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supported by the Natural Science Foundation of Liaoning Province of China(No.20041076)
Sulfonated poly(ether ketone)s containing 3,5-dimethyl phthalazinone moieties (SPPEK-DMs) with different degrees of sulfonation (DS) were synthesized via direct polycondensation from 4-(3,5-dimethyl-4-hydroxyph...
financially supported by the National Natural Science Foundation of the China(No.50703004)
A series ofpoly(aryl ether sulfone ketone)s containing phthalazinone and biphenyl moieties were synthesized by aromatic nucleophilic displacement polycondensation of 4-(4-hydroxylphenyl)(2H)-phthalazin-l-one (D...
supported by the National Natural Science Foundation of China(Nos.50673031 and 50973036)
Based on several unsymmetrical, twist, noncoplanar phthalazinone-containing monomers 2a-2e and an active bis(4-fluorophenyl)phenyl phosphine oxide (BFPPO) monomer, a series of novel poly(phthalazinone ether phosp...
This work was financially supported by the National Natural Science Foundation of China (No. 50673031);the Key Natural Science Foundation of Fujian Province (No. E0320003);State Key Laboratory of Polymer Physics and Chemistry in Institute of Chemistry of CAS (No. 200602).
A novel unsymmetrical fluorinated diamine monomer with kink non-coplanar heterocyclic structures, 1,2-dihydro- 2-(4-amino-2-trifluoromethyophenyo)-4-[4-(4-amino-2-trifluoromethyophenoxy)phenyo](2H)phthaoazin-1-o...
This work was supported by the National Natural Science Foundation of China(No.50143013).
A series of fluorinated copolyimides containing phthalazinone moieties were prepared from 2,2-bis(3,4-dicarboxyphenyl)hexafluoropropane dianhydride(6FDA),3,3'4,4'-benzophenone-tetracarboxylic dianhydride(BPDA)and2-(4-...
This work was supported by the Key Natural Science Foundation of Fujian Province (E0320003).
The direct polymerization of an unsymmetrical kink non-coplanar heterocyclic diamine (1) with various aromatic bis(trimellitimide)s (2a-e) using triphenyl phosphite and pyridine as condensing agents could generate a s...
This project was supported by the National Ninth Five-Year-Plan Key Project "The pilot-scale production and the applied development of polyaryl ether concerning phthalazinone moiety" (No. 97-564-01-07).
A kind of novel heat-resistant, high performance engineering thermoplastic phthalazinone poly(aryl ether sulfone ketone) (PPESK) containing a carboxyl group in its side chain was prepared by the nucleophilic displacem...
This work was supported by the National Natural Science Foundation.
A novel soluble poly(aryl ether ketone) was prepared by the reaction of 4-(3-phenyl-4-hydroxyphenyl)phthalazinone with 4,4'-difluorobenzophenone. The polymer was characterized by DSC, TGA and X-ray diffraction.