Arkema France

Sk Global Chemical Co., Ltd.

Arkema Inc.

Damien Rauline

Fabrice Chopinez

Karine Loyen

Frederic Malet

Eric Gamache

Frédéric Malet

Alejandra Reyna-Valencia

Laure Berdin

Samuel Devisme

Patrice Robert

Jean-Laurent Pradel

Jerome Pascal

René-Paul Eustache

Johann Laffargue

Jeau-Laurent Pradel

Jérôme Pascal

Fabrice 40 Bis Rue De Pannette Chopinez

A transparent antistatic composition based on polymethyl methacrylate (PMMA), including: 55% to 99.9% by weight of PMMA, and 0.1% to 45% by weight of at least one polyamide (PA) block-containing and polyether (PE) block-containing copolymer (PEBA) comprising polyethylene glycol (PEG), with respect to the total composition weight, the copolymer includes in the range 50% to 80% by weight of PEG with respect to the total weight of copolymer.

Transparent and antistatic PMMA composition

A transparent antistatic composition based on polymethyl methacrylate (PMMA), including: 55% to 99.9% by weight of PMMA, and 0.1% to 45% by weight of at least one polyamide (PA) block-containing and polyether (PE) block-containing copolymer (PEBA) including polyethylene glycol (PEG), with respect to the total composition weight, said copolymer being characterized in that it includes in the range 50% to 80% by weight of PEG with respect to the total weight of copolymer.

The invention concerns an adhesive composition consisting of at least one ethylene polymer or copolymer, said composition comprising at least one unsaturated carboxylic acid ester comonomer, and at least one functional comonomer, useful in an extrusion-coating process for application on a support or in an extrusion-lamination process for bonding together several supports of different type or not, in a wide temperature range. The invention is characterized in that said composition has an unsaturated carboxylic acid ester content higher than 5 wt % and in that the functional comonomer consists of at least one reactive function in the form of an acid group, anhydride or epoxy, whereof the proportion is less than 1 wt % of the composition. Said composition has advantageous uses, in particular for bonding together substrates selected among aluminum, paper or cardboard, cellophane, films based of polyethylene, polypropylene, polyamide, polyester, polyvinyl chloride (PVC), polyvinylidene chloride (PVDC), polyacrylonitrile (PAN) resins, oriented or not, metal-coated or not, physically or chemically treated or not and films coated with a thin inorganic barrier layer, such as polyester (PET, SiOx or AlOx).

Adhesive composition based on ethylene copolymers, useful for extrusion-coating and extrusion-lamination on a variety of supports

The present invention relates to the use of a copolymer containing polyether blocks and polyamide blocks for manufacturing an inflatable catheter element, such as a catheter balloon, with improved bursting strength, in which said copolymer has the following characteristics: a number-average molecular mass of the PE blocks greater than 500 g/mol, and a number-average molecular mass of the PA blocks greater than 10,000 g/mol.

Use of PEBA having long blocks for the manufacture of all or part of a catheter

A copolymer containing polyether blocks and polyamide blocks for manufacturing an inflatable catheter element, such as a catheter balloon, with improved bursting strength, in which said copolymer has the following characteristics: number-average molecular mass of the PE blocks greater than 500 g/mol, and number-average molecular mass of the PA blocks greater than 10 000 g/mol.

The invention relates to coextrusion binders including renewable and/or biodegradable polymers having good adhesion properties: at least one renewable and/or biodegradable polymer (A) grafted with a functional monomer including at least one reactive function, the grafting ratio being &#x3c;1% in weight of the grafted polymer (A); at least one non-grafted renewable and/or biodegradable polymer (B) identical to (A) or compatible with (A) optionally a softener (C); and optionally a starch-based material (D). The invention also relates to multilayered structures including the binder of the present invention, in which the layers are preferably made of renewable and/or biodegradable compounds. The multilayered structures are advantageously useful in the field of food packaging.

Coextrusion binders on a renewable/biodegradable basis

A subject matter of the invention is a coextrusion tie, which comprises:

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Saint-Quentin-des-Isles, France

Damien Rauline