Shock buffer timepiece.

La présente invention concerne un dispositif antichoc (1) d’horlogerie comportant différents éléments dont au moins: une bague support (2), une pierre percée, une pierre contre-pivot (4), une pièce élastique (6) agencée pour exercer une force de rappel sur ladite pierre contre-pivot (4). Selon l’invention, au moins l’un des éléments du dispositif antichoc (1) comporte au moins un signe distinctif formé dans au moins une zone de marquage (12).

FLEXIBLE FILM BASED ON FLUORINATED POLYMER

The invention concerns a multilayer structure comprising: a PVDF-based film F1 affixed to a PET or PEN sheet; or a PVDF-based film F1 bonded to a PET or PEN sheet which is itself affixed to a PVDF-based film F2. The F1 and/or F2 films comprising (starting from the PET or PEN sheet): optionally a layer of composition B comprising 5 to 40 parts of at least one PVDF, 60 to 95 parts of at least one PMMA and 0 to 5 parts of at least one UV absorber, the total making 100 parts; a layer of composition A, comprising 50 to 100 parts of at least one PVDF, 0 to 50 parts of at least one PMMA, 0 to 30 parts of at least one mineral filler and 0 to 3 parts of at least one dispersant, the total making 100 parts; optionally a layer of composition C comprising 80 to 100 parts of at least one PVDF, 0 to 20 parts of at least one PMMA, 0 to 30 parts of at least one mineral filler and 0 to 3 parts of at least one dispersant, the total making 100 parts; such that an adhesive layer is interposed between the PET ...

Treble hook

COMPOSITION OF POLY-ARYLENE ETHER KETONE KETONE POWDERS SUITABLE FOR LASER SINTERING

The present invention relates to a composition comprising at least one poly(arylene ether ketone) powder suitable for laser sintering and also to the process which makes it possible to obtain it, minimizing the amount by weight of remaining non-sintered powder after production of the part by sintering. 1. A composition comprising a PEKK powder , the tapped density of which is less than 340 kg/m , limit included , measured according to ISO 1068-1975 (F) , and the flowability of which exhibits a passage time in a 12 mm funnel of less than 50 s , limit included , or a passage time in a 17 mm funnel of less than 30 s.2. The composition as claimed in claim 1 , wherein the PEKK exhibits a percentage by weight of terephthalic unit with respect to the sum of the terephthalic and isophthalic units of between 55% and 85%.3. The composition as claimed in claim 1 , comprising claim 1 , in addition to the PEKK powder claim 1 , a PEK claim 1 , PEEKEK claim 1 , PEEK or PEKEKK powder claim 1 , the PEKK powder representing more than 50% by weight claim 1 , limit included.4. The composition as claimed in claim 1 , additionally comprising a filler.5. The composition as claimed in claim 1 , additionally comprising at least one additive.6. A heat treatment process for preparing a PEKK powder the tapped density of which is less than 340 kg/m claim 1 , limit included claim 1 , measured according to ISO 1068-1975 (F) claim 1 , and the flowability of which exhibits a passage time in a 12 mm funnel of less than 50 s claim 1 , limit included claim 1 , or a passage time in a 17 mm funnel of less than 30 s claim 1 , the process comprising the following stages:arranging a PEKK powder in a ventilated chamber in a static or dynamic device;{'sup': '3', 'heating the PEKK powder at a temperature between T−10° C. and T+10° C., where T=3.75*A+37.5, expressed in ° C., A representing the percentage by weight of terephthalic unit with respect to the sum of the terephthalic and isophthalic units and is ...

METHOD OF GRINDING POLY(ARYL ETHER KETONES)

The present invention relates to an improved method of grinding polyaryletherketones, providing very good yields and the production of powders of polyaryletherketones with an average diameter below 100 μm having a narrow size distribution with few fine particles (Dv10>15 μm). 18.-. (canceled)9. A method of obtaining a powder of a polyaryletherketone , comprising carrying out grinding of a polyaryletherketone of apparent density below 0.9 carried out in a temperature range between 0° C. and the glass transition temperature of the polyaryletherketone as measured by DSC , whereby the powder obtained has a particle size distribution (diameters by volume) of d10>15 μm , 50d50<70 μm , 120 Подробнее

Inhibitors of fusion between viral and cell membranes as well as compositions and methods of using them

The present application relates to an inhibitor of fusion between a viral membrane from an enveloped virus and a cell membrane, where the viral membrane comprises a fusion mediating protein including a C-terminal peptide. The inhibitor comprises the C-terminal peptide of the fusion mediating protein from an enveloped virus and tocopherol or a derivative or pharmaceutically acceptable salt thereof attached to the C-terminal peptide. Also disclosed is a pharmaceutical composition including the inhibitor as well as methods of inhibiting viral fusion, blocking viral spread, and preventing or treating viral infection, with the inhibitor or pharmaceutical composition.

THERMOPLASTIC POWDER COMPOSITION AND THREE-DIMENSIONAL OBJECTS MANUFACTURED BY SINTERING SUCH A COMPOSITION

The present invention relates to a thermoplastic powder composition with D50 lower than 100 μm, including: at least one block copolymer having a inciting temperature lower than 180° C.; 15 to 50 wt % of at least one powdery filler having Mohs hardness lower than 6 and D50 lower than 20 μm; and 0.1 to 5% of a powdery flow agent with D50 lower than 20 μm, relative to the total weight of the composition. The present invention relates in particular to the use of said composition in methods for agglomerating powder, layer by layer, by melting or sintering, in order to manufacture flexible three-dimensional objects. 1. Thermoplastic powder composition having a D50 of less than 100 μm , comprising:at least one block copolymer having a melting temperature below 180° C.;from 15 to 50% by weight of at least one pulverulent filler having a Mohs hardness of less than 6 and having a D50 of less than 20 μm; andfrom 0.1 to 5% of a pulverulent flow agent having a D50 of less than 20 μm;out of the total weight of the composition.2. Composition according to claim 2 , in which said at least one block copolymer comprises at least one block chosen from: polyether blocks claim 2 , polyester blocks claim 2 , polyamide blocks claim 2 , polyurethane blocks claim 2 , and mixtures thereof.3. Composition according to claim 1 , in which said at least one copolymer comprises a copolymer having polyamide blocks and polyether blocks.4. Composition according to claim 1 , in which the flow agent is chosen from: silicas claim 1 , hydrated silicas claim 1 , amorphous alumina claim 1 , vitreous silicas claim 1 , vitreous phosphates claim 1 , vitreous borates claim 1 , vitreous oxides claim 1 , titanium dioxide claim 1 , talc claim 1 , mica claim 1 , fumed silicas claim 1 , pyrogenic silicas claim 1 , kaolin claim 1 , attapulgite claim 1 , calcium silicates claim 1 , alumina and magnesium silicates.5. Composition according to claim 1 , in which said at least one pulverulent filler is chosen from: ...

METHOD FOR PREPARING A RECYCLABLE POLYAMIDE POWDER

The present invention relates to a method for preparing a recyclable polyimide powder, said method including the following consecutive steps: a) a step of adding 0.01 to 5 wt % of at least one antioxidant in powder form to a mixture including 20 to 95 wt % of polyamide powder and 5 to 80 wt % of liquid, relative to the weight of said mixture, said polyamide powder having a pH in the range from 3 to 8 and a yellowness index of less than 4, measured according to standard ASTM E 313-05, D1925, said liquid being non-solvent for polyamide at a temperature between 5° C. and the boiling temperature Tof said liquid; b) a step of homogenising the mixture obtained in step a); c) a step of recovering powder isolated from the liquid. 1. A process for the preparation of a recyclable polyamide-based powder , said process comprising the following successive stages:a) a stage of addition of from 0.01 to 5% by weight of at least one antioxidant in the pulverulent form to a mixture comprising from 20 to 95% by weight of polyamide-based powder and from 5 to 80% by weight of liquid, with regard to the weight of said mixture, said polyamide-based powder of the mixture having a pH within the range extending from 3 to 8 and a yellowness index of less than 4, measured according to standard ASTM E 313-05, D1925, said liquid being a nonsolvent for the polyamide at a temperature of between 5° C. and the boiling point B.p. of said liquid;b) a stage of homogenization of the mixture obtained in stage a);c) a stage of recovery of powder isolated from the liquid.2. The process as claimed in claim 1 , in which the recyclable powder has a mean diameter by volume within the range extending from 5 to 150 μm.3. The process as claimed in claim 1 , in which the addition stage a) is carried out at a temperature within the range extending from 15 to 105° C. claim 1 , preferably from 50 to 90° C.4. The process as claimed in claim 1 , in which said at least one antioxidant is chosen from phenolic ...

