Abstract:
Method for the manufacture of 5-alkoxymethylfurfural derivatives by reacting a fructose and/or glucose-containing starting material with an alcohol in the presence of a catalytic or sub-stoechiometric amount of heterogeneous acid catalyst. The catalysts may be employed in a continuous flow fixed bed or catalytic distillation reactor. The ethers can be applied as a fuel or fuel additive.
Abstract:
Method for the manufacture of 5-alkoxymethylfurfural derivatives by reacting a fructose and/or glucose-containing starting material with an alcohol in the presence of a catalytic or sub-stoechiometric amount of heterogeneous acid catalyst. The catalysts may be employed in a continuous flow fixed bed or catalytic distillation reactor. The ethers can be applied as a fuel or fuel additive.
Abstract:
The invention relates to a system for performing parallel chemical experiments. The system comprises an array of parallel flow through reactors each comprising a reaction chamber, a reactor inlet and a reactor outlet connected to the reactor chamber. Downstream of each reactor a corresponding active pressure regulating arrangement is provided for actively regulating the reactor pressure. The pressure regulating arrangement comprises a passage for reactor effluent with an inlet connected to the reactor outlet and an outlet for discharging reactor effluent at a reduced pressure with respect to the reactor pressure.
Abstract:
Method for the manufacture of 5-hydroxymethylfurfural derivatives by reacting a fructose and/or glucose-containing starting material with an alcohol in the presence of a catalytic or sub-stoichiometric amount of solid (“heterogeneous”) acid catalyst. The catalysts may be employed in a continuous flow fixed bed or catalytic distillation reactor. The ethers can be applied as a fuel or fuel additive.
Abstract:
A laboratory degradation test system for testing degradation of a test specimen in a test fluid flow includes a reactor assembly, which reactor assembly comprises: a reactor vessel, the reactor vessel having a reaction space, an inlet and an outlet and a specimen holder for retaining a test specimen inside the reactor vessel, a heater for heating the reactor vessel, a fluid circulation system generating a test fluid flow over the test specimen, which fluid circulation system comprises: a circulation line which extends between the outlet of the reactor vessel and the inlet of the reactor vessel, which circulation line is arranged outside the reactor vessel, a pump for providing fluid circulation through the circulation line and the reactor vessel, which pump is arranged in the circulation line. The volume available to the test fluid inside the reaction space after insertion of the degradation test specimen is less than or equal to 10 ml.
Abstract:
Method for the manufacture of 5-alkoxymethylfurfural derivatives by reacting a fructose and/or glucose-containing starting material with an alcohol in the presence of a catalytic or sub-stoechiometric amount of solid (“heterogeneous”) acid catalyst. The catalysts may be employed in a continuous flow fixed bed or catalytic distillation reactor. The ethers can be applied as a fuel or fuel additive.
Abstract:
Method for the manufacture of organic acid esters of 5-hydroxymethylfurfural by reacting a fructose or glucose-containing starting material with an organic acid or its anhydride in the presence of a catalytic or sub-stoechiometric amount of solid acid catalyst. The catalysts are heterogeneous and may be employed in a continuous flow fixed bed reactor. The esters can be applied as a fuel or fuel additive.
Abstract:
The current invention provides a method for the manufacture of an ether of 5-hydroxymethylfurfural by reacting a hexose-containing starting material with a branched C3-C20 monoalcohol in the presence of a catalytic or sub-stoichiometric amount of an acid catalyst.
Abstract:
The current invention provides a method for the manufacture of 5-(substituted methyl) 2-methylfuran by reacting 5-(substituted methyl) furfural with hydrogen and a catalyst system, comprising of one or more catalysts. Within the scope of the current invention is the use of 5-(substituted methyl) furfural, and in particular 5-hydroxymethylfurfural and the ethers or esters thereof, which may be obtained from C6 sugars.
Abstract:
Shaped parts of ultra high molecular weight polyethylene (UHMWPE) are made by a process comprising melt processing, wherein a) the UHMWPE has a weight average molecular weight (Mw) of at least 1*106 g/mol, b) during the shaping the storage plateau modulus of the UHMWPE (G*) is kept at a value of at most 1.5 MPa, c) whereafter, before the cooling, the G* is raised to its final value. The shaped parts may advantageously be used in medical applications, e.g., as an element of a hip or knee prosthesis.