLAGE DE POLYMÈRE SUPER-ABSORBANT EN ADHÉSIFS SENSIBLES À LA PRESSION
申请人:UNIV MICHIGAN REGENTS
公开号:WO2021041326A1
公开(公告)日:2021-03-04
Methods for upcycling crosslinked sodium polyacrylate to pressure sensitive adhesives via (a) mechanochemical chain-shortening and esterification or (b) esterifying with high conversion with a Fischer esterification process are disclosed. Also disclosed is a pressure sensitive adhesive prepared by the disclosed methods and articles comprising the pressure sensitive adhesive, including, but not limited to, pressure sensitive tape, a bandage, a label, note pads, a decal, a stamp, an envelope, a sticker, packaging, automobile trim, and a film.
通过(a)机械化学链短化和酯化或(b)使用费舍尔酯化过程进行高转化的酯化,揭示了将交联钠聚丙烯酸盐升级为压敏胶粘剂的方法。还揭示了通过所述方法制备的压敏胶粘剂以及包括但不限于压敏胶带、绷带、标签、便笺、贴花、邮票、信封、贴纸、包装、汽车装饰条和薄膜在内的含有该压敏胶粘剂的物品。