Hydroxypropyl derivatives of legume starches: Functional, rheological and thermal properties

2013 ◽  
Vol 65 (9-10) ◽  
pp. 762-772 ◽  
Author(s):  
Abraham Olasupo Oladebeye ◽  
Aladesanmi Augustine Oshodi ◽  
Isiaka Adekunle Amoo ◽  
Alias Abd Karim
Keyword(s):  
Thermal Properties ◽  
Derivatives Of

Synthesis, optical, and thermal properties of glassy trityl group containing luminescent derivatives of 2-tert-butyl-6-methyl-4H-pyran-4-one

2012 ◽  
Author(s):  
Elmars Zarins ◽  
Karina Siltane ◽  
Elina Misina ◽  
Valdis Kokars ◽  
Kristine Lazdovica ◽  
...  
Keyword(s):  
Thermal Properties ◽  
Tert Butyl ◽  
Derivatives Of

Study of the thermal properties of derivatives of sulfonamides

1983 ◽  
Vol 26 (1) ◽  
pp. 145-150 ◽  
Author(s):  
J. Ciba ◽  
J. Sycz ◽  
J. Trzcionka
Keyword(s):  
Thermal Properties ◽  
Derivatives Of

scholarly journals Synthesis of azo polymers by etheric derivatives polymerization of allyl bromide and studying their bandgap and determine some of their properties: اصطناع بوليميرات آزو ببلمرة مشتاقات إيتيرية لبروميد الآليل ودراسة فجوتها الطاقية وتعيين بعض خصائصها الفيزيائية

2021 ◽  
Vol 5 (4) ◽  
pp. 155-142
Author(s):  
Ghazi Mahmoud Hasso Jawish, Rushdi Madwar, Francois Kara Bet Ghazi Mahmoud Hasso Jawish, Rushdi Madwar, Francois Kara Bet
Keyword(s):  
Refractive Index ◽  
Thermal Properties ◽  
Azo Dyes ◽  
Kinematic Viscosity ◽  
Allyl Bromide ◽  
Bandgap Energy ◽  
Azo Polymers ◽  
Ft Ir ◽  
Derivatives Of

In this research, two ether derivatives of phenolic azo dyes were synthesized via Williamson's reaction according to the SN2 mechanism. The prepared compounds were radically polymerized using (AIBN) as an initiator and their structures were identified by FT-IR and 1H-NMR. Furthermore, thermal properties of these polymers was made by (DSC). Bandgap energy have been calculated to indicate the ability of these polymers as optical semiconductors, it was 2.8ev, 2.4ev for P(AO2) and P(AON1) respectively. Beside the determination of refractive index, kinematic viscosity, density, and degree of Turbidity.

scholarly journals Hydrophilic Films Based on Carboxymethylated Derivatives of Starch and Cellulose

Polymers ◽  
2020 ◽  
Vol 12 (11) ◽  
pp. 2447
Author(s):  
Katarzyna Wilpiszewska ◽  
Adrian Krzysztof Antosik ◽  
Beata Schmidt ◽  
Jolanta Janik ◽  
Joanna Rokicka
Keyword(s):  
Surface Roughness ◽  
Tensile Strength ◽  
Thermal Properties ◽  
Physicochemical Properties ◽  
Moisture Absorption ◽  
Weight Ratio ◽  
Mechanical And Thermal Properties ◽  
Film Preparation ◽  
Polysaccharide Derivatives ◽  
Derivatives Of

The carboxymethylated derivatives of starch (CMS) and cellulose (CMC) were used for film preparation. The infrared spectroscopy revealed that crosslinking via ester bridges with citric acid occurred between the two polysaccharide derivatives. The effect of polysaccharide derivatives ratio on physicochemical properties of prepared films was evaluated. Generally, the values of tested parameters (moisture absorption, surface roughness, and mechanical and thermal properties) were between the values noted for neat CMS or CMC-based films. However, the physicochemical properties of the system with equal CMS/CMC weight ratio diverged from this trend, i.e., the highest tensile strength, the highest Young’s modulus (ca. 3.4 MPa and ca. 4.9 MPa, respectively), with simultaneously the lowest moisture absorption (18.5% after 72 h) have been noted. Such systems could potentially find application in agriculture or pharmacy.

