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Synthesis of Polyimides Derived from 2,2-Bis[4-(4-aminobenzoyl)phenoxy]hexafluoropropane and Aromatic Dianhydrides
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  • Journal title : Applied Chemistry for Engineering
  • Volume 27, Issue 1,  2016, pp.50-55
  • Publisher : The Korean Society of Industrial and Engineering Chemistry
  • DOI : 10.14478/ace.2015.1121
 Title & Authors
Synthesis of Polyimides Derived from 2,2-Bis[4-(4-aminobenzoyl)phenoxy]hexafluoropropane and Aromatic Dianhydrides
Park, Jung Hye; Ahn, Byung Hyun;
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 Abstract
Aromatic diamines containing hexafluoroisopropylidene and ester moiety were synthesized from 4,4`-hexafluoroisopropylidene diphenol and nitrobenzoyl chloride. The reaction of aromatic diamines with hexafluoroisopropylidene phthalicdianhydride (6FDA) or pyromellitic dianhydride (PMDA) gave four kinds of poly(amic acid)s. Their inherent viscosities ranged from 0.196 to 0.346 dL/g. Poly(amic acid)s were converted to polyimides by thermal imidization. The glass transition temperatures () of polyimides were between 241 and . The 5% weight loss temperatures were recorded in the range of . The tensile strength of polyimide films were measured as 29.84~64.38 MPa.
 Keywords
hexafluoroisopropylidene;aromatic diamine;poly(amic acid);polyimide;
 Language
Korean
 Cited by
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