申请人:Worn Again Footwear and Accessories Limited
公开号:US20150232632A1
公开(公告)日:2015-08-20
A process for extracting polyester from an article using a solvent system comprising a compound according to any of general Formula I to VI wherein R
1
and R
2
are each independently selected from: hydrogen, alkyl, alkenyl, alkynyl, aryl or alkoxy groups; R
3
to R
12
are each independently selected from: hydrogen, alkyl, alkenyl, alkynyl, aryl or alkoxy groups; X is selected from O or S; and each of a to e is a carbon atom, wherein the total linear chain length of a-b-c-d-e is in the range of 2 to 5 carbons; R
13
and R
15
are both independently aryl groups; R
14
, R
16
, R
17
, R
18
and R
19
are each independently selected from hydrogen, alkyl, alkenyl, alkynyl or aryl groups; n is an integer in the range of 1 to 8; m is 3; and 1 is an integer in the range of 1 to 3; or combination thereof.