Rizk abdel-moneim rizk

Maher Helmy Elsayed Helal
Chemistry Dept., Faculty of Science, Helwan University, Cairo,
Phone: (002)0225565548, Mobile: 0101154456, E-mail:
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Education
.Ph.D., Organic Chemistry, Helwan Universit
y 1990-1994
.M. Sc., , Organic Chemistry Helwan Universit
y 1983-1990
.B. Sc., Chemistry, Elmnofia University 1982
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Areas of Specialization
- Design and application of industrial dyes.
- Pretreatment of textile fibers.
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Academic Jobs
1984- 1990 Demonstrator of Chemistry, Helwan University.
1990- 1994 Teaching Assistant of Chemistry, Helwan
University.
1994- 2004 Lecturer of Chemistry, Helwan University.
2004- 2008 Associate Professor of Chemistry, Helwan
University.
List of Publications
Dr. Maher Helmy Helal
A Fast Desizing/Scouring/Bleaching System For Cotton-Based Textiles.
S.A. Abdel-Hafiz, F.F. Elsisi, M. Helmy and A. Hebeish
American Dyestuff Reporters, 79, 12 (1990).
Sodium Chlorite/Potassium Chromate Co-oxidant Induced Concurrent
Desizing, Scouring and Bleaching of Cotton / Polyester Blend Fabrics.
S.A. Abdel-Hafiz, F.F. Elsisi, M. Helmy and A. Hebeish
American Dyestuff Reporters, 80, 3 (1991).
Concurrent Grafting and Dyeing Using KMnO4/Citric Acid System
Induced Polymerization of Acrylonitrile onto Loomstate Cotton Fabric.
S.A. Abdel-Hafiz, F.F. Elsisi, M. Helmy and A. Hebeish
American Dyestuff Reporterts, 15, 8 (1994).
Potassium Permanganate-Citric Acid System Induced Simultaneous
Grafting and Dyeing of Loomstate Cotton Fabric Using Methacrylic Acid
and Acid or Basic Dye in This System.
S.A. Abdel-Hafiz, F.F. Elsisi, M. Helmy and A. Hebeish
American Dyestuff Reporters, 21, 9 (1994).
Concurrent Grafting and Dyeing Using Loomstate Cotton
Fabric/Acrylamide /KMnO4 -Citric Acid/Dye Water System.
S.A. Abdel-Hafiz, F.F. Elsisi, M. Helmy and A. Hebeish
American Dyestuff Reporters, 21, 5 (1995).
Novel Synthesis of Thiazole Disperse dye Derivatives.
Y.M. Elkholy, A.W. Erian and M.H. Helal
Pigment and Resin Technology, 30(3), 168-170 (2001).
A Novel Synthesis of 1-Oxo-thieno[ 31,21-3,4 ]pyrazolo[1,2-a]pyrazole Azo
Dye Systems for Dyeing of Synthetic and Modified Cellulose Fibers
H.Z. Shams, M.H. Helal, F.A. Mohamed and S.A. Abdel-Hafiz
Pigment and Resin Technology, 30(3), 158-163 (2001).
Synthesis of A New Series of Polyfunctionally-Substituted Pyrazole Azo
Dye Systems for Dyeing of Synthetic and Modified Cellulose Fibers.
H.Z. Shams, M.H. Helal and F.A. Mohamed
Pigment and Resin Technology, 30(2), 99-108 (2001).
A Novel Synthesis of Polyfunctionally-Substituted Pyrazolo[1,2-a]pyrazole
and Thieno[3`,2`-3,4]pyrazolo[1,2-a]pyrazole systems).
H.Z. Shams, M.H. Helal and F.A.Mohamed
Phosphorous, Sulphur and Silicon, 174, 255-267 (2001).
Synthesis of a New Series of Thiazole and Pyrazole Azo Dye Systems for
Dyeing of Synthetic Fibers.
Maher H. Helal
Pigment and Resin Technology, 30(5) 296-300 (2001).
11-- Novel Arylazo Pyrazolo[1,5-a]pyrimidine Derivatives: Synthesis,
Properties and Dyeing Characteristics.
G.H. Elgmeie, M.H. Helal and H.M. Elsayed
Pigment and Resin Technology, 33(1), 91-98 (2004).
Synthesis of and Dyeing Characteristics of Novel Pyrazolo[1,5-
a]pyrimidine Derivatives Containing Two Arylazo Functions.
G.H. Elgmeie, M.H. Helal and H.M. Elsayed
Pigment and Resin Technology, 32(2), 100-106 (2003).
Synthesis of and Dyeing Properties of A New Class of Condensed
Carbocyclic Arylazopyrazolo[1,5-a]-Pyrimidines.
G.H. Elgmeie, M.H. Helal and Kawther A. Ahmed
Pigment and Resin Technology, 32(1), 10-23 (2003).
Novel Pyridine-2(1H)-thione and Thieno-[2,3-b]pyridine Derivatives
Containing Arylazo Moiety, Synthesis Characteristics and Dyeing
properties.
Galal H. Elgmeie, Maher H. Helal, Emam M. Abbas and Ebtsam A. Abd-
Elmowlla
Pigment and Resin Technology, 31(6), 365-374 (2002).
Synthesis and Characterization of A New Series of Pyridinone Azo Dyes
for Dyeing of Synthetic Fibers.
M.H. Helal
Pigment and Resin Technology, 33, 165-171 (2004).
Synthesis, structure elucidation and biological evaluation of some fused
and /or pendent thiophene, pyrazole, imidazole, thiazole, triazole, triazine
and coumarin systems based on cyanoacetic 2-[(benzoyl
amino)thiooxomethyl]hydrazide. H.Z. Shams, R.M. Mohareb, M.H. Helal
and A.E. Mhmoud. Accepted for publication in Phosphorous, Sulphur and
Silicon (2006).
Synthesis and dyeing performance of new disperse azo dyes based on oxo
pyridine core. H.Z. Shams, R.M. Mohareb, M.H. Helal and E.M. Samir
.Accepted for publication in Pigment and Resin Technology (2006).

Synthesis of a new series of polyfunctionally substituted thiazole azo dye
systems for dyeing of synthetic fibers, , M.H. Helal, G.H. Elgmeie and
D.a.Msaoud, Accepted for publication in pigment and Resin
Technology(2007)
19 Novel Benzothiazapine Azo Dyes; Synthesis, Characterization, And
Printing Properties G.H. Elgmeie, M.H. Helal and Kawther A. Ahmed, Accepted
for publication in pigment and Resin Technology,(2007)

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