Method for the surface crosslinking of polymer particles

The invention concerns a method for the surface crosslinking of a polymer, in particle form, having one or a plurality of labile hydrogen functions, comprising a step of implementing a crosslinking agent comprising at least two functions likely to react with the labile hydrogen functions of the polymer, the crosslinking method being carried out at a temperature lower than the melting point of the polymer. The invention also concerns a powder particle and the uses of same.

Fine powder of biosourced aliphatic polyester and production method thereof

The invention relates to a method for the production of biosourced aliphatic polyester powder having a volume median diameter of less than 30 μm, comprising: a step consisting in supplying an aliphatic polyester having an inherent viscosity of less than 0.5 dl/g; and a step consisting in grinding the polyester, so as to obtain a polyester powder having a volume median diameter of less than 30 μm. The invention also relates to a powder in which the particles have a volume median diameter of less than 30 μm and are impregnated with a compound selected from among polyols and/or carboxylic acids. The invention further relates to the use of the powder for the production of cosmetic, pharmaceutical and perfume products.

Method for preparing a recyclable polyamide powder

A method for preparing a recyclable polyamide powder, including the following consecutive steps: a) a step of adding 0.01 to 5 wt % of at least one antioxidant in powder form to a mixture including 20 to 95 wt % of polyamide powder and 5 to 80 wt % of liquid, relative to the weight of said mixture, the polyamide powder having a pH in the range from 3 to 8 and a yellowness index of less than 4, measured according to standard ASTM E 313-05, D1925, the liquid being a non-solvent for polyamide at a temperature between 5° C. and the boiling temperature T eb of said liquid; b) a step of homogenizing the mixture obtained in step a); c) a step of recovering powder isolated from the liquid.

Method of grinding poly(aryl ether ketones)

The present invention relates to an improved method of grinding polyaryletherketones, providing very good yields and the production of powders of polyaryletherketones with an average diameter below 100 μm having a narrow size distribution with few fine particles (Dv10>15 μm).

PULVERULENT COMPOSITION FOR THE MANUFACTURE OF ARTICLES WITH A METALLIC APPEARANCE, WHICH IS STABLE OVER TIME AND SHOWS IMPROVED RESISTANCE TO METAL MARKING

The present invention relates to a pulverulent composition for the manufacture of articles having a metallic appearance that is stable over time and an improved resistance to pencilling, said composition comprising: from 50 to 99.9% by weight of at least one thermoplastic polymer, from 0.1 to 5% by weight of at least one effect pigment, from 0 to 0.3% by weight of at least one metallic pigment relative to the total weight of the composition.

Method for increasing the recyclability of a polyamide used in sintering

The present invention relates to a method for increasing the recyclability of a polyamide in a sintering process, wherein at least 4000 ppm of at least one acid is incorporated in the polyamide, said acid being selected from: the acids of general formula HxPyOz in which x, y and z are integers selected in the range from 1 to 7, boric acid, the salts of these acids, their esters, their anhydrides and mixtures thereof.

Fishhook accessory

Fishhook accessory

Fluorinated polymer composition

The present invention concerns a fluorinated polymer composition, methods for producing same, and products that can be produced from said composition. More particularly, the invention concerns a thermoplastic polymer composition comprising the following components A, B and C: A—a polyvinylidene fluoride (PVDF) homopolymer comprising a fraction of ultra high molecular weight chains (UHMCF); B—a vinylidene fluoride (VDF) elastomeric copolymer and at least one other fluorinated comonomer copolymerisable with VDF, and C—a VDF homopolymer having a lower viscosity than component A.

(Ligno) Cellulose Material Board Coated with a Pmma and Pvdf-Based film

The invention relates to the use of a coextruded multilayer film for protecting a (lingo)cellulose material, wherein said multilayer film consists of the following arranged to each other layers: a surface layer (I) comprising PVDF and possibly PMMA in the form of the main components, an intermediate layer (II) comprising in the form of main components 0-60 PVDF parts, 40 to 100 PMMA parts, 0-25 acrylic elastomer parts, and 0-10 UV absorber parts, the totality thereof being equal to 100 parts, and an adhesive layer (III), which comprises a functional PMMA in the form of the main component and is arranged on the side of the (ligno)cellulose material.

POWDER COMPOSITION OF POLYARYLENE ETHER KETONE KETONES ALLOWING AN EXCELLENT CASTABILITY/COALESCENCE BALANCE SUITABLE FOR LASER SINTERING

A powder composition of polyarylene ether ketone ketones allowing an excellent castability/coalescence balance suitable for laser sintering. A composition including between 99.6 and 99.99% by weight of at least one powder of at least one polyarylene ether ketone and 0.01 to 0.4% by weight of a hydrophilic flow agent. This hydrophilic flow agent is characterized by an increase in mass (quantity of water absorbed) of more than 0.5% after 5 days of conditioning at a relative humidity of 95%. This increase in mass of the flow agent is determined by means of a Karl Fischer measurement after desorption of the water by a 5-minute treatment at 170° C. This composition is suitable for laser sintering. In particular, it gives the powder an excellent castability/coalescence balance.

Method for increasing the difference between the melting temperature and the crystallization temperature of a polyamide powder

The present invention relates to a method for reducing the crystallization temperature an the melting temperature of a polyamide powder resulting from the polymerization of at least one predominant monomer, in which the reduction in the crystallization temperature is greater than the reduction in the melting temperature, said method comprising a step of polymerization of said at least one predominant monomer with at least one different minor comonomer polymerized according to the same polymerization process as said at least one predominant monomer, said at least one minor comonomer being chosen from aminocarboxylic acids, diamine/diacid pairs, lactams and/or lactones, and said at least one minor comonomer representing from 0.1% to 20% by weight of the total blend of said monomers(s) and comonomer(s), preferably from 0.5% to 15% by weight of said total blend, preferably from 1% to 10% by weight of said total blend.

Weighted skirt for a soft fishing lure

RESIN CLOSED EYE ON A FISHING HOOK

A fishing hook is provided that can include a rod defining a line tie loop (having an aperture defined therein) and a resin bead sealing the line tie loop. Methods of forming such a fishing hook are also provided, which may involve applying a resin bead onto a line tie loop defined on a metal rod such that an aperture remains defined therein. 1. A fishing hook , comprising:a rod defining a line tie loop, wherein the line tie loop defines an aperture; anda resin bead sealing the line tie loop.2. The fishing hook as in claim 1 , wherein the rod is a metal rod.3. The fishing hook as in claim 1 , wherein the resin bead comprises a polymeric material.4. The fishing hook as in claim 1 , wherein the resin bead comprises a thermoplastic material.5. The fishing hook as in claim 1 , wherein the rod has an end defining an edge at least partially covered by the resin bead.6. The fishing hook as in claim 5 , wherein the edge of the end faces a shaft portion of the rod to define the line tie loop claim 5 , and wherein the resin bead at least partially covers the shaft portion facing the edge.7. The fishing hood as in claim 1 , wherein the metal rod has an end defining an edge that is encased by the resin bead.8. The fishing hook as in claim 7 , wherein the edge of the end faces a shaft portion of the rod to define the line tie loop claim 7 , and wherein the resin bead encases the shaft portion at the edge.9. The fishing hook as in claim 1 , wherein the aperture is completely surrounded by material.10. A method of making a fishing hook claim 1 , comprising:applying a resin bead onto a line tie loop defined on a metal rod such that an aperture remains defined therein.11. The method of claim 10 , wherein the rod is a metal rod.12. The method of claim 10 , wherein the resin bead comprises a polymeric material.13. The method of claim 10 , wherein the resin bead comprises a thermoplastic material.14. The method of claim 10 , wherein the rod has an end defining an edge at least ...

METHOD FOR INCREASING THE DIFFERENCE BETWEEN THE MELTING TEMPERATURE AND THE CRYSTALLIZATION TEMPERATURE OF A POLYAMIDE POWDER

The present invention relates to a method for reducing the crystallization temperature an the melting temperature of a polyamide powder resulting from the polymerization of at least one predominant monomer, in which the reduction in the crystallization temperature is greater than the reduction in the melting temperature, said method comprising a step of polymerization of said at least one predominant monomer with at least one different minor comonomer polymerized according to the same polymerization process as said at least one predominant monomer, said at least one minor comonomer being chosen from aminocarboxylic acids, diamine/diacid pairs, lactams and/or lactones, and said at least one minor comonomer representing from 0.1% to 20% by weight of the total blend of said monomers(s) and comonomer(s), preferably from 0.5% to 15% by weight of said total blend, preferably from 1% to 10% by weight of said total blend.

