RESEARCH & DEVELOPMENT

Specialized on "tailor-made" formulations, the Research and Development division is a strategic focus for us and we decided to strengthen it over the years. Today this division is composed of engineers dedicated to research new products and of a partnership with the CNRS and the Lyon INSA . Since 1990, we have made 6 thesis with INSA of lyon as you see hereafter.

Our engineers and laboratory technicians try to:
- Develop formulations customized to specifications
- Improve an existing formulation
- Find an alternative to a market formulation,
- Working in parallel on internal projects such as biomaterials; because research is also a projection of the future and anticipate market demands.

By varying the composition of elastomers, Axson Mérylithe develops formulations which have excellent mechanical and chemical properties in terms of :
- Resistance to solvents, fluids and hydrolysis
- Resistance to abrasion, tears and cuts
- Compression Set, Resilience,
- Excellent resistance to high temperatures and UV
- Barriers and acoustic properties ...

Once we reached the formulation, our engineers works under the same conditions of manufacture and production of our customer ; in order to be sure that the customer start its production as quickly as possible without specific investments.

In order to better control our process and our development, our researchers have a R&D laboratory equipped with performance analysis devices and a machine park consisting of low and high pressure machinery and presses:
- low and high pressure casting machines ( 8 et 200 bars) and Presses for the validation of the formulations and to work under the same conditions of process as the customer.
- DSC (differential scanning Calorimeter) to determine the range of use of the materials and to characterize the behavior of the material as a function of temperature..
- SEC (size exclusion chromatography) to determine molecular weights of polymers and to prove the absence of residual free isocyanate in our free prepolymer .
- Spectrometer NIRTF (near Infra Red) to follow on-line the prepolymers.
- Static viscosimeter to check and measure the viscosity of the products (from 10 to 100 000 mPa / sec)
- Chemical Dosing

6 Thesis with INSA since 1990 :

2010 : « Fatigue thermomécanique des élastomères polyuréthane : caractérisation expérimentale de l'évolution des microstructures et modélisation des échanges thermiques » by Pascal Pichon

2006: « Elaboration de formulations Polyuréthane / Nanocharges minérales : influence des charges sur la synthèse des prépolymères et sur les propriétés des matériaux finaux » bySégolène Hibon.

2000 :  « Chimie des isocyanates et des cyanates pour l'amélioration de la tenue thermique de revêtements souples » by Stephanie Lambour .

1996: « Amélioration de la tenue thermique des polyuréthanes à l'aide de nouvelles formulations Polyurée, Polyurethane-uree ou Polyuréthane »  by Nathalie Samson

1993: « Propriétés de surface des polyuréthanes. Contrôle de l‘énergie de surface par introduction de tensio-actifs » by Laurent Girodet .

1990: « Synthèse et caractérisation de polyuréthanes à séquences polybutadiène hydrogène »  by Léon Cuve.

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