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51

Photostability of some carbenium salts

Rumyana S. Velichkova, Veska D. Toncheva, Ivan M. Panayotov

Journal:

Macromolecular Chemistry and Physics

Year:

1980

Language:

english

File:

PDF, 223 KB

english, 1980

52

Anionic polymerization of isopropenyl methyl ketone, 1. IR-spectroscopic study of the nature of alkali derivatives of acetone and of the active centres in the anionic polymerization of isopropenyl methyl ketone

Christo B. Tsvetanov, Dobrinka T. Petrova, Ivan M. Panayotov

Journal:

Macromolecular Chemistry and Physics

Year:

1982

Language:

english

File:

PDF, 495 KB

english, 1982

53

Synthesis and polymerization of poly(ethylene glycol) fumarates

Iliyana V. Berlinova, Ivan M. Panayotov

Journal:

Macromolecular Chemistry and Physics

Year:

1987

Language:

english

File:

PDF, 448 KB

english, 1987

54

Polyesters prepared by polycondensation in the presence of carbodiimides, 1. Preparation of polyesters from aliphatic dicarboxylic acids and diols under mild conditions

Ivan M. Panayotov, Nadya Belcheva, Christo Tsvetanov

Journal:

Macromolecular Chemistry and Physics

Year:

1987

Language:

english

File:

PDF, 402 KB

english, 1987

55

Synthesis of amphiphilic star-shaped and graft copolymers based on polystyrene and poly(ethylene oxide)

Iliyana V. Berlinova, Ivan M. Panayotov

Journal:

Macromolecular Chemistry and Physics

Year:

1989

Language:

english

File:

PDF, 326 KB

english, 1989

56

Polyesters prepared by polycondensation in the presence of carbodiimides, 2. On the reaction of methyl α-(S)-malate with N,N′-dicyclohexylcarbodiimide under mild conditions

Nadya Belcheva, Christo Tsvetanov, Ivan M. Panayotov, Stoyanka Lazarova

Journal:

Macromolecular Chemistry and Physics

Year:

1990

Language:

english

File:

PDF, 524 KB

english, 1990

57

Synthesis of poly(N-tert-butylaziridine)s with functional end-groups

Darina C. Christova, Rumiana S. Velichkova, Ivan M. Panayotov

Journal:

Macromolecular Chemistry and Physics

Year:

1993

Language:

english

File:

PDF, 381 KB

english, 1993

58

Interaction of N-tert-butylaziridine with π-electron acceptors, 1. Zwitterion copolymerization with maleic anhydride

Darina Ch. Christova, Rumiana S. Velichkova, Ivan M. Panayotov

Journal:

Macromolecular Chemistry and Physics

Year:

1995

Language:

english

File:

PDF, 337 KB

english, 1995

59

Poly(amido-amine)s and poly(ester-amine)s based on aromatic amines containing carboxyl groups

Do Thi Bich Loan, Ilya B. Rashkov, Ivan M. Panayotov

Journal:

Macromolecular Chemistry and Physics

Year:

1995

Language:

english

File:

PDF, 326 KB

english, 1995

60

Interaction of N-tert-butylaziridine with π-electron acceptors, 2. Polymerization initiated by tetracyanoethylene

Darina Ch. Christova, Rumiana S. Velichkova, Ivan M. Panayotov

Journal:

Macromolecular Chemistry and Physics

Year:

1996

Language:

english

File:

PDF, 356 KB

english, 1996

61

Gel permeation chromatography. Study of aqueous-methanolic solutions of diblock, triblock and branched copolymers based on polystyrene and poly(ethylene oxide)

Ilyana V. Berlinova, Nikolai G. Vladimirov, Ivan M. Panayotov

Journal:

Macromolecular Rapid Communications

Year:

1989

Language:

english

File:

