Natural rubber composites using hydrothermally carbonized hardwood waste biomass as a partial reinforcing filler-Part II: mechanical, thermal and ageing (chemical) properties

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389013%3A_____%2F23%3A00573543" target="_blank" >RIV/61389013:_____/23:00573543 - isvavai.cz</a>

Result on the web

<a href="https://www.mdpi.com/2073-4360/15/10/2397" target="_blank" >https://www.mdpi.com/2073-4360/15/10/2397</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3390/polym15102397" target="_blank" >10.3390/polym15102397</a>

Result language

angličtina

Original language name

Natural rubber composites using hydrothermally carbonized hardwood waste biomass as a partial reinforcing filler-Part II: mechanical, thermal and ageing (chemical) properties

Original language description

Natural rubber composites were reinforced by the co-fillers ‘hydrochar’ (HC), obtained by hydrothermal carbonization of hardwood sawdust and commercial carbon black (CB). The content of the combined fillers was kept constant while their ratio was varied. The aim was to test the suitability of HC as a partial filler in natural rubber. Due to its larger particle size and hence smaller specific surface area, large amounts of HC reduced the crosslinking density in the composites. On the other hand, due to its unsaturated organic character, HC was found to display interesting chemical effects: if it was used as the exclusive filler component, it displayed a very strong anti-oxidizing effect, which greatly stabilized the rubber composite against oxidative crosslinking (and hence embrittlement). HC also affected the vulcanization kinetics in different ways, depending on the HC/CB ratio. Composites with HC/CB ratios 20/30 and 10/40 displayed interesting chemical stabilization in combination with fairly good mechanical properties. The performed analyses included vulcanization kinetics, tensile properties, determination of density of permanent and reversible crosslinking in dry and swollen states, chemical stability tests including TGA, thermo-oxidative aging tests in air at 180 °C, simulated weathering in real use conditions (‘Florida test’), and thermo-mechanical analyses of degraded samples. Generally, the results indicate that HC could be a promising filler material due to its specific reactivity.

Czech name

—

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

—

OECD FORD branch

10404 - Polymer science

Project

<a href="/en/project/TN02000020" target="_blank" >TN02000020: Centre of Advanced Electron and Photonic Optics</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2023

Confidentiality

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

Name of the periodical

Polymers

ISSN

2073-4360

e-ISSN

2073-4360

Volume of the periodical

15

Issue of the periodical within the volume

10

Country of publishing house

CH - SWITZERLAND

Number of pages

30

Pages from-to

2397

UT code for WoS article

000996878300001

EID of the result in the Scopus database

2-s2.0-85149695345