Powder composition of polyarylene ether ketone ketones allowing an excellent castability/coalescence balance suitable for laser sintering

A method for producing a surface coated with a coating having an improved coalescence, the method including: providing a composition comprising from 99.6% to 99.99% by weight of at least one powder of at least one polyarylene ether ketone and 0.01 to 0.4% by weight of a hydrophilic flow agent, the hydrophilic flow agent being hydrophilic silica; depositing the composition onto a surface forming a coated surface; and baking the coated surface to form a film on the surface.

Fishhook accessory

Fishhook ring accessory

METHOD OF GRINDING POLYARYLETHERKETONES

An improved method of grinding polyaryletherketones, providing very good yields and the production of powders of polyaryletherketones with an average diameter below 100 μm having a narrow size distribution with few fine particles (Dv10>15 μm). Method of grinding polyaryletherketones of apparent density below 0.9 carried out in a temperature range between 0° C. and the glass transition temperature of the polymer measured by DSC, in order to obtain powders having a particle size distribution (diameters by volume) of d10>15 μm, 50 Подробнее

Method for increasing the difference between the melting temperature and the crystallization temperature of a polyamide powder

A method for reducing the crystallization temperature and the melting temperature of a polyamide powder resulting from the polymerization of at least one predominant monomer, in which the reduction in the crystallization temperature is greater than the reduction in the melting temperature, the method including a step of polymerization of the at least one predominant monomer with at least one different minor comonomer polymerized according to the same polymerization process as the at least one predominant monomer, the at least one minor comonomer being chosen from aminocarboxylic acids, diamine/diacid pairs, lactams and/or lactones, and the at least one minor comonomer representing from 0.1% to 20% by weight of the total blend of the monomers(s) and comonomer(s), preferably from 0.5% to 15% by weight of the total blend, preferably from 1% to 10% by weight of the total blend.

Method for increasing the recyclability of a polyamide used in sintering

The present invention relates to a method for increasing the recyclability of a polyamide in a sintering process, wherein at least 4000 ppm of at least one acid is incorporated in the polyamide, said acid being selected from: the acids of general formula HxPyOz in which x, y and z are integers selected in the range from 1 to 7, boric acid, the salts of these acids, their esters, their anhydrides and mixtures thereof.

Fine powder of biosourced aliphatic polyester and production method thereof

The invention relates to a method for the production of biosourced aliphatic polyester powder having a volume median diameter of less than 30 μm, comprising: a step consisting in supplying an aliphatic polyester having an inherent viscosity of less than 0.5 dl/g; and a step consisting in grinding the polyester, so as to obtain a polyester powder having a volume median diameter of less than 30 μm. The invention also relates to a powder in which the particles have a volume median diameter of less than 30 μm and are impregnated with a compound selected from among polyols and/or carboxylic acids. The invention further relates to the use of the powder for the production of cosmetic, pharmaceutical and perfume products.

COMPOSITION OF POLY-ARYLENE ETHER KETONE KETONE POWDERS SUITABLE FOR LASER SINTERING

The present invention relates to a composition comprising at least one poly(arylene ether ketone) powder suitable for laser sintering and also to the process which makes it possible to obtain it, minimizing the amount by weight of remaining non-sintered powder after production of the part by sintering. 1. A composition comprising a PEKK powder , the tapped density of which is less than 400 kg/m , limit included , measured according to ISO 1068-1975 (F) , and the flowability of which exhibits a passage time in a 12 mm funnel of less than 50 s , limit included , or a passage time in a 17 mm funnel of less than 30 s.2. The composition as claimed in claim 1 , wherein the PEKK exhibits a percentage by weight of terephthalic unit with respect to the sum of the terephthalic and isophthalic units of between 55% and 85%.3. The composition as claimed in claim 1 , comprising claim 1 , in addition to the PEKK powder claim 1 , a PEK claim 1 , PEEKEK claim 1 , PEEK or PEKEKK powder claim 1 , the PEKK powder representing more than 50% by weight claim 1 , limit included.4. The composition as claimed in claim 1 , additionally comprising a filler.5. The composition as claimed in claim 1 , additionally comprising at least one additive.6. A heat treatment process for preparing a PEKK powder the tapped density of which is less than 400 kg/mlimit included claim 1 , measured according to ISO 1068-1975 (F) claim 1 , and the flowability of which exhibits a passage time in a 12 mm funnel of less than 50 s claim 1 , limit included claim 1 , or a passage time in a 17 mm funnel of less than 30 s claim 1 , the process comprising the following stages:arranging a PEKK powder in a ventilated chamber in a static or dynamic device;heating the PEKK powder at a temperature between T−10° C. and T+10° C., where T=3.75*A+37.5, expressed in ° C., A representing the percentage by weight of terephthalic unit with respect to the sum of the terephthalic and isophthalic units and is between 55% and 85%, for a ...

Fluorinated polymer composition

The present invention concerns a fluorinated polymer composition, methods for producing same, and products that can be produced from said composition. More particularly, the invention concerns a thermoplastic polymer composition comprising the following components A, B and C: A- a polyvinylidene fluoride (PVDF) homopolymer comprising a fraction of ultra high molecular weight chains (UHMCF); B- a vinylidene fluoride (VDF) elastomeric copolymer and at least one other fluorinated comonomer copolymerisable with VDF, and C- a VDF homopolymer having a lower viscosity than component A.

METHOD FOR THE SURFACE CROSSLINKING OF POLYMER PARTICLES

The invention concerns a method for the surface crosslinking of a polymer, in particle form, having one or a plurality of labile hydrogen functions, comprising a step of implementing a crosslinking agent comprising at least two functions likely to react with the labile hydrogen functions of the polymer, the crosslinking method being carried out at a temperature lower than the melting point of the polymer. The invention also concerns a powder particle and the uses of same. 1. A process for the surface crosslinking of a polymer , in particle form , having one or more labile-hydrogen functions , comprising a step using a crosslinking agent comprising at least two functions capable of reacting with the labile-hydrogen functions of the polymer , the crosslinking process being carried out at a temperature lower than the melting point of the polymer.2. The process as claimed in claim 1 , wherein the polymer is selected from the group consisting of polymers comprising one or more amide functions.3. The process as claimed in claim 2 , wherein the polymer is selected from the group consisting of polyamides and polyamide-imides and blends thereof.4. The process as claimed in claim 3 , wherein the polymer is selected from the group consisting of PA6 claim 3 , PA11 claim 3 , PA12 claim 3 , PA6/12 claim 3 , PA6.12 claim 3 , PA6.10 claim 3 , PA10.10 claim 3 , PA10.12 claim 3 , PA6.6 claim 3 , PA8 claim 3 , PA4 and PA4.6 claim 3 , and blends of these polymers.5. The process as claimed in claim 4 , wherein the polymer is PA12.6. The process as claimed in claim 1 , wherein the polymer particles have an average diameter which ranges from 1 to 200 μm.7. The process as claimed in claim 1 , wherein the crosslinking agent is selected from the group consisting of a) compounds bearing one or more of the following functions: isocyanate claim 1 , carbodiimide claim 1 , epoxy claim 1 , acyllactam claim 1 , oxazoline and its isomers claim 1 , oxazine and its isomers claim 1 , and b) PCI.8. The ...

Method for preparing a crosslinked fluorinated polymer composition

The invention relates to a method for producing composition, said method involving—mixing a polyvinylidene fluoride with a copolymer of vinylidene fluoride and a comonomer, and with a crosslinking agent; crosslinking the obtained mixture. The invention further relates to the composition obtained by said method as well as the use of the composition for producing various items, such as pipes.”

