Abstract:
A transfer device for transferring a folding box from a magazine that accommodates flat folding boxes, to a transport device comprises a holding device which takes over the folding box, holds it during transfer, and can be moved along a cycloid path having several turning points and intermediate curved sections. The transfer device comprises a basic lever which performs a continuous steady rotary motion, a first lever pair comprising a first lever which is pivotably disposed on the basic lever via a first joint, and a second lever which is pivotably disposed on the first lever via a second joint, and a second lever pair comprising a third lever which is pivotably disposed on the basic lever via a third joint, and a fourth lever which is pivotably disposed on the third lever via a fourth joint. The holding device is mounted to a holding block which is pivotably connected to the second lever of the first lever pair via a further joint. A pivotably disposed guiding part is provided, which has a linear guidance. A carriage part is formed on the holding block, which is seated on the linear guidance and can be moved along the linear guidance. The first lever pair has a first curve roller which is in engagement with a first control cam, and the second lever pair has a second curve roller which is in engagement with a second control cam.
Abstract:
A transfer device for transferring a folding box from a magazine that accommodates flat folding boxes, to a transport device comprises a holding device which takes over the folding box, holds it during transfer, and can be moved along a cycloid path having several turning points and intermediate curved sections. The transfer device comprises a basic lever which performs a continuous steady rotary motion, a first lever pair comprising a first lever which is pivotably disposed on the basic lever via a first joint, and a second lever which is pivotably disposed on the first lever via a second joint, and a second lever pair comprising a third lever which is pivotably disposed on the basic lever via a third joint, and a fourth lever which is pivotably disposed on the third lever via a fourth joint. The holding device is mounted to a holding block which is pivotably connected to the second lever of the first lever pair via a further joint. A pivotably disposed guiding part is provided, which has a linear guidance. A carriage part is formed on the holding block, which is seated on the linear guidance and can be moved along the linear guidance. The first lever pair has a first curve roller which is in engagement with a first control cam, and the second lever pair has a second curve roller which is in engagement with a second control cam.
Abstract:
The invention relates to a method of producing silane or hydrochlorosilanes by disproportionation of a higher chlorinated hydrochlorosilane or a mixture of said hydrochlorosilanes in the presence of a catalyst. Before the catalyst is used, it is a) washed with hyper-pure water in one or several steps; b) transferred in the water-moist state to the reactor in which the disproportionation is to proceed; c) treated in the reactor with boiling methanol or rinsed with anhydrous methanol; and d) the methanol is removed from the catalyst by evacuation and/or stripping with inert gas. The invention further relates to a method for treating disproportionation catalysts.
Abstract:
The present invention relates to a process for preparing cycloalkadienes using supported catalysts based on Re2O7/γ-Al2O3 and also to the use of the resulting cycloalkadienes for the preparation of fragrances.
Abstract translation:本发明涉及一种使用基于Re 2 O 7 /γ-Al 2 O 3的负载催化剂制备环链二烯的方法 也是使用所得的环链烯二烯制备香料。
Abstract:
The present invention relates to a process for the production of a dinitronaphthalene isomer mixture, in which naphthalene and/or 1-nitronaphthalene is reacted with nitric acid in the presence of a zeolite.
Abstract:
Urethanes are prepared by oxidative carbonylation of at least one amino compound in the presence of carbon monoxide, oxygen and organic, at least one hydroxyl-group-carrying compound. The carbonylation is carried out in the absence of halogen-containing promoters. The carbonylation is also carried out in the presence of a metal complex catalyst which contains neutral bidentate N-chelate ligands of the (N˜N) type, two monoanionic N,O-chelate ligands of the general type (N˜O)− or tetradentate dianionic chelate ligands (O˜N˜N˜O)2−.
Abstract:
The present invention relates to a novel catalyst for producing N-substituted carbamates, the preparation of the catalyst and an improved method for producing N-substituted carbamates from these novel catalysts. The active component of the catalyst is a heteropoly acid and the catalyst support comprises a metal oxide or a metalloid oxide. The catalyst can be used to promote the reaction of carbamate and amine, thereby generating N-substituted carbamates with high yield. In the presence of the catalyst, the reaction conditions are relatively mild, the catalytic activity and selectivity of the reaction are high, and the reaction time is relatively short. Furthermore, the catalyst can be conveniently separated from the reaction system and recycled. therefore, the catalyst can be used to facilitate the further scale-up test and commercial application.
Abstract:
The present invention relates to a novel catalyst for producing N-substituted carbamates, the preparation of the catalyst and an improved method for producing N-substituted carbamates from these novel catalysts. The active component of the catalyst is a heteropoly acid and the catalyst support comprises a metal oxide or a metalloid oxide. The catalyst can be used to promote the reaction of carbamate and amine, thereby generating N-substituted carbamates with high yield. In the presence of the catalyst, the reaction conditions are relatively mild, the catalytic activity and selectivity of the reaction are high, and the reaction time is relatively short. Furthermore, the catalyst can be conveniently separated from the reaction system and recycled. therefore, the catalyst can be used to facilitate the further scale-up test and commercial application.
Abstract:
The present invention relates to supported catalysts based on Re2O7/(—Al2O3 for use in the preparation of cycloalkadienes in a metathesis reaction, a process for preparing cycloalkadienes in the presence of these supported catalysts and also the use of the resulting cycloalkadienes for preparing fragrances.
Abstract translation:本发明涉及用于使用的基于Re 2 N 2 O 3的(N 1 -O 2 O 3)3的支持的催化剂 在复分解反应中制备环链烯二烯时,在这些负载的催化剂存在下制备环链二烯的方法,以及使用所得的环链二烯制备香料。