New Polytriazoleimides with High Thermal and Chemical Stabilities

Yanpeng, E; Wan, Liqiang; Li, Yujing; Huang, Farong; Du, Lei

doi:10.5012/bkcs.2012.33.7.2193

Cited by 6 publications

(2 citation statements)

References 23 publications

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“…Our laboratory has been engaged in the preparation and modification of high performance PTAs and their derivatives since 2002. 26 –31 A series of thermosetting PTA resins with good heat resistance and high mechanical properties have been explored .…”

Section: Introductionmentioning

confidence: 99%

A new high performance novolac-based polytriazole resin

Wan

Huang

2016

High Performance Polymers

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A novolac-based polytriazole (NPTA) resin was synthesized using 4,4′-diazidomethylbiphenyl and a propargylated novolac resin through catalyst-free click polymerization. Differential scanning calorimetry and Fourier transform infrared analysis results demonstrate that the NPTA resin can be cured at 80°C. The glass transition temperature of the cured NPTA-88 resin is 202°C. The thermal degradation temperature of the cured NPTA resin is 352°C under nitrogen. The composite of the resin exhibits good mechanical property.

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Section: Introductionmentioning

confidence: 99%

A new high performance novolac-based polytriazole resin

Wan

Huang

2016

High Performance Polymers

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“…Our laboratory has been engaged in developing novel low‐temperature curing and heat‐resistant resins by the 1,3‐dipolar cycloaddition of azide with the alkyne group since 2002, which were polymerized at 80°C without Cu(I), a series of PTAs with good processability and thermal stability has been synthesized , and a series of novel polytriazoleimides (PTAIs) containing 1,2,3‐triazole has been reported by thermal or chemical imidization methods, which exhibited high mechanical properties and chemical stabilities and were expected to be used as an advanced low‐temperature molding materials . In addition to PTAs and PTAIs, a novel PTA‐based organogel has been formed by the effects of copper ions due to the advantages of the “click” reaction .…”

Section: Introductionmentioning

confidence: 99%

Kinetic Study of the Thermal Polymerization Reactions between Diazide and Internal Diyne

Liu

Wan

Huang

et al. 2014

Int. J. Chem. Kinet.

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The reaction kinetics between diazide(4,4′‐biphenyl dibenzyl azide) and internal diyne(bis[2‐(phenyl)ethynyl]dimethylsilane) was studied in this study by means of differential scanning calorimetry (DSC) and nuclear magnetic resonance spectra (1H NMR). DSC was carried out to analyze the reaction in bulk polymerization condition, whereas 1H NMR for solution reaction polymerization. The apparent activation energy (eα) calculated by Kissinger's method was 90.83 kJ/mol, which was confirmed by Friedman's method, and 87.67 kJ/mol by 1H NMR, respectively. The polymerization between the diazide and internal diyne was the second‐order reaction based on calculation from both of DSC and 1H NMR.

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Preparation and Properties of Polyimides Containing 1,2,3‐Triazole Moieties

Rukmanikrishnan

Sarojadevi

2015

Adv Polym Technol

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ABSTRACT:A new diamine containing 1,2,3-triazole ring was synthesized by the click reaction in the presence of Cu (I) catalyst.A series of novel polytriazoleimides (PTAIs) were synthesized using the prepared diamine by the conventional two-step thermal or chemical imidization method with commercially available aromatic dianhydrides. The chemical structure of the monomers and polymers was characterized by Fourier transform Infrared, 1 H nuclear magnetic resonance (NMR), and 13 C NMR spectral analysis. Solubility of the PTAIs was tested in various organic solvents. The glass transition temperatures of these PTAIs are in the range of 215-254°C. PTAIs exhibit low dielectric constant of 3.04-3.34 at 1 MHz, high thermal stability, and temperature corresponding to 5% (T 5% ) weight loss is in the range of 442-492°C. The flame retardance values (limiting oxygen index) are in the range of 38.4-40.5. The PTAI films exhibited good mechanical properties with tensile strength of 96.2-98.9 MPa, elongation to break of 9.8-12.6%, and tensile modulus of 2.5-3

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New Polytriazoleimides with High Thermal and Chemical Stabilities

Abstract: A series of novel polytriazoleimides were prepared from various aromatic dianhydrides and a new kind of 1,2,3-triazole-containing aromatic diamine synthesized by the Cu (I)-catalyzed 1,3-dipolar cycloaddition reaction in DMAc, and characterized by FT-IR,

Cited by 6 publications

References 23 publications

A new high performance novolac-based polytriazole resin

A new high performance novolac-based polytriazole resin

Kinetic Study of the Thermal Polymerization Reactions between Diazide and Internal Diyne

Preparation and Properties of Polyimides Containing 1,2,3‐Triazole Moieties

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