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Microcapsules grafted on textile fibres

Référence

85259-01

Mots-clés

Microcapsules

Statut des brevets

French patent application FR0205988 filed on May 5, 2002 entitled “Fibres textiles greffées par des capsules composites”

Inventeurs

Yves FRERE
Louis DANICHER
Stéphane BERGER

Statut commercial

Exclusive or non-exclusive licenses and collaborative research

Laboratoire

Institut Charles Sadron a CNRS laboratory (UPR 22) in Strasbourg, France.

Description

TECHNICAL DESCRIPTION

The invention describes composite microcapsules chemically grafted on fibres to obtain new intelligent textiles.
These capsules are obtained by interfacial polycondensation. They are grafted by chemical bonds after having modified the membrane surface. The advantage is the strength of the bonds that resist any constraints that the textile can undergo.
Grafting can be implemented on natural, artificial, synthesised, woven or non-woven textile fibres.
If the microcapsules contain an active ingredient, the latter can trap certain molecules or can be liberated at different speeds depending on the nature and size of the capsule.

INDUSTRIAL APPLICATIONS

The main advantage of this invention is the strength of the synthesised bonds. The researchers have shown that the capsules attached to the textile can resist more than twenty washings while in existing techniques capsules disappear after five washings.
Applications include: medicine (controlled release of medications in plasters and dressings), textiles (temperature regulator, perfume, colour changes, protection against toxic chemical agents), industrial textiles (chemically protective overalls, colour changing textiles).

For further information, please contact us (Ref 85259-01)


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