On the key role of SiO2@POSS hybrid filler in tailoring networking and interfaces in rubber nanocomposites

Redaelli, M.; D´Arienzo, M.; Brus, Jiří; Di Credico, B.; Geppi, M.; Giannini, L.; Matějka, Libor; Martini, F.; Panattoni, F.; Špírková, Milena; Šlouf, Miroslav; Scotti, R.; Morazzoni, F.

doi:https://dx.doi.org/10.1016/j.polymertesting.2017.12.022

Number of the records: 1

On the key role of SiO2@POSS hybrid filler in tailoring networking and interfaces in rubber nanocomposites

1.

SYSNO ASEP	0486799
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Článek ve WOS
Title	On the key role of SiO2@POSS hybrid filler in tailoring networking and interfaces in rubber nanocomposites
Author(s)	Redaelli, M. (IT) D´Arienzo, M. (IT) Brus, Jiří (UMCH-V)_{RID, ORCID} Di Credico, B. (IT) Geppi, M. (IT) Giannini, L. (IT) Matějka, Libor (UMCH-V)_RID Martini, F. (IT) Panattoni, F. (IT) Špírková, Milena (UMCH-V)_{RID, ORCID} Šlouf, Miroslav (UMCH-V)_{RID, ORCID} Scotti, R. (IT) Morazzoni, F. (IT)
Source Title	Polymer Testing. - : Elsevier - ISSN 0142-9418 Roč. 65, February (2018), s. 429-439
Number of pages	11 s.
Language	eng - English
Country	GB - United Kingdom
Keywords	rubber nanocomposites ; hybrid materials ; POSS
Subject RIV	CD - Macromolecular Chemistry
OECD category	Polymer science
Institutional support	UMCH-V - RVO:61389013
UT WOS	000424725500050
EID SCOPUS	85042375748
DOI	10.1016/j.polymertesting.2017.12.022
Annotation	The present study provides a comprehensive investigation at the micro and nanoscale of the interface between hybrid SiO2@POSS nanofiller, where silica nanoparticles (NPs) and POSS nanocages are intimately interconnected, and Styrene Butadiene Rubber (SBR). SEM and AFM inspection and, more in depth, solid state 1H NMR revealed a remarkable fraction of rigid rubber close to the SiO2@POSS surfaces, which increases with the curing temperature. Instead, a reduced amount of immobilized rubber was detected for SBR/SiO2+POSS nanocomposites, obtained by simply mixing SBR, SiO2 and POSS. The results allowed us to propose a model for the network formation in C-SBR/SiO2@POSS. This is based on the progressive activation by dicumylperoxide (DCP) of the methacryl functionalities of POSS nanounits which, being closely connected to SiO2 NPs in SiO2@POSS, promote crosslinking in proximity of the filler surfaces, and lead to the generation of a tight network strongly bonded to the rubber chains.
Workplace	Institute of Macromolecular Chemistry
Contact	Eva Čechová, cechova@imc.cas.cz ; Tel.: 296 809 358
Year of Publishing	2019

Number of the records: 1