Collect. Czech. Chem. Commun. 1973, 38, 2274-2280
https://doi.org/10.1135/cccc19732274

Alkaline polymerization of 6-caprolactam. XLVIII. Fraction of acyl groups of the activator incorporated in high-molecular weight polymer

J. Stehlíček, J. Exner, P. Čefelín and J. Šebenda

Individual author index pages


Other CCCC articles of these authors

  • J. Vacík, M. Czaková, J. Exner, J. Kálal and J. Kopeček
    Permeability of metabolites through hydrophilic membranes
    1977, Vol. 42, Issue 9, pp. 2786–2790 [Abstract]
  • V. Gregor, R. Puffr and J. Stehlíček
    Behaviour of dicarba-closo-dodecarboranes in the polymerization of caprolactam
    1976, Vol. 41, Issue 1, pp. 53–60 [Abstract]
  • R. Puffr and J. Šebenda
    Effect of acidity and substitution of carboxylic acids on the rate and equilibrium of acidolysis of N-butylhexanamide in non-aqueous medium
    1975, Vol. 40, Issue 11, pp. 3339–3345 [Abstract]
  • J. Šebenda, L. M. Postnikov and B. Lánská
    Effect of additives and impurities on the initial stage of thermal oxidation of N-octylbutyramide
    1975, Vol. 40, Issue 6, pp. 1877–1887 [Abstract]
  • Z. Bukač and J. Šebenda
    Influence of the structure of azo compounds derived from 3-oxoamide on their activation effect and the stability of chromophore in the anionic polymerization of caprolactam
    1975, Vol. 40, Issue 6, pp. 1868–1876 [Abstract]
  • B. Lánská and J. Šebenda
    Endgroups and molecular weights in the polymerization of lactams initiated with carboxylic acids under anhydrous conditions
    1975, Vol. 40, Issue 5, pp. 1524–1533 [Abstract]
  • B. Masař and J. Šebenda
    The kinetics and mechanism of polymerization of N-methyl-, N-butyl- and N-benzylcapryllactam initiated with hydrogen chloride
    1975, Vol. 40, Issue 1, pp. 93–103 [Abstract]
  • B. Masař and J. Šebenda
    Acidolytic cleavage in the polymerization of N-methylcapryllactam initiated with anhydrous hydrogen chloride
    1974, Vol. 39, Issue 9, pp. 2581–2590 [Abstract]
  • Z. Bukač, A. Janoušová and J. Šebenda
    Catalytic activity of the transformation products of 3-oxoamides in the anionic polymerization of caprolactam
    1974, Vol. 39, Issue 9, pp. 2393–2403 [Abstract]
  • P. Čefelín, J. Stehlíček and J. Šebenda
    Effect of the cation on the formation of keto structures during activated anionic polymerization of lactams
    1974, Vol. 39, Issue 8, pp. 2212–2220 [Abstract]
  • J. Stehlíček, P. Čefelín and J. Šebenda
    Preparation and polymerization of α,α-dimethyl-ε-caprolactam
    1974, Vol. 39, Issue 2, pp. 539–545 [Abstract]
  • B. Lánská and J. Šebenda
    Changes in the degree of polymerization and acid and base contents occurring at room temperature in caprolactam polymers
    1974, Vol. 39, Issue 1, pp. 257–266 [Abstract]
  • B. Masař and J. Šebenda
    Polymerization of N-methylcapryllactam with acids, water, amines, amine salts and acid chlorides
    1974, Vol. 39, Issue 1, pp. 110–118 [Abstract]
  • Z. Bukač and J. Šebenda
    Alkaline polymerization of 6-caprolactam. L. The activation effect of N,N-disubstituted amides of 3-oxoacids and dimers of substituted ketenes
    1973, Vol. 38, Issue 12, pp. 3610–3615 [Abstract]
  • M. Kapuścińska, E. Šittler and J. Šebenda
    Alkaline polymerization of 6-caprolactam. IL. Effect of the activator/initiator ratio on the molecular weight distribution
    1973, Vol. 38, Issue 8, pp. 2281–2287 [Abstract]
  • P. Čefelín, L. Lochmann and J. Stehlíček
    Preparation of substituted amino acids by cyanoalkylation of esters
    1973, Vol. 38, Issue 5, pp. 1339–1342 [Abstract]
  • P. Čefelín, J. Stehlíček and J. Šebenda
    Alkaline polymerization of 6-caprolactam. XLII. Influence of the nature of activator on the type and content of keto groups and activator residues
    1972, Vol. 37, Issue 12, pp. 3861–3867 [Abstract]
  • Z. Bukač and J. Šebenda
    Alkaline polymerization of 6-caprolactam. XLI. Anionic thermolysis of N,2,2-substituted 3-oxoamides
    1972, Vol. 37, Issue 8, pp. 2714–2724 [Abstract]
  • J. Stehlíček, P. Čefelín and J. Šebenda
    Alkaline polymerization of 6-caprolactam. XXXVIII. Determination of keto groups in anionic polycaprolactam
    1972, Vol. 37, Issue 6, pp. 1926–1932 [Abstract]
  • J. Tomka and J. Šebenda
    On the structure and properties of polyamides. XXXII. Influence of non-crystallizable units on the crystallization of polycaprolactam
