[15] Cyclic ladder polymers based on 5,5 ‘, 6,6 ‘-tetrahydroxy-3,3,3 ‘, 3 ‘-tetramethylspirobisindane and 2,3,5,6-tetrafluoropyridines, H. R. Kricheldorf, D. Fritsch, L. Vakhtangishvili, N. Lomadze, G. Schwarz, Macromolecules 2006, 39, 4990-4998, 10.1021/ma051398s.

[16] Cyclic and Telechelic Ladder Polymers Derived from Tetrahydroxytetramethylspirobisindane and 1,4-dicyanotetrafluorobenzene, H. R. Kricheldorf, N. Lomadze, D. Fritsch, G. Schwarz, Journal of Polymer Science Part a-Polymer Chemistry 2006, 44, 5344-5352, 10.1002/pola.21627.

[17] Multicyclic polyethers derived from 1,4-dicyanotetrafluorobenzene and flexible diphenols, H. R. Kricheldorf, J. Schellenberg, G. Schwarz, Macromolecules 2006, 39, 6445-6450, 10.1021/ma0608951.

[18] Adsorption studies of a microporous phthalocyanine network polymer, A. V. Maffei, P. M. Budd, N. B. McKeown, Langmuir 2006, 22, 4225-4229, 10.1021/la060091z.

[19] Polymers of intrinsic microporosity (PIMs): organic materials for membrane separations, heterogeneous catalysis and hydrogen storage, N. B. McKeown, P. M. Budd, Chemical Society Reviews 2006, 35, 675-683, 10.1039/b600349d.

[20] Towards polymer-based hydrogen storage materials: Engineering ultramicroporous cavities within polymers of intrinsic microporosity, N. B. McKeown, B. S. Ghanem, K. J. Msayib, P. M. Budd, C. E. Tattershall, K. Mahmood, S. Tan, D. Book, H. W. Langmi, A. Walton, Angewandte Chemie-International Edition 2006, 45, 1804-1807, 10.1002/anie.200504241.

[21] Polymers with intrinsic microporosity engineered for hydrogen storage, S. Trohalaki, Mrs Bulletin 2006, 31, 366-366,


[22] The potential of organic polymer-based hydrogen storage materials, P. M. Budd, A. Butler, J. Selbie, K. Mahmood, N. B. McKeown, B. Ghanem, K. Msayib, D. Book, A. Walton, Physical Chemistry Chemical Physics 2007, 9, 1802-1808, 10.1039/b618053a.

[23] Unusual temperature dependence of the positron lifetime in a polymer of intrinsic microporosity, R. L. de Miranda, J. Kruse, K. Raetzke, F. Faupel, D. Fritsch, V. Abetz, P. M. Budd, J. D. Selbie, N. B. McKeown, B. S. Ghanem, Physica Status Solidi-Rapid Research Letters 2007, 1, 190-192, 10.1002/pssr.200701116.

[24] A triptycene-based polymer of intrinsic microposity that displays enhanced surface area and hydrogen adsorption, B. S. Ghanem, K. J. Msayib, N. B. McKeown, K. D. M. Harris, Z. Pan, P. M. Budd, A. Butler, J. Selbie, D. Book, A. Walton, Chem. Commun. 2007, 67-69, 10.1039/b614214a.

[25] Microporous polymers as potential hydrogen storage materials, N. B. McKeown, P. M. Budd, D. Book, Macromolecular Rapid Communications 2007, 28, 995-1002, 10.1002/marc.200700054.

[26] Exploring polymers of intrinsic microporosity-microporous, soluble polyamide and Polyimide, J. Weber, O. Su, M. Antonietti, A. Thomas, Macromolecular Rapid Communications 2007, 28, 1871-1876, 10.1002/marc.200700346.