Arkema France

Atochem

Institut De Soudure

Institut De Soudre

Université Paul Sabatier (Toulouse III)

Universite Dé Lorraine

Teknimed

Mvc Componentes Plasticos Ltda

Le Pole De Plasturgie De L'est

Michel Glotin

Pierre Gerard

Gilles Hochstetter

Jean-Pierre Cauchois

Aurélien Philippe

Philippe Klein

Gilles Francois

Sébastien Taillemite

Jean-Jacques Labaig

Camille Perrin

Thierry Briffaud

Pierre Nogues

Cyril Sender

Michel Fenie

Bernard Guerin

Guillaume R Cledat

Roland Parsy

Maliha Khusrawy

Colette Lacabanne

Virginia Bozsak

Marius Mihaluta

Henri Perrin

Claire Quinten

Patrick Abadie

Georges Parmeland

Qing Lin

Jean-Jacques Couchoud

Michel Ferriol

Renan Holzmann

Gilmar Da Costa Lima

Marianne Cochez

Aurelien Philippe

Alain Bernes

The present invention relates to an article that comprising recycled thermoplastic polymeric composite material. The thermoplastic polymeric composite material is obtained by in situ polymerization of a thermoplastic resin with a fibrous material. More particularly the present invention relates to a polymeric composite material obtained by in-situ polymerization of a thermoplastic (meth)acrylic resin and a fibrous material containing long fibers and its use, a process for making such a composite material and manufactured mechanical or structured part or article comprising this polymeric composite material, especially wind turbine parts including welded parts and sports equipment.

Composite material via in-situ polymerization of thermoplastic (meth)acrylic resins and its use

A method for welding at least two parts including a thermoplastic material and having respective surfaces to be welded, including: inserting an insert between the surfaces to be welded of the two parts; generating heat via the insert; wherein the insert moves in relation to the parts to be welded in a welding direction. Also, an installation adapted for implementation of the method.

Method for welding parts made of thermoplastic material

The present invention relates to a method for evaluating an assembly by welding of parts made of thermoplastic materials, to a test piece and its associated uses, to an installation for implementing this method and to the associated welding system.

Method for evaluating an assembly by welding of parts based on thermoplastic materials

The present invention relates to a multilayer composition comprising a surface layer comprising a thermoplastic polymer A and a substrate layer comprising a polymeric composite material based thermoplastic (meth)acrylic matrix and a fibrous material as reinforcement. The multilayer composition is suitable for mechanical or structured parts or articles with a decorative surface aspect The present invention concerns also a manufacturing process for multilayer mechanical or structured parts or articles and three-dimensional mechanical or structured parts.

Multilayer composite composition, its manufacturing process, and article obtained thereof

The present invention relates to an impregnation process for a fibrous substrate, a liquid composition for implementing this process and the obtained impregnated fibrous substrate. The impregnated fibrous substrate is suitable for manufacturing mechanical or structured parts or articles. In particular the present invention deals with an industrial process for impregnating a fibrous substrate or long fibers with a viscous liquid composition containing mainly methacrylic or acrylic components. This viscous composition is called hereafter liquid (meth) acrylic syrup. The invention concerns also a fibrous substrate pre-impregnated with said syrup which is useful for manufacturing mechanical or structured parts or articles. More particular the impregnation of fibrous substrate with the (meth) acrylic syrup is achieved in a closed mould. The present invention concerns also manufacturing process for manufacturing mechanical or structured parts or articles and three-dimensional mechanical or structured parts obtained by this process.

Impregnation process for a fibrous substrate, a liquid (meth) acrylic syrup for the impregnation process, its method of polymerization and structured article obtained thereof

A method for welding at least two parts including a thermoplastic material and having respective surfaces to be welded, including: inserting an insert between the surfaces to be welded of the two parts; generating heat via the insert; wherein the insert moves in relation to the parts to be welded in a welding direction. Also, an installation adapted for implementation of this method.

The invention relates to a process () for manufacturing an object () made of thermoplastic polymer composite from at least two parts () made of thermoplastic polymer composite, said thermoplastic polymer composite comprising a fibrous reinforcement and a thermoplastic polymer matrix, said process comprising the steps of: arranging () the two parts () made of thermoplastic polymer composite adjacently or overlapping at an assembly interface zone (), and heating () to melt the thermoplastic polymer matrix at said assembly interface zone (), so as to form an object () made of thermoplastic polymer composite comprising a welded interface ().

Process for manufacturing thermoplastic polymer composite parts, and object obtained by said process

The present invention relates to an impregnation process for a functional fibrous substrate, a liquid composition for implementing this process and the obtained impregnated fibrous substrate. The impregnated functional fibrous substrate is suitable for manufacturing mechanical or structured parts or articles. In particular the present invention deals with an industrial process for impregnating a functional fibrous substrate or long functional fibers with a viscous liquid composition containing mainly monomer components. This viscous composition is called hereafter liquid monomer syrup. The invention concerns also a functional fibrous substrate pre-impregnated with said syrup which is useful for manufacturing mechanical or structured parts or articles. More particular the impregnation of functional fibrous substrate with the monomer syrup is achieved in a mould. The present invention concerns also manufacturing process for manufacturing mechanical or structured parts or articles and three-dimensional mechanical or structured parts obtained by this process.

