Page 368 - Biodegradable Polyesters

346 Index
polyester synthases polyurethane (PU)-based SMPs 142, 143
– catalytic reaction mechanism 52, 53 polyurethanes 15, 16
– classes of 47 1,3-propanediol (1,3-PD)
– genome sequences 51 – applications 75
– primary structures 51 – Degussa method 76
– secondary structures 52 – engine coolant formulations 75
polyester-based biodegradable composites – glycerol synthetic route 76, 77
– biomedical applications 332, 333 – microbial production 77, 78
– commodity applications 334 –properties 75
polyethylene terephthalate (PET) 5 – Shell method 76
– chemical structure 5 PVA/PETG model system 228, 229
– publication trend 6
polyhydroxyalkanoates (PHAs), 74 see also r
bacterial polyhydroxyalkanoate granules radical initiated double ring-opening
polylactide (PLA) polymerization 30
– applications 237 radical ring-opening polymerization (RROP)
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– Biomax Strong 253 – back-biting H-transfer reactions 29
– cavitation mechanism 246, 247 –CKAs, see cyclic ketene acetals (CKAs)
– commercial impact modifiers 253, 254 – functional polyesters, see functional
– crazing mechanism 245 biodegradable polyesters
– crystal forms 240 – hydroxyl functionalized polyesters 33, 34
– crystallinity extent 243 – reaction mechanism 28–30
– debonding mechanism 247 – unsaturated polyesters 30
– drawbacks 241 renewability 236
– glass transition temperatures 240, 241 renewable polymers 236, 237
– global production capacity 237 reversible addition fragmentation transfer
– impact modifiers, 243, see also (RAFT) polymerization 31
rubber-toughened polylactide ring-opening polymerization (ROP) 25, 238
– impact resistance testing methods 244 –PCL 15–17
– lactic acid 237 – PLA 9, 10
– lactone ROP, coordination-insertion – poly(glycolide) 12, 13
mechanism of 239, 240 RROP, see radical ring-opening polymerization
– mechanical properties 241 (RROP)
– melting temperatures 240, 241 rubber cavitation 246, 247
– vs. petroleum-based commodity rubber-toughened polylactide
thermoplastics 241 – annealing 263, 264, 266
– plasticizers 243 – crystallization, nucleating agent for
– polycondensation method 238, 239 265–267
– polymer blending 242 – EAC 252
– ROP 238, 239 – EBA-GMA 251, 252
– rubber-toughening, see rubber-toughened – EVA 251
polylactide – impact fractured surfaces, morphologies of
– shear-yielding mechanism 246 265, 267
–Sn(oct) 2 -catalyzed ROP 239 – interpenetrating networks 262, 263
– stereochemical structure 240 – nanoparticles, see nanoparticles-mediated
poly-L-lactide (PLLA) 10, 11 compatibilization process
polymer composites – particle size 268
– biodegradability costs 322 – PCL-based additives 248–250
– degradation 321 – PEBA 252
– medical applications 322 – polyurethane elastomer blend 250
polymeric ethyl oxalates 5
polyurethane (PU)/poly(ethylene glycol) s
methacrylate (PEGMA) cross-linked self-reinforced poly(L-lactide) rods 11
hybrid scaffolds 170 semi crystalline PLA 240, 241