Polymers at Interfaces: Novel Copolymer Designs for Interfacial Strengthening |
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Page 32
... entanglement . Typically in block copolymer studies A - B block copolymers are used to strengthen the interface between homopolymers A and B. For strengthening to occur , the blocks of the copolymer must be long enough to allow chain ...
... entanglement . Typically in block copolymer studies A - B block copolymers are used to strengthen the interface between homopolymers A and B. For strengthening to occur , the blocks of the copolymer must be long enough to allow chain ...
Page 68
... entanglement degree of polymerization of PS is NE≈ 173 , extensive entanglement among the graft copolymers is not expected . Assuming that the PS ( OH ) graft arms are placed randomly along the main chain , it is possible to estimate ...
... entanglement degree of polymerization of PS is NE≈ 173 , extensive entanglement among the graft copolymers is not expected . Assuming that the PS ( OH ) graft arms are placed randomly along the main chain , it is possible to estimate ...
Page 86
... entanglement of these enriched copolymer chains with the homopolymers and the extensive entanglement within the copolymer layer , a strongly reinforced interface is afforded . Therefore , the multiple points of reinforcements per chain ...
... entanglement of these enriched copolymer chains with the homopolymers and the extensive entanglement within the copolymer layer , a strongly reinforced interface is afforded . Therefore , the multiple points of reinforcements per chain ...
Contents
List of Schemes XV | 10 |
The Role of Polymer Architecture in Strengthening | 31 |
The Role of Functional Groups in Strengthening | 84 |
1 other sections not shown
Common terms and phrases
4-acetoxystyrene 4-methoxystyrene anionic polymerization areal chain density benzamide benzamide copolymers block copolymers broad Chain Density chains/nm² chain pull-out chain scission cm¹ Copolymer Areal Chain copolymer chains copolymer composition copolymer layer thickness craze Creton degree of polymerization deprotected deuterated polystyrene deuterium diblock dichloromethane entanglement equiv Figure fraction of deuterated fraction of dPS fracture plotted fracture toughness Fracture Toughness J/m² fracture toughness measurements Fracture toughness plotted Fréchet graft copolymers H NMR H-bonding homopolymer hydrogen bonding hydroxystyrene interface after fracture interfacial fracture toughness interfacial strengthening Kramer low areal chain Macromolecules metalation methanol molecular weight distribution monomer Mw/Mn NMR spectra observed pentablock copolymer phase boundary poly(4-hydroxystyrene polymer polymeric initiator polystyrene side primary benzamide proton PS/PVP interface reinforced PVP plates PVP side pyridine radical polymerization random copolymer resonances Scheme segments side after fracture side of interface solution styrene styrene-dg superbase thickness and areal triblock