Abstract:
Described is a method for processing cellulose-containing biomass with sulfuric acid and certain additives, especially for the pretreatment of cellulose-containing biomass prior to saccharification.
Abstract:
Disclosed herein is a method of making and/or isolating isoidide, a composition including a mixture including non-esterified isoidide and one or both compounds selected from the group consisting of esterified isosorbide and esterified isomannide and a method of using of such composition for making and/or isolating isoidide. Further disclosed herein is a method including a step of selective esterification of a mixture of dianhydrohexitol isomers including isoidide for separating isoidide from said mixture of dianhydrohexitol isomers. Moreover, a method of making a polymer including isoidide monomers or modified isoidide monomers is disclosed.
Abstract:
The invention relates to a method for producing hexamethylenediamine, wherein a) a muconic acid starting material is provided, which is selected from among muconic acid, esters of muconic acid, lactones of muconic acid, and mixtures thereof, b) the muconic acid starting material is subjected to a reaction with hydrogen in the presence of at least one hydrogenation catalyst in order to form 1,6-hexanediol, and c) the 1,6-hexanediol obtained in step b) is subjected to amination in the presence of an amination catalyst in order to obtain hexamethylenediamine. The invention further relates to hexamethylenediamine which can be produced by means of said method.
Abstract:
The invention relates to a process for preparing hexane-1,6-diol, in which a) a muconic acid starting material is provided, selected from muconic acid, esters of muconic acid, lactones of muconic acid and mixtures thereof, b) the muconic acid starting material is subjected to a reaction with hydrogen in the presence of at least one hydrogenation catalyst to hexane-1,6-diol, and c) the output from the hydrogenation in step b) is subjected to a distillative separation to obtain hexane-1,6-diol.
Abstract:
The present invention relates to tetrahydrofuran derivatives, a plasticizer composition containing said tetrahydrofuran derivatives, molding materials containing a thermoplastic polymer and such a tetrahydrofuran derivative, to a process for the production of these tetrahydrofuran derivatives and their use.
Abstract:
Described is a method for processing cellulose-containing biomass with sulfuric acid and certain additives, especially for the pretreatment of cellulose-containing biomass prior to saccharification.
Abstract:
The present invention relates to a process for producing nylon-6,6 by a) providing a muconic acid starting material selected from muconic acid, esters of muconic acid, lactones of muconic acid and mixtures thereof, b) subjecting the muconic acid starting material provided in step a) at least to some extent to a reaction with hydrogen in the presence of at least one hydrogenation catalyst Hb) to give adipic acid, c1) subjecting the muconic acid starting material provided in step a) to some extent to a reaction with hydrogen in the presence of at least one hydrogenation catalyst Hc1) to give 1,6-hexanediol, or c2) subjecting the adipic acid obtained in step b) to some extent to a reaction with hydrogen in the presence of at least one hydrogenation catalyst Hc2) to give 1,6-hexanediol, d) subjecting the 1,6-hexanediol obtained in step c1) or c2) to amination in the presence of an amination catalyst to obtain hexamethylenediamine, e) subjecting the hexamethylenediamine obtained in step d) and at least a portion of the adipic acid obtained in step b) to polycondensation to obtain nylon-6,6.
Abstract:
The present invention relates to a plasticizer composition which comprises at least one furan derivative and at least one 1,2-cyclohexanedicarboxylate ester, molding compounds which comprise a thermoplastic polymer or an elastomer and such a plasticizer composition and the use of these plasticizer compositions and molding compounds.
Abstract:
The invention relates to tetrahydrofuran derivatives of general formula (I), wherein X stands for *—(C═O)—O—, *—(CH2)n-O—, or *—(CH2)n-O—(C═O)—, wherein * represents the point of bonding to the tetrahydrofuran ring and n has the value 0, 1, or 2; and R1 and R2 are selected independently of each other from among C4-C5 alkyl and C5-C6 cycloalkyl, wherein the cycloalkyl groups are unsubstituted or can be substituted by at least one C1-C10 alkyl group, a plasticizer composition that contains said tetrahydrofuran derivatives, molding masses that contain a thermoplastic polymer or an elastomer and such a tetrahydrofuran derivative. The invention further relates to a method for producing said tetrahydrofuran derivatives, and to the use of said tetrahydrofuran derivatives