Imidized meaning
WitrynaDefinitions of imidized, synonyms, antonyms, derivatives of imidized, analogical dictionary of imidized (English) ... Get XML access to fix the meaning of your … Witryna1 maj 2013 · The imidized copolymer was essentially water-insoluble, but after ring-closure the polymer samples were again soluble in ethyl acetate, the solvent in which the ring-opening reaction was carried out. ... The acetone was removed by means of rotary evaporation and the white precipitate formed in the reaction was placed in a vacuum …
Imidized meaning
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WitrynaImidized acrylic polymers obtained by means of the reaction of an acrylic resin in the molten state, with at least one modifying agent having the general formula: R--X--NH--R' (I) wherein: R and R' are either equal to, or different from, each other and represent hydrogen or an alkyl, cycloalkyl; aryl or alkylaryl radical containing from 1 to 20 carbon … Witryna22 paź 2024 · Compared with thermal imidization which starts at about 140 °C, the chemical imidization activated by acetic anhydride and isoquinoline initiates the cyclization even at room temperature. The resulting imide rings restrict the mobility of polymer chains and lead to the in-plane orientation with solvent evaporation.
WitrynaThe meaning of INFAMIZE is to make infamous : defame. WitrynaImidized materials are high performance plastics with a high service temperature. These can be considered for applications with an approximate maximum temperature of …
Witryna(44) 1The results show that the addition of triamine monomer has no obvious influences on chemical structures and aggregative states of polyimide precursors and the imidized products. Witrynapolyamic acid and pre-imidized polyimide solu-tions. A classical way to identify the conduction mechanism is to examine linearity in J–E curves. The plot consists of two regions, in the lower region of the applied electric field, the slope is around 1, and in the higher region, the slope is around 2. This means that both of polyimide films
Witryna1 sie 2006 · The imidization process consists of cyclodehydration of PAA to form linear, stiff, ordered PI chains. As the rigid cyclic imide structure is formed during the imidization the chain mobility is decreased due to increase in stiffness.
http://www.expresspolymlett.com/letolt.php?file=EPL-0000212&mi=c in a toothacheWitryna27 kwi 2024 · A series of polyimide (PI) films derived from pyromellitic dianhydride (PMDA) and 4,4′-oxydianiline (ODA) were prepared with the employment of chemical pre-imidization, and the pre-imidization degree (pre-ID) was found influential on structures and properties of the films obtained. in a tongue in cheek mannerWitryna1 maj 2003 · This means that N-PI molecules are not extended linearly during imidization and have a structure that restricts the motion of polyimide chain above grass transition. ... It could be deduced in this study that N-PI films imidized at 300 °C formed the branched structure and partially cross-linked structure and those imidized at 350 °C formed ... duties of church workersWitrynaCHAPTER 1 4 cyclized into the final polyimide. This process involving a soluble polymer precursor was pioneered by workers at Dupont1 in 1950’s, and to this day, continues … duties of church secretary pdfWitryna31 sie 2012 · In this paper, series of polyimide films with different aggregation structures were prepared through a partially pre-imidization process, and the properties were … duties of church ushers and greetersWitrynaImid- definition: Imid is defined as something that relates to a molecule containing nitrogen and hydrogen along with two unstable acid molecules. in a token economy tokens:Witrynafully imidized translation in English - English Reverso dictionary, see also 'fully fashioned',fully fledged',full',foully', examples, definition, conjugation Translation … in a torn up town no postcard envy lyrics