Structure and thermal properties of volatile copper(II) complexes with β-diimine derivatives of acetylacetone and the structure of 2-(methylamino)-4-(methylimino)-pentene-2 crystals

2007 ◽  
Vol 48 (5) ◽  
pp. 889-898 ◽  
Author(s):  
N. B. Morozova ◽  
P. A. Stabnikov ◽  
I. A. Baidina ◽  
P. P. Semyannikov ◽  
S. V. Trubin ◽  
...  
Keyword(s):  
Thermal Properties ◽  
Derivatives Of

Thermal Properties of Metal Derivatives of 6-Aminopicolinic Acid

1998 ◽  
Vol 129 (5) ◽  
pp. 473-480
Author(s):  
B. Kowalczyk ◽  
W. Baran ◽  
K. Chaczatrian
Keyword(s):  
Thermal Properties ◽  
Metal Derivatives ◽  
Derivatives Of

Thermal properties of heterometallic oxymethoxy derivatives of rhenium, niobium, and tantalum

2007 ◽  
Vol 43 (4) ◽  
pp. 392-397 ◽  
Author(s):  
S. N. Mikhnevich ◽  
P. A. Shcheglov ◽  
D. V. Drobot
Keyword(s):  
Thermal Properties ◽  
Derivatives Of

Optical and thermal properties of azo derivatives of salicylic acid thin films

2015 ◽  
Vol 137 ◽  
pp. 1039-1049 ◽  
Author(s):  
M.M. Ghoneim ◽  
N.A. El-Ghamaz ◽  
A.Z. El-Sonbati ◽  
M.A. Diab ◽  
A.A. El-Bindary ◽  
...  
Keyword(s):  
Thin Films ◽  
Salicylic Acid ◽  
Thermal Properties ◽  
Azo Derivatives ◽  
Derivatives Of

scholarly journals SYNTHESIS, STRUCTURE AND THERMAL PROPERTIES OF RHENIUM CARBONYL CONTAINING HETEROBIMETALLIC DERIVATIVES OF VANADIUM (III)

2018 ◽  
Vol 15 (30) ◽  
pp. 193-200
Author(s):  
E. A. GULIYEVA ◽  
G. Z. SULEIMANOV
Keyword(s):  
Thermal Analysis ◽  
Thermal Properties ◽  
Bidentate Ligand ◽  
Target Product ◽  
Carbonyl Groups ◽  
Donor Ligand ◽  
Composition And Structure ◽  
Rhenium Carbonyl ◽  
Derivatives Of ◽  
Push Out

This paper describes the data on synthesis of bis(cyclopentadienyl)vanadium(III) of pentacarbonyl rhenium bistetrahydrofuranate complex with the reaction between dicyclopentadienylvanadium (III) chloride and rhenium sodiumpentacarbonyl in tetrahydrofurane (THF). Formed in this case the target product was separated from reaction mixture by extracting with hot hexane. Their reactionary ability in relation to protonic and aprotonic acids Lewis had been inverstigated. It is revealed, that at interaction of the above mentioned complexes with HCl there is a splitting Re-V bond with formation (C5H5)2VCl and HRe(CO)5; (C5H5)2VCl and HRe(CO)4PPh3 respectively. At interaction with HgCl2 also occurs having break V-Re bond and it turn out (C5H5)2VCl and (OC)5ReHgCl; (C5H5)2VCl and PPh3(OC)4ReHgCl. The interection of these complexes with ligands of various dentate is investigated. A monodentate liqand-triphenil phosphine (PPh3) substitutes one of carbonyl-groups in Re(CO)5) – fragment. Bidentate ligand- acetylacetone (acac) easily push out from coordination sphere vanadium more donor ligand cyclopentadienyl. The composition and structure of the complexes were characterized by the data of NMR, IR, EPR-spectroscopy and thermal analysis.

Sign in / Sign up

Export Citation Format

Share Document