| 摘要 |
PCT No. PCT/GB95/02970 Sec. 371 Date May 16, 1997 Sec. 102(e) Date May 16, 1997 PCT Filed Dec. 19, 1995 PCT Pub. No. WO96/19727 PCT Pub. Date Jun. 27, 1996A carbon dioxide sensitive material including a polymer binder, a plasticiser, a lipophilic organic quaternary cation, an indicator dye anion and an aromatic alcohol in such concentration that the material changes color in accordance with the concentration of carbon dioxide. |