    1972, Vol. 37, Issue 2, pp. 453–459 [Abstract]
  • Z. Bukač and J. Šebenda
    Isocyanate cleavage of amides of 3-oxoacids
    1971, Vol. 36, Issue 5, pp. 1995–2004 [Abstract]
  • J. Stehlíček and J. Šebenda
    Alkaline polymerization of 6-caprolactam. XXXVII. Formation of carbon dioxide in molten anionic polycaprolactam
    1970, Vol. 35, Issue 4, pp. 1188–1194 [Abstract]
  • B. Masař and J. Šebenda
    Alkaline polymerization of 6-caprolactam. XXXVI. Formation of carbonate and its participation in the formation of carbon dioxide, water and of end groups
    1969, Vol. 34, Issue 9, pp. 2598–2610 [Abstract]
  • Z. Bukač, J. Tomka and J. Šebenda
    Alkaline polymerization of 6-caprolactam. XXXV. The activation effect of amides of 3-oxoacids
    1969, Vol. 34, Issue 7, pp. 2057–2064 [Abstract]
  • B. Lánská and J. Šebenda
    Photooxidation of N-butylcaproamide
    1969, Vol. 34, Issue 7, pp. 1911–1928 [Abstract]
  • P. Čefelín and J. Málek
    On the kinetics of polycondensation of bis(2-hydroxyethyl) terephthalate
    1969, Vol. 34, Issue 2, pp. 419–426 [Abstract]
  • E. Šittler and J. Šebenda
    Alkaline polymerization of 6-caprolactam. XXXIV. The kinetics of polymerization of caprolactam initiated by sodium caprolactam
    1968, Vol. 33, Issue 10, pp. 3182–3190 [Abstract]
  • P. Čefelín, J. Labský and J. Šebenda
    Alkaline polymerization of 6-caprolactam. XXXIII. Polymerization of β- and δ-methylcaprolactams and their copolymerization with caprolactam
    1968, Vol. 33, Issue 4, pp. 1111–1121 [Abstract]
  • E. Šittler and J. Šebenda
    Alkaline polymerization of 6-caprolactam. XXXII. The kinetics of polymerization activated by N,N,N',N'-tetraacetylhexamethylenediamine
    1968, Vol. 33, Issue 1, pp. 270–277 [Abstract]
  • Z. Bukač and J. Šebenda
    Alkaline polymerization of 6-caprolactam. XXX. Formation of uracils and 2-(1H)-pyridones during thermolysis of β-keto acid amides
    1967, Vol. 32, Issue 10, pp. 3537–3545 [Abstract]
  • P. Čefelín, A. Frydrychová, J. Labský, P. Schmidt and J. Šebenda
    Alkaline polymerization of 6-caprolactam. XXVII. Polymerization of α-methylcaprolactam and its copolymerization with caprolactam
    1967, Vol. 32, Issue 8, pp. 2787–2796 [Abstract]
  • J. Tomka and J. Šebenda
    An interpretation of the kinetics of non-isothermal crystallization of polymers demonstrated on the adiabatic crystallization of polycaprolactam
    1967, Vol. 32, Issue 8, pp. 2779–2786 [Abstract]
  • Z. Pelzbauer and P. Čefelín
    Morphology of copolymerizates of ε-caprolactam and C-methylcaprolactams
    1967, Vol. 32, Issue 3, pp. 1019–1026 [Abstract]
  • P. Čefelín, A. Frydrychová, P. Schmidt and J. Šebenda
    Alkaline polymerization of 6-caprolactam. XXVI. Polymerization of ε-methylcaprolactam and its copolymerization with caprolactam
    1967, Vol. 32, Issue 3, pp. 1006–1018 [Abstract]
  • J. Stehlíček, J. Labský and J. Šebenda
    Alkaline polymerization of 6-caprolactam. XXV. The effect of structure of the acyl on polymerization activated by acylcaprolactams or diacylamines
    1967, Vol. 32, Issue 2, pp. 545–557 [Abstract]
  • J. Stehlíček, K. Gehrke and J. Šebenda
    Alkaline polymerization of 6-caprolactam. XXIV. N-Carbamoylcaprolactams as activators of the alkaline polymerization of caprolactam
    1967, Vol. 32, Issue 1, pp. 370–381 [Abstract]
  • J. Tomka, J. Šebenda and O. Wichterle
    On the structure and properties of polyamides. XXIX. Volume changes associated with the crystallization of polycaprolactam without thermal history
    1966, Vol. 31, Issue 11, pp. 4341–4352 [Abstract]
  • J. Exner and M. Bohdanecký
    On the skeletons of ion exchangers. XVIII. The behaviour of polystyrene in the preparation of macroporous styrene-divinylbenzene structures
    1966, Vol. 31, Issue 10, pp. 3985–3989 [Abstract]
  • J. Šebenda and B. Masař
    Alkaline polymerization of 6-caprolactam. XXIII. End groups of polymers prepared by non-activated alkaline polymerization of caprolactam
    1966, Vol. 31, Issue 8, pp. 3331–3344 [Abstract]
  • Z. Bukač and J. Šebenda
    Alkaline polymerization of 6-caprolactam. XXII. Preparation and properties of some N-alkylacetoacetamides and their hydrolysis in acid and alkaline media
    1966, Vol. 31, Issue 8, pp. 3315–3330 [Abstract]
  • J. Šebenda, P. Čefelín and D. Doskočilová
    N-(β-Carbamidopropyl)caprolactam
    1966, Vol. 31, Issue 7, pp. 3