Basf Se Corporation

Basf Aktiengesellschaft

Dow Global Technolgoies LLC

Christian Mueller

Markus Weber

Joaquim Henrique Teles

Ulrich Mueller

Andrei-Nicolae Parvulescu

Dominic Riedel

Ulrike Wegerle

Daniel Urbanczyk

Nicolai Tonio Woerz

Hans-Juergen Luetzel

Bernd Metzen

Marvin Kramp

Eckhard Stroefer

Heiner Schelling

Andreas Woelfert

Ansgar Gereon Altenhoff

Andreas Kunst

Christoph Mueller

Tobias Keller

Carsten Knoesche

Meinolf Weidenbach

Joachim Pfeffinger

Kirsten Dahmen

Georg Uhl

Werner J Witzl

Thomas Reissner

Rolf Pinkos

Harald Rust

Alexander Panchenko

Michael Henningsen

Andreas Brodhagen

Gerd-Dieter Tebben

Anton Meier

Alexander Hauk

Jean-Pierre Berkan Lindner

Stephan Weinkoetz

Michael Schelper

Monika Charrak

Achim Kaffee

Frank Reuter

Sabrina Kronig

Tanja Kirchner

Fatemeh Ahmadnian

Karsten Luecke

Susanne Szeschkus

Xiana Romani Fernandez

Harald Wuerz

Jochen Mannweiler

Timo Henn

Thomas Luederitz

Ruediger Schmitt

Aggeliki Quell

Beatrice Roessler-Feigel

The present invention relates to a method for producing isocyanate based lignocellulose materials in the presence of caprolactam, oligomers of caprolactam or mixtures thereof. The present invention also relates to the lignocellulose materials thus obtained and their use in furniture construction, housing construction, interior design and exhibition construction.

Method for producing lignocellulose materials in the presence of caprolactam and oligomers of caprolactam

Use of an acid-treated titanium-containing zeolitic material having framework type MWW for preparing a composition having a relative plasticity of less than 1.

Use of an acid treatment to decrease the plasticity of a composition comprising a titanium-containing zeolitic material having framework type MWW

A process for preparing an extrudable composition comprising a titanium-containing zeolitic material having framework type MWW, the process comprising providing a titanium-containing zeolitic material having framework type MWW, having a water absorption capacity of at least 11 weight-%, subjecting the titanium-containing zeolitic material having framework type MWW an acid treatment, optionally incorporating zinc in the acid-treated titanium-containing zeolitic material having framework type MWW; preparing a composition comprising the titanium-containing zeolitic material having framework type MWW obtained from (ii) or (iii), a precursor of a silica binder, water, and a kneading agent, wherein the composition does not comprise a polyethylene oxide.

Process for preparing an extrudable composition comprising a titanium-containing zeolitic material, having framework type MWW

The invention relates to a process for preparing propylene oxide, comprising (i) providing a stream comprising propene, propane, hydrogen peroxide or a source of hydrogen peroxide, water, and an organic solvent; (ii) passing the liquid feed stream provided in (i) into an epoxidation zone comprising an epoxidation catalyst comprising a titanium zeolite, and subjecting the liquid feed stream to epoxidation reaction conditions in the epoxidation zone, obtaining a reaction mixture comprising propene, propane, propylene oxide, water, and the organic solvent; (iii) removing an effluent stream from the epoxidation zone, the effluent stream comprising propene, propane, propylene oxide, water, and the organic solvent; (iv) separating propene and propane from the effluent stream by distillation, comprising subjecting the effluent stream to distillation conditions in a distillation unit, obtaining a gaseous stream (S) which is enriched in propene and propane compared to the effluent stream subjected to distillation conditions, and a liquid bottoms stream (S) which is enriched in propylene oxide, water and organic solvent compared to the effluent stream subjected to distillation conditions; (v) separating propane from the stream (S) in a separation zone, comprising subjecting the stream (S) to washing conditions in a scrubber, wherein a solvent mixture comprising organic solvent and water is added as entraining agent, obtaining a bottoms stream (S), which comprises organic solvent, water and at least 70 weight-% of the propene comprised in (S); and a gaseous top stream (S), which comprises at least 5 weight-% of the propane comprised in stream (S).

Propene recovery by scrubbing with a solvent/water mixture

A process for preparing a molding comprising zinc and a titanium-containing zeolitic material having framework type MWW, comprising (i) providing a molding comprising a titanium-containing zeolitic material having framework type MWW; (ii) preparing an aqueous suspension comprising a zinc source and the molding comprising a titanium-containing zeolitic material having framework type MWW prepared in (i); (iii) heating the aqueous suspension prepared in (ii) under autogenous pressure to a temperature of the liquid phase of the aqueous suspension in the range of from 100 to 200&#xb0; C., obtaining an aqueous suspension comprising a molding comprising zinc and a titanium-containing zeolitic material having framework type MWW; (iv) separating the molding comprising zinc and a titanium-containing zeolitic material having framework type MWW from the liquid phase of the suspension obtained in (iii).

