An efficient method for the preparation of dialkoxymethanes from dichloromethane with alcohols catalyzed by a Cu-NHC complex
作者:Lewu Zhan、Renming Pan、Ping Xing、Biao Jiang
DOI:10.1016/j.tetlet.2016.07.056
日期:2016.9
A facile, rapid and efficient method for the preparation of dialkoxymethanes from dichloromethane with alcohols catalyzed by a Cu-NHC complex is reported. A variety of symmetrical dialkoxymethanes can be prepared under mild condition in excellent yields (up to 98%). The unsymmetrical ether is also obtained in 89% yield from the etherification of p-tolylmethanol and n-butyl chloride catalyzed by ICyCuCl
Aminosilyl-Substituted Diarylethene Compounds for Anionic Polymerisation
申请人:Trinseo Europe GmbH
公开号:US20170204119A1
公开(公告)日:2017-07-20
The invention related to novel compounds useful as modifying monomers and precursors for polymerization initiators. The invention further relates to a method of making the polymerization initiators and resulting polymers. The invention also relates to polymer compositions comprising the polymer of the invention and further components such as extender oils, fillers, vulcanizing agents etc., and to corresponding vulcanized polymer compositions and articles comprising vulcanized parts made from the vulcanized polymer composition.
[EN] METALLATED BENZYLSILANES AND THEIR USE AS POLYMERIZATION INITIATORS<br/>[FR] BENZYLSILANES MÉTALLÉS ET LEUR UTILISATION EN TANT QU'INITIATEURS DE POLYMÉRISATION
申请人:TRINSEO EUROPE GMBH
公开号:WO2018150043A1
公开(公告)日:2018-08-23
The invention relates to novel compounds useful as polymerization initiators or precursors for polymerization initiators. The invention further relates to a method of making the polymerization initiators and resulting polymers. The invention also relates to polymer compositions comprising the polymer of the invention and further components such as extender oils, fillers, vulcanizing agents etc., and to corresponding vulcanized polymer compositions and articles comprising vulcanized parts made from the vulcanized polymer composition.
Modified macromolecular compounds obtainable by using specific amino silane polymerization initiator compounds and optionally chain end-modifying compounds are described. Polymer compositions including such modified macromolecular compounds and the use of such compositions in the preparation of vulcanized (crosslinked) elastomeric polymer compositions and articles are described.
Hydrogenated modified polymer, process for producing the same and composition containing the same
申请人:JSR Corporation
公开号:US20030100683A1
公开(公告)日:2003-05-29
An objective of the present invention is to provide a hydrogenated modified polymer which can afford a molded body excellent in improvement in the balance among the impact resistance, the strength, the adherability and as the appearance, and a process for producing the same as well as a composition containing the same. Another objective is to provide a composition which can afford a molded body excellent in the balance among the flame retardancy, the tensile strength, the tensile extension, the heat resistance, the characteristic at low temperature, the insulation property, the pliability and the like. The hydrogenated modified polymer of the invention is a hydrogenated polymer of a modified conjugated diene-based polymer obtained by reacting an alkoxysilane compound to a polymer which is polymerized a conjugated diene or a conjugated diene and another monomer using an organic alkali metal compound as a polymerization initiator in an inert organic solvent such as cyclohexane and the like. The hydrogenated modified polymer composition of the invention contains the above-mentioned hydrogenated modified polymer and at least one selected from the group consisting of nonpolar polymer, polar polymer and filler.