Abstract: Aliphatic-aromatic copolyester comprising the repeating units, which comprise a dicarboxylic component and a dihydroxylic component: —[—O—(R11)—O—C(O)—(R13)—C(O)—]— —[—O—(R12)—O—C(O)—(R14)—C(O)—]—. The dihydroxylic component comprises units —O—(R11)—O— and —O—(R12)—O— from diols, wherein R11 and R12 individually are selected from C2-C14 alkylene, C5-C10 cycloalkylene, C2-C12 oxyalkylene, heterocycles and mixtures thereof. The dicarboxylic component comprises units —C(O)—(R13)—C(O)— from aliphatic diacids and units —C(O)—(R14)—C(O)— from aromatic diacids, wherein R13 is C0-C20 alkylene and mixtures thereof. The aromatic diacids comprise at least one heterocyclic aromatic diacid of renewable origin, and preferably furandicarboxylic acid. The molar percentage of the aromatic diacids is >90% and <100% of the dicarboxylic component. The aliphatic-aromatic copolyester has appreciable workability, toughness and high values for ultimate tensile strength and elastic modulus.

Abstract: This invention relates to a process for the selective hydrogenation of vegetable oils. In particular the invention relates to a process for the hydrogenation of vegetable oils which is capable of selectively converting polyunsaturated fatty acids into mono-unsaturated fatty acids and products obtained therefrom. The vegetable oils obtained from the process according to the invention have in particular a high mono-unsaturated fatty acids content and are particularly suitable for use as raw materials for the synthesis of chemical intermediates.

Abstract: Mixture of triglycerides obtained from vegetable oils comprising one or more of the following oligomeric structures: R4-[O—C(O)—R1-C(O)—O—CH2-CH(OR2)-CH2]n-O—R3 wherein R1 is selected from C2-C22 alkylenes, R2 is selected from one or more of the following groups consisting of C6-C24 dicarboxylic acid residues and C6-C24 monocarboxylic acid residues, R3 is selected from one or more of the following groups consisting of H, C6-C24 dicarboxylic acid residues and C6-C24 monocarboxylic acid residues, R4 is an alkyl group, n is an integer greater than or equal to 2, said C6-C24 dicarboxylic acid residues of R2 and R3 being esterified with monoalcohols and said mixture of triglycerides having a Numerical Average Molecular Weight (Mn) of between 800 and 10.000 Da.

Abstract: The invention relates to a process to prepare complex oligomeric structures obtained from vegetable oils. The process allows to use a mixture of triglycerides containing dicarboxylic acids produced by the oxidative cleavage of vegetable oils as a starting material, these oils being subjected to a step of heating (condensation) followed by a step of esterification with alcohols at temperatures up to 250° C.

Abstract: This invention relates to a process for the synthesis of 5-hydroxymethylfurfural (HMF) from saccharides. In particular this invention relates to a process for the dehydration of monosaccharides having 6 carbon atoms (hexoses), disaccharides, oligosaccharides, and polysaccharides to yield highly pure 5-hydroxymethylfurfural (HMF) in high yield.

Abstract: Elastomer composition comprising at least one elastomer and at least one vegetable oil derivative selected from one or more of: a. mixture of triglycerides comprising one or more of the following oligomeric structures: R4[OC(O)R1C(O)OCH2CH(OR2)CH2]nOR3 and said mixture of triglycerides having a Numerical Average Molecular Weight (Mn) of between 800 and 10,000, b. triglycerides of one or more long chain carboxylic acids including at least one carboxylic acid containing adjacent hydroxyl groups, c. esters of polyols with at least a monocarboxylic acid and at least a dicarboxylic acid, the said esters being other than triglycerides.

Abstract: Process for the synthesis of 2,5-furandicarboxylic acid through the oxidation of -hydroxymethylfurfural in a flow of oxygenor a compound containing oxygen, catalyzed by a supported catalyst containing a metal of the platinum group, carried out in aqueous solution in which the pH is maintained higher than 7 and lower than 12 through the addition of a weak base.

Abstract: A continuous process for the oxidative cleavage of vegetable oils containing triglycerides of unsaturated carboxylic acids, to obtain saturated carboxylic acids, comprising feeding to a first continuous reactor a vegetable oil, an oxidizing compound and catalyst capable of catalyzing the oxidation reaction of the olefinic double bond to obtain an intermediate compound containing vicinal diols: feeding to a second continuous reactor said intermediate compound, a compound containing oxygen and a catalyst capable of catalyzing the oxidation reaction of the vicinal diols to carboxylic groups, to obtain saturated monocarboxylic acids (i) and triglycerides containing saturated carboxylic acids with more than one acid function (ii); separating the saturated monocarboxylic acids (i) from the triglycerides (ii); hydrolyzing in a third reactor the triglycerides (ii) to obtain glycerol and saturated carboxylic acids with more than one acid function; and purifying said saturated carboxylic acids by fractioned crystalliza

Abstract: Provided is a continuous process for the oxidative cleavage of derivatives of unsaturated carboxylic acids for the production of saturated carboxylic acids and their derivatives which comprises the steps of: a) feeding to a first reactor at least a derivative of an unsaturated carboxylic acid, an oxidizing compound and a catalyst capable of catalyzing the oxidation reaction of the olefinic double bond to obtain an intermediate compound containing vicinal diols, and of b) feeding to a second reactor said intermediate compound, a compound containing oxygen and a catalyst capable of catalyzing the oxidation reaction of the vicinal diols to carboxylic groups, to obtain saturated monocarboxylic acids (i) and derivatives of saturated carboxylic acids with more than one acid function (ii); c) separating the saturated monocarboxylic acids (i) from the derivatives of carboxylic acids having more than one acid function (ii).

