Results 31 to 40 of about 2,277,186 (317)

مروری بر کامپوزیت‌های پلیمر-سیلسزکیوکسان اولیگومری چندوجهی [PDF]

open access: yesBaspārish, 2017
در سال‌های اخیر، کامپوزیت‌های پلیمری با نانوذرات سیلسزکیوکسان اولیگومری چندوجهی (POSS) بسیار مطالعه شده‌اند. ابعاد نانومتری و نیز امکان وجود گروه‌های عاملی مختلف در ساختار این نانوذرات باعث شده است تا کامپوزیت‌های ساخته شده از آن‌ها، دارای خواص منحصربه ...
منصوره زارع زاده مهریزی   +3 more
doaj   +1 more source

Polymerization of Ethylene Using α-Diimine Nickel Catalyst [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2013
The late transition metal catalysts based on end group of transition metals in the periodic table like Ni, Fe, Co, Pd, Pt were developed rapidly in polyolefin industrial productions.
Hassan Arabi1   +4 more
doaj   +1 more source

Estimation of pyrolysis product of LDPE degradation using different process parameters in a stirred reactor [PDF]

open access: yesPolyolefins Journal, 2015
Pyrolysis of low density polyethylene (LDPE) by equilibrium fluid catalytic cracking (FCC) was studied in a stirred reactor under different process parameters.
Mehrdad Seifali Abbas-Abadi   +3 more
doaj   +1 more source

Compositional Determination of Vinyl Acetate/Vinyl Benzoate Copolymer by Fourier Transform Infrared Spectroscopy [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2015
Relating polymer structure to its performance properties is a primary motivation for determining the structure of a polymer chain. If a polymer chain is completely characterized and the structural basis of its properties is known, one can optimize and ...
Poorya Bigdeli   +2 more
doaj   +1 more source

Ring-Expansion Metathesis Polymerization: Catalyst-Dependent Polymerization Profiles [PDF]

open access: yes, 2009
Ring-expansion metathesis polymerization (REMP) mediated by recently developed cyclic Ru catalysts has been studied in detail with a focus on the polymer products obtained under varied reaction conditions and catalyst architectures.
Boydston, Andrew J.   +6 more
core   +2 more sources

50th Anniversary Perspective: RAFT Polymerization—A User Guide

open access: yes, 2017
This Perspective summarizes the features and limitations of reversible addition–fragmentation chain transfer (RAFT) polymerization, highlighting its strengths and weaknesses, as our understanding of the process, from both a mechanistic and an application
S. Perrier
semanticscholar   +1 more source

Surface-Initiated Controlled Radical Polymerization: State-of-the-Art, Opportunities, and Challenges in Surface and Interface Engineering with Polymer Brushes.

open access: yesChemical Reviews, 2017
The generation of polymer brushes by surface-initiated controlled radical polymerization (SI-CRP) techniques has become a powerful approach to tailor the chemical and physical properties of interfaces and has given rise to great advances in surface and ...
J. Zoppe   +5 more
semanticscholar   +1 more source

Self-Consistent Field Theory of Inhomogeneous Polymeric Systems: A Variational Derivation [PDF]

open access: yesAdv. Theory Simul. 2019, 1800188, 2019
The self-consistent field theory (SCFT) is a powerful framework for the study of the phase behavior and structural properties of many-body systems. In particular, polymeric SCFT has been successfully applied to inhomogeneous polymeric systems such as polymer blends and block copolymer melts.
arxiv   +1 more source

Synthesis and Characterization of Quaternary Polymers as Superplasticizer and Assessing Their Effectiveness on Micronized Cement Particles [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2017
Different macromonomers having polyethylene glycol branches were synthesized via esterification reactions in various conditions. Quaternary polymers were prepared using synthesized macromonomers of polyoxyethylene acrylate and methacrylate with a PEG ...
Mohammad Reza Rostami Daronkola
doaj   +1 more source

Interfacial chemical oxidative synthesis of multifunctional polyfluoranthene. [PDF]

open access: yes, 2015
A novel polyfluoranthene (PFA) exhibiting strong visual fluorescence emission, a highly amplified quenching effect, and widely controllable electrical conductivity is synthesized by the direct cationic oxidative polymerization of fluoranthene in a ...
Huang, Mei-Rong   +3 more
core   +1 more source

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