Poly(ether ketone ether ketone ketone) containing meta-phenylene linkage (PEKEKK(T/I)) was synthesized by electrophilic Friedel-Crafts acylation condensation of 1
4-diphenoxybenzophenone with terephthaloyl chloride (T) and isophthaloyl chloride (I) with a T/I ratio of 1 and characterized by IR、DSC、TGA and WAXD. PEKEKK(T/I) has two different crystal structures: a conventional Form I structure
the same as that observed in PEEK and PEK
wich is usually developed from melt crystallization
and a new Form Ⅱ structure which can bedeveloped from cold crystallization or solvent induced crystallization (by exposing the glassy sample to methylene chloride).
SYNTHESIS AND CHARACTERIZATION OF POLY(ARYL ETHER KETONE) FROM 1-METHYL-4,5-BIS (CHLOROBENZOYL) CYCLOHEXENE AND 4-(3,5 DIMETHYL-4-HYDROXYPHENYL)-2,3-PHTHAZIN-1-ONE
SYNTHESIS AND CHARACTERIZATION OF A NOVEL EPOXY-TERMINATED POLY(ARYL ETHER KETONE)
SYNTHESIS AND CHARACTERIZATION OF POLY(ETHER KETONE KETONE) CONTAINING THE PHTHALAZINONE MOIETY
SYNTHESIS AND CHARACTERIZATION OF PHOSPHORUS-CONTAINING LIQUID CRYSTALLINE COPOLYESTERS BASED ON BIPHENYL-4,4'-DICARBOXYLIC ACID
SYNTHESIS AND MAGNETIC PROPERTIES OF POLY(SCHIFF BASE) COMPLEXES CONTAINING 1,10-PHENANTHROLINE AND PYRIDINE UNIT
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Center for Degradable and Flame-Retardant Polymeric Materials, College of Chemistry, State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials Sichuan, Sichuan University