THERMOPLASTIC FLUORINATED POLYMER COMPOSITION FOR OFF-SHORE PIPES

The invention relates to a composition comprising: 1. A composition comprising:from 60 to 80% by weight of a polyvinylidene fluoride;from 10 to 30% by weight of a copolymer of vinylidene fluoride and of at lease one comonomer;a plasticizer present in the composition in a proportion by weight of 1 to 5%; andfrom 3 to 20% by weight of fibers.2. The composition as claimed in claim 1 , in which the plasticizer is chosen from dibutyl sebacate claim 1 , dioctyl phthalate claim 1 , N-(n-butyl)-sulfonamide claim 1 , polymeric polyesters and the combinations of these.3. The composition as claimed in claim 1 , in which the plasticizer is present in a proportion by weight of 1 claim 1 ,5 to 3.5%.4. The composition as claimed in claim 1 , in which the fibers are chosen from carbon fibers claim 1 , glass fibers claim 1 , carbon nanotubes claim 1 , carbon nanofibers claim 1 , synthetic fibers and the combinations of these.5. The composition as claimed in claim 1 , in which the fibers are crosslinked polyvinylidene fluoride fibers.6. The composition as claimed in claim 1 , in which the copolymer is present in a proportion by weight of 15 to 25%.7. The composition as claimed in claim 1 , in which the proportion by weight of (co)monomer(s) other than vinylidene fluoride in the copolymer is within the range from 15 to 24%.8. The composition as claimed in claim 1 , in which the fluorinated comonomer(s) are chosen from the group it fluoromonomers consisting of vinyl fluoride claim 1 , trifluoroethylene claim 1 , chlorotrifluoroethylene (CITE) claim 1 , 1 claim 1 ,2-difluoroethylene claim 1 , tetraftuoroethylene (TEE) claim 1 , hexafluoropropylene (HFP) claim 1 , perfluoro(alkyl vinyl) ethers claim 1 , perfluoro(methyl vinyl) ether (PMVE) claim 1 , perfluoro(ethyl vinyl) ether (PINE) perfluoropropyl vinyl ether (PPVE) claim 1 , perfluoro(1 claim 1 ,3-dioxole) claim 1 , perfluoro(2 claim 1 ,2-dimethyl-1 claim 1 ,3-dioxole) (PDD) claim 1 , the product of formula CF═CFOCFCF(CF)OCFCFX in ...

Inhibitors of fusion between viral and cell membranes as well as compositions and methods of using them

The present application relates to an inhibitor of fusion between a viral membrane from an enveloped virus and a cell membrane, where the viral membrane comprises a fusion mediating protein including a C-terminal peptide. The inhibitor comprises the C-terminal peptide of the fusion mediating protein from an enveloped virus and tocopherol or a derivative or pharmaceutically acceptable salt thereof attached to the C-terminal peptide. Also disclosed is a pharmaceutical composition including the inhibitor as well as methods of inhibiting viral fusion, blocking viral spread, and preventing or treating viral infection, with the inhibitor or pharmaceutical composition.

POWDER COMPOSITION OF POLYARYLENE ETHER KETONE KETONES ALLOWING AN EXCELLENT CASTABILITY/COALESCENCE BALANCE SUITABLE FOR LASER SINTERING

A powder composition of polyarylene ether ketone ketones allowing an excellent castability/coalescence balance suitable for laser sintering. The present invention concerns a composition comprising between 99.6 and 99.99% by weight of at least one powder of at least one polyarylene ether ketone and 0.01 to 0.4% by weight of a hydrophilic flow agent. This hydrophilic flow agent is characterised by an increase in mass (quantity of water absorbed) of more than 0.5% after 5 days of conditioning at a relative humidity of 95%. This increase in mass of the flow agent is determined by means of a Karl Fischer measurement after desorption of the water by a 5-minute treatment at 170° C. This composition is suitable for laser sintering. In particular, it gives the powder an excellent castability/coalescence balance. 1. A composition comprising from 99.6% to 99.99% by weight of at least one powder of at least one polyarylene ether ketone and 0.01% to 0.4% by weight of a hydrophilic flow agent , said hydrophilic flow agent being characterized by a gain in mass (amount of water absorbed) , after 5 days of conditioning at a relative humidity of 95% , of greater than 0.5% , said gain in mass of the flow agent being determined by Karl Fischer measurement after desorption of the water by a 15-minute treatment at 170° C.2. The composition as claimed in claim 1 , in which the hydrophilic flow agent is a hydrophilic silica.3. The composition as claimed in claim 1 , in which at least one polyarylene ether ketone is PEKK.4. The composition as claimed in claim 3 , in which the PEKK has a mass percentage of terephthalic units relative to the sum of the terephthalic and isophthalic units of between 55% and 85%.5. The composition as claimed in claim 3 , in which claim 3 , in addition to the PEKK claim 3 , a PEK claim 3 , PEEKEK claim 3 , PEEK claim 3 , PEKEKK or PEKK powder of different chemical structure is added claim 3 , the PEKK representing more than 50% by mass claim 3 , limit inclusive.6 ...

METHOD FOR INCREASING THE DIFFERENCE BETWEEN THE MELTING TEMPERATURE AND THE CRYSTALLIZATION TEMPERATURE OF A POLYAMIDE POWDER

The present invention relates to a method for reducing the crystallization temperature an the melting temperature of a polyamide powder resulting from the polymerization of at least one predominant monomer, in which the reduction in the crystallization temperature is greater than the reduction in the melting temperature, said method comprising a step of polymerization of said at least one predominant monomer with at least one different minor comonomer polymerized according to the same polymerization process as said at least one predominant monomer, said at least one minor comonomer being chosen from aminocarboxylic acids, diamine/diacid pairs, lactams and/or lactones, and said at least one minor comonomer representing from 0.1% to 20% by weight of the total blend of said monomers(s) and comonomer(s), preferably from 0.5% to 15% by weight of said total blend, preferably from 1% to 10% by weight of said total blend. 117-. (canceled)18. A process for reducing the crystallization temperature and the melting temperature of a polyamide derived from the polymerization of only one major monomer , said process comprising:polymerization of said only one major monomer with only one different minor comonomer polymerized according to the same polymerization process as said only one major monomer, said only one minor comonomer selected from the group consisting of 11-aminoundecanoic acid, lauryllactam, caprolactam, caprolactone, and a diamine-diacid selected from the group consisting of: 6.6, 6.10, 6.11, 6.12, 6.14, 6.18, 10.10, 10.12, 10.14, 10.18 and 10.T, T being terephthalic acid, minor comonomer representing from 1% to 7% by mass of the total blend of said monomer and comonomer, such that the reduction in the crystallization temperature is greater than the reduction in the melting temperature, relative to the crystallization temperature and the melting temperature of the polyamide obtained from the polymerization of said major monomer,wherein the polyamide obtained from the ...

FLUORINATED POLYMERIC COMPOSITION

La présente invention concerne une composition polymérique fluorée, des procédés de fabrication de celle-ci, ainsi que des produits pouvant être fabriqués à partir de cette composition. Plus particulièrement, l'invention concerne une composition polymérique thermoplastique comprenant les composants A, B et C suivants: A - un homopolymère de polyfluorure de vinylidène (PVDF) comprenant une fraction de chaînes de très haute masse molaire (FCTHM), notamment une fraction de chaînes non transférées (FCNT) ; B - un copolymère élastomérique de fluorure de vinylidène (VDF) et d'au moins un autre comonomère fluoré copolymérisable avec le VDF, et C - un homopolymère du VDF de basse viscosité. The present invention relates to a fluorinated polymeric composition, methods of making the same, and products that can be made therefrom. More particularly, the invention relates to a thermoplastic polymeric composition comprising the following components A, B and C: A - a vinylidene polyfluoride homopolymer (PVDF) comprising a fraction of very high molecular weight chains (FCTHM), in particular a fraction of non-transferred channels (FCNT); B - an elastomeric copolymer of vinylidene fluoride (VDF) and at least one other fluorinated comonomer copolymerizable with VDF, and C - a homopolymer of VDF of low viscosity.

SURFACE CROSSLINKING PROCESS OF POLYMER PARTICLES

Method for preparing a recyclable polyamide powder

La présente invention concerne un procédé de préparation de poudre recyclable à base de polyamide, ledit procédé comprenant les étapes successives suivantes : a) une étape d'ajout de 0,01 à 5% en masse d'au moins un antioxydant sous forme pulvérulente à un mélange comprenant de 20 à 95% en masse de poudre à base de polyamide et de 5 à 80% en masse de liquide, sur la masse dudit mélange, ladite poudre à base de polyamide du mélange ayant un pH compris dans la gamme allant de 3 à 8 et un indice de jaune inférieur à 4 mesuré selon la norme ASTM E 313-05, D1925, ledit liquide étant non-solvant du polyamide à une température comprise entre 5°C et la température d'ébullition Teb dudit liquide; b) une étape d'homogénéisation du mélange obtenu à l'étape a); c) une étape de récupération de poudre isolée du liquide.

