Bourbigot

Serge Bourbigot, Villeneuve D'Ascq Cedex FR

Patent application number	Description	Published
20110034588	METHOD OF PREPARING A TRANSPARENT POLUMER MATERIAL COMPRISING A THERMOPLASTIC POLYCARBONATE AND MINDERAL NANOPARTICLES - A method of preparing a transparent polymer material includes mixing mineral nanoparticles selected from nanoparticles of alkaline-earth metal carbonates, alkaline-earth metal sulfates, metallic oxides, oxides of metalloids, and siloxanes, and a composition A including at least one thermoplastic polymer in the molten state selected from polycarbonate (PC), polystyrene (PS) and polymethyl methacrylate (PMMA) in order to obtain a master-batch, the mixture of step i) including at least 25% and at most 75% by weight of the mineral nanoparticles. The master-batch obtained in step i) is mixed with a composition B of a thermoplastic polycarbonate matrix (PCm) in the molten state, to obtain a transparent polymer material including at most 10% by weight of the mineral nanoparticles, preferably at most 5% by weight of the mineral nanoparticles.	02-10-2011

Serge Bourbigot, Villeneuve D' Ascq FR

Patent application number	Description	Published
20090291309	Material Containing Microcapsules, In Particular Phase-Changing Materials - The present invention relates to aminoplast-membrane single-core or multi-core microcapsules whose core is comprised of at least two organic and/or inorganic compounds. The invention also relates to methods of preparing said microcapsules.	11-26-2009
20100184894	POLYLACTIDE-BASED COMPOSITIONS - A polylactide-based polymer or copolymer (PLA) compositions with improved flame retardancy properties as obtained by conventional melt-blending of PLA polyester matrix (1) with both calcium sulfate (2) and organo-modified layered silicates (OMLS) (3). Combination of CaSO	07-22-2010

Serge Bourbigot, Villeneuve D'Ascq FR

Patent application number	Description	Published
20110281989	METHOD FOR PREPARING A TRANSPARENT POLYMER MATERIAL INCLUDING MINDERAL NANOPARTICLES WITH A SHAPE FACTOR STRICTLY HIGHER THAN 1.0 - The present invention provides a method of preparing a transparent polymer material, the method comprising steps i) and ii) in any order, the steps consisting in:	11-17-2011
20120276391	FIRE-RETARDANT POLYAMIDE CAST ITEM INCLUDING AN INTUMESCENT COATING - Fire-retardant polyamide cast items including an intumescent coating are described. The case items can have excellent fire-retardant properties and can include at least one fire-retardant system in the polyamide matrix. The items can also have an intumescent coating on at least one surface.	11-01-2012
20130123398	FLAME-PROOFED POLYMER COMPOSITIONS - The invention relates to a flame-proofed polymer composition that can be obtained from one or more α-olefin/vinyl acetate copolymers, having a vinyl acetate content of 40 to 90 wt %, relative to the total weight of the α-olefin/vinyl acetate copolymers, and from a synergistic flame-proofing material combination, containing, as component A, a phosphinic acid salt of the formula (I), where R	05-16-2013
20130338248	Polyurethane Flame Retardant Formulation - The invention relates to a formulation suitable to provide polyurethane, the formulation comprising	12-19-2013
20150072079	Protecting Substrates Against Damage By Fire - A process for protecting a metal, wood or plastics substrate exposed to fire risk from hydrocarbons, comprising coating the substrate with an intumescent composition comprising a polydimethylsiloxane (A) of degree of polymerisation at least 300 siloxane units, said polydimethylsiloxane containing reactive hydroxyl or hydrolysable groups bonded to silicon, and a crosslinking agent (B) containing hydrolysable groups reactive with the reactive groups of (A) in the presence of moisture, expandable graphite and a titanate catalyst for the reaction between the reactive hydroxyl or hydrolysable groups of polydimethylsiloxane (A) and the crosslinking agent (B).	03-12-2015