Results 11 to 20 of about 12,163 (230)

Dualfunktional polymer brushes and dualfunktional polymer nanoreactors [PDF]

open access: yes, 2013
The design of new systems featuring multi-functionalities represents a key strategy in meeting complex challenges in various domains including chemistry, medicine, environmental sciences, and technology.
Dobrunz, Dominik
core   +1 more source

Plastisol Gelation and Fusion Rheological Aspects [PDF]

open access: yes, 2013
This study deals with the rheological aspects of poly-vinyl chloride (PVC) plastisol gelation and fusion processes in foamable formulations. Here, such processes are simulated by temperature-programmed experiment (5 K min−1) in which complex viscosity ...
Agnes Zoller   +5 more
core   +1 more source

The effect of branching in a semiconducting polymer on the efficiency of organic photovoltaic cells [PDF]

open access: yes, 2016
The impact of branching in a diketopyrrolopyrrole polymer on the performance of polymer–fullerene photovoltaic cells is investigated. Compared to the linear polymer, the branched polymer affords a more finely dispersed fibrillar network in the ...
van Franeker, J.J.   +4 more
core   +1 more source

Structural analysis of hyperbranched polyhydrocarbon synthesized by electrochemical polymerization

open access: yes, 2022
We describe a structural analysis method for a hyperbranched polyhydrocarbon (PHC) produced by electrochemical polymerization. Nuclear magnetic resonance (NMR) techniques including H-1-NMR, quantitative C-13-NMR, DEPT C-13-NMR, and H-1-C-13 HSQC 2D NMR ...
Shin, Eunhye   +18 more
core   +1 more source

Anionic Polymerization of Para-Diethynylbenzene: Synthesis of a Strictly Linear Polymer

open access: yes, 2022
Anionic homo- and copolymerization of p-diethynylbenzene in the presence of n-BuLi in polar solvents was carried out. The use of hexamethylphosphortriamide (HMPA) makes it possible to synthesize a completely linear soluble polymer that does not have ...
Alexander A. Maltsev   +4 more
core   +1 more source

Nucleic Acid Carriers Based on Precise Polymer Conjugates [PDF]

open access: yes, 2011
Polymer polydispersity, random conjugation of functional groups, and poorly understood structure–activity relationships have constantly hampered progress in the development of nucleic acid carriers.
Christina Troiber   +3 more
core   +1 more source

Synthesis of Amylose−Polystyrene Inclusion Complexes by a Facile Preparation Route [PDF]

open access: yes, 2013
The formation of amylose−polystyrene inclusion complexes via a novel two-step approach is described. In the first-step, styrene was inserted inside the amylose helical cavity, followed by free radical polymerization in the second step.
Loos, Katja,   +6 more
core   +1 more source

An analytical approach to elucidate the architecture of polyethyleneimines [PDF]

open access: yes, 2022
Polyethyleneimine (PEI) is a common polymer used in many industrial applications and in research, especially in surface chemistry. It is available in a wide range of molecular weights and different degrees of branching.
Kinga Grenda   +17 more
core   +1 more source

Ring-Opening Polymerization (ROP) and Catalytic Rearrangement as a Way to Obtain Siloxane Mono- and Telechelics, as Well as Well-Organized Branching Centers: History and Prospects

open access: yes, 2022
PDMS telechelics are important both in industry and in academic research. They are used both in the free state and as part of copolymers and cross-linked materials.
Bezlepkina, Kseniya A.   +7 more
core   +1 more source

Synthesis of branched polysaccharides with tunable degree of branching [PDF]

open access: yes, 2013
An in vitro enzyme-catalyzed tandem reaction using the enzymes phosphorylase b from rabbit muscle and Deinococcus geothermalis glycogen branching enzyme (Dg GBE) to obtain branched polyglucans with tunable degree of branching (2% ÷ 13%) is presented. The
Ciric, Jelena,   +4 more
core   +1 more source

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