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- W2350698723 abstract "Modifications of three thermosets(epoxy resins,cyanate ester and bismaleimide resins) with 4 kinds of polyetherimide(PEI):PID,PIM,PIP and PIB were studied,effects of the structure,content and molecular weight of PEI and curing temperature on the performance of the modification systems were discussed in terms of morphology and mechanical properties.It could be concluded that controlling the phase structure was the key factor to obtain high performance matrix resins of advanced composite.For the different kind of thermosetting resin,the structure,content molecular weigh of PEI and its curing temperature should be different,TGDDM/PIM syetem showed double continuous phase structure.For the PEI modified bismaleimide,when content of PEI was 5%,it showed that the PIM particle was dispersed in BMI;when content of PEI was 10%,it showed double continuous phase structure and when content of PEI was more than 15%,it showed phase inverst structare.For the PIP modified epoxy resin system,when molecular weight M_n of phenyl terminal PIP was 20 000 and when M_n of amino terminal PIP was 18 000,it showed phase inverst structure and when M_n of phynyl terminal PIP was 15 000 it showed double continuous phase structure.Fore the PIP modified cyanate ester,when the M_n of PIP was lower,it showed double continuous phase structure,when curing temperature was 120 ℃ it showed phase inverst structure and when curing temperature was 150 ℃ and 180 ℃,it showed double continuous phase and the toughening effect was obvious meanwhile." @default.
- W2350698723 created "2016-06-24" @default.
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- W2350698723 date "2006-01-01" @default.
- W2350698723 modified "2023-09-26" @default.
- W2350698723 title "Study on toughening of matrix resins for advanced composite" @default.
- W2350698723 hasPublicationYear "2006" @default.
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