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Dr. Umaprasana Ojha
Dr. Umaprasana Ojha
Associate Professor, Rajiv Gandhi Institute of Petroleum Technology
Dirección de correo verificada de rgipt.ac.in
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Thermoresponsive semicrystalline poly (ε-caprolactone) networks: exploiting cross-linking with cinnamoyl moieties to design polymers with tunable shape memory
A Garle, S Kong, U Ojha, BM Budhlall
ACS applied materials & interfaces 4 (2), 645-657, 2012
1062012
Syntheses and characterization of novel biostable polyisobutylene based thermoplastic polyurethanes
U Ojha, P Kulkarni, R Faust
Polymer 50 (15), 3448-3457, 2009
972009
Catalyst-free partially bio-based polyester vitrimers
S Debnath, S Kaushal, U Ojha
ACS Applied Polymer Materials 2 (2), 1006-1013, 2020
702020
A new general methodology for the syntheses of end-functional polyisobutylenes by nucleophilic substitution reactions
U Ojha, R Rajkhowa, SR Agnihotra, R Faust
Macromolecules 41 (11), 3832-3841, 2008
672008
Functional Hydrocarbon Polymers and Process for Producing Same
R Faust, U Ojha
US Patent App. 12/514,838, 2010
612010
Long term in vitro biostability of segmented polyisobutylene‐based thermoplastic polyurethanes
D Cozzens, U Ojha, P Kulkarni, R Faust, S Desai
Journal of Biomedical Materials Research Part A 95 (3), 774-782, 2010
542010
Polyisobutylene-based polyurethanes
R Faust, U Ojha
US Patent 9,574,043, 2017
532017
Polyisobutylene modified bisphenol a diglycidyl ether based epoxy resins possessing improved mechanical properties
R Tripathy, U Ojha, R Faust
Macromolecules 44 (17), 6800-6809, 2011
512011
Effect of cationic copolyelectrolyte additives on drilling fluids for shales
M Beg, S Sharma, U Ojha
Journal of Petroleum Science and Engineering 161, 506-514, 2018
502018
Recyclable thermosets based on dynamic amidation and aza-michael addition chemistry
R Baruah, A Kumar, RR Ujjwal, S Kedia, A Ranjan, U Ojha
Macromolecules 49 (20), 7814-7824, 2016
502016
Polyacryloyl hydrazide: an efficient, simple, and cost effective precursor to a range of functional materials through hydrazide based click reactions
A Kumar, RR Ujjwal, A Mittal, A Bansal, U Ojha
ACS Applied Materials & Interfaces 6 (3), 1855-1865, 2014
472014
Dynamic carboxylate linkage based reprocessable and self-healable segmented polyurethane vitrimers displaying creep resistance behavior and triple shape memory ability
S Debnath, SK Tiwary, U Ojha
ACS Applied Polymer Materials 3 (4), 2166-2177, 2021
432021
Shale inhibition by low-molecular-weight cationic polymer in water-based mud
M Beg, P Singh, S Sharma, U Ojha
Journal of Petroleum Exploration and Production Technology 9, 1995-2007, 2019
422019
Surface characterization and protein interactions of segmented polyisobutylene-based thermoplastic polyurethanes
D Cozzens, A Luk, U Ojha, M Ruths, R Faust
Langmuir 27 (23), 14160-14168, 2011
412011
Self-healable and recyclable dynamic covalent networks based on room temperature exchangeable hydrazide Michael adduct linkages
S Debnath, RR Ujjwal, U Ojha
Macromolecules 51 (23), 9961-9973, 2018
392018
Syntheses and characterization of polyisobutylene macromonomers with methacrylate, acrylate, glycidyl ether, or vinyl ether end-functionality
R Tripathy, U Ojha, R Faust
Macromolecules 42 (12), 3958-3964, 2009
352009
Syntheses, characterization, and properties of multiblock copolymers consisting of polyisobutylene and poly(L‐lactide) segments
U Ojha, P Kulkarni, J Singh, R Faust
Journal of Polymer Science Part A: Polymer Chemistry 47 (14), 3490-3505, 2009
322009
Nanocomposite grafted stretchable and conductive ionic hydrogels for use as soft electrode in a wearable electrocardiogram monitoring device
S Mandal, A Seth, V Yadav, S Kumari, M Kumar, U Ojha
ACS Applied Polymer Materials 2 (2), 618-625, 2019
312019
Supplementary networking of interpenetrating polymer system (SNIPSy) strategy to develop strong & high water content ionic hydrogels for solid electrolyte applications
S Mandal, S Kumari, M Kumar, U Ojha
Advanced Functional Materials 31 (26), 2100251, 2021
292021
General reagent free route to pH responsive polyacryloyl hydrazide capped metal nanogels for synergistic anticancer therapeutics
RR Ujjwal, MP Purohit, S Patnaik, U Ojha
ACS applied materials & interfaces 7 (21), 11497-11507, 2015
292015
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Artículos 1–20