FLUORINATED POLYMERIC COMPOSITION

La présente invention concerne une composition polymérique fluorée, des procédés de fabrication de celle-ci, ainsi que des produits pouvant être fabriqués à partir de cette composition. Plus particulièrement, l'invention concerne une composition polymérique thermoplastique comprenant les composants A, B et C suivants: A - un homopolymère de polyfluorure de vinylidène (PVDF) comprenant une fraction de chaînes de très haute masse molaire (FCTHM), notamment une fraction de chaînes non transférées (FCNT) ; B - un copolymère élastomérique de fluorure de vinylidène (VDF) et d'au moins un autre comonomère fluoré copolymérisable avec le VDF, et C - un homopolymère du VDF de basse viscosité. The present invention relates to a fluorinated polymeric composition, methods of making the same, and products that can be made therefrom. More particularly, the invention relates to a thermoplastic polymeric composition comprising the following components A, B and C: A - a vinylidene polyfluoride homopolymer (PVDF) comprising a fraction of chains of very high molar mass (FCTHM), in particular a fraction of non-transferred channels (FCNT); B - an elastomeric copolymer of vinylidene fluoride (VDF) and at least one other fluorinated comonomer copolymerizable with VDF, and C - a homopolymer of VDF of low viscosity.

PROCESS FOR THE PREPARATION OF RECYCLABLE POWDER BASED ON POLYAMIDE

PROCESS FOR INCREASING THE RECYCLABILITY OF A POLYAMIDE USED IN SINTERING

La présente invention concerne un procédé pour augmenter la recyclabilité d'un polyamide dans un procédé de frittage, dans lequel on incorpore au moins 4000 ppm d'au moins un acide dans le polyamide, ledit acide étant choisi parmi : les acides de formule générique HxPyOz dans laquelle x, y et z sont des nombres entiers choisis dans la gamme allant de 1 à 7, l'acide borique, les sels de ces acides, leurs esters, leurs anhydrides et leurs mélanges. The present invention relates to a process for increasing the recyclability of a polyamide in a sintering process, in which at least 4000 ppm of at least one acid is incorporated into the polyamide, said acid being chosen from: the acids of generic formula HxPyOz wherein x, y and z are integers selected from the range of 1 to 7, boric acid, salts thereof, esters, anhydrides and mixtures thereof.

Making and shaping of a thermoplastic polyamide part, comprises preparing a pulverulent thermoplastic polyamide composition, irradiating the composition by an electromagnetic radiation, sweeping by the electromagnetic radiation and cooling

Making and shaping of a thermoplastic polyamide part, having improved mechanical properties, comprises preparation of a pulverulent composition containing a pulverulent thermoplastic polyamide having only one melting point (T m) and a crystallization temperature (T c) and nanofibrils of carbon, irradiation of the composition by an electromagnetic radiation to melt the polyamide on the surface, sweeping the composition by the electromagnetic radiation to form the shape of the part and cooling the part until ambient temperature. Preparation and shaping of a thermoplastic polyamide part, having improved mechanical properties, comprises preparation of a pulverulent composition containing a pulverulent thermoplastic polyamide having only one melting point (T m) and a crystallization temperature (T c) such as the difference between T mand T cis >= 30[deg] C and from >= 0.05% to less than 4 wt.% of nanofibrils of carbon, where the pulverulent composition has a homogeneous distribution of particles of apparent mean diameter (D 50) being 40-60 mu m, irradiation of the composition by an electromagnetic radiation to melt the polyamide on the surface, sweeping the composition by the electromagnetic radiation to form the shape of the part and cooling the obtained part until ambient temperature. Independent claims are included for: (1) a composition for the implementation of the process comprising a pulverulent thermoplastic polyamide having only one melting point (T m) and a crystallization temperature (T c) such as the difference between T mand T cis >= 30[deg] C and nanofibrils at >= 0.05% to less than 4 wt.% of the final composition, where the nanofibrils have a homogeneous distribution of particles of apparent mean diameter (D 50) being 40-60 mu m, an apparent mean diameter of 10% of the particles being 18-20 mu m and an apparent mean diameter of 90% of the particles 70-74 mu m; and (2) increasing the elongation to the rupture of a polyamide part using the ...

THERMOPLASTIC COMPOSITE MATERIAL FOR COMPOSITE TUBULAR STRUCTURES

L’invention concerne une composition comprenant au moins un polymère fluoré et au moins une charge de masse volumique élevée. L’invention concerne aussi une structure tubulaire composite thermoplastique qui comprend au moins une couche externe consistant en ladite composition. L’invention a trait également au procédé de fabrication de ladite composition, ainsi qu’à ses applications en tant que couche externe pour alourdir des tubes composites thermoplastiques transportant des fluides dans le cadre de l’exploration et de l’exploitation pétrolière et gazière. Pas de figure The invention relates to a composition comprising at least one fluoropolymer and at least one high density filler. The invention also relates to a thermoplastic composite tubular structure which comprises at least one outer layer consisting of said composition. The invention also relates to the method of manufacturing said composition, as well as to its applications as an outer layer for weighting thermoplastic composite tubes transporting fluids in the context of oil and gas exploration and exploitation. no figure

PROCESS FOR THE PREPARATION OF RECYCLABLE POWDER BASED ON POLYAMIDE

La présente invention concerne un procédé de préparation de poudre recyclable à base de polyamide, ledit procédé comprenant les étapes successives suivantes : a) une étape d'ajout de 0,01 à 5% en masse d'au moins un antioxydant sous forme pulvérulente à un mélange comprenant de 20 à 95% en masse de poudre à base de polyamide et de 5 à 80% en masse de liquide, sur la masse dudit mélange, ladite poudre à base de polyamide du mélange ayant un pH compris dans la gamme allant de 3 à 8 et un indice de jaune inférieur à 4 mesuré selon la norme ASTM E 313-05, D1925, ledit liquide étant non-solvant du polyamide à une température comprise entre 5°C et la température d'ébullition Teb dudit liquide; b) une étape d'homogénéisation du mélange obtenu à l'étape a); c) une étape de récupération de poudre isolée du liquide. The present invention relates to a process for the preparation of recyclable powder based on polyamide, said process comprising the following successive steps: a) a step of adding 0.01 to 5% by weight of at least one antioxidant in pulverulent form to a mixture comprising from 20 to 95% by weight of polyamide-based powder and from 5 to 80% by weight of liquid, to the mass of said mixture, said polyamide-based powder of the mixture having a pH in the range from 3 to 8 and a yellow index of less than 4 measured according to ASTM standard E 313-05, D1925, said liquid being non-solvent of the polyamide at a temperature between 5 ° C and the boiling temperature Teb of said liquid; b) a step of homogenizing the mixture obtained in step a); c) a powder recovery step isolated from the liquid.

COMPOSITION OF POLY-ARYLENE-ETHER-KETONE-KETONES POWDERS ALLOWING EXCELLENT COMPROMISE COULABILITY AND COALESCENCE ADAPTED FOR LASER SINTERING

COMPOSITION OF POLY-ARYLENE-ETHER-KETONE-KETONES POWDERS ALLOWING EXCELLENT COMPROMISE COULABILITY AND COALESCENCE ADAPTED FOR LASER SINTERING

La présente invention concerne une composition comprenant de 99.6 à 99.99 % en poids d'au moins une poudre d'au moins une poly-arylène-éther-cétone et 0.01 à 0.4% en poids d'un agent d'écoulement hydrophile. Cet agent d'écoulement hydrophile est caractérisé par une prise de masse (quantité d'eau absorbée) après 5 jours de conditionnement à une humidité relative de 95% supérieure à 0.5%. Cette prise de masse de l'agent d'écoulement est déterminée par mesure Karl Fisher après désorption de l'eau par un traitement de 15 min à 170°C. Cette composition est adaptée au frittage laser. Elle autorise en particulier un excellent compromis coulabilité et coalescence de la poudre. The present invention relates to a composition comprising from 99.6 to 99.99% by weight of at least one powder of at least one polyarylene ether ketone and 0.01 to 0.4% by weight of a hydrophilic flow agent. This hydrophilic flow agent is characterized by a weight gain (amount of water absorbed) after 5 days of conditioning at a relative humidity of 95% greater than 0.5%. This mass uptake of the flow agent is determined by Karl Fisher measurement after desorption of water by a 15 min treatment at 170 ° C. This composition is suitable for laser sintering. In particular, it allows an excellent compromise flowability and coalescence of the powder.

