Results 21 to 30 of about 36,048 (301)

Aspectos de la polimerización de glicidil metacrilato y sulfuro de propileno, usando difenilcinc como iniciador [PDF]

Avances en Química, 2010
The catalytic activity of diphenylzinc as initiator in the ring opening polymerization of glycidyl methacrylate (GMA) and propylene sulfide (PS) was analyzed. Diphenylzinc exhibited high activity as initiator in the polymerization of both monomers.
Alejandra Del Valle, Jesús Contreras, Carlos Torres   +2 more
doaj  

Copolymerization of phthalonitrile-based resin containing benzoxazine and cyanate ester: Curing behaviors, fiber-reinforced composite laminates and improved properties

eXPRESS Polymer Letters, 2019
Curing behaviors and copolymerization mechanisms between phthalonitrile-based resin containing benzoxazine (A-ph) and cyanate ester (CE) were characterized and discussed.
L. Chen, D. X. Ren, S. J. Chen, H. Pan, M. Z. Xu, X. B. Liu   +5 more
doaj   +1 more source

Functionalized Polyesters via Stereoselective Electrochemical Ring-Opening Polymerization of O-Carboxyanhydrides

, 2020
Ring-opening polymerization is used to prepare polyesters with precisely controlled molecular weights, molecular weight distributions, and tacticities.
jia, chen, quanyou, feng, xiaoqian, wang, wenjun, cai, Yongliang, Zhong, Rong, Tong   +5 more
core   +1 more source

Precision Aliphatic Polyesters via Segmer Assembly Polymerization

Molecules, 2018
Precise structure-property relation of a biodegradable polymer (e.g., aliphatic polyester) is anticipated only if monomer units and chiral centers are arranged in a defined primary sequence as a biomacromolecule. An emerging synthetic methodology, namely
Fu-Rong Zeng, Yang Liang, Zi-Long Li
doaj   +1 more source

Polylactide-Based Materials: Synthesis and Biomedical Applications

Molecules, 2023
Polylactide (PLA) is a biocompatible polyester that can be obtained by polycondensation of lactic acid or the ring-opening polymerization (ROP) of lactide [...]
Marek Brzeziński, Malgorzata Basko
doaj   +1 more source

Data for quantum-chemical modeling of the mechanisms of ring-opening polymerization of methyl ethylene phosphate

Data in Brief, 2019
The data presented in this paper are related to the research article entitled ''Mechanistic study of transesterification in TBD-catalyzed ring-opening polymerization of methyl ethylene phosphate'' (Nifant'ev et al., 2019).
Ilya E. Nifant'ev, Andrey V. Shlyakhtin, Maxim A. Kosarev, Pavel D. Komarov, Stanislav G. Karchevsky, Pavel V. Ivchenko   +5 more
doaj   +1 more source

Selective Ring-Opening Allene Metathesis: Polymerization or Ruthenium Vinylidene Formation

, 2021
Selective ring-opening allene metathesis polymerization (ROAlMP) and ruthenium vinylidene formation from 1,2-cyclononadiene (1) by simple catalyst selection are discussed.
Yunyan, Sun, Jeffrey S. Moore, William, Neary, Yunyan Sun, Jeffrey S., Moore, William J. Neary   +5 more
core   +1 more source

Developing New Methods for the Mono-end Functionalization of Living Ring Opening Metathesis Polymers

CHIMIA, 2012
In this article we present a review of our recent results in one area of research we are involved in. All research efforts in our group focus on functional polymers and new ways of gaining higher levels of control with regard to the placement of
Andreas F. M. Kilbinger
doaj   +1 more source

The Radical Ring-Opening Polymerization of Cyclic Ketene Acetals Revisited: An Experimental and Theoretical Study

, 2020
Radical Ring-Opening polymerization (rROP) of Cyclic Ketene Acetals (CKAs) combines the advantages of both ring-opening and radical polymerization thereby allowing the robust production of polyesters.
Antoine, Tardy, Catherine, Lefay, Yohann, Guillaneuf, Didier, Siri, Noémie, Gil, Didier, Gigmes, Christopher M., Plummer   +6 more
core   +1 more source

Controlled Ring-Opening Polymerization of O-Carboxyanhydrides to Synthesize Functionalized Poly(α-Hydroxy Acids)

Organic Materials, 2021
Poly(α-hydroxy acids), as a family of biodegradable polyesters, are valuable materials due to their broad applications in packaging, agriculture, and biomedical engineering.
Xiaoqian Wang, Ai Lin Chin, Rong Tong
doaj   +1 more source