Zobrazeno 1 - 10
of 52
pro vyhledávání: '"M.C.S. Perera"'
Publikováno v:
Polymer. 41:9131-9137
Pre-polymers prepared by modifying divinyl benzene by introducing dimethyl siloxane units of different chain lengths were polymerised with divinyl benzene using free radical initiators. The dynamic mechanical properties of the resulting networks were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::46e6a08fd3b68f724b2d96242bbc4859
https://doi.org/10.1016/s0032-3861(00)00260-3
https://doi.org/10.1016/s0032-3861(00)00260-3
Autor:
M.C.S Perera, Catherine Carmel Rowen
Publikováno v:
Polymer. 41:323-334
Methyl methacrylate grafted natural rubber (NR) prepared by free radical polymerisation of methyl methacrylate in NR latex was irradiated to high energy radiation. Their structure and molecular dynamic changes during exposure to high energy radiation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f6a17bb003ce20ccf019ee9837b9e41
https://doi.org/10.1016/s0032-3861(99)00087-7
https://doi.org/10.1016/s0032-3861(99)00087-7
Autor:
M.C.S Perera
Publikováno v:
European Polymer Journal. 35:997-1015
1 H and 13 C NMR spectra of poly allyl acetate, prepared in bulk with initiator benzoyl peroxide, were measured and analysed using spectral editing technique, DEPT, and two-dimensional NMR techniques, COSY and HMQC. Peaks due to end groups resulting
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::69695f3af95e72182b669dd06c21b7dd
https://doi.org/10.1016/s0014-3057(98)00185-2
https://doi.org/10.1016/s0014-3057(98)00185-2
Autor:
M.C.S Perera
Publikováno v:
Polymer. 40:1667-1676
Solid state 13 C n.m.r. measurements were carried out on polymer networks based on methyl methacrylate and diethylene-glycol–bis-allyl-carbonate. Several relaxation time parameters (rotating frame and laboratory frame proton and carbon relaxation t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::723c79bd9e1197aeb6e8e4003192fefc
https://doi.org/10.1016/s0032-3861(98)00390-5
https://doi.org/10.1016/s0032-3861(98)00390-5
Publikováno v:
Polymer. 39:5075-5083
Homopolymers and interpenetrating networks based on diethylene glycol-bis-allyl carbonate and methyl methacrylate were prepared using free radical initiators and their dynamic mechanical properties were investigated. The changes of glass transition t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::936628fd7f56bc5e22d860c4f8e73e62
https://doi.org/10.1016/s0032-3861(97)10025-8
https://doi.org/10.1016/s0032-3861(97)10025-8
Publikováno v:
European Polymer Journal. 33:1353-1364
Free radical polymerisation kinetics of several mono- and di-allyl monomers were studied using FT-NIR, ESR and GPC techniques to measure the monomer conversion, nature and the concentration of the radicals and the polymer molecular weight, respective
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b9ed659e419169b8e4b33fedf6c2b6a8
https://doi.org/10.1016/s0014-3057(96)00142-5
https://doi.org/10.1016/s0014-3057(96)00142-5
Publikováno v:
European Polymer Journal. 33:649-658
The polymerisation of diethylene glycolbis-allyl carbonate to high conversion was investigated by ESR, FTIR and DMA techniques. The ESR spectrum was simulated using a two line, a three line and a broad line spectral component. These spectral componen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f5528b0730425ac1d7fc540b7949fe16
https://doi.org/10.1016/s0014-3057(96)00236-4
https://doi.org/10.1016/s0014-3057(96)00236-4
Publikováno v:
Polymer. 38:695-702
The free radical copolymerization of MMA and CR39 was investigated using Fourier transform infra-red spectroscopy, electron spin resonance (e.s.r.), nuclear magnetic resonance and gel permeation chromatography. The data obtained from these techniques
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7dee92b20dc94971901e6fe94e8c2741
https://doi.org/10.1016/s0032-3861(96)00560-5
https://doi.org/10.1016/s0032-3861(96)00560-5
Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry. 34:2439-2454
The mechanism of radiation-induced structural changes in nitrile rubber with different acrylonitrile contents were investigated by ESR, NMR, and FTIR. To investigate new structures solid-state NMR methods had to be used due to crosslinking of the irr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19bf5f7f26459e6d8f4a94f1f83fb666
https://doi.org/10.1002/(sici)1099-0518(19960915)34:12<2439::aid-pola18>3.0.co
https://doi.org/10.1002/(sici)1099-0518(19960915)34:12<2439::aid-pola18>3.0.co
Publikováno v:
Journal of Applied Polymer Science. 57:1155-1171
The mechanism of radiation vulcanization of natural rubber with 2‐ethyl hexyl acrylate (2EHA) monomer was investigated using electron spin resonance spectroscopy and nuclear magnetic resonance (NMR) spectroscopy. The primary radicals formed in the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86c3ed9dcb132cbd25b8853845706367
https://doi.org/10.1002/app.1995.070571002
https://doi.org/10.1002/app.1995.070571002