Patent application number | Description | Published |
20080207813 | Power and/or telecommunications cable having improved fire-retardant properties - The present invention provides a power and/or telecommunications cable including at least one layer of a material obtained from a composition comprising: a thermoplastic polymer matrix; and a phenolic resin; wherein said phenolic resin is selected from novolac phenol-formaldehyde resins and novolac cyanate ester resins, and wherein said material includes nodules of hardened phenolic resin dispersed throughout the material. | 08-28-2008 |
20080230931 | Process and Installation for Molding an Optical Lens - The object of the invention is a process for molding an optical element such as a lens ( | 09-25-2008 |
20080262159 | Method of fabricating a power and/or telecommunications cable - A method of fabricating a power and/or telecommunications cable includes obtaining at least one layer of a material by thermally activating an elastomer composition containing a copolymer of ethylene vinyl acetate, a cyclic polyester oligomer, and a transesterification catalyst, where the material including nodules of polyester. | 10-23-2008 |
20090143545 | Thermosetting Poly(thio)urethane Formulation Comprising at Least One Block Copolymer and Use Thereof in Optics for the Production of Organic Lenses Having Improved Toughness - The invention relates to a polymerisable liquid mixture comprising: (a) a polymerisable thermosetting composition which is a precursor by polymerisation of a first thermoset polymer material, said composition containing at least one polythiol and/or one polyol, preferably a polythiol, and at least one polyiso(thio)cyanate; and (b) a second polymer material solubilised in the aforementioned polymerisable thermosetting composition, whereby the second material (i) contains at least one block copolymer comprising at least two polymer blocks A and B, namely an elastomer block A and a hydrophilic block B, and, following polymerisation of the polymerisable mixture, (ii) forms domains which are rich in elastomer block A and which are dispersed throughout the first material, said domains being smaller than 80 nanometers and preferably smaller than 50 nanometers. The invention also relates to a transparent article having improved toughness, which is produced by means of polymerisation of the above-mentioned polymerisable mixture, comprising an alloy of a first thermoset polymer material forming the matrix of said article and of a second polymer material which is dispersed throughout said first material. The aforementioned articles have improved resistance to impact and to crack propagation. The invention is suitable for use in ophthalmic optics. | 06-04-2009 |
20110301274 | POWER AND/OR TELECOMMUNICATIONS CABLE HAVING IMPROVED FIRE-RETARDANT PROPERTIES - A method of preparation for a layer of material for use with a power and/or telecommunications cable includes mixing a composition including a thermoplastic polymer matrix and a phenolic resin. The phenolic resin is selected from the group consisting of novolac phenol-formaldehyde resins and novolac cyanate ester resins. The phenolic resin is hardened within the thermoplastic polymer matrix to obtain nodules of hardened phenolic resin dispersed throughout the material. | 12-08-2011 |
20130037305 | ELECTRICAL CONDUCTOR COATED IN A BONDING LAYER, AND A METHOD OF MANUFACTURING SUCH AN ELECTRICAL CONDUCTOR - The invention relates to an electrical conductor coated in an insulating layer itself coated in a bonding layer, the conductor being characterized in that said bonding layer is obtained from a composition comprising a thermoplastics polymer and a settable resin. The invention also applies to a method of manufacturing such an electrical conductor coated in a bonding layer, the method being characterized in that it comprises applying said composition on said electrical conductor coated in said insulating layer, and applying treatment to cause said settable resin to be cured at least in part. | 02-14-2013 |
20140288239 | PBS- AND SILICA-BASED COMPOSITES - The present invention relates to PBS- and silica-based composites, said composites having a high swelling ability. It also relates to a method of preparing said composites, a method of swelling said composites and films obtained by swelling said composites. | 09-25-2014 |
20150057424 | POLYMERS, THE PROCESS FOR THE SYNTHESIS THEREOF AND COMPOSITIONS COMPRISING SAME - The present invention relates to copolymers, in particular poly(butylenesuccinate-co-furanoate) (PBSF) copolymers, which have advantageous mechanical properties, and also to polymeric compositions comprising them. It also relates to a process for preparing these polymers. | 02-26-2015 |