2.1. Materials
PVDF – Solef 1006, supplied by Solvay Solexis SAS. The material used for fibre production, processing and analysis was the PVDF homopolymer SOLEF 1006. It has very low viscosity, melt flow index (MFI) of 40 g/10 min at 230 C; weight of 2.16 kg was chosen because of the best processability in melt spinning. PLA – Ingeo biopolymer 3052D, supplied by NatureWorks LLC. Designed for injection moulding applications, MFI – 14 g/10 min at 210 C, weight – 2.16 kg. Dichloromethane – supplied by POCh, Poland