Impregnation process for a functional fibrous substrate, a liquid monomer syrup for the impregnation process, its method of polymerization and structured article obtained thereof

The present invention relates to a composite material obtained by in situ polymerization of a thermoplastic resin with a fibrous material. More particularly the present invention relates to a polymeric composite material obtained by in-situ polymerization of a thermoplastic (meth)acrylic resin and a fibrous material containing long fibers and its use, a process for making such a composite material and manufactured mechanical or structured part or article comprising this polymeric composite material, especially wind turbine parts including welded parts.

The present invention relates to a composite material obtained by in situ polymerization of a thermoplastic resin with a fibrous material. More particularly the present invention relates to a polymeric composite material obtained by in-situ polymerization of a thermoplastic (meth)acrylic resin and a fibrous material containing long fibers and its use, a process for making such a composite material and manufactured mechanical or structured part or article comprising this polymeric composite material.

The present invention relates to an impregnation process for a fibrous substrate, a liquid composition for implementing this process and the obtained impregnated fibrous substrate. The impregnated fibrous substrate is suitable for manufacturing mechanical or structured parts or articles. In particular the present invention deals with an industrial process for impregnating a fibrous substrate or long fibers with a viscous liquid composition containing mainly methacrylic, vinylic or acrylic components either in form of monomers or polymers. This viscous composition is called hereafter liquid monomer syrup. The invention concerns also a fibrous substrate pre-impregnated with said syrup which is useful for manufacturing mechanical or structured parts or articles. More particular the impregnation of fibrous substrate with the monomer syrup is achieved in a mould. The present invention concerns also manufacturing process for manufacturing mechanical or structured parts or articles and three-dimensional mechanical or structured parts obtained by this process.

Impregnation process for a fibrous substrate, a liquid monomer syrup for the impregnation process, its method of polymerization and structured article obtained thereof

A method for manufacturing a composite part including a fibrous reinforcement and a thermoplastic polymer matrix, which includes the steps of i) depositing the fibrous reinforcement in a two-part mold having a seal compressible by evacuating said mold having no vent, ii) filling the evacuated mold by injecting, in the molten state, a two-component reactive system made of a reactive thermoplastic prepolymer, the injection being carried out using a device having two distinct compartments for each one of the two reactive components mixed in a static mixer, followed by a compression and compaction of the content of the mold, and iii) removing the part from the mold, without any finishing treatment. Further, a device for implementing said method, to the resulting part and to the use of said method in an 'in-mold' assembly method.

Method for manufacturing a composite thermoplastic part by vacuum injection-compression-molding, device for the implementation thereof and resulting part

The present invention relates to an impregnation process for a fibrous substrate, a liquid composition for implementing this process and the obtained impregnated fibrous substrate. The impregnated fibrous substrate is suitable for manufacturing mechanical or structured parts or articles. In particular the present invention deals with an industrial process for impregnating a fibrous substrate or long fibers with a viscous liquid composition containing mainly methacrylic or acrylic components. This viscous composition is called hereafter liquid (meth) acrylic syrup. The invention concerns also a fibrous substrate pre-impregnated with said syrup which is useful for manufacturing mechanical or structured parts or articles. More particular the impregnation of fibrous substrate with the (meth) acrylic syrup is achieved in a closed mold. The present invention concerns also manufacturing process for manufacturing mechanical or structured parts or articles and three-dimensional mechanical or structured parts obtained by this process.

The present invention relates to a liquid (meth)acrylic syrup for impregnating a fibrous substrate. The present invention relates in particular to a viscous liquid syrup mainly containing methacrylic or acrylic components. The invention also relates to a process for manufacturing such a syrup. The invention also relates to a process for impregnating a fibrous substrate or long fibers with said viscous liquid syrup. The invention also relates to a fibrous substrate preimpregnated with said syrup, which is useful for manufacturing mechanical or structured parts or products. The present invention also relates to a manufacturing process for manufacturing mechanical or structured parts or articles and to three-dimensional mechanical or structured parts obtained by this process. The invention applies to the preparation of mechanical parts or structural elements made of fire-resistant thermoplastic composite material.

Liquid (meth)acrylic syrup for impregnating a fibrous substrate, method of impregnating a fibrous substrate, composite material obtained following polymerisation of the pre-impregnated substrate

A method for producing a composite material, including an assembly of one or a plurality of synthetic reinforcement fibers, impregnated with at least one thermoplastic polymer having a vitreous transition temperature Tg greater than or equal to 80&#xb0; C. including: i) a step of impregnating said assembly with a precursor composition in the molten state and including: a) at least one prepolymer P(X)n of said thermoplastic polymer, including a molecular chain P having, at the ends n thereof, identical reactive functions X, said prepolymer having a semiaromatic and/or semi-cycloaliphatic structure, b) at least one chain extender including two identical functions Y, which are reactive with at least one of said functions X; ii) a step of polymerization by mass (poly)addition, in the molten state, of said prepolymer with said chain extender, with said thermoplastic polymer of the thermoplastic matrix being the result of said polymerization by mass polyaddition.

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Saint-Cloud, France

Michel Glotin