TY  - JOUR
U1  - Wissenschaftlicher Artikel
A1  - Spanheimer, Vanessa
A1  - Gamze Gül, Jaber
A1  - Danka, Katrakova-Krüger
T1  - Ground Tire Rubber Particles as Substitute for Calcium Carbonate in an EPDM Sealing Compound
JF  - Polymers
N2  - Ground tire rubber (GTR) is a product obtained by grinding worn tire treads before retreading them or via the cryogenic or ambient temperature milling of end-of-life tires (ELTs). The aim of this study is to evaluate if calcium carbonate can be substituted by GTR and, if so, to what extent. Different types of ground tire rubber are incorporated in an EPDM (ethylene–propylene–diene–rubber) model compound as partial or complete substitutes of calcium carbonate. The raw compounds and the vulcanizates are characterized to identify the limits. In general, it is apparent that increasing amounts of GTR and larger particles degrade the mechanical properties. The GTR also influences the vulcanization kinetics by reducing the scorch time up to 50% and vulcanization time up to nearly 80%. This is significant for production processes. The compounds with one-third substitution with the smaller-particle-size GTR show mostly similar or even better properties than the reference.
KW  - End-of-Life-Tires
KW  - Ground Tire Rubber
KW  - EPDM
KW  - Recycling
KW  - EPDM
KW  - Recycling
Y1  - 2023
UN  - https://nbn-resolving.org/urn:nbn:de:hbz:832-epub4-23723
SN  - 2073-4360
SS  - 2073-4360
U6  - https://doi.org/10.3390/polym15092174
DO  - https://doi.org/10.3390/polym15092174
VL  - 15
IS  - 9
PB  - MDPI
ER  -