Cyclotetramethylene tetranitramine/glycidyl azide polymer/butanetriol trinitrate propellant flame structure

Parr, T. P.; Hanson‐Parr, D. M.

doi:10.1016/j.combustflame.2004.01.001

Cited by 31 publications

(27 citation statements)

References 22 publications

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“…[14][15][16][17][18] Azide polymers are commonly prepared by chemical modification of polymers using sodium azide and chlorinated polymers, 4,11,[19][20][21] or by living cationic ring-opening polymerization of cyclic ether azides. [7][8][9][10][11][12][13] However, these approaches have some disadvantages, either azido content in the polymer could not be controlled very well, or the polymerization conditions are very stringent. Because of the azide group sensitivity to heat and UV light, conventional radical polymerization and photopolymerization are not suitable for the preparation of azide polymers.…”

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confidence: 99%

Room‐temperature RAFT copolymerization of 2‐chloroallyl azide with methyl acrylate and versatile applications of the azide copolymers

Wang

Zheng

et al. 2010

J. Polym. Sci. A Polym. Chem.

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A new vinyl azide monomer, 2‐chlorallyl azide (CAA), has been synthesized from commercially available reagent in one step. The reversible addition fragmentation chain transfer (RAFT) copolymerization of CAA with methyl acrylate (MA) was carried out at room temperature using a redox initiator, benzoyl peroxide (BPO)/N,N‐dimethylaniline (DMA), in the presence of benzyl 1H‐imidazole‐1‐carbodithioate (BICDT). The polymerization results showed that the process bears the characteristics of controlled/living radical polymerizations, such as the molecular weight increasing linearly with the monomer conversion, the molecular weight distribution being narrow, and a linear relationship existing between ln([M]0/[M]) and the polymerization time. Chain extension polymerization was performed successfully to prepare block copolymer. Furthermore, the azide copolymers were functionalized by CuI‐catalyzed “click” reaction with alkyne‐containing poly(ethylene glycol) (PEG) to yield graft copolymers with hydrophilic PEG side chains. Surface modification of the glass sheet was successfully achieved via the crosslinking reaction of the azide copolymer under UV irradiation at ambient temperature. © 2010 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 48: 1348–1356, 2010

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confidence: 99%

Room‐temperature RAFT copolymerization of 2‐chloroallyl azide with methyl acrylate and versatile applications of the azide copolymers

Wang

Zheng

et al. 2010

J. Polym. Sci. A Polym. Chem.

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“…Later on, LIF technique has been extended to PLIF in order to obtain single-shot information over a §ow area of a few cubic centimeters [15,16]. More recently, high-speed OH-PLIF operating at 5 kHz was used by Hedman et al [17] to investigate combustion process of bimodal AP/binder propellants at pressures between 0.1 and 0.64 MPa.…”

Section: Laser Induced Fluorescence Imaging Measurements On Iron Atommentioning

confidence: 99%

Recent progress of laser metrology in chemically reacting flows at onera

Mohamed

Dorval

Vilmart

et al. 2017

Progress in Flight Physics

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This paper presents some of the development actions performed these last years at ONERA using laser spectroscopic techniques to probe chemically reacting §ows. Techniques like laser absorption, laser induced §u-orescence (LIF), and Raman scattering will be described with focus on present drawbacks as well as expectations from new laser technologies (Interband Cascade Lasers (ICL) diodes, Optical Parametrical Oscillators (OPO), frequency comb, and femto/picosecond lasers) before showing some results of recent applications in ground facilities.

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“…[5][6][7][8][9][10][11] However, it is well known that azido content in the polymer produced by chemical modification could not be controlled very well, and ionic polymerization requires stringent reaction conditions such as high purity of monomers and high vacuum techniques. Due to azido group sensitive to heat and UV light, conventional radical polymerization, and photopolymerization are not suitable for the preparation of azide polymers.…”

Section: Introductionmentioning

confidence: 99%

“…[2] Azide compounds and polymers are widely used as cross-linking materials, [3,4] high energetic materials, [5][6][7][8][9][10][11] and the materials for surface modification. [12][13][14] Since 2004, ''click'' chemistry has attracted much attention in polymer science, [15] and many functional polymer materials have been synthesized [16] by the click reaction between azido and alkyne groups.…”

Section: Introductionmentioning

confidence: 99%

A Facile Strategy for the Preparation of Azide Polymers via Room Temperature RAFT Polymerization by Redox Initiation

Zheng

Bai

2009

Macromol. Rapid Commun.

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A new vinyl aryl azide monomer, 4-azidophenyl methacrylate (APM), has been synthesized and characterized by (1) H NMR and FT-IR spectroscopy. The thermal stability of APM has been investigated by temperature-dependent FT-IR spectroscopy and (1) H NMR, and the monomer has been demonstrated to be quite stable at ambient temperature. Reversible addition-fragmentation chain transfer (RAFT) homopolymerization and copolymerizations of APM with methyl acrylate, methyl methacrylate, and styrene have been carried out at room temperature using a redox initiator, benzoyl peroxide (BPO)/N,N-dimethylaniline (DMA). The results show that the polymerizations bear all the characteristics of controlled/living free-radical polymerizations. Moreover, the cycloaddition of azido group to carbon-carbon double bond can be avoided in the polymerization process at room temperature.

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Cyclotetramethylene tetranitramine/glycidyl azide polymer/butanetriol trinitrate propellant flame structure

Cited by 31 publications

References 22 publications

Room‐temperature RAFT copolymerization of 2‐chloroallyl azide with methyl acrylate and versatile applications of the azide copolymers

Room‐temperature RAFT copolymerization of 2‐chloroallyl azide with methyl acrylate and versatile applications of the azide copolymers

Recent progress of laser metrology in chemically reacting flows at onera

A Facile Strategy for the Preparation of Azide Polymers via Room Temperature RAFT Polymerization by Redox Initiation

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