Abstract: Provided are mixtures of biodegradable polyesters comprising at least one polymer of natural origin and at least two aliphatic-aromatic polyesters of the diacid-diol type of which at least one with a high content of long chain aliphatic diacids of renewable origin showing excellent mechanical properties, sufficiently high melting temperatures, adequate crystallization rates, improved biodegradability properties as well as stability of physical properties over time.

Abstract: The invention relates to a process for the preparation of complex oligomeric structures obtained from vegetable oils. These structures comprise esters containing acid groups which are in turn esterified.

Abstract: Mixture of triglycerides obtained from vegetable oils comprising one or more of the following oligomeric structures: R4—[O—C(O)—R1—C(O)—O—CH2—CH(OR2)—CH2]n—O—R3 wherein R1 is selected from C2-C22 alkylenes, R2 is selected from one or more of the following groups consisting of C6-C24 dicarboxylic acid residues and C6-C24 monocarboxylic acid residues, R3 is selected from one or more of the following groups consisting of H, C6-C24 dicarboxylic acid residues and C6-C24 monocarboxylic acid residues, R4 is an alkyl group, n is an integer greater than or equal to 2, said C6-C24 dicarboxylic acid residues of R2 and R3 being esterified with monoalcohols and said mixture of triglycerides having a Numerical Average Molecular Weight (Mn) of between 800 and 10.000 Da.

Abstract: The present invention relates to a biodegradable composition comprising at least one polymer of natural origin and at least one aliphatic-aromatic copolyester obtained starting from mixtures comprising aliphatic diols, polyfunctional aromatic acids, and at least two aliphatic dicarboxylic acids, at least one of which is long chain. Said composition combines improved biodegradability, excellent mechanical properties, a high level of industrial processability, limited environmental impact as well as stability of physical properties under the influence of environmental factors.

Abstract: The invention relates to a process for the preparation of complex oligomeric structures obtained from vegetable oils. These structures comprise esters containing acid groups which are in turn esterified.

Abstract: This invention relates to a biodegradable polyester which is particularly suitable for use for the manufacture of wrapping films for packaging, comprising units deriving from at least one diacid and at least one diol, characterized by a high static friction coefficient in comparison with conventional biodegradable polyesters. A further object of this invention is a wrapping film comprising the said biodegradable polyester.

Abstract: This invention relates to a polyester characterised by noteworthy workability properties even when mixed with other polymers and being capable of being converted into products such as for example films, fibres, non-woven fabrics, sheets, moulded, thermoformed, blow-moulded and expanded articles, characterised by great toughness and high elongation at failure values. This invention also relates to processes for production of the said polyesters.

Abstract: Elastomer composition comprising at least one elastomer and at least one vegetable oil derivative selected from one or more of: a. mixture of triglycerides comprising one or more of the following oligomeric structures: R4[OC(O)R1C(O)OCH2CH(OR2)CH2]nOR3 and said mixture of triglycerides having a Numerical Average Molecular Weight (Mn) of between 800 and 10,000, b. triglycerides of one or more long chain carboxylic acids including at least one carboxylic acid containing adjacent hydroxyl groups, c. esters of polyols with at least a monocarboxylic acid and at least a dicarboxylic acid, the said esters being other than triglycerides.

Abstract: This invention relates to a biodegradable polymer composition which is particularly suitable for use in the manufacture of articles having a high heat deflection temperature (HDT) by injection moulding and thermoforming.

Abstract: There is described a continuous process for the oxidative cleavage of derivatives of unsaturated carboxylic acids for the production of saturated carboxylic acids and their derivatives comprising the steps of: a) feeding to a first reactor at least a derivative of an unsaturated carboxylic acid, an oxidizing compound and a catalyst capable of catalyzing the oxidation reaction of the olefinic double bond to obtain an intermediate compound containing vicinal diols, and of b) feeding to a second reactor said intermediate compound, a compound containing oxygen and a catalyst capable of catalyzing the oxidation reaction of the vicinal diols to carboxylic groups, to obtain saturated monocarboxylic acids (i) and derivatives of saturated carboxylic acids with more than one acid function (ii); c) separating the saturated monocarboxylic acids (i) from the derivatives of carboxylic acids having more than one acid function (ii).

Abstract: The present invention relates to mixtures comprising of biodegradable polyesters comprising at least one polymer of natural origin and at least two aliphatic-aromatic polyesters of the diacid-diol type of which at least one with a high content of long chain aliphatic diacids of renewable origin showing excellent mechanical properties, sufficiently high melting temperatures, adequate crystallization rates, improved biodegradability properties as well as stability of physical properties over time.