Vol. 39 No Journal of Jiangxi Normal University Natural Science Mar TDPA. A DOI /j. cnki. issn

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1 39 2 Vol 39 No Journal of Jiangxi Normal University Natural Science Mar TDPA * TDPA MPD PA 2 PI FT-IR WAXD DSC TGA FT-IR 2 PAA DSC TGA PI PI T g Larc-I-TPI 259 TDPA TS TB33 A DOI /j cnki issn PI 1 Larc-I-TPI TDPA IDPA TDPA PI PI PI PI 1967 PI TDPA sky bond PI 2 4 PI PI PI T g NASA IDPA PI Larc-I-TPI 1 1 IDPA 2 Ti /Ti MPa MPa TDPA 20 8 MPa MPD m p 64 ~ 65 N N MPD Larc-I-TPI DMAc GaH 2 24 h 0 4 nm 24 h PA GJJ BAB KJLD

2 2 TDPA 155 m p ~ T-PI PI Py 1 2 η inh 15 PAA DMAc 1 0 g dl - 1 T PAA N ml MPD g mol 50 ml DMAc TDPA g mol 30 min 0 ~ 20 7 ~ 8 h 2 h PAA TD- PA MPD PA 1 3 PAA 1 PAA PAA 7IDPA-PAA η inh TDPA MPD PA η inh / dl g - 1 IDPA-MPD η inh / dl g PAA PAA PAA PI h h PAA DMAc 2 1 /Py 60 ± 5 18 h PI DMAc PI 24 h 3 ~ ± 1 24 h C-PI 3 η inh = c - 1 lnt /t 0 AVA-TAR370 KBr ~ cm - 1 X- Bruker-XRF X- Cu Kα 2 1 PI 40 kv /30 ma 2θ = 4 ~ 90 4 PAA T-PI C-PI DSC TA-Q100 4 PAA cm K min ~ cm - 1 C O C O 400 TGA TA-CDR cm ~ 800 C O cm - 1 O H 10 K min - 1 CMT7105 N H PAA GB / 90 T-PI C-PI cm cm C O O H N H PAA FT-IR h h 5 2 PI PI PAAs cm - 1 C O O H / N H C N PAA T-PI C-PI PI X- WAXD X- WAXD PAA DMAc 0 5 mm 2 90 PAA PI T-PI WAXD 1

3 PI TGA 4 PAA T-PI C-PI C-PI 5 /Py DMAc PAA PI 16 3 PI 2 3 PI 10 mg PI C-PI 5 ml 3 PI PI PI NMP DMF DMAc DMSO THF T-PI C-PI PI DSC PA-T-PI-3 T-PI-1 T DSC g PI T g DSC 6 4 T-PI-2 PA T-PI-3 T g T- PI T g T TDPA m T-PI-1 T g T-PI-1 PI PI 2 PA TD- T g Larc-I-TPI

4 2 TDPA 157 C-PI T g WAXD DSC PI T-PI-1 T g C-PI Polyimide T g / T d / T 5 / T 10 / R w /% C-PI T g T-PI T-PI T-PI TG PI DSC PA-PI 7 PA T- PI-3 T d TDPA T-PI-1 T d T- PI-2 T d PI T- PI-2 1 M TDPA MPD TDPA DMAc PAA PAA PI PI PA PI TDPA PI TDPA PI C-PI TD- T d 500 TD- PA-PI Larc-I-TPI Kim K Ryou J H Klm Y Thermal imidization behavior of aromatic poly amic dialkyl ester precursors derived from biphenyltetracarboxylic dianhydride J Polymer Bulletin M McCracken J H DeGorski J G Gall W G Process for preparing benzophenone acids and anhydrides and anhydrides resulting therefrom US P DeGorski E Sillion B DeGaudemaris G French institute of petroleum fuels and lubricants French Patent P Pfeifer J Geigy A Homo and copolymer proess of their 7 PI TGA crosslinking and their use EP B1 P Donald J P Terry L St Clair Pratt J R Thermoplastic adhesives based on 4 4 -isophthaloyl diphthalic anhydride 7 7 C-PI T d T-PI IDPA R NASA TM C-PI 8 Progar D J Dezern J F Initial evaluation of novel poly-im-

5 ide-imides and their copolymers as adhesives J J Adhes Sci Technol Tamai S Kuroki T Synthesis and characterization of thermally stable semicrystalline polyimide based on oxydianiline and biphenyltetracarboxylic dianhydride J Polymer Basset F Lefrant A Pascal T et al Crystalline polyimide particles generated via thermal imidization in a heterogeneous medium J Polymers for Advanced Technologies Inoue H Muramatu T Sasaki Y et al Preparation of polyimide powder J Journal of Applied Polymer Science Gall W G Process for preparing finely divided polyimide particles of high surface area US P Lovejoy E R Coupling polymerization of low molecular weight polyamide-acids to produce high molecular weight polyimides US P P X P Goel R N Varma I K Varma D S Preparation and properties of polyimide fibers J J Appl Polym Sci J Ths Synthesis of Polyimide and the Properties of the Adhesive Film ZHAN Meidong HU Shuncheng SONG Cheng * SONG Caisheng College of Chemistry and Chemical Engineering Jiangxi Normal University Nanchang Jiangxi China Abstract A novel diketone anhydride poly ether ketone ether imides PI was synthesized via the conventional two-step by using 4 4 -terephthaloyldiphthalic anhydride TDPA and m-phenylenediamine MPD Polyimide acid PAA was end capped with the excess TDPA or small amount of phthalic anhydride PA and took the research of the influence to the thermodynamic property Research the two polyimide properties which prepared by thermal and chemical imidization The structure and properties of PI was characterized and measured by fourier transform infrared spectroscopy FT-IR wide-angle X-ray diffraction WAXD differential scanning calorimetric DSC thermal gravimetric analysis TGA and solubility tests FT-IR tests show that the two imidization ways both can make PAA form an imide ring structure DSC and TGA show that end-cap can improve Thermal properties of PI to some extent and the chemical imidization is superior to thermal imidization PI a Thermoplastic polyimide which T g is above Larc-I-TPI 259 have good thermal and solvent preperties LSS tests show that PI has excellent adhesion properties Key words thermal imidization TDPA chemical imidization adhesion properties

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