Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Sumod Kalakkunnath"'
Autor:
Cláudio P. Ribeiro, Anthony C. Comer, Douglass S. Kalika, Benny D. Freeman, Sumod Kalakkunnath
Publikováno v:
Polymer. 54:891-900
The glass–rubber and sub-glass relaxation characteristics of ortho-functionalized aromatic polyimides and thermally rearranged polymers were investigated by dynamic mechanical and dielectric methods. Soluble polyimides (HAB–6FDA; APAF–ODPA) wer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a26368d61e0973ee3af2dbc2cf42c82e
https://doi.org/10.1016/j.polymer.2012.12.022
https://doi.org/10.1016/j.polymer.2012.12.022
Publikováno v:
Industrial & Engineering Chemistry Research. 52:8906-8916
Aromatic random copolyimides were synthesized and tested as membrane materials for the separation of a mixture of aromatic and aliphatic hydrocarbons by pervaporation. The polymers were synthesized by a two-step polycondensation route with a total of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d951690f904125df4b8fef7058df33ee
https://doi.org/10.1021/ie302344z
https://doi.org/10.1021/ie302344z
Publikováno v:
Journal of Membrane Science. :182-193
A series of aromatic polyimides and polybenzoxazoles was synthesized and tested as membrane materials for separation of aromatic/aliphatic mixtures by pervaporation. Homo- and random copolyimides were synthesized by a two-step polycondensation of a t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cbb9347153ed429a4c5207499e1f2334
https://doi.org/10.1016/j.memsci.2011.11.042
https://doi.org/10.1016/j.memsci.2011.11.042
Autor:
Michael K. Danquah, Scott T. Matteucci, Sumod Kalakkunnath, Jeffrey J. Richards, Benny D. Freeman, Douglass S. Kalika, Victor A. Kusuma
Publikováno v:
Chemical Engineering Science. 64:4707-4718
Poly(ethylene oxide) (PEO) networks prepared from the photopolymerization of bisphenol A ethoxylate diacrylate (BPA–EDA) have been investigated as a function of crosslinker molecular weight and copolymer composition. Dynamic mechanical and dielectr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::84d76d31fc9c2527901388d857e1ce24
https://doi.org/10.1016/j.ces.2008.11.026
https://doi.org/10.1016/j.ces.2008.11.026
Publikováno v:
Polymer. 48:7316-7328
The dynamic relaxation characteristics of short-branch rubbery amorphous networks prepared by the photopolymerization of poly(ethylene glycol) diacrylate [PEGDA] crosslinker have been investigated using dynamic mechanical analysis and broadband diele
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7978bf301f4a3ca8d62f37e67d7ce383
https://doi.org/10.1016/j.polymer.2007.10.020
https://doi.org/10.1016/j.polymer.2007.10.020
Publikováno v:
Macromolecules. 40:2773-2781
The dynamic relaxation properties of amorphous rubbery networks prepared by the UV photopolymerization of poly(ethylene glycol) diacrylate [PEGDA] and poly(propylene glycol) diacrylate [PPGDA] cross-linkers have been investigated using broadband diel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f20f272cd45e7b0f4c2458b9dd6b799
https://doi.org/10.1021/ma070016a
https://doi.org/10.1021/ma070016a
Publikováno v:
Journal of Membrane Science. 291:131-139
Network copolymers, prepared by photopolymerizing poly(ethylene glycol) diacrylate (PEGDA: CH 2 CHCOO(CH 2 CH 2 O) 14 OCCH CH 2 ) and poly(ethylene glycol) methyl ether acrylate (PEGMEA: CH 2 CHCO(OCH 2 CH 2 ) 8 OCH 3 ), have been studied for mixed-g
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4075085343b10a296891243224021ded
https://doi.org/10.1016/j.memsci.2007.01.001
https://doi.org/10.1016/j.memsci.2007.01.001
Publikováno v:
Polymer. 48:579-589
The molecular relaxation characteristics of rubbery amorphous crosslinked networks based on poly(ethylene glycol) diacrylate [PEGDA] and poly(propylene glycol) diacrylate [PPGDA] have been investigated using broadband dielectric spectroscopy. Dielect
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::45ac90bafda1ae6e436137b09ff3f64d
https://doi.org/10.1016/j.polymer.2006.11.046
https://doi.org/10.1016/j.polymer.2006.11.046
Autor:
Benny D. Freeman, Haiqing Lin, David F. Sanders, Sumod Kalakkunnath, Roy D. Raharjo, Douglass S. Kalika
Publikováno v:
Journal of Membrane Science. 283:253-265
A series of crosslinked poly(propylene oxide) rubbers was prepared by UV photopolymerization of poly(propylene glycol) diacrylate (PPGDA) in the presence of varying amounts of poly(propylene glycol) methyl ether acrylate (PPGMEA). The polar ether oxy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ce01288ba97ba65ab535da92fd18cfd7
https://doi.org/10.1016/j.memsci.2006.06.038
https://doi.org/10.1016/j.memsci.2006.06.038
Autor:
Douglass S. Kalika, Sumod Kalakkunnath
Publikováno v:
Polymer. 47:7085-7094
The dynamic mechanical and dielectric relaxation properties of a commercial poly(trimethylene terephthalate) [PTT] have been investigated for both quenched and isothermally melt-crystallized specimen films. The relaxation characteristics of PTT were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ebc5256ff4216bd2298842b78c066726
https://doi.org/10.1016/j.polymer.2006.08.005
https://doi.org/10.1016/j.polymer.2006.08.005