| abstract |
The invention discloses a method for preparing polyester PCT by compound modification of recycled polyester. This method uses the intermediate of regenerated polyester as the raw material, that is, the intermediate product of depolymerized regenerated polyester, ethylene terephthalate (BHET), is used as the raw material to prepare PCT through transesterification modification. The raw material economy fills the gap in this field at home and abroad. |