METHOD FOR MANUFACTURING AND SHAPING A PIECE OF POLYAMIDE WITH IMPROVED MECHANICAL PROPERTIES, COMPOSITION FOR CARRYING OUT THE METHOD

La présente invention a pour objet un procédé de fabrication et de mise en forme d'une pièce en polyamide thermoplastique, aux propriétés mécaniques améliorées, comprenant les étapes suivantes :a) la préparation d'une composition pulvérulente contenant :- au moins un polyamide thermoplastique pulvérulent présentant seul une température de fusion Tf et une température de cristallisation Tc telle que l'écart entre Tf et Tc est supérieur ou égal à 30°C et,- au moins 0,05 % et au plus 4 % en poids de nanofibrilles d'un élément choisi parmi le carbone, le bore, l'azote, le phosphore et leur mélange, et de préférence le carbone par rapport au poids total de la composition, la dite composition pulvérulente présentant une distribution homogène de particules de diamètre apparent moyen D50 compris dans la gamme allant de 40 µm à 60 µm.b) l'irradiation de la composition par un rayonnement électromagnétique afin de fondre en surface le polyamide,c) le balayage de la composition par le rayonnement électromagnétique selon un trajet définissant la forme de la pièce, puisd) le refroidissement jusqu'à la température ambiante de la pièce obtenue.La présente invention a aussi pour objet une composition pulvérulente pour la mise en oeuvre du procédé.L'invention se rapporte en outre à un procédé pour améliorer les propriétés mécaniques d'une pièce en polyamide et plus particulièrement pour améliorer l'élongation à la rupture de la dite pièce. The subject of the present invention is a method for manufacturing and shaping a thermoplastic polyamide part, with improved mechanical properties, comprising the following steps: a) the preparation of a pulverulent composition containing: at least one thermoplastic polyamide powder having only a melting temperature Tf and a crystallization temperature Tc such that the difference between Tf and Tc is greater than or equal to 30 ° C and, at least 0.05% and at most 4% by weight of nanofibrils an element ...

THERMOPLASTIC POWDER COMPOSITION AND THREE-DIMENSIONAL ARTICLES MADE BY SINKING SUCH A COMPOSITION

La présente invention concerne une composition de poudre thermoplastique de D50 inférieure à 100 µm, comprenant : au moins un copolymère à blocs de température de fusion inférieure à 180°C ; de 15 à 50% en poids d'au moins une charge pulvérulente de dureté Mohs inférieure à 6 et de D50 inférieur à 20 µm ; et de 0,1 à 5% d'un agent d'écoulement pulvérulent de D50 inférieur à 20 µm ; sur le poids total de la composition. La présente invention concerne notamment l'utilisation de ladite composition dans les procédés d'agglomération de poudre, couche par couche, par fusion ou frittage pour fabriquer des objets tridimensionnels flexibles. The present invention relates to a thermoplastic powder composition of D50 of less than 100 μm, comprising: at least one block copolymer having a melting point of less than 180 ° C; from 15 to 50% by weight of at least one pulverulent filler with a Mohs hardness of less than 6 and D50 of less than 20 μm; and from 0.1 to 5% of a D50 powder flow agent of less than 20 μm; on the total weight of the composition. The present invention particularly relates to the use of said composition in powder agglomeration, layer-by-layer, melting or sintering processes for making flexible three-dimensional objects.

COMPOSITION OF POLYARYLENE-ETHER-KETONE-KETONE POWDERS SUITABLE FOR LASER FRITTAGE

La présente invention concerne une composition comprenant au moins une poudre de poly-arylène-éther-cétones adaptée au frittage laser, ainsi que le procédé permettant de l'obtenir, minimisant la quantité massique de poudre restant non frittée après production de la pièce par frittage. The present invention relates to a composition comprising at least one poly-arylene-ether-ketone powder suitable for laser sintering, as well as the process for obtaining it, minimizing the mass quantity of powder remaining unsintered after production of the part by sintering. .

PROCESS FOR INCREASING THE DISTANCE BETWEEN THE FUSION TEMPERATURE AND THE CRYSTALLIZATION TEMPERATURE OF A POLYAMIDE POWDER

La présente invention concerne un procédé pour diminuer la température de cristallisation et la température de fusion d'une poudre de polyamide issu de la polymérisation d'au moins un monomère majoritaire, dans lequel la diminution de la température de cristallisation est supérieure à la diminution de la température de fusion, ledit procédé comprenant une étape de polymérisation dudit au moins un monomère majoritaire avec au moins un co-monomère différent minoritaire polymérisé selon le même processus de polymérisation que ledit au moins un monomère majoritaire, ledit au moins un co-monomère minoritaire étant choisi parmi les acides aminocarboxyliques, les couples diamine.diacide, les lactames et/ou les lactones, et ledit au moins un co-monomère minoritaire représentant de 0.1 % à 20% en masse du mélange total desdits monomère(s) et co-monomère(s), de préférence de 0.5 % à 15 % en masse dudit mélange total, de préférence de 1% à 10% en masse dudit mélange total. The present invention relates to a method for decreasing the crystallization temperature and the melting temperature of a polyamide powder resulting from the polymerization of at least one major monomer, wherein the decrease in the crystallization temperature is greater than the decrease in the melting temperature, said process comprising a step of polymerizing said at least one major monomer with at least one different minority co-monomer polymerized according to the same polymerization process as said at least one major monomer, said at least one minority co-monomer being chosen from aminocarboxylic acids, diamine diacid couples, lactams and / or lactones, and said at least one minor comonomer representing from 0.1% to 20% by weight of the total mixture of said monomer (s) and co- monomer (s), preferably from 0.5% to 15% by weight of said total mixture, preferably from 1% to 10% by mass of said total mixture.

METHOD FOR MANUFACTURING AND SHAPING A PIECE OF POLYAMIDE WITH IMPROVED MECHANICAL PROPERTIES, COMPOSITION FOR CARRYING OUT THE METHOD

PULVERULENT COMPOSITION FOR THE MANUFACTURE OF OBJECTS HAVING A STABLE METAL APPEARANCE DURING TIME AND AN IMPROVED CUT RESISTANCE

BIORESSOURCE ALIPHATIC POLYESTER FINE POWDER AND PROCESS FOR PRODUCING SUCH POWDER

La présente invention concerne un procédé de fabrication de poudre de polyester aliphatique bioressourcé de diamètre médian en volume inférieur à 30 µm, comprenant une étape de fourniture d'un polyester aliphatique de viscosité inhérente inférieure à 0,5 dl/g ; et une étape de broyage du dit polyester de sorte qu'on obtient une poudre de polyester de diamètre médian en volume inférieur à 30 µm. La présente invention concerne également une poudre dans laquelle les particules sont de diamètre médian en volume inférieur à 30 µm, et sont imprégnées d'un composé choisi parmi les polyols et/ou les polyacides carboxyliques ; et concerne également l'utilisation de la poudre pour la fabrication de produits cosmétiques, pharmaceutiques ou de parfumerie. The present invention relates to a process for manufacturing bioresourced aliphatic polyester powder with a volume median diameter of less than 30 µm, comprising a step of providing an aliphatic polyester of inherent viscosity of less than 0.5 dl / g; and a step of grinding said polyester so that a polyester powder with a volume median diameter of less than 30 μm is obtained. The present invention also relates to a powder in which the particles have a volume median diameter of less than 30 μm, and are impregnated with a compound chosen from polyols and / or polycarboxylic acids; and also relates to the use of the powder for the manufacture of cosmetic, pharmaceutical or perfume products.

PROCESS OF CRUSHING POLYARYL ETHER CETONES

La présente invention concerne un procédé de broyage amélioré des poly-arylène-éther-cétones, autorisant de très bons rendements et l'obtention de poudres de poly-arylène-éther-cétones de diamètre moyen inférieur à 100 µm présentant une distribution de taille resserrée avec peu de fines particules (Dv10>15µm). The present invention relates to an improved grinding process of poly-arylene-ether-ketones, allowing very good yields and obtaining poly-arylene-ether-ketone powders with an average diameter of less than 100 μm having a tight size distribution. with few fine particles (Dv10> 15µm).

Barbecue with a removable grill with adjustable height

L’invention a pour objet un barbecue comportant au moins une cuve dont le bord (1) comporte au moins une paire d’ouvertures (2a, 2b) et une grille (3) comportant deux piètements verticaux (3a, 3b) et qui peut prendre plusieurs positions en hauteur suivant que lesdits piètements sont enfoncés ou insérés dans différentes paires d’ouvertures ou de gorges (4a, 4b) pratiquées dans le bord (1) de la cuve. Dans une variante, le barbecue peut comporter un couvercle (7) recouvrant la cuve et pouvant être également utilisé une fois retourné comme support de la grille (3). [Fig.1] The subject of the invention is a barbecue comprising at least one tank whose edge (1) comprises at least one pair of openings (2a, 2b) and a grid (3) comprising two vertical legs (3a, 3b) and which can take several positions in height depending on whether said legs are driven or inserted into different pairs of openings or grooves (4a, 4b) made in the edge (1) of the tank. Alternatively, the barbecue may comprise a cover (7) covering the tank and which can also be used once turned over as a support for the grid (3). [Fig.1]

Pulverulent composition for the manufacture of articles having a metallic appearance that is stable over time and an improved resistance to pencilling

The present invention relates to a pulverulent composition for the manufacture of articles having a metallic appearance that is stable over time and an improved resistance to pencilling, said composition comprising: from 50 to 99.9% by weight of at least one thermoplastic polymer, from 0.1 to 5% by weight of at least one effect pigment, from 0 to 0.3% by weight of at least one metallic pigment relative to the total weight of the composition.

