Paris. Mars 2008. Ecole Superieure de Chimie et Physique Industrielle. Laboratoire de matiere molle et chimie. Ph D F. TOURNILHAC (CNRS)..La presente invention concerne des materiaux ayant la propriete d'elasticite caoutchoutique constitues de molecules de masse comprise entre 9 et 9000 g/mole. Tout en etant constitue de petites molecules non polymerisees et non reticulees chimiquement, ce materiau presente des proprietes d'elasticite caoutchoutique a temperature ambiante. Au-dessus d'une certaine temperature il coule comme un liquide simple. Il est thermoreversible, c'est a dire que par refroidissement il retrouve sa propriete d'elasticite caoutchoutique. Ce materiau est auto-reparable et potentiellement recyclable ce qui n'est jamais le cas d'un elastomere chimiquement reticule. *** The invention relates to materials having rubber-like elasticity and comprising molecules with a mass of between 9 and 9000 g/mole, all or part of said molecules having at least three groups (also known as associative groups) that can associate by means of noncovalent interactions. The inventive material, which comprises non-polymerised and non-chemically-crosslinked small molecules, has rubber-like elasticity properties. In one embodiment of the invention, the material has rubber-like elasticity at ambient temperature. Above a certain temperature, the material flows like a simple liquid. The material is thermoreversible, i.e. a material with rubber-like elasticity can be obtained once again by means of cooling. In addition, the invention comprises a self-healing material that is potentially recyclable, which is never the case with a chemically-crosslinked elastomer. According to one embodiment of the invention, the molecules forming the inventive material bear associative groups having formula (1), in which A denotes oxygen, sulphur or NH, whereby the carbon atoms on formula (1) can be substituted. A preferably denotes oxygen. Advantageously, the material comprises (i) molecules havin

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Paris. Mars 2008. Ecole Superieure de Chimie et Physique Industrielle. Laboratoire de matiere molle et chimie. Ph D F. TOURNILHAC (CNRS)..La presente invention concerne des materiaux ayant la propriete d'elasticite caoutchoutique constitues de molecules de masse comprise entre 9 et 9000 g/mole. Tout en etant constitue de petites molecules non polymerisees et non reticulees chimiquement, ce materiau presente des proprietes d'elasticite caoutchoutique a temperature ambiante. Au-dessus d'une...
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