Patent application number | Description | Published |
20080311406 | (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. | 12-18-2008 |
20090275251 | FLEXIBLE FILM BASED ON FLUORINATED POLYMER - The invention concerns a multilayer structure comprising: a PVDF-based film F | 11-05-2009 |
20110172387 | 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. | 07-14-2011 |
20110236698 | 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. | 09-29-2011 |
20120329932 | 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. | 12-27-2012 |
20130004448 | 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 T | 01-03-2013 |
20130337025 | 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. | 12-19-2013 |
20140322441 | 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). | 10-30-2014 |