I 25th Anniversary Degradation of aromatic polymers--I. Rates of crosslinking and chain scission during thermal degradation of several soluble aromatic polymers 9 Structure-properties relationship for liquid crystalline copolyesteramides 15 Sequence distributions in polymers and copolymers from fl-butyrolactone 21 A study of local mobility in poly(isobutylene) by the spin probe method 25 Stabilization of high density polyethylene by o-hydroxybenzophenone derivatives 31 Morphology and thermal properties of polyurethanes prepared under different conditions 39 The size distribution of additive sorption centres in polyethylene 43 Energetic feasibility of adjacent re-entry chain folding in crystals of isotactic polypropylene 49 Ultraviolet functionalization of poly[bis(4-isopropylphenoxy)]phosphazene surfaces: an infrared and a SIMS study 57 The phase behaviour of solutions of nematic dimers constituted by two rigid groups linked by flexible spacers 63 Synth6se de polybutadi6nes nitr+s hydroxyt616-ch61iques par nitromercuration-demercuration--I. Etude de la r6action de nitromercuration 71 75 Degradation of polymer blends--III. Radiolysis of blends of poly(methyl methacrylate) with styreneacrylonitrile copolymers Optimisation de la morphologie du polyac6tyl6ne synthetis6 par un nouveau amorceur [Ti(CH2~bh/ AI(C2Hs)3] dans l'huile de silicone 79 Local chain dynamics of poly(methyl methacrylate) in non-entangled concentrated solutions studied by the fluorescence depolarization method 85 Polymerization of 3-methoxy-3-phenylpropene with VCI3-AIEt3: analysis of the side-reactions contributing to the understanding of the mechanism of Ziegler-Natta reaction 89 Modelling of absorption and desorption of a liquid by a polymer device made of a core and a shell III