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If you want to know more about what we do, visit our website: nanocomp.ictp.csic.es or contact us: [email protected] | MSc-Ing. Saul Utrera, PhD candidate [email protected] | Dr. Marianella Hernández Santana, Responsible of the Research Line: #SelfHealingSmartMaterials

According to World Bank estimates, global waste will grow 70% by 2050. More than 12% of this waste will be of polymeric origin. #SelfHealingSmartMaterials are an effective choice to make progress towards a more sustainable society. The world needs it.

Polymeric #SelfHealingSmartMaterials that allow us to rethink the “take-make-dispose” model of consumption, extending their lifetime and reducing waste, are an innovative strategy that gives a second chance to essential materials for humankind.

The incorporation of GTR as a sustainable strategy was also carried out in XNBR, with promising results in this new #SelfHealingSmartMaterials.

Despite great efforts, recycling of end-of-life tires is difficult. As a sustainable strategy, we have incorporated rubber waste into SBR, improving the repairability of these #SelfHealingSmartMaterials. Details in cutt.ly/lfmnOpS @MaterialsToday @Polymers_MDPI

The incorporation of TRGO to ENR increased its mechanical performance, while hydrogen bonds between rubber and filler confer self-healing capability to this #SelfHealingSmartMaterials. Details in cutt.ly/yfmnIsx @ACS_Omega

But everything is not so easy. Self-healing capability and mechanical performance are antagonistic properties. Overcoming this dichotomy to move towards real applications is one of the main challenges of #SelfHealingSmartMaterials. One solution to this are composites materials.

… and combining these ionic interactions with disulfide exchange reactions. #SelfHealingSmartMaterials

Nitrile rubber (NBR) is the workhorse of the automotive industry. Its chemical resistance makes it suitable for hoses, seals, and gaskets. We have designed carboxylated NBR #SelfHealingSmartMaterials through reversible ionic interactions…

Styrene-Butadiene rubber (SBR) is the most widely consumed synthetic elastomer. Its use is relevant in passenger car tires. We were able to design SBR #SelfHealingSmartMaterials using disulfide exchange reactions. Details in cutt.ly/lfmnOpS @MaterialsToday @Polymers_MDPI

A variant of NR known as epoxidized natural rubber (ENR) is used for its high reactivity. We were able to design ENR #SelfHealingSmartMaterials capable of partially recovering their damage at room temperature. Details in cutt.ly/yfmnIsx @ACS_Omega

… and Diels-Alder chemistry. #SelfHealingSmartMaterials Details in cutt.ly/UfmnUp7 @MaterialsToday

Natural rubber (NR) is the most widely consumed elastomer. Its use in tires dominates all applications. We were able to design NR #SelfHealingSmartMaterials by means of disulfide exchange reactions... Details in cutt.ly/UfmnUp7 @ACSPublications @IOPPublishing

Epoxy resins are thermosets (impossible to reprocess) with numerous applications in composite materials. Introducing an external agent, such as Poly(ethylene-co-methacrylic acid) (EMAA), they become a #SelfHealingSmartMaterials able to repair damages when heated.

Following its historical development and the mechanisms involved, our Group has proposed a universal classification for #SelfHealingSmartMaterials: 1G: Capsule-based 2G: Intrinsic 3G: Vascular-based 4G: Combinations Details in cutt.ly/5fmnR0d @MaterHoriz

There are two types of #SelfHealingSmartMaterials: extrinsic, in which an external healing agent is released by the propagation of a crack and seals it, and intrinsic, which is based on the chemistry of dynamic bonds and supramolecular interactions.

Inspired by nature, self-healing is the ability of materials to repair or restore damage autonomously. #SelfHealingSmartMaterials

Three years ago, our Polymer Composite Group started a pioneering research line to develop #SelfHealingSmartMaterials. Science fiction? No, just science. But what is self-healing?

On behalf of the Polymer Composite Group of @ictp_promocion - @CSIC, I present "Like human skin: #SelfHealingSmartMaterials" to @LatinXChem. This poster summarizes an innovative work that will change polymers as we know them. #LatinXChem #LatinXChemNanoMat #Nano045 [THREAD]