Persulfate initiated free-radical polymerization of itaconic acid: Kinetics, end-groups and side products

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389013%3A_____%2F18%3A00491293" target="_blank" >RIV/61389013:_____/18:00491293 - isvavai.cz</a>

Result on the web

<a href="http://dx.doi.org/10.1016/j.eurpolymj.2018.07.010" target="_blank" >http://dx.doi.org/10.1016/j.eurpolymj.2018.07.010</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.eurpolymj.2018.07.010" target="_blank" >10.1016/j.eurpolymj.2018.07.010</a>

Result language

angličtina

Original language name

Persulfate initiated free-radical polymerization of itaconic acid: Kinetics, end-groups and side products

Original language description

Persulfate initiated free radical homopolymerization of itaconic acid in aqueous media has been investigated at 65 °C. The research was focused on the elucidation of the chemical structure of low-molecular-weight side products and itaconic oligomers separated from polymeric fraction by dialysis (cut-off of 1000 Da). Nuclear magnetic resonance (NMR) 1H, 13C, 1H–13C me-HSQC and 1H–13C HMBC experiments and direct infusion electrospray ionization mass spectrometry (ESI-MS) operated in the negative ion mode have been combined to investigate the low-molecular fraction. It was found that 2-hydroxyparaconic and itatartaric acid are the primary oxidation products formed during free radical polymerization of itaconic acid. Besides, ESI-MS analysis revealed sulfate, hydroxyl and lactone terminal groups resulted from disproportionation, combination and transfer processes. Kinetics studies using Raman spectrometry in initiator range of 0.07–0.32 mol/L and for monomer concentration between 1.32 and 2.63 mol/L indicated non-classical dependency both polymerization rate and initiator decomposition rate on monomer and initiator concentration.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

10404 - Polymer science

Project

—

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2018

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

European Polymer Journal

ISSN

0014-3057

e-ISSN

—

Volume of the periodical

106

Issue of the periodical within the volume

September

Country of publishing house

GB - UNITED KINGDOM

Number of pages

9

Pages from-to

63-71

UT code for WoS article

000445993400007

EID of the result in the Scopus database

2-s2.0-85049552220