Abstract: According to the invention, the marking device has a shape of revolution and comprises a casing (1) with a conical bottom (8) closed off by an obturator (2), fixed in a sealed manner to said casing (1). Inside said marking device there is a block (15) of compacted marking product.

Abstract: A temperature-compensated resonator including a body used in deformation, a core of the body being formed by ceramic. At least one part of the body includes a coating whose Young's modulus variation with temperature is of an opposite sign to that of the ceramic used for the core, so that at least the first order frequency variation with temperature of the resonator is substantially zero frequency.

Abstract: The present invention relates to compositions comprising a blend of cellulose acetate and a water soluble polymer. In some embodiments, the composition is water dispersive and/or biodegradable. Embodiments of the invention also relate to processes for preparing such compositions, and to materials and products including such compositions.

Abstract: The invention relates to a device (100) for calibrating the temperature of a fiber-optic temperature sensor, with which an optical fiber (10) of a fiber-optic temperature sensor is to be provided. The device (100) comprises a device body (101) having a passage (109) through which the optical fiber (10) is to pass, and a means for transferring heat energy. The device (100) further comprises at least one portion (160a), referred to as a first fixed point, which is made from a first material having at least a first predefined temperature at which the state thereof changes. The first fixed point (160a) is thermally connected to the optical fiber (10) when the optical fiber (10) is provided with the device (100). The heat-transferring means is arranged in the device body (101) such that, during the actuation thereof, the heat-transferring means exchanges heat energy with the first fixed point (160a) so as to cause a change in the state thereof at the first predefined temperature.

Abstract: The invention relates to a polymer material comprising a mixture of: a base polylactic acid (PLA) polymer formed by between 60 wt.-% and 85 wt.-% L units and between 15 wt.-% and 40 wt.-% D units or between 60 wt.-% and 85 wt.-% D units and between 15 wt.-% and 40 wt.-% L units; and a plasticiser selected from the group containing citric acid esters, glycerin esters and derivatives, poly(alkylene ethers), oligomers of lactide or derivatives of lactic acid, fatty acid esters and epoxidised oils, representing between 10 wt.-% and 40 wt.-% in relation to the total weight of the polymer material.

Abstract: The invention relates to a micromechanical part (11, 21, 31, 41, 51, 61) made of a single-piece material. According to the invention, the part has an elementary section formed of at least two secant and non-aligned segments so that one of the at least two segments forms the height (e3) of the micromechanical part (11, 21, 31, 41, 51, 61), the height being greater than the thickness (e1) of each segment. The invention also concerns the method of fabricating the part.

Abstract: The invention relates to a method of fabricating a micromechanical part made of a single piece material. According to the invention, the method includes the following steps: a) forming a substrate which includes the negative cavity for said micromechanical part to be fabricated; b) forming a sacrificial layer on one portion of the substrate; c) depositing particles on the substrate intended to form a germ ination layer; d) removing the sacrificial layer so as to selectively leave one portion of the substrate free of any particles; e) depositing a layer of material by chemical vapour phase deposition so that the material is exclusively deposited where the particles remain; f) removing the substrate to release the micromechanical part formed in said negative cavity.

Abstract: The invention relates to a organic field effect transistor device comprising: an organic semiconductor layer; a source electrode arranged in electronic contact with the said organic semiconductor; a drain electrode arranged in electronic contact with the said organic semiconductor; a gate electrode; an electrolyte layer arranged between said gate electrode and said organic semiconductor layer; wherein the organic semiconductor layer comprises a semiconducting polymeric material comprising one or more blocks of conjugated polymer combined with one or more blocks of copolymer; preferably an amphiphilic copolymer. Also a method of producing the device, and a polyanionic polymer is provided by the invention.

Abstract: A conventional polymer is grafted from a plasma polymer layer provided at a substrate surface by radical polymerisation initiated from plasma induced radicals present at or in the plasma polymer, particularly radicals provided during deposition of the plasma polymer.

Abstract: The present invention is related to a composition for the preparation of an anti-biofouling coating comprising: -a polymer fraction essentially consisting of polysiloxane; -a curing agent; -carbon nanotubes; -a metal-free catalyst consisting of an organic acid.

Abstract: The invention relates to a method of fabricating a micromechanical part (11, 31, 41) made of a single piece material. According to the invention, the method includes the following steps: a) forming a substrate (1, 21) which includes the negative cavity (3, 23) for said micromechanical part to be fabricated; b) forming a sacrificial layer (5, 25) on one portion of the substrate (1, 21); c) depositing particles (6, 26) on the substrate (1, 21) intended to form a germination layer; d) removing the sacrificial layer (5, 25) so as to selectively leave one portion of the substrate (1, 21) free of any particles (6, 26); e) depositing a layer of material (7, 27) by chemical vapour phase deposition so that the material is exclusively deposited where the particles (6, 26) remain; f) removing the substrate (1, 21) to release the micromechanical part (11, 31, 41) formed in said negative cavity.

