Composite materials on the basis of renewable resources

C - Chemistry – Metallurgy – 08 – J

Patent

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Details

C08J 5/04 (2006.01) C08L 63/08 (2006.01) C08L 67/08 (2006.01)

Patent

CA 2339106

The invention relates to composite materials on the basis of renewable resources, using reinforcing materials on the basis of natural fibres. Duro- plastics on the basis of oleochemically cross-linkable systems are described as matrix material. These contain as principal ingredients derivatives of oleochemical fatty substances, such as epoxidized fatty substances, fatty substances modified by carboxylic acid or carboxylic anhydride as well as (meth)acrylate-modified fatty substances and fatty substances containing amino groups. Synthetic comonomers and/or coreactants can possibly be added to said oleochemical duro-plastics. Using all conventional manufacturing technology, the above composites can be used to produce components for vehicle manufacture, aircraft manufacture, the building industry, window construction, the furniture industry, the electronics industry, sports equipment, toys, machines and apparatuses, the packaging industry, agriculture or security technology.

L'invention concerne des matériaux composites à base de matières premières renouvelables, dans lesquels sont utilisés des matériaux de renfort à base de fibres naturelles. Le matériau de matrice est constitué de thermodurcissables à base de systèmes oléochimiques réticulables qui contiennent principalement des dérivés de matières solides oléochimiques, par exemple des matières solides époxydées, des matières solides modifiées avec de l'acide carboxylique ou de l'anhydride d'acide carboxylique, ainsi que des matières solides modifiées avec du (méth)acrylate, et des matières solides renfermant des groupes amino. Des comonomères et/ou des agents de coréaction peuvent éventuellement être ajoutés à ces thermodurcissables oléochimiques. Toutes les techniques de production usuelles peuvent être utilisées pour former, à partir de ces matériaux composites, des pièces destinées à la construction automobile, la construction aéronautique, l'industrie du bâtiment, la construction de fenêtres, l'industrie du meuble, l'industrie électronique, aux appareils de sport, aux jouets, à la construction mécanique, la construction d'appareils, l'industrie des emballages, l'agriculture et aux techniques de sécurité.

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