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Rimmer, Steve

doi:10.1039/b106462m

Cited by 2 publications

(2 citation statements)

References 127 publications

(109 reference statements)

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“…Among them, polymer networks with narrowly size-distributed polymer segments are of great current interest, because they form such regular nanostructures. Generally, such networks are obtained by cross-linking polymers derived by living or at least controlled polymerization strategies. − Often the narrowly size-distributed network segments afford much more distinguished properties than the respective networks derived by noncontrolled polymerization techniques. Examples are the thermo-response of LCST polymers, the selectivity of imprinted conetworks, and the porosity of membranes …”

Section: Introductionmentioning

confidence: 99%

Amphiphilic Polymer Conetworks Based on End Group Cross-Linked Poly(2-oxazoline) Homo- and Triblock Copolymers

et al. 2013

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Novel amphiphilic polymer conetworks (APCNs) were prepared via end group cross-linking. To this end, poly(2-methyloxazoline) (PMOx), poly(2-butyloxazoline) (PBuOx), and the triblock copolymers PMOx-b-PBuOx-b-PMOx were synthesized by cationic ring-opening polymerization in varying block lengths and telechelically modified with N,N -bis(2-aminoethyl)ethylendiamine (TREN). First the cross-linking with 1,4-dibromo-2-butene (DBB) was established for the homopolymers. The swelling of those matches the theoretical value for full cross-linking, indicating that in this way “near perfect” networks could be obtained. Mixtures of the homopolymers and the triblock copolymers were cross-linked with DBB to give APCNs with similar polymer segments but different network topology. AFM showed that all formed APCNs are nanophase separated with slight structural differences in the nanostructures when comparing conetworks with similar composition but different cross-linking strategies. The more drastic difference between APCNs of different topologies was found in their swelling characteristics, which clearly proves the influence of conetwork structure on their properties.

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Section: Introductionmentioning

confidence: 99%

Amphiphilic Polymer Conetworks Based on End Group Cross-Linked Poly(2-oxazoline) Homo- and Triblock Copolymers

et al. 2013

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“…34 Furthermore, POx with butyl or longer side chains are even able to crystallize under certain conditions, which may offer the melting temperature as an additional trigger temperature for a shape-memory effect. 33,35,36 In the past, POx networks were synthesized by living or at least controlled polymerization strategies [37][38][39] toward hydrogels [40][41][42][43] and amphiphilic polymer conetworks 44 but were never considered in the sense of a shape-memory polymer.…”

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confidence: 99%

Thermo‐/moisture‐responsive shape‐memory effect of poly(2‐ethyl‐2‐oxazoline) networks

Segiet

Raidt

Özdem

et al. 2019

J Polym Sci B Polym Phys

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In this work, poly(2-ethyl-2-oxazoline) (PEtOx) is crosslinked to realize a moisture-and thermo-responsive shapememory polymer. The obtained PEtOx networks exhibit excellent shape-memory properties with storable strains of up to 650% and recovery values of 100% over at least 10 shapememory cycles. The trigger temperature (T trig ) of 68 C of a PEtOx network at a relative humidity (RH) of 0% decreases with increasing moisture and equals room temperature at an RH of 40%. Thus, programmed PEtOx networks trigger sensitively on a certain temperature/moisture combination and, further, can be programmed as well as triggered at room temperature exclusively by varying humidity.

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Cited by 2 publications

References 127 publications

Amphiphilic Polymer Conetworks Based on End Group Cross-Linked Poly(2-oxazoline) Homo- and Triblock Copolymers

Amphiphilic Polymer Conetworks Based on End Group Cross-Linked Poly(2-oxazoline) Homo- and Triblock Copolymers

Thermo‐/moisture‐responsive shape‐memory effect of poly(2‐ethyl‐2‐oxazoline) networks

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