Abstract
Imide ring containing novel polyamide-imides (PAIs) were prepared by triphenyl phosphite-activated polycondensation of phosphorus-containing aromatic amines, bis(3-aminophenyl) isopropyl phosphine (BAP) and bis(3-aminophenyl) aminotolyl phosphine (TAP), with various diimide-diacids (DIDAS). All polymers were fully characterized by FTIR, 1H-NMR, 13C-NMR, 31P-NMR spectroscopy and elemental analysis. These polymers showed no significant weight loss below 419°C and glass transition temperatures (Tg) in the region of 231°C–290°C. The resulting polymeric films exhibited high optical transparency. The inherent viscosity of the synthesized polymers was in the range 0.55–0.85 dl/g and wide angle X-ray diffraction measurements revealed that these polymers were predominantly amorphous.
The author (S. Agrawal) wishes to express gratitude to Guru Gobind Singh Indraprastha University, New Delhi, for providing financial support in the form of IPRF.
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©2013 by Walter de Gruyter Berlin Boston
Articles in the same Issue
- Masthead
- Masthead
- Original articles
- Heat distortion temperature of PPS/PC blend, PPS/PC nanocomposite and PPS/PC/GF hybrid nanocomposite
- Mechanical and thermal properties of impact modified PBT blends and impact modified PBT nanocomposites
- Twin screw extrusion with Expancel foaming agent
- Facile synthesis of new thermally stable and organo-soluble polyamide-imides from phosphorus-containing aromatic amines and various dianhydrides
- Graft copolymerization of poly(vinyl acetate) onto starch using KMnO4-H2SO4 redox system
- Synthesis and properties of polysiloxane graft waterborne polyurethane modified with α-N,N-dihydroxyethylaminopropyl-ω-butylpolydimethylsiloxane
- Thermal, mechanical and tribological properties of polycarbonate/acrylonitrile-butadiene-styrene blends
- Thermal conductivity and electrical conductivity of silicone rubber filled with aluminum nitride and aluminum powder
- Individual and combined effects of modified starch, bentonite and their composite powder with HPMC on the performance of cement mortars
- Optical characteristics of injection-molded fluorene polymers
- Novel epoxy resin composites containing polyaniline coated short kenaf bast fibers and polyaniline nanowires: mechanical and electrical properties
Articles in the same Issue
- Masthead
- Masthead
- Original articles
- Heat distortion temperature of PPS/PC blend, PPS/PC nanocomposite and PPS/PC/GF hybrid nanocomposite
- Mechanical and thermal properties of impact modified PBT blends and impact modified PBT nanocomposites
- Twin screw extrusion with Expancel foaming agent
- Facile synthesis of new thermally stable and organo-soluble polyamide-imides from phosphorus-containing aromatic amines and various dianhydrides
- Graft copolymerization of poly(vinyl acetate) onto starch using KMnO4-H2SO4 redox system
- Synthesis and properties of polysiloxane graft waterborne polyurethane modified with α-N,N-dihydroxyethylaminopropyl-ω-butylpolydimethylsiloxane
- Thermal, mechanical and tribological properties of polycarbonate/acrylonitrile-butadiene-styrene blends
- Thermal conductivity and electrical conductivity of silicone rubber filled with aluminum nitride and aluminum powder
- Individual and combined effects of modified starch, bentonite and their composite powder with HPMC on the performance of cement mortars
- Optical characteristics of injection-molded fluorene polymers
- Novel epoxy resin composites containing polyaniline coated short kenaf bast fibers and polyaniline nanowires: mechanical and electrical properties