Abstract: The present invention relates to a biodegradable branched polyester particularly suitable for use in extrusion coating and lamination, and the process for obtaining it.

Abstract: The present invention relates to a biodegradable branched polyester particularly suitable for use for foaming.

Abstract: Multilayer biodegradable film particularly suitable for use in the manufacture of packaging, comprising at least one layer (A) comprising at least one aliphatic-aromatic biodegradable polyester blended with an aliphatic polyester having at least 70% in moles of succinic acid, and at least one layer (B) comprising a polymer composition comprising an aliphatic-aromatic polymer. The film has high mechanical properties, in particular a high elastic modulus, and appreciable optical transparency properties.

Abstract: This invention relates to a new polyester which is particularly suitable for use in the manufacture of mass-produced articles characterised by excellent mechanical properties, in particular high tensile strength and tensile modulus, associated with a high barrier property against oxygen and carbon dioxide.

Abstract: The present invention relates to a process which makes it possible to obtain a plurality of organic compounds that can be used as chemical intermediates through the use of waste cellulosic biomass as a raw material. Through this process fermentable saccharides can be extracted, separated and recovered from said waste cellulosic biomass.

Abstract: This invention relates to a new polyester which is particularly suitable for use in the manufacture of mass-produced articles characterised by excellent mechanical properties, in particular high tensile strength and tensile modulus, associated with a high barrier property against oxygen and carbon dioxide.

Abstract: The present invention relates to a process for the reuse in polymerization of a biodegradable polymeric composition re) comprising a mixture of polyesters. The process comprises the steps of: 1) reacting said polymeric composition with water at a temperature higher than the melting temperature of at least one of said polyesters, obtaining a depolymerization product comprising monomers of said polyesters and/or their oligomers in a mixture, 2) separating from said depolymerization product a fraction comprising impurities and/or fillers, 3) subjecting said monomers and/or oligomers to polymerization, in quantities from 1% to 100% by weight, with respect to the mixture subjected to polymerization, obtaining a polymeric composition biodegradable.

Abstract: A biodegradable aliphatic-aromatic polyester for the production of packaging films, having a Poisson's ratio (RVE) between 800 and 1700, comprising units of at least one dicarboxylic acid and at least one diol, in which Mn?40000 and Mw/q?90000, in which q is the percentage by weight of polyester oligomers having a molecular weight?10000.

Abstract: Packaging film with a coefficient of static friction >5 comprising: (i) a biodegradable polyester with a melt strength of 0.7-4 g and comprising units of at least one dicarboxylic acid and at least one diol, and (ii) an anti-fogging agent selected from the esters of a polyfunctional alcohol, provided that the ester is not a stearate.

Abstract: Biodegradable polymer composition for the production of molded items comprising: i. 5-70% by weight of a polyester comprising units derived from an aromatic dicarboxylic acid, succinic acid and a C5-C24 saturated dicarboxylic acid; and units derived from a saturated aliphatic diol and an unsaturated aliphatic diol; ii 0-40% by weight of a polyester comprising units derived from succinic acid and units derived from a saturated aliphatic diol and an unsaturated aliphatic diol; iii. 23-43% by weight of a polyhydroxyalkanoate; iv. 10-20% by weight of a filler; v. 0-0.5% by weight of a cross-linking agent and/or chain extender.

Abstract: Polymeric composition comprising, with respect to the total composition: i) 30-95% by weight, preferably between 50-85% by weight with respect to the sum of components i)-vi), of at least one polyester comprising: a) a dicarboxylic component comprising, with respect to the total of the dicarboxylic component: a1) 30-70% by moles of units deriving from at least one aromatic dicarboxylic acid; a2) 70-30% by moles of units deriving from at least one saturated aliphatic dicarboxylic acid; a3) 0-5% by moles of units deriving from at least one unsaturated aliphatic dicarboxylic acid; b) a diol component comprising, with respect to the total diol component: b1) 95-100% by moles of units deriving from at least one saturated aliphatic diol; b2) 0-5% by moles of units deriving from at least one unsaturated aliphatic diol; ii) 0.1-50% by weight with respect to the sum of components i)-vi), of at least one polymer of natural origin; iii) 0.

Abstract: This invention relates to a method for cultivating pluriennial plants belonging to the Cardueae tribe and for the integrated recovery of inulin, seeds and biomass from the said plants.

Abstract: The invention relates to a process for the production of 1,4-butanediol comprising the preparation of a fermentation broth comprising 1,4-butanediol from renewable sources and water, separation of a liquid fraction comprising said 1,4-butanediol and water from one or more solid fractions, said liquid fraction comprising 2-pyrrolidone in an amount higher than 80 ppm, one or more passages of the resulting liquid fraction through a bed comprising one or more cation-exchange resins thereby providing an output pH of said liquid fraction from 4 to 2, one or more passages of the resulting liquid fraction through a bed comprising one or more anion-exchange resins thereby providing an output pH of said liquid fraction from 8 to 11, and the distillation of the liquid fraction thereby provided so as to obtain a composition having a concentration of said 1,4-butanediol higher than 99.0% by weight and comprising 2-pyrrolidone in an amount lower than 6 ppm.