COMPOSITION OF THERMOPLASTIC FLUORINE POLYMERS FOR OFF-SHORE TUBES

L'invention concerne une composition comprenant : - de 60 à 80 % en masse d'un polyfluorure de vinylidène ; - de 10 à 30 % en masse d'un copolymère de fluorure de vinylidène et d'un comonomère ; - un plastifiant, et - de 3 à 20 % en masse de fibres ; ainsi que l'utilisation de cette composition pour la fabrication de divers articles tels que des conduites. The invention relates to a composition comprising: - from 60 to 80% by weight of a polyvinylidene fluoride; from 10 to 30% by weight of a copolymer of vinylidene fluoride and a comonomer; a plasticizer, and from 3 to 20% by weight of fibers; as well as the use of this composition for the manufacture of various articles such as pipes.

Fine powder of biosourced aliphatic polyester and production method thereof

La présente invention concerne un procédé de fabrication de poudre de polyester aliphatique bioressourcé de diamètre médian en volume inférieur à 30 m, comprenant une étape de fourniture d'un polyester aliphatique de viscosité inhérente inférieure à 0,5 dl/g; et une étape de broyage dudit polyester de sorte qu'on obtient une poudre de polyester de diamètre médian en volume inférieur à 30 m. La présente invention concerne également une poudre dans laquelle les particules sont de diamètre médian en volume inférieur à 30 m, et sont imprégnées d'un composé choisi parmi les polyols et/ou les acides carboxyliques; et concerne également l'utilisation de la poudre pour la fabrication de produits cosmétiques, pharmaceutiques ou de parfumerie.

(ligno)cellulose material board coated with a pmma and pvdf-based film

The invention relates to the use of a coextruded multilayer film for protecting a (ligno)cellulose material, wherein said multilayer film consists of the following arranged to each other layers: a surface layer (I) comprising PVDF and possibly PMMA in the form of the main components, an intermediate layer (II) comprising in the form of main components 0-60 PVDF parts, 40-100 PMMA parts, 0-25 acrylic elastomer parts and 0-10 UV absorber parts, the totality thereof being equal to 100 parts, and an adhesive layer (III), which comprises a functional PMMA in the form of the main component and is arranged on the side of the (ligno)cellulose material.

Method for grinding poly(aryl ether ketones)

La présente invention concerne un procédé de broyage amélioré des poly-arylène-éther-cétones, autorisant de très bons rendements et l'obtention de poudres de poly-arylène- éther-cétones de diamètre moyen inférieur à 100 µm présentant une distribution de taille resserrée avec peu de fines particules (Dv10>15µm).

Thermoplastic fluorinated polymer composition for off-shore pipes

L'invention concerne une composition comprenant : - de 60 à 80 % en masse d'un polyfluorure de vinylidène; - de 10 à 30 % en masse d'un copolymère de fluorure de vinylidène et d'un comonomère; - un plastifiant, et - de 3 à 20 % en masse de fibres; ainsi que l'utilisation de cette composition pour la fabrication de divers es tels que des conduites.

Method for increasing the difference between the melting temperature and the crystallization temperature of a polyamide powder.

La presente invención se relaciona con un método para reducir la temperatura de cristalización y la temperatura de fusión de un polvo de poliamida que resulta de la polimerización de por lo menos un monómero predominante, en el que la reducción en la temperatura de cristalización es mayor que la reducción de la temperatura de fusión, dicho método comprende una etapa de polimerización de dicho por lo menos un monómero predominante con por lo menos un comonómero menor diferente polimerizado de acuerdo con el mismo proceso de polimerización que dicho por lo menos un monómero predominante, dicho por lo menos un comonómero menor se escoge de ácidos aminocarboxílicos, parejas de diamina-diácidos, lactamas y/o lactosas, y dicho por lo menos un comonómero menor que representa de 0.1% a 20% en peso de la mezcla total de dichos monómeros y comonómeros preferiblemente de 0.5% a 15% en peso de dicha mezcla total, preferiblemente de 1% a 10% en peso de dicha mezcla total.

Method for increasing the recyclability of a polyamide used in sintering

PROCESS FOR MILLING POLYARYL ETHER CETONES

La présente invention concerne un procédé de broyage amélioré des poly-arylène-éther-cétones, autorisant de très bons rendements et l'obtention de poudres de poly-arylène-éther-cétones de diamètre moyen inférieur à 100 µm présentant une distribution de taille resserrée avec peu de fines particules (Dv10>15µm). The present invention relates to an improved grinding process for polyarylene-ether ketones, allowing very good yields and obtaining poly-arylene-ether-ketone powders with a mean diameter of less than 100 μm and having a narrow size distribution. with few fine particles (Dv10> 15μm).

Method for increasing the difference between the melting temperature and the crystallisation temperature of a polyamide powder

La présente invention concerne un procédé pour diminuer la température de cristallisation et la température de fusion d'une poudre de polyamide issu de la polymérisation d'au moins un monomère majoritaire, dans lequel la diminution de la température de cristallisation est supérieure à la diminution de la température de fusion, ledit procédé comprenant une étape de polymérisation dudit au moins un monomère majoritaire avec au moins un co-monomère différent minoritaire polymérisé selon le même processus de polymérisation que ledit au moins un monomère majoritaire, ledit au moins un co-monomère minoritaire étant choisi parmi les acides aminocarboxyliques, les couples diamine.diacide, les lactames et/ou les lactones, et ledit au moins un co-monomère minoritaire représentant de 0.1% à 20% en masse du mélange total desdits monomère(s) et co-monomère(s), de préférence de 0.5% à 15% en masse dudit mélange total, de préférence de 1% à 10% en masse dudit mélange total.

CATHODE COMPOSITION FOR LI-ION BATTERY

La présente invention a trait de manière générale au domaine du stockage d’énergie électrique dans des batteries secondaires rechargeables de type Li-ion. Plus précisément, l’invention concerne une composition de cathode pour batterie Li-ion. L’invention se rapporte également à un procédé de fabrication d’une telle composition de cathode, ainsi qu’aux batteries secondaires Li-ion comprenant une telle cathode. The present invention generally relates to the field of the storage of electrical energy in rechargeable secondary batteries of the Li-ion type. More specifically, the invention relates to a cathode composition for a Li-ion battery. The invention also relates to a method for manufacturing such a cathode composition, as well as to Li-ion secondary batteries comprising such a cathode.

Fluorinated polymer composition

The present invention concerns a fluorinated polymer composition, methods for producing same, and products that can be produced from said composition. More particularly, the invention concerns a thermoplastic polymer composition comprising the following components A, B and C: A - a polyvinylidene fluoride (PVDF) homopolymer comprising a fraction of ultra high molecular weight chains (UHMCF); B -a vinylidene fluoride (VDF) elastomeric copolymer and at least one other fluorinated comonomer copolymerisable with VDF, and C -a VDF homopolymer having a lower viscosity than component A.

