| 摘要 |
An amine according to the invention has a formula
€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ (CH 3 ) 2 NCH 2 CH 2 OCH 2 CH 2 CH 2 N(R1)(R2)
wherein R1 and R2 are each independently selected from the group consisting of H-, CH 3 (C n H 2n )-, HO(C m H 2m )- and (CH 3 ) 2 NCH 2 CH 2 OCH 2 CH 2 CH 2 - , n being an integer in the range of 0 to 5, m being an integer in the range of 2 to 4. |