Abstract: The present invention relates to a film comprising at least one biodegradable layer (i) having an elastic modulus of more than 450 MPa, consisting of a mixture of polyhydroxyalkanoate constituting the continuous phase and aliphatic and/or aliphatic-aromatic polyester constituting the discontinuous phase, and at least one coating layer (ii) preferably capable of having barrier effects against gases and liquids. The surface of said layer (i) will have a root mean square roughness Sq of more than 10 nm and less than 45 nm, measured by atomic force microscopy (AFM). The film is particularly suitable for use in food packaging.

Abstract: The invention relates to a process for the production of 1,4-butanediol comprising the preparation of a fermentation broth comprising 1,4-butanediol from renewable sources and water, separation of a liquid fraction comprising said 1,4-butanediol and water from one or more solid fractions, said liquid fraction comprising 2-pyrrolidone in an amount higher than 80 ppm, one or more passages of the resulting liquid fraction through a bed comprising one or more cation-exchange resins thereby providing an output pH of said liquid fraction from 4 to 2, one or more passages of the resulting liquid fraction through a bed comprising one or more anion-exchange resins thereby providing an output pH of said liquid fraction from 8 to 11, and the distillation of the liquid fraction thereby provided so as to obtain a composition having a concentration of said 1,4-butanediol higher than 99.0% by weight and comprising 2-pyrrolidone in an amount lower than 6 ppm.

Abstract: Provided is a stable aqueous dispersion suitable for application to different substrates and especially to paper substrates for producing a barrier layer against compounds of the saturated and aromatic hydrocarbon type. The aqueous dispersion comprises destructurized starch in a complexed form. Also provided is the use of aqueous dispersion as a coating composition for paper based substrates, as a microencapsulant of fragrances and as a film-forming component for paints.

Abstract: Disclosed are aliphatic-aromatic biodegradable polyesters obtained from aliphatic dicarboxylic acids comprising azelaic acid, sebacic acid, suberic acid, brassylic acid and their esters; polyfunctional aromatic acids of renewable origin and particularly 2,5-furan dicarboxylic acid, and diols, such as 1,2-ethanediol, 1,2-propanediol, 1,3-propanediol, 1,4-butanediol, 1,5-pentanediol, 1,6-haxanediol, 1,7-heptanediol, 1,8-octanediol, 1,9-nonanediol, 1,10-decanediol, 1,11-undecanediol, 1,12-dodecanediol, 1,13-tridecanediol, 1,4-cyclohexanedimethanol, propylene glycol, neopentyl glycol, 2-methyl-1,3-propanediol, dianhydrosorbitol, dianhydromannitol, dianhydroiditol, cyclohexanediol, cyclohexane-methanediol, aromatic diols such as phenols, and furan diol. Also disclosed are blends of the polyesters with other biodegradable polymers of either natural or synthetic origin.

Abstract: This invention relates to a biodegradable polyester which is particularly suitable for use in the manufacture of mass-produced articles characterised by excellent mechanical properties, in particular high tensile strength, elongation and tensile modulus, associated with a high barrier property against oxygen and carbon dioxide.

Abstract: A polymer composition comprising at least two polyesters having improved mechanical properties including a good balance between ultimate tensile strength, elastic modulus and elongation on failure. In particular, the composition comprises from 1 to 99% by weight of at least one aromatic polyester (AP) comprising units from a diol component and units from an acid component, the units from the acid component comprising from 70 to 100 mol % of repeating units from at least one heterocyclic polyfunctional aromatic acid of renewable origin and from 99 to 1% by weight of at least a second aliphatic-aromatic polyester (AAPE). This composition is suitable for producing articles such as films, moulded objects, thermoformed objects or expanded articles. The heterocyclic aromatic acid is 2,5-furandicarboxylic acid and the aliphatic-aromatic polyester is biodegradable and is a copolyester comprising repeating units from aromatic acid of the phthalic acid type, aliphatic diacids, and aliphatic diols.

Abstract: The invention relates to a process for the production of 1,4-butanediol comprising the preparation of a fermentation broth comprising 1,4-butanediol from renewable sources and water, separation of a liquid fraction comprising said 1,4-butanediol and water from one or more solid fractions, said liquid fraction comprising 2-pyrrolidone in an amount higher than 80 ppm, one or more passages of the resulting liquid fraction through a bed comprising one or more cation-exchange resins thereby providing an output pH of said liquid fraction from 4 to 2, one or more passages of the resulting liquid fraction through a bed comprising one or more anion-exchange resins thereby providing an output pH of said liquid fraction from 8 to 11, and the distillation of the liquid fraction thereby provided so as to obtain a composition having a concentration of said 1,4-butanediol higher than 99.0% by weight and comprising 2-pyrrolidone in an amount lower than 6 ppm.