PDF, 208 KB

english, 1989

62

MNDO study of intermediates by anionic polymerization of ethylene oxide

Venelin Enchev, Nikolay Tyutyulkov, Ivan Panayotov, Nikolai Raevskii

Journal:

Macromolecular Rapid Communications

Year:

1990

Language:

english

File:

PDF, 175 KB

english, 1990

63

Reduction of aromatic compounds by potassium-graphite intercalation compounds

I.B. Rashkov, I.M. Panayotov, V.C. Shishkova

Journal:

Year:

1979

Language:

english

File:

PDF, 553 KB

english, 1979

64

Interaction between potassium-graphite intercalation compounds and alcohols or diols

I.B. Rashkov, I.M. Panayotov, V.C. Shishkova

Journal:

Year:

1979

Language:

english

File:

PDF, 468 KB

english, 1979

65

Etude du mecanisme de la polymerisation amorcee par les anion-radicaux et les bianions de cetones aromatiques a l'aide de la spectroscopie infrarouge

I.M. Panayotov, I.B. Rashkov, I.N. Yukhnovski

Journal:

European Polymer Journal

Year:

1971

File:

PDF, 754 KB

1971

66

On the nature of the active centres in the initial stages of methacrylonitrile anionic polymerization—I: Spectral studies

C. Tsvetanov, I. Panayotov

Journal:

European Polymer Journal

Year:

1975

Language:

english

File:

PDF, 391 KB

english, 1975

67

On some side reactions in the initiation of acrylonitrile, methacrylonitrile and methyl methacrylate anionic polymerization with anion-radicals of aromatic nitriles and ketones

I.M. Panayotov, C.B. Tsvetanov, A.C. Alexandrov

Journal:

European Polymer Journal

Year:

1975

Language:

english

File:

PDF, 324 KB

english, 1975

68

Conductivity studies on living polymers with an α-oxide terminal unit in tetrahydrofuran

I.V. Berlinova, I.M. Panayotov, Ch.B. Tsvetanov

Journal:

European Polymer Journal

Year:

1976

Language:

english

File:

PDF, 276 KB

english, 1976

69

Changes in the electrochemical characteristics and u.v.-spectra of polydienyl-lithium chains on storage in polar media

L.V. Vinogradova, N.I. Nikolaev, V.N. Sgonnik, B.L. Erussalimsky, G.V. Sinitsina, Ch.B. Tsvetanov, I.M. Panayotov

Journal:

European Polymer Journal

Year:

1981

Language:

english

File:

PDF, 262 KB

english, 1981

70

Active centres in the anionic polymerization of methoxypolyethyleneglycol methacrylates

I.V. Berlinova, C.B. Tsvetanov, I.M. Panayotov, L.V. Vinogradova

Journal:

European Polymer Journal

Year:

1984

Language:

english

File:

PDF, 293 KB

english, 1984

71

Polymerization of ε-caprolactone initiated by stable salts. Initiation mechanism

N.E. Manolova, I.B. Rashkov, R.S. Velichkova, I.M. Panayotov

Journal:

European Polymer Journal

Year:

1984

Language:

english

File:

PDF, 176 KB

english, 1984

72

Potassium-graphite intercalation compounds as initiators for ethylene oxide polymerization in benzene and tetrahydrofuran

I.B. Rashkov, I.V. Berlinova, N.G. Vladimirov, I.M. Panayotov

Journal:

European Polymer Journal

Year:

1984

Language:

english

File:

PDF, 274 KB

english, 1984

73

Polymerization of δ-valerolactone and β-propiolactone initiated by stable salts. Initiation mechanism

N.E. Manolova, R.S. Velichkova, I.M. Panayotov

Journal:

European Polymer Journal

Year:

1985

Language:

english

File:

PDF, 260 KB

english, 1985

74

The interaction of alkyl α-(S)-Malates with N,N′-dicyclohexylcarbodiimide under mild conditions

Nadya Belcheva, Ivan M. Panayotov, Christo Tsvetanov

Journal:

European Polymer Journal

Year:

1991

Language:

english

File:

PDF, 281 KB

english, 1991

75

Oligoamidoamines and oligoesteramines based on antibiotics containing β-lactam ring

Do Thi Bich Loan, Ivan M. Panayotov

Journal:

European Polymer Journal

Year:

1996

Language:

english

File:

PDF, 371 KB

english, 1996

76

Conversion of dolichyl pyrophosphate n,n'-diacetylchitobiose to lipid-tri- to heptasaccharides by liver microsomes from hibernating ground squirrels (Citellus citellus L.)