Process for preparing a molding comprising zinc and a titanium-containing zeolite

Disclosed is a process for purifying propylene oxide. A stream Scontaining propylene oxide, acetonitrile, water, and an organic compound containing one or more of acetone and propionaldehyde is provided. Propylene oxide is separated from Sby subjecting Sto distillation in a first distillation unit, obtaining a gaseous top stream Senriched in propylene oxide, a liquid bottom stream Senriched in acetonitrile and water, and a side stream Scontaining propylene oxide and enriched in the carbonyl compound; reacting the carbonyl compound in Swith an organic compound containing an amino group to obtain a reaction product; separating propylene oxide from the reaction product in a second distillation unit, obtaining a gaseous top stream Senriched in propylene oxide and a liquid bottoms stream Senriched in the reaction product; and introducing stream Sinto the first distillation unit.

Process for purifying propylene oxide

Disclosed herein is a process for purifying propylene oxide, including the steps of: (i) providing a stream S0 containing propylene oxide, acetonitrile, water, and an organic compound containing a carbonyl group &#x2014;C(&#x2550;O)&#x2014;; and (ii) separating propylene oxide from the stream S0 by subjecting the stream S0 to distillation conditions in a distillation column to obtain a gaseous top stream S1c which is enriched in propylene oxide compared to the stream S0, a liquid bottoms stream S1a which is enriched in acetonitrile and water compared to the stream S0, and a side stream S1b containing propylene oxide which is enriched in the carbonyl compound compared to the stream S0.

A continuous process for the preparation of propylene oxide, comprising a start-up stage and normal run stage, wherein the normal run stage comprises (i) continuously providing a liquid feed stream comprising propene, hydrogen peroxide, acetonitrile, a formate salt, water and optionally propane, wherein in the liquid feed stream, the molar amount of the formate salt relative to the molar amount of hydrogen peroxide at a given point of time during the normal run stage is a(Fo/HO); (ii) continuously passing the liquid feed stream provided in (i) into an epoxidation zone comprising a catalyst comprising a titanium zeolite having framework type MWW, and subjecting the liquid feed stream to epoxidation reaction conditions in the epoxidation zone, obtaining a reaction mixture comprising propylene oxide, acetonitrile, water, the formate salt, optionally propene, and optionally propane; (iii) continuously removing an effluent stream from the epoxidation zone, the effluent stream comprising propylene oxide, acetonitrile, water, at least a portion of the formate salt, optionally propene, and optionally propane; wherein the normal run stage is characterized in an average rate of change of a(Fo/HO) of less than 0 h.

Process for the preparation of propylene oxide

The present invention is related to a process for preparing propylene oxide, comprising (i) providing a stream comprising propene, hydrogen peroxide or a source of hydrogen peroxide, water, and an organic solvent; (ii) passing the liquid feed stream provided in (i) into an epoxidation zone comprising an epoxidation catalyst comprising a titanium zeolite, and subjecting the liquid feed stream to epoxidation reaction conditions in the epoxidation zone, obtaining a reaction mixture comprising propene, propylene oxide, water, and the organic solvent; (iii) removing an effluent stream from the epoxidation zone, the effluent stream comprising propylene oxide, water, organic solvent, and propene; (iv) separating propene from the effluent stream by distillation, comprising (iv.1) subjecting the effluent stream to distillation conditions in a distillation unit, obtaining a gaseous top stream Senriched in propene compared to the effluent stream subjected to distillation conditions, and a liquid bottoms stream Senriched in propylene oxide, water and organic solvent compared to the effluent stream subjected to distillation conditions; (iv.2) returning a condensed portion of the stream Sto an upper part of the distillation unit.

Process for preparing propylene oxide

The present invention relates to a process for preparing polyamines having a mean molecular weight of &#x2265;203 g/mol, in which the deviation from the mean molecular weight per &#xb0; C. of change in the reaction temperature is &#x3c;19% of the mean molecular weight, by polycondensation of diamines in the liquid phase in the presence of heterogeneous catalysts based on transition metals of the eighth to eleventh transition groups of the Periodic Table of the Elements and hydrogen at temperatures of 100 to 250&#xb0; C. and pressures in the range from 60 to 150 bar, to the polyamines obtainable by this process, and to the use of the polyamines.

Process for preparing polyamines

The present invention relates to the use of substantially linear polypropyleneimine as a hardener for epoxy resins, and also to a corresponding curable composition, to the curing thereof, and to the cured epoxy resin obtainable therefrom.

Use of polypropyleneimine as curing agent for epoxide resins

The present invention relates to polyamines and to a process for preparing polyamines.

Polyamines and process for preparation thereof

The invention relates to a process for preparing aromatic diisocyanates by reaction of phosgene with diamines in the gas phase, in which the reaction is carried out in a reaction zone at moderate pressures, i.e. the pressure in this reaction zone is more than 3 bar and less than 20 bar.

Moderate-pressure gas phase phosgenation

The present application relates to a process for reacting a composition I comprising at least one aldehyde with hydrogen in the presence of a catalyst in at least one main reactor and at least one postreactor, wherein at least 50% of the fresh hydrogen fed to the reaction system is fed into at least one postreactor. In a preferred embodiment, composition I comprises at least one further organic compound.

Method for the hydrogenation of mass fluxes containing aldehyde

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Ludwigshafen, Germany

Christian Mueller