Abstract: System for filling a tank comprising a fill pipe and a pipe head comprising an inlet valve and a moveable stopper in the head under the valve, characterized in that the valve comprises a peripheral part and a central part and in that only the peripheral part is coupled to the stopper and capable of causing the opening and/or unlocking of the latter under the pressure of a large-diameter fill nozzle, the central part being moveable with respect to this peripheral part so as to be able to swing under the action of a smaller-diameter fill nozzle, without acting on the stopper, while being connected to this same peripheral part so as to be entrained and swung with it under the pressure of a large-diameter fill nozzle.

Abstract: 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 CaSO4 and OMLS exhibits synergistic effects on PLA flame retardancy by both significantly increasing the time to ignition and decreasing the heat release rate per unit area, and promoting non-dripping properties. Moreover, all other properties of PLA remain almost unchanged or are improved as regards to pristine PLA, especially thermal and mechanical properties.

Abstract: The present invention relates to the use of a composition comprising a polysiloxane-based polymer and at least one cylindrical nanofiller as a marine anti-biofouling and/or fouling release coating.

Abstract: A cyclic carbonyl monomer has the formula (7): wherein at least one W? or Wa group comprises a protected glycoside; each Z independently represents O, S, NH or NW?; n is an integer from 0 to 6 wherein when n is 0, carbons labeled 4 and 6 are linked together by a single bond; each W? and Wa group independently represents a hydrogen, a halide, an alkyl group comprising 1 to 20 carbons, an ester group comprising 1 to 20 carbons, an amide group, an aryl group comprising 1 to 20 carbons, an alkoxy group comprising 1 to 20 carbons, or a foregoing W? or Wa group substituted with a protected glycoside; and each W? group independently represents an alkyl group comprising 1 to 20 carbons, an aryl group comprising 1 to 20 carbons, or a foregoing W? group substituted with a protected glycoside.

Abstract: A starch-polyester graft copolymer and chemically modified starch-polyester graft copolymer composition comprising a chemically modified starch or chemically modified starch-nanoclay product is described. The composition can be produced continuously in a twin-screw co-rotating extruder. The starch-polyester graft copolymer can be solvent cast, melt cast and blown into clear transparent film particularly for use in single use disposable applications and can be biodegradable.

Abstract: This invention relates to a method for producing carbon nanotubes in a dispersed state. The method comprises a stage whereby polymerization is carried out from at least one so-called monomer of interest, in the presence of a catalytic system. The catalytic system comprises a co-catalyst/catalyst catalytic couple that is supported by a catalyst carrier, which corresponds to said carbon nanotubes. The invention also relates to composite materials obtained by said method, and to a catalytic system for implementing said method. The invention further relates to the use of the inventive method and products in a field of polymers, especially that of nanotechnologies.

Abstract: A surgical needle has shape memory. An endoscope tool controls the temperature of a foreign body or surgical instrument such as an endoscopic needle.

Abstract: The invention relates to a method for making a fireproof polymer foam, and to a fireproof polymer foam containing a mixture of a polymer composition containing one or more optionally-substituted, sequenced or random, thermoplastic and/or elastomer homopolymers, copolymers or mixtures thereof, from 0.05 to 10 wt %, preferably from 0.5 to 5 wt %, relative to the mixture, of carbon nanotubes, and from 0.05 to 15 wt %, preferably from 0.5 to 10 wt %, relative to the mixture, of red phosphorus.

Abstract: A cyclic carbonyl monomer has the formula (7): wherein at least one W? or Wa group comprises a protected glycoside; each Z independently represents O, S, NH or NW?; n is an integer from 0 to 6 wherein when n is 0, carbons labeled 4 and 6 are linked together by a single bond; each W? and Wa group independently represents a hydrogen, a halide, an alkyl group comprising 1 to 20 carbons, an ester group comprising 1 to 20 carbons, an amide group, an aryl group comprising 1 to 20 carbons, an alkoxy group comprising 1 to 20 carbons, or a foregoing W? or Wa group substituted with a protected glycoside; and each W? group independently represents an alkyl group comprising 1 to 20 carbons, an aryl group comprising 1 to 20 carbons, or a foregoing W? group substituted with a protected glycoside.