B.N. Panayotov, V.I. Zhivkov

Journal:

International Journal of Biochemistry

Year:

1985

Language:

english

File:

PDF, 354 KB

english, 1985

77

Properties of mannosyl- and N-acetylglucosamine-1-phosphate transferases towards dolichol phosphate in liver microsomes from pig embryos

V.I. Zhivkov, S.V. Kyosseva, B.N. Panayotov, Zh.N. Kyossev

Journal:

International Journal of Biochemistry

Year:

1988

Language:

english

File:

PDF, 409 KB

english, 1988

78

Poly(ether-ester) networks prepared by polycondensation of R,S-malic acid with diols and polyether alcohols in the presence of N,N′-dicyclohexylcarbodiimide

Nadya Belcheva, Todor Zlatkov, Ivan M. Panayotov, Christo Tsvetanov

Journal:

Year:

1993

Language:

english

File:

PDF, 483 KB

english, 1993

79

Influence of condensed silica fume as admixture to concrete on the bond to the reinforcement

P. Abadjiev, K. Panayotov, S.I. Petrov

Journal:

Construction and Building Materials

Year:

1993

Language:

english

File:

PDF, 302 KB

english, 1993

80

Electron exchange on TiO2–SiO2 photocatalysts during O2 and organic molecule adsorption – the role of adsorbate electrophilicity

D. Panayotov, J.T. Yates Jr.

Journal:

Chemical Physics Letters

Year:

2003

Language:

english

File:

PDF, 318 KB

english, 2003

81

Charge exchange between TiO2 and a polyfunctional chemisorbed molecule – the involvement of electrophilic groups

D.A. Panayotov, J.T. Yates Jr.

Journal:

Chemical Physics Letters

Year:

2004

Language:

english

File:

PDF, 494 KB

english, 2004

82

Depletion of conduction band electrons in TiO2 by water chemisorption – IR spectroscopic studies of the independence of Ti–OH frequencies on electron concentration

Dimitar A. Panayotov, John T. Yates Jr.

Journal:

Chemical Physics Letters

Year:

2005

Language:

english

File:

PDF, 283 KB

english, 2005

83

n-Type doping of TiO2 with atomic hydrogen-observation of the production of conduction band electrons by infrared spectroscopy

Dimitar A. Panayotov, John T. Yates Jr.

Journal:

Chemical Physics Letters

Year:

2007

Language:

english

File:

PDF, 230 KB

english, 2007

84

Energetics of pulsed laser ablation species as determined by quadrupole and time-of-flight mass spectrometry

M.C Kelly, G.G Gomlak, V.G Panayotov, C Cresson, J Rodney, B.D Koplitz

Journal:

Applied Surface Science

Year:

1998

Language:

english

File:

PDF, 247 KB

english, 1998

85

Thin-film coating of Cu-Co oxide catalyst on lanthana/zirconia films electrodeposited on stainless steel

G. Tyuliev, D. Panayotov, I. Avramova, D. Stoichev, Ts. Marinova

Journal:

Materials Science and Engineering: C

Year:

2003

Language:

english

File:

PDF, 154 KB

english, 2003

86

Anionic polymerization and copolymerization in heterogeneous systems on surfaces with aromatic structure

Ivan M. Panayotov, Ilya B. Rashkov

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1973

Language:

english

File:

