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- R is tetramethylene, pentamethylene, or hexamethylene. r為四甲撐、五甲撐或六甲撐。
- hexamethylene imine 六亞甲基亞胺
- The Study in Aza-Diels-Alder Reaction of Aryl Imines with Cyclopentadiene. 芳香亞胺化合物與環(huán)戊二烯的Aza-Diels-Alder反應研究
- HDI (Hexamethylene diisocyanate) is one of special aliphatic diisocyanate. HDI(六亞甲基二異氰酸酯)是特種脂肪族二異氰酸酯。
- Epoxides, episulphides and ethylene imines also polymerize via similar cyclic onium ion mechanisms. 環(huán)氧化合物，環(huán)硫化合物和乙烯亞胺也可以按類(lèi)似于環(huán)氧?睦胱擁幕?理進(jìn)行聚合。
- The tendency of preparing adipic acid and hexamethylene diamine from non-benzene materials is also introduced. 此外,還介紹了以非苯原料制備己二酸、己二胺的開(kāi)發(fā)情況和市場(chǎng)動(dòng)向。
- These are converted by a series of chemical steps into hexamethylene diamine and adipicacid. 通過(guò)一系列的化學(xué)過(guò)程將這些物質(zhì)轉化成已導致胺和已二酸。
- By the modification of hexamethylene diisocyanate (HDI),a new curing agent HDI oligomer was prepared. 合成了以HDI改性的烯類(lèi)單體齊聚物。
- The asymmetric hydrosilylation of imines and oximes is surveyed.The future of studies in this field is also predicted. 綜述了亞胺和肟類(lèi)化合物催化不對稱(chēng)硅氫化反應的研究進(jìn)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. 希望能夠合資擴大生產(chǎn)乙烯亞胺、丙烯亞胺及其衍生物。
- To our knowledge, however, it has never been used for reductive amination of carbonyl compounds, nor for reduction of pre-formed imines. 可是據我們所知，它還從來(lái)沒(méi)有被用于羰基的還原氨化和用于一個(gè)已制亞胺的還原。
- The MG-63 cells treated by hexamethylene bisacetamide(HMBA) were investigated as a positive control of induced differentiation. 環(huán)六亞甲基雙乙酰胺（HMBA）處理MG-63細胞作為分化誘導效果的陽(yáng)性對照。
- A polyurethane adhesive with high light stability was prepared using hexamethylene diisocyanate and used for bonding PVC, PU and leather. 采用己二異氰酸酯為原料，制備光穩定性的聚氨酯膠粘劑，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過(guò)渡金屬配合物的固相合成及其熱色性。
- 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、環(huán)己烯、環(huán)己烷等組成的模型化合物，對催化劑的HDS、HDN及HDY性能進(jìn)行了評價(jià)。
- 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. 用丙酮分別和乙二胺、己二胺反應制備酮亞胺,并以其作為潛伏性擴鏈劑改善水性聚氨酯(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. 利用木素和兩種二異氰酸酯合成了聚氨酯，對其熱性能、力學(xué)性能、膨脹性能進(jìn)行了測試。
- 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機基團，提高了其在有機溶劑中的分散性。
- The recent advances in external ligand-mediated addition of organometallic reagents to imines for the asymmetric synthesis of chiral amines are reviewed. 本文對近年來(lái)外加配體參與的有機金屬化合物對亞胺的不對稱(chēng)加成反應,特別是催化合成手性胺類(lèi)化合物的研究進(jìn)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. 以丁二酸酐和甲醇為原料制備了丁二酸單甲酯.;用環(huán)己烷作反應介質(zhì);操作易于控制;產(chǎn)物收率高
