Dicyclohexylterephthalamide
WebJul 14, 2024 · The effect of the morphological characteristics of N,N′ -dicyclohexylterephthalamide (DCHT), an aromatic bisamide β-nucleating agent (β-NA) … WebTwo kinds of β‐nucleating agents, named a rare earth complex (WBG) and a N,N′‐dicyclohexylterephthalamide (TMB5), were introduced into isotactic polypropylene (iPP), and their effect on crystallization and melting behavior of iPP was comparatively investigated.Wide angle X‐ray diffraction measurements revealed that both the two …
Dicyclohexylterephthalamide
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WebFeb 27, 2024 · In this study, a kind of self-assembly β nucleating agent (TMB-5) and intense shear field provided by a microinjection machine were simultaneously employed to address the long-standing question about the possibility to cultivate highly oriented β-crystals. The experimental results were cheerful. For dotlike TMB-5, it preferred to tumble and rotate … WebSep 28, 2024 · In this study, the self-assembly phenomenon of nucleator N, N′-dicyclohexylterephthalamide (DCHT) in isotactic polypropylene (iPP) has been investigated and reexamined from the viewpoint of sublimation and condensation.A correlation between the crystallization temperature (T c) of iPP and the final heating …
Web让知嘟嘟按需出方案. 产品. 专利检索 WebJun 14, 2016 · However, the process of the self-assembly formation, which is essential for understanding the exact nucleating mechanism of NAs, is not well elucidated. In this work, the self-assembly process of a bisamide NA, N,N′-dicyclohexylterephthalamide (DCTH), in polypropylene (iPP) matrix was systematically investigated.
WebSep 14, 2015 · This letter reports a significant suppression on space charge in isotatic polypropylene (iPP) by inducing the growth of β-crystal doped with the nucleating agent N,N′-dicyclohexylterephthalamide (DCTH).The α- and β-crystals in iPP were analyzed, and their effect on space charge and distribution of trap level was studied. Results … WebN,N′-Dicyclohexylterephthalamide (DCHT) is an important β-NA for isotactic polypropylene (iPP) and widely reported to form granular, needle, and dendritic …
WebFeb 16, 2024 · Abstract. The nucleation efficiency of substrates towards a specific polymer is usually based on empirical methods, which depend on the employed …
Dicyclohexyl-terephthalamide (DCHT) is an efficient and partially soluble nucleating agent for isotactic polypropylene. Its properties, nucleating efficien Crystallization, melting, supermolecular structure and properties of isotactic polypropylene nucleated with dicyclohexyl-terephthalamide … See more The FTIR spectra of the synthesized products before and after drying are shown in Fig. 2. The absorption band at 1680–1660 cm−1 indicated the presence of –C=O– bond and absorption band at 1330 cm−1 that of … See more The mechanical properties of iPP nucleated with DCHT are also studied in order to provide full picture about this β-nucleating agent. Usually, β-nucleating agents are used in … See more The crystallization process was followed in microscope as well (Fig. 11). The samples were heated up to 250 °C and held there for 3 min in order to dissolve as much nucleating agent as possible without degrading the … See more danity kane show stopper/right nowWeb长沙理工大学化学与生物工程学院. 被引频次. 726. 成果数. 71. h指数. 14. g指数. 26. birthday dress for 10 years old girlWeb晶型聚丙烯 文献调研芳香胺类化合物:此类成核剂由日本理化公司于1992年首先申请专利,并于1998年实现商品化.常见的芳香胺类成核剂主要有两种:2,6苯二甲酸环己酰胺N,Ndicyclohexylterephthalamide, DCTHN birthday dress for 10 year old boyWebJan 24, 2007 · Sodium 2,2′-methylene-bis(4,6-di-tert-butylphenyl) phosphate (NA40) and N,N-dicyclohexylterephthalamide (NABW) are high effective nucleating agents for inducing the formation of α-isotactic polypropylene (α-iPP) and β-iPP, respectively.The isothermal crystallization kinetics of iPP nucleated with nucleating agents NABW, … danity kane show stopper zippyshareWebProduct Name: 2-amino-N~1~,N~4~-dicyclohexylterephthalamide; Synonyms: 2-amino-N~1~,N~4~-dicyclohexylterephthalamide; CAS NO: 540514-00-9 ; Molecular Formula: … birthday dress fashion novadanity kane tv showWebMentioning: 12 - The effect of the morphological characteristics of N,N′-dicyclohexylterephthalamide (DCHT), an aromatic bisamide β-nucleating agent (β-NA) showing a dual nucleation capability for the β- and α-crystals of isotactic polypropylene (iPP), on the polymorphic composition of iPP and the underlying mechanism were … birthday dress for 1 year baby girl