PDF, 372 KB

english, 1973

87

Polymerization of ethylene oxide with potassium-graphite inclusion compounds

Ivan M. Panayotov, Iliyana V. Berlinova, Ilya B. Rashkov

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1975

Language:

english

File:

PDF, 597 KB

english, 1975

88

Polymérisation anionique amorcée par les composés lamellaires du graphite et du lithium

G. Merle, J. P. Pascault, Q. T. Pham, C. Pillot, R. Salle, J. Golé, I. Rashkov, I. Panayotov, D. Guérard, A. Hérold

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1977

File:

PDF, 486 KB

1977

89

Solvating properties of certain polymeric ethers

I. M. Panayotov, D. K. Dimov, Ch. B. Tsvetanov, V. V. Stepanov, S. S. Skorokhodov

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1980

Language:

english

File:

PDF, 541 KB

english, 1980

90

Complex formation between poly(ethylene oxide) and alkali picrates

D. K. Dimov, I. M. Panayotov, V. N. Lazarov, Ch. B. Tsvetanov

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1982

Language:

english

File:

PDF, 680 KB

english, 1982

91

On the interaction of triphenylmethyl salts with α-methylstyrene

R. Velichkova, I. M. Panayotov, J. Doicheva, G. Heublein, H. Schutz, P. Adler, S. Spange, R. Wondraczek

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1982

Language:

english

File:

PDF, 402 KB

english, 1982

92

Trityl salt—initiated polymerization of α-methylstyrene

R. Velichkova, I. M. Panayotov, J. Doicheva, N. Manolova

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1983

Language:

english

File:

PDF, 340 KB

english, 1983

93

Anionic polymerization of lactones initiated by alkali graphitides. II. Changes in the KC24 structure during polymerization of lactones

Iliya B. Rashkov, Ivan Gitsov, Ivan M. Panayotov

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1983

Language:

english

File:

PDF, 2.38 MB

english, 1983

94

Anionic polymerization of lactones initiated by alkali graphitides. I. Polymerization of ϵ-caprolactone initiated by KC24

Iliya B. Rashkov, Ivan Gitsov, Ivan M. Panayotov, Jeanpierre Pascault

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1983

Language:

english

File:

PDF, 672 KB

english, 1983

95

Characteristics and initiation ability of 9-anthranylmethyl hexafluorophosphate

S. S. Skorokhodov, V. V. Stepanov, V. D. Toncheva, R. S. Velichkova, I. M. Panayotov

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1986

Language:

english

File:

PDF, 303 KB

english, 1986

96

Interaction of triphenylmethyl salts with vinyl ethers

R. S. Velichkova, J. B. Doicheva, I. M. Panayotov

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1987

Language:

english

File:

PDF, 371 KB

english, 1987

97

Macromonomers from vinyl and cyclic monomers prepared by initiation with stable carbenium salts

R. S. Velichkova, V. D. Toncheva, I. M. Panayotov

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1987

Language:

english

File:

PDF, 378 KB

english, 1987

98

Anionic polymerization of lactones initiated by alkali graphitides. IV. Copolymerization of ε-caprolactone initiated by KC24

Ivan Gitsov, Iliya Bl. Rashkov, Ivan M. Panayotov, Alexandr Golub′

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1989

Language:

english

File:

PDF, 469 KB

english, 1989

99

Anionic polymerization of lactones initiated by alkali graphitides. V. Initiation mechanism and nature of the active centers

Ivan Gitsov, Iliya B. Rashkov, Ivan M. Panayotov

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1990

Language:

english

File:

PDF, 543 KB

english, 1990

100

Amphiphilic graft copolymers with poly(oxyethylene) side chains: Synthesis via activated ester intermediates—properties

Iliyana V. Berlinova, Aissa Amzil, Svetlana Tsvetkova, Ivan M. Panayotov

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1994

Language:

english

File:

PDF, 634 KB

english, 1994