Elf Atochem S.a.

Atofina

Arkema France

Sk Global Chemical Co., Ltd.

Compagnie Generale Des Etablissements Michelin

Arkema Inc.

Sk Geo Centric Co., Ltd.

Vinci Construction

Alain Bouilloux

Christophe Lacroix

Laurent Teze

Thibaut Montanari

Patrice Perret

Yves Germain

Sebastien Quinebeche

Jean-Claude Jammet

Patrick Alex

Stephane Girois

Michel Degrand

Regis Jacquemet

Bruno Echalier

Dominique Basset

Laurent Fischer

Bruno Schlund

Franck Vandekerckhove

Philippe Bussi

Marius Hert

Alexander Korzhenko

Denis Bertin

Takatoshi Kuratsuji

Thomas Fine

Patrice Breant

Jerome Maillet

Benoit Schnell

Clio Cocquet

Benoit Ernst

Claude Granel

Denis Melot

Benoît Schnell

Corentin Pavageau

Claire Michalowicz

Frédéric Delfosse

Thierry Vivier

Guillaume Jacques

Michael Tran

Betty Laurent

Yves Le Du

Jean-Marc Le Blevec

Sébastien Quinebeche

Catherine Beuzelin

Mathieu Bodiguel

Jean-Marc Andre

Beatrice Ladouce

Christelle Guibouin

Sabine Gazeau

Marie-Pierre Corbic Bellinger

Paul Coupillaud

Yves Trolez

Jacques-Antoine Decamps

Provided herein is a copolymer of ethylene and acrylate(s) having a melt flow index (MFI) greater than or equal to 50 g/10 minutes, obtained by free-radical copolymerisation under high pressure carried out in a tubular reactor, and methods of using the same. Also provided herein is a thermoplastic composition, particularly intended to be extruded or injection moulded, having one or more copolymers of ethylene and acrylate(s) at a content ranging from 0.1 to 20 wt. %, and one or more thermoplastic polymers.

Use of a copolymer of ethylene and of acrylate(s) prepared in a tubular reactor for modifying the melt rheology of a thermoplastic composition

An adhesive composition of at least one ethylene polymer or copolymer, wherein at least one first polymer or copolymer including the unsaturated carboxylic acid ester type comonomer is copolymerized in a continuous high-pressure tubular reactor, while a second polymer or copolymer including the functional comonomer is copolymerized by either autoclave or tubular continuous high-pressure radical means; the first and second polymer or copolymer possibly being of one and the same polymer/copolymer. Also, a multilayer structure that incorporates the adhesive composition and a particular process for obtaining this composition.

Adhesive composition based on ethylene copolymers obtained by tube copolymerisation, that can be used for extrusion-coating and extrusion-lamination

A rubber composition is based on at least: a copolymer A, with a content of greater than or equal to 50 phr, said copolymer A being a copolymer based on at least one ethylene monomer and on at least one vinyl acetate monomer a reinforcing inorganic filler as agent for coupling between said copolymer A and said reinforcing inorganic filler, a copolymer B different from said copolymer A, said copolymer B being a copolymer based on at least one alpha-olefin monomer and on at least one functional monomer Y; and a peroxide crosslinking system. This composition is especially intended for the manufacture of semi-finished products for tires or for the manufacture of tires.

Reinforced rubber composition

A method for manufacturing a thermoplastic composition including: a polyester resin (c); a mixture including a copolymer (a) of an &#x3b1;-olefin and of a monomer having an ethylenic unsaturation and an epoxy function, as well as a core-shell compound (b); characterized in that said method includes a first step of manufacture the mixture of (a) and (b) by extrusion at a temperature at which the copolymer (a) is in the molten state and at a maximum temperature of 60 to 180&#xb0; C.; a second step of manufacturing the thermoplastic composition by extrusion or by mixing the polyester resin (c) with the mixture of (a) and (b) produced in the first step.

Method for manufacturing a polyester composition having improved impact properties

A composition including polyhydroxyalkanoic acid (PHA), an elastomeric compound of core-shell type, and an olefinic copolymer including an ethylenic monomer bearing an epoxy function. The PHA composition exhibits improved impact strength.

Polyhydroalkanoate composition exhibiting improved impact resistance

The invention relates to a composition based on an impact-resistant thermoplastic polyamide resin, comprising, as a blend&#x2014;from 60 to 98 wt % of polyamide resin (A) and&#x2014;from 2 to 40 wt % of a blend of at least one graft copolymer with polyamide blocks (B) composed of a polyolefin backbone and at least one polyamide graft in which the grafts are attached to the backbone by the residues of an unsaturated monomer (X) having a functional group capable of reacting with an amine-terminated polyamide, the residues of the unsaturated monomer (X) being attached to the backbone by grafting or copolymerization via its double bond, and of a non-reactive ethylenic polymer (C) that is miscible with (B) and has a density of below 0.960 g/cm.

Impact-resistant composition based on a polyamide resin and on a blend of at least one graft copolymer with polyamide blocks and a low-density ethylene polymer

The invention relates to a polyamide-based thermoplastic composition comprising, by weight: It also relates to an impact modifier composition and to the process for the preparation of a thermoplastic composition according to the invention using such an impact modifier composition.

Polyamide thermoplastic compositions with improved impact strength properties

The present invention relates to thermoplastic polyesters, which comprise, by weight:

Thermoplastic polyester compositions having improved impact properties

The invention concerns thermoplastic polyesters (such as PET or PBT) comprising, by weight, the total being 100%: 60 to 99% of thermoplastic polyester; 1 to 40% of impact modifier comprising: (a) a core-shell copolymer (A), (b) an ethylene copolymer (B) selected among ethylene copolymers (B1) and an unsaturated carboxylic acid anhydride, ethylene copolymers (B2) and an unsaturated epoxy compound and mixtures thereof, (c) a copolymer (C) selected among ethylene copolymers (C1) and an alkyl (meth)acrylate, ethylene copolymers (C2) and (meth)acrylic acid optionally neutralised and mixtures thereof. The invention also concerns an impact modifying composition which can be added in thermoplastic polyesters to improve their shock-proof properties and comprising constituents (A), (B) and (C).

Thermoplastic polyesters with improved shock-proof properties and impact modifying composition

A composition comprising a thermoplastic polymer having incorporated therein a crosslinked phase derived from the reaction of:

Thermoplastic compositions comprising a crosslinked phase

Composition based on polypropylene on an ethylene/alkyl acrylate copolymer

Thermoplastic resins modified by copolymers based on heavy acrylates

Coextrusion binder composition and coextruded multilayer composite in which the said composition is employed as adhesive layer

The objective of the present invention lies in providing a resin composition which enables water vapor permeability to be controlled over a broad range while maintaining a high gas permeability, together with molded articles or packaging materials comprising said composition, in particular a packaging material for foodstuffs like fruit and vegetables. A thermoplastic resin composition which is characterized in that a polymer (A) containing polyether chains as structural units, polyethylene (B) of density as specified in JIS K6760 of less than 0.91 g/cm and a compatibilizing agent (C) are blended together in proportions by weight of A/B/C&equals;99.5 to 0.5/0.5 to 99.5/0 to 30 (where A&plus;B&plus;C&equals;100); and molded articles comprising said composition, in particular a packaging material for vegetables and fruit cultivation or foodstuffs storage.

Thermoplastic resin composition and molded articles

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Saint-leger De Rotes, France

Alain Bouilloux