It is considered that bonding between the FLC material and {TAIL ~ the alignment layers} can be effected by reaction between olefinic groups in the alignment layer and {HEAD ~ keytones}, pyrroles or,mercaptans in the liquid crystal molecules 
It is considered that bonding between the FLC material and { TAIL ~ the alignment layers } can be effected by reaction between olefinic groups in the alignment layer and { HEAD ~ keytones } , pyrroles or , mercaptans in the liquid crystal molecules
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH