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- R is tetramethylene, pentamethylene, or hexamethylene. r为四甲撑、五甲撑或六甲撑。
- hexamethylene imine 六亚甲基亚胺
- The Study in Aza-Diels-Alder Reaction of Aryl Imines with Cyclopentadiene. 芳香亚胺化合物与环戊二烯的Aza-Diels-Alder反应研究
- HDI (Hexamethylene diisocyanate) is one of special aliphatic diisocyanate. HDI(六亚甲基二异氰酸酯)是特种脂肪族二异氰酸酯。
- Epoxides, episulphides and ethylene imines also polymerize via similar cyclic onium ion mechanisms. 环氧化合物,环硫化合物和乙烯亚胺也可以按类似于环氧?睦胱拥幕?理进行聚合。
- The tendency of preparing adipic acid and hexamethylene diamine from non-benzene materials is also introduced. 此外,还介绍了以非苯原料制备己二酸、己二胺的开发情况和市场动向。
- These are converted by a series of chemical steps into hexamethylene diamine and adipicacid. 通过一系列的化学过程将这些物质转化成已导致胺和已二酸。
- By the modification of hexamethylene diisocyanate (HDI),a new curing agent HDI oligomer was prepared. 合成了以HDI改性的烯类单体齐聚物。
- The asymmetric hydrosilylation of imines and oximes is surveyed.The future of studies in this field is also predicted. 综述了亚胺和肟类化合物催化不对称硅氢化反应的研究进展,并展望了研究前景。
- We want to set up a joint venture to cooperate for expanded production ethylene imines, propylene imines and its ramification. 希望能够合资扩大生产乙烯亚胺、丙烯亚胺及其衍生物。
- To our knowledge, however, it has never been used for reductive amination of carbonyl compounds, nor for reduction of pre-formed imines. 可是据我们所知,它还从来没有被用于羰基的还原氨化和用于一个已制亚胺的还原。
- The MG-63 cells treated by hexamethylene bisacetamide(HMBA) were investigated as a positive control of induced differentiation. 环六亚甲基双乙酰胺(HMBA)处理MG-63细胞作为分化诱导效果的阳性对照。
- A polyurethane adhesive with high light stability was prepared using hexamethylene diisocyanate and used for bonding PVC, PU and leather. 采用己二异氰酸酯为原料,制备光稳定性的聚氨酯胶粘剂,用于PVC.PU及牛皮革的粘接。
- Transition metal complexes of hexamethylene tetramine are synthesized by solid state reaction and their thermochromism is investigated by TG-DSC spectra. 摘要研究了六次甲基四胺的过渡金属配合物的固相合成及其热色性。
- The HDS, HDN and HDY activities of the catalysts were tested with model compounds consisted of thiophene, dibenzothiophene, pyridine, quinoline, cyclohexene, hexamethylene. 以噻吩、吡啶、二苯并噻吩、喹啉、环己烯、环己烷等组成的模型化合物,对催化剂的HDS、HDN及HDY性能进行了评价。
- Ketimine,which is prepared by acetone and ethylene diamine or hexamethylene diamine was used as potential chain extender to improve the properties of aqueous polyurethane resin. 用丙酮分别和乙二胺、己二胺反应制备酮亚胺,并以其作为潜伏性扩链剂改善水性聚氨酯(PU)的性能。
- Lignin-based polyurethane was synthesized by using l ignin, 2,4-tolulene diisocyanate(2,4-TDI) and hexamethylene diisocyanate(HDI),its properties were determined. 利用木素和两种二异氰酸酯合成了聚氨酯,对其热性能、力学性能、膨胀性能进行了测试。
- A lot of organic groups were attached to the sidewall and tips of MWNTs grafted by Hexamethylene diamine which could improve its dispersion in organic solvents remarkably. 接枝后的碳管表面含有大量的有机基团,提高了其在有机溶剂中的分散性。
- The recent advances in external ligand-mediated addition of organometallic reagents to imines for the asymmetric synthesis of chiral amines are reviewed. 本文对近年来外加配体参与的有机金属化合物对亚胺的不对称加成反应,特别是催化合成手性胺类化合物的研究进展作一概述。
- Monomethyl succinate has been prepared, using succinic anhydride and methanol as raw-materials and hexamethylene as reaction medium. The method is characteristic of easy operation control and high yield. 以丁二酸酐和甲醇为原料制备了丁二酸单甲酯.;用环己烷作反应介质;操作易于控制;产物收率高