| abstract |
The present invention pertains to a film for detecting chemical substances comprising a homopolymer or a copolymer having recurring units represented by the following formula (I): <IMAGE> (I) wherein X is -H, -F, -Cl, -Br, -CH3, -CF3, -CN or -CH2CH3; and R1 is -R2 or -Z-R2; wherein Z is -O-, -S-, -NH-, -NR2'-, -(C=Y)-, -(C=Y)-Y-, -Y-(C=Y)-, -(SO2)-, -Y'-(SO2)-, -(SO2)-Y'-, -Y'-(SO2)-Y'-, -NH-(C=O)-, -(C=O)-NH-, -(C=O)-NR2'-, -Y'-(C=Y)-Y'- or -O-(C=O)-(CH2)n-(C=O)-O-; wherein Y is independently O or S, and Y' is independently O or NH, and n is an integer of 0 to 20; and wherein R2 and R2' represent independently a hydrogen atom, a linear alkyl group, a branched alkyl group, a cycloalkyl group, an unsaturated hydrocarbon group, an aryl group, a saturated or unsaturated hetero ring or derivatives thereof, provided that R1 is not a hydrogen atom, a linear alkyl group or a branched alkyl group. The invention pertains also to a detector for chemical substances comprising such a film. |