Chopinez
Fabrice Chopinez, Evreux FR
Patent application number | Description | Published |
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20090246533 | COEXTRUSION BINDER OF CO-GRAFTED PE AND PP DILUTED IN A NON-GRAFTED PE - The invention concerns a coextrusion binder comprising a mixture of at least one ethylene homo- or copolymer (A1) of density ranging between 0.940 and 0.980 g/cm | 10-01-2009 |
20090297857 | ADHESIVE COMPOSITION BASED ON ETHYLENE COPOLYMERS, USEFUL FOR EXTRUSION-COATING AND EXTRUSION-LAMINATION ON A VARIETY OF SUPPORTS - 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 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), poly-acrylonitrile (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). | 12-03-2009 |
20100266858 | COEXTRUSION BINDERS ON A RENEWABLE/BIODEGRADABLE BASIS - 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 <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. | 10-21-2010 |
20140255713 | COMPOSITION CONTAINING POLYPROPYLENE AND/OR A PROPYLENE COPOLYMER OBTAINED FROM RENEWABLE MATERIALS, AND USES THEREOF - A method for manufacturing a propylene polymer, including: a) fermenting and optionally purifying first renewable materials to produce an alcohol or an alcohol mixture, the alcohol or alcohol mixture including at least isopropanol and/or at least a mixture of ethanol and 1-butanol; b) dehydrating the resulting alcohol or the alcohol mixture to produce an alkene or alkene mixture in a first series of reactors, the alkene or alkene mixture containing at least propylene; c) polymerizing the propylene in a second reactor, optionally in the presence of a comonomer, so as to produce a propylene polymer; d) isolating the propylene polymer obtained in step c); and e) grafting the propylene polymer obtained from step d). A grafted propylene polymer capable of being obtained by the method, to the compositions containing the polymer, as well as to the uses of the polymer. | 09-11-2014 |
Fabrice Chopinez, Bala Cynwyd, PA US
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20110152454 | PRODUCTION OF GRAFTED POLYETHYLENE FROM RENEW ABLE MATERIALS, THE OBTAINED POLYETHYLENE AND USES THEREOF - The invention relates to a method for production of grafted polyethylene comprising the following steps: a) fermentation of primary renewable material with optional purification to give at least one alcohol chosen from ethanol or a mixture of alcohols comprising ethanol; b) dehydration of the alcohol obtained to give in a first reactor at least one alkene selected from ethylene and mixtures of alkenes containing ethylene and optional purification of the alkene to give ethylene; c) polymerization, in a second reactor, of the ethylene to give polyethylene; d) isolation of the polyethylene obtained in step c); e) grafting the polyethylene with at least one grafting monomer selected from the unsaturated carboxylic acids or theifunctional derivatives thereof, the unsaturated dicarboxylic acids having 4-10 carbon atoms and the functional derivatives thereof being C | 06-23-2011 |
Fabrice R. Chopinez, Bala Cynwyd, PA US
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20110287204 | MANUFACTURE OF ETHYLENE/CARBOXYLIC ACID VINYL ESTER COPOLYMERS FROM RENEWABLE MATERIALS, COPOLYMERS OBTAINED AND USES - The present application relates to a process for the manufacture of copolymers of ethylene and of at least one vinyl ester, comprising the following steps: a) fermentation of renewable starting materials so as to produce at least one alcohol comprising ethanol; b) dehydration of the alcohol obtained so as to produce at least one alkene comprising ethylene and, optionally, purification of the alkene so as to obtain ethylene, c) copolymerization of the ethylene with at least one vinyl ester, d) isolation of the copolymer obtained. The application also relates to the copolymers of ethylene and of at least one vinyl ester in which the ethylene is at least partly obtained from renewable starting materials, and to uses thereof. | 11-24-2011 |
20140030495 | MULTI-LAYER BREATHABLE FILMS - The invention relates to a breathable multi-layer film with at least one layer containing a breathable resin, such as block copolymers with polyether blocks, and one layer containing a soft (Tg<0° C., such as a polyolefins. The film is selectively permeable to water vapor but not permeable to water. The film can be bonded to a woven or non-woven substrate to produce a breathable fabric. | 01-30-2014 |
Fabrice R. Chopinez, Bala Cynwyd Circle, PA US
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20120021156 | MANUFACTURE OF ETHYLENE/CARBOXYLIC ACID COPOLYMERS FROM RENEWABLE MATERIALS, COPOLYMERS OBTAINED AND USES - The present application relates to a process for the manufacture of copolymers of ethylene and of at least one vinyl ester, comprising the following steps: a) fermentation of renewable starting materials so as to produce at least one alcohol comprising ethanol; b) dehydration of the alcohol obtained so as to produce at least one alkene comprising ethylene and, optionally, purification of the alkene so as to obtain ethylene, c) copolymerization of the ethylene with at least one vinyl ester, d) isolation of the copolymer obtained. The application also relates to the copolymers of ethylene and of at least one vinyl ester in which the ethylene is at least partly obtained from renewable starting materials, and to uses thereof. | 01-26-2012 |
20140005323 | MANUFACTURE OF ETHYLENE/CARBOXYLIC ACID COPOLYMERS FROM RENEWABLE MATERIALS, COPOLYMERS OBTAINED AND USES | 01-02-2014 |