公开(公告)号：US20170113992A1

公开(公告)日：2017-04-27

申请号：US15301715

申请日：2014-04-02

Applicant: East China University of Science and Technology

Inventor： Guiping CAO ,  Xuekun LI ,  Kaiyue HAN ,  Chen MENG

IPC: C07C51/09 ,  C07C29/80 ,  C07C51/44 ,  B01J27/053 ,  B01J23/22 ,  B01J37/02 ,  B01J21/06 ,  B01J23/26 ,  B01J23/10 ,  B01J21/04 ,  B01J23/30 ,  B01J21/12 ,  C07C29/09 ,  B01J23/14

CPC classification number: C07C51/09 ,  B01J21/04 ,  B01J21/063 ,  B01J21/066 ,  B01J21/12 ,  B01J23/02 ,  B01J23/10 ,  B01J23/14 ,  B01J23/22 ,  B01J23/26 ,  B01J23/30 ,  B01J23/745 ,  B01J27/053 ,  B01J37/0036 ,  B01J37/0201 ,  B01J37/0209 ,  C07C29/095 ,  C07C29/80 ,  C07C51/44 ,  Y02P20/52 ,  C07C63/26 ,  C07C31/202 ,  C07C31/207 ,  C07C31/20 ,  C07C55/20 ,  C07C63/38 ,  C07C31/276 ,  C07C55/14 ,  C07C31/205

Abstract: The present application relates to methods of hydrolyzing a polyester by contacting the polyester with a solid acid catalyst. Also disclosed are solid acid catalysts that are useful for hydrolyzing a polyester and methods of making the solid acid catalysts. Furthermore, compositions including one or both of a dicarboxylic acid and a diol, and at least one solid acid catalyst are also disclosed.