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Synthesized Using Romp Containing Functional Side Groups Of Poly Norbornene

Posted on:2009-04-27Degree:MasterType:Thesis
Country:ChinaCandidate:C M WangFull Text:PDF
GTID:2191360245495899Subject:Polymer Chemistry and Physics
Abstract/Summary:PDF Full Text Request
The living-ROMP (ring open metathesis polymerization) has an important position in the synthesis of the materials of excellent property, for its special polymerization mode.In the paper we have finished the synthesis of the Grubbs Catalyst RuCl2(=CHPh)(PPh3)2, the romp of two monomers, they are N-4-(hydroxylPhenyl) norbornenedicarboximid (HPNI), and the norbornenedicarboximid of which side-group is benzoxazines (4-aza-4-(3-phenyl(2H,4H-benzo[2,4-3]1,3-oxazaper-hydroin-6yl))tricycle[5.2.1.0<2,6>]dec-8-ene-3,5dione)(NOB). We also charactered them by 1H NMR and IR.The phenol in HPNI was protected by tert-butyldimethylsilyl chloride, then the product was catalysed by Grubbs Catalyst to produce the polymer, which is decomposed by acid. Finally we received the polymer contain phenols. This kind of polymer has high reactivity except its own character, so there is a comprehensive application in the design of molecule structure. The polymer was charactered by GPC, 1H NMR, DSC and TGA.NOB is a kind of norbornenedicarboximid which side-group is benzoxazines. Except the benzoxazines, it also has norbornene, which has high romp reactivity. Benzoxazines is a kind of rigid group. This kind of benzoxazines can form crosslinked structure like phenolic resin by heating or catalytic polymerization, which has a lot of special property. In this paper we combine the benzoxazines and norbone by chemical way, then romp this compound to receive PNOB by Grubbs catalyst, which is synthesized by ourselves. Finally cure PNOB to receive benzoxazine resin, which perform excellent thermal property. GPC, 1H NMR, DSC, TGA are employed to character their structure and property. It shown that the Tg of PNOB was 148℃and benzoxazine resin was 265℃.They all perform excellent thermal stability.
Keywords/Search Tags:Norbone, benzoxazines, Grubbs Catalyst, phenol
PDF Full Text Request
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