Fig. 8: Transparent polyamide films.

Photographs taken under identical conditions of pure polymers and co-polymers in front of a sector of the Fraunhofer lines. a PA12; b copoly(5-3S32%·LL68%); c copoly(5-3S33%·LL67%); d copoly(5-3S41%·LL59%); e PA6; f copoly(5-3S18%·CL82%); g copoly(5-3S48%·CL52%); h poly5-3R.