COMPOSITION OF THERMOPLASTIC FLUORINE POLYMERS FOR OFF-SHORE TUBES

Multi-layer structure, useful to protect e.g. photovoltaic module, comprises e.g. polyvinylidene fluoride joined with layer of e.g. polyethylene and optionally layer of polyvinylidene fluoride, polymethyl methacrylate and a UV absorber

Multi-layer structure comprises: a film (F1) of polyvinylidene fluoride (PVDF) joined with a layer e.g. of polyethylene terephthalate (PET); a film (F2) of PVDF with PET coupled with a film having PVDF; optionally a layer (I) of PVDF, polymethyl methacrylate (PMMA) and an UV absorber; a layer (II) of PVDF, PMMA, a mineral filler and polyalkylene glycol; optionally a layer (III) of PVDF, PMMA, a mineral filler and a polylakylene glycol; and an adhesive layer is laid out between the PET/PEN layer and the PVDF (F1) and/or (F2) films, where the adhesive layer is optional if (II) is present. Multi-layer structure comprises: a film (F1) containing polyvinylidene fluoride (PVDF) joined with a layer of polyethylene terephthalate (PET) or polyethylene naphathalate (PEN); a film (F2) containing PVDF with PET or PEN coupled with a film containing PVDF; optionally a layer of composition (I) having PVDF at 5-40 parts, polymethyl methacrylate (PMMA) at 60-95 and a UV absorber at 0-5 parts; a layer of composition (II) having PVDF at 50-100 parts, PMMA at 0-50 parts, mineral filler at 0-30 parts and polyalkylene glycol at 0-3 parts; optionally a layer of composition (III) having PVDF at 80-100 parts, PMMA at 0-20 parts, a mineral filler at 0-30 parts and a polylakylene glycol at 0-3 parts; and an adhesive layer is laid out between the sheet of PET or PEN and the F1 and/or F2 films, where the adhesive layer is optional if (II) is present. Independent claims are included for: (1) a protected photovoltaic module surfaces, a technical textile made out of PVC, a glass fabric or glass mat, aramid fabric, a Kevlar (RTM: Para-aramid fibers) fabric and protected metal surfaces protected by the multi-layer structure; and (2) a process of preparing the multi-layer structure comprising co-extruding the various PVDF layers, an adjacent polyolefin layer (E) to (I) or (III), and optionally another polyolefin layer extruded in PVDF layers or (E) on the side opposed to the layer extruded in E, and ...

Barbecue with removable grill with adjustable height

L’invention a pour objet un barbecue comportant au moins une cuve dont le bord (1) comporte au moins une paire d’ouvertures (2a, 2b) et une grille (3) comportant deux piètements verticaux (3a, 3b) et qui peut prendre plusieurs positions en hauteur suivant que lesdits piètements sont enfoncés ou insérés dans différentes paires d’ouvertures ou de gorges (4a, 4b) pratiquées dans le bord (1) de la cuve. Dans une variante, le barbecue peut comporter un couvercle (7) recouvrant la cuve et pouvant être également utilisé une fois retourné comme support de la grille (3). [Fig.1] The subject of the invention is a barbecue comprising at least one tank whose edge (1) comprises at least one pair of openings (2a, 2b) and a grid (3) comprising two vertical legs (3a, 3b) and which can take several positions in height depending on whether said legs are driven or inserted into different pairs of openings or grooves (4a, 4b) made in the edge (1) of the tank. Alternatively, the barbecue may comprise a cover (7) covering the tank and which can also be used once turned over as a support for the grid (3). [Fig.1]

Fine powder of biosourced aliphatic polyester and production method thereof.

La invención se refiere a un método para la producción de polvo de poliéster alifático de origen biológico que tiene un diámetro medio en volumen de menos de 30 µm, que comprende: una etapa que consiste en suministrar un poliéster alifático que tiene una viscosidad inherente de menos de 0,5 dl/g; y una etapa que consiste en moler el poliéster, de manera que se obtiene un polvo de poliéster que tiene un diámetro medio en volumen de menos de 30 µm. La invención se refiere también a un polvo en el que las partículas tienen un diámetro medio en volumen de menos de 30 µm y están impregnadas con un compuesto seleccionado entre polioles y/o ácidos carboxílicos. La invención se refiere adicionalmente al uso del polvo para la producción de productos cosméticos, farmacéuticos y de perfumería.

Materiau composite thermoplastique pour structures tubulaires composites

L’invention concerne une composition comprenant au moins un polymère fluoré et au moins une charge de masse volumique élevée. L’invention concerne aussi une structure tubulaire composite thermoplastique qui comprend au moins une couche externe consistant en ladite composition. L’invention a trait également au procédé de fabrication de ladite composition, ainsi qu’à ses applications en tant que couche externe pour alourdir des tubes composites thermoplastiques transportant des fluides dans le cadre de l’exploration et de l’exploitation pétrolière et gazière. Pas de figure

Composite thermoplastic material for composite tubular structures

The invention relates to a composition comprising at least one fluoropolymer and at least one high-density filler. The invention also relates to a thermoplastic composite tubular structure which comprises at least one external layer consisting of said composition. The invention also relates to the process for the manufacture of said composition, and also to its applications as external layer for weighing down thermoplastic composite pipes transporting fluids in the context of oil and gas exploration and exploitation.

Lipopeptide fusion inhibitors as sars-cov-2 antivirals

Described herein is a composition and method of preventing COVID-19 with lipid-peptide fusion antiviral therapy.

Binder for electrode comprising poly(vinylidene fluoride) and a hydrophilic polymer

The present invention relates to a binder composition for positive electrodes comprising a polymer P1 comprising recurring units derived from vinylidene fluoride and a hydrophilic polymer P2 comprising recurring units derived from at least one monomer of formula R 1 R 2 C=C(R 3 )C(O)R(I) wherein R 1 , R 2 and R 3 are independently selected from the group consisting of H and C 1 -C 5 alkyl; R is selected from the group consisting of -NHC(CH 3 ) 2 CH 2 C(O)CH 3 , -NR'R"or -OR' wherein R' and R" are independently selected from the group consisting of H and C 1 -C 18 alkyl groups optionally substituted by one or more hydroxyl, thiol or amino functional group(s) or a five- to six-membered heterocycle comprising at least one nitrogen atom in the ring ; characterized in that the weight average molecular weight of said hydrophilic polymer P2 is greater than 30000 g/mol, advantageously greater than 50000 g/mol, preferably greater than 65000 g/mol, more preferably greater than 80000 g/mol.

Antivirals against measles virus

Compositions, and methods of preventing Measles and other viral infections using the compositions, related to single-chain variable fragment- (scFv-) based antivirals that bind to the measles virus (eV) F peptide and block F-mediated membrane fusion, thereby preventing infection. The scFv may interact synergistically with MeV fusion inhibitory peptides, such as HRC4. The scFv may be administered to the patient by airway, such as intranasally, and may be co-administered with one or more MeV fusion inhibitory peptides, such as HRC4.

Lipopeptide fusion inhibitors as sars-cov-2 antivirals

Described herein is a composition and method of preventing COVID-19 with lipid-peptide fusion antiviral therapy.

Binder for electrode comprising poly(vinylidene fluoride) and a hydrophilic polymer

The present invention relates to a binder composition for positive electrodes comprising a polymer P1 comprising recurring units derived from vinylidene fluoride and a hydrophilic polymer P2 comprising recurring units derived from at least one monomer of formula R 1 R 2 C=C(R 3 )C(O)R (I) wherein R 1 , R 2 and R 3 are independently selected from the group consisting of H and C 1 -C 5 alkyl; R is selected from the group consisting of –NHC(CH 3 ) 2 CH 2 C(O)CH 3 , -NR'R''or -OR' wherein R' and R'' are independently selected from the group consisting of H and C 1 -C 18 alkyl groups optionally substituted by one or more hydroxyl, thiol or amino functional group(s) or a five- to six-membered heterocycle comprising at least one nitrogen atom in the ring; characterized in that the weight average molecular weight of said hydrophilic polymer P2 is greater than 30000 g/mol, advantageously greater than 50000 g/mol, preferably greater than 65000 g/mol, more preferably greater than 80000 g/mol.

Materiau composite thermoplastique pour structures tubulaires composites

L'invention concerne une composition comprenant au moins un polymère fluoré et au moins une charge de masse volumique élevée. L'invention concerne aussi une structure tubulaire composite thermoplastique qui comprend au moins une couche externe consistant en ladite composition. L'invention a trait également au procédé de fabrication de ladite composition, ainsi qu'à ses applications en tant que couche externe pour alourdir des tubes composites thermoplastiques transportant des fluides dans le cadre de l'exploration et de l'exploitation pétrolière et gazière.

Antivirals against measles virus

Compositions, and methods of preventing Measles using the compositions, related to single-chain variable fragment- (scFv-) based antivirals that bind to the measles virus (eV) F peptide and block F-mediated membrane fusion, thereby preventing infection. The scFv may interact synergistically with MeV fusion inhibitory peptides, such as HRC4. The scFv may be administered to the patient by airway, such as intranasally, and may be co-administered with one or more MeV fusion inhibitory peptides, such as HRC4.

Lipopeptide fusion inhibitors as sars-cov-2 antivirals

Described herein is a composition and method of preventing COVED- 19 with lipid-peptide fusion antiviral therapy.

Composition de cathode pour batterie li-ion

La présente invention a trait de manière générale au domaine du stockage d'énergie électrique dans des batteries secondaires rechargeables de type Li-ion. Plus précisément, l'invention concerne une composition de cathode pour batterie Li-ion. L'invention se rapporte également à un procédé de fabrication d'une telle composition de cathode, ainsi qu'aux batteries secondaires Li-ion comprenant une telle cathode.