Results 11 to 20 of about 36,048 (301)

Correction to “Carbodiimide Ring-Opening Metathesis Polymerization”

open access: yesACS Central Science, 2023
Correction to “Carbodiimide Ring-Opening Metathesis ...
J. Drake Johnson   +6 more
doaj   +2 more sources

Research Progress of Biodegradable Polyester Polyols Based on Ring-Opening Polymerization of Cyclohexene Carbonate

open access: yesMedžiagotyra, 2020
The polycarbonate polyols(PCD) obtained by ring-opening polymerization of a general cyclic monomer is mostly a linear flexible structure, which is used as a raw material to synthesize polyurethanes, and it is difficult to simultaneously ensure good ...
Xuemei WANG   +4 more
doaj   +1 more source

Radical ring-opening polymerization of sustainably-derived thionoisochromanone

open access: yes, 2022
We present the synthesis, characterization and radical ring-opening polymerization (rROP) capabilities of thionoisochromanone (TIC), a fungi-derivable thionolactone.
Anna, Luke   +6 more
core   +1 more source

"Research progress in preparation of thermoplastic elastomers by living controlled polymerization"

open access: yesHecheng xiangjiao gongye, 2023
Starting with polymerization methods such as anionic polymerization, cationic polymerization, ring-opening polymerization, and controlled free radical polymerization, the research progress of different types of thermoplastic elastomer synthesis ...
ZHANG hao1, ZHANG Hua-qiang2, LIU Ruo-fan1, ZHAO Zhi-chao2, JIN Yu-shun1, LI Fu-chong2, WU Yi-bo1
doaj   +1 more source

Ring-Opening Metathesis Polymerization of Pyridinonorbornenes Synthesized from 2,3-Pyridynes

open access: yes, 2022
Pyridine-containing polymers are promising materials for a variety of applications from the capture of contaminants to the self-assembly of block copolymers.
Sarah N., Hancock   +3 more
core   +1 more source

The Cationic Ring-Opening Polymerization of Tetrahydrofuran with 12-Tungstophosphoric Acid

open access: yesMolecules, 2010
The cationic ring-opening polymerization reaction of tetrahydrofuran at 20 ºC was catalyzed by H3PW12O40·13H2O as solid acid catalyst. The effect of the proportions of acetic anhydride and catalyst, reaction time and support on the polymerization ...
Hassan Al-Shahri   +2 more
doaj   +1 more source

Spiroorthocarbonate as shrinkage resistance for UV-curing 3D printing: UV-curing kinetics, mechanical properties and volume shrinkage

open access: yeseXPRESS Polymer Letters, 2021
Spiroorthocarbonates (SOCs) exhibit good shrinkage resistance with ring-opening polymerization initiated by a cationic photoinitiator, with potential application in reducing the volume shrinkage by C=C double bond polymerization on three-dimensional (3D)
G. H. Lin   +6 more
doaj   +1 more source

Free radical ring-opening polymerization [PDF]

open access: yesDie Makromolekulare Chemie, 1985
Although unstrained five- or six-membered carbocyclic systems undergo free radical ring-closing polymerization, the introduction of an oxygen into the ring will promote free radical ring-opening polymerization, since the resulting carbon–oxygen double bond is approximately 50 kcal more stable than a carbon-carbon double bond.
openaire   +1 more source

Bayesian-optimization-assisted discovery of stereoselective aluminum complexes for ring-opening polymerization of racemic lactide

open access: yesNature Communications, 2023
Stereoselective ring-opening polymerization catalysts are used to produce degradable stereoregular poly(lactic acids) with thermal and mechanical properties that are superior to those of atactic polymers.
Xiaoqian Wang   +7 more
doaj   +1 more source

Recent advances in enantioselective ring-opening polymerization and copolymerization

open access: yesCommunications Chemistry, 2023
Precisely controlling macromolecular stereochemistry and sequences is a powerful strategy for manipulating polymer properties. Controlled synthetic routes to prepare degradable polyester, polycarbonate, and polyether are of recent interest due to the ...
Xiaoyu Xie   +3 more
doaj   +1 more source

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