申请人:PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED
公开号:US20190202980A1
公开(公告)日:2019-07-04
The present invention relates to a method for preparing poly(carbonate-etherimide) compound comprising polycarbonate segment as shown in the structure (A) and polyetherimide segment as shown in the structure (B). Said method does not contain a highly toxic phosgene in its operation, can be performed easily, and can be operated at not high temperature. wherein R
1
represents aromatic with 6 to 30 carbon atoms or, optionally said aromatic is bonded with heteroatom; R
2
represents aromatic with 6 to 30 carbon atoms or, optionally said aromatic is bonded with heteroatom; m is an integer from 1 to 15; and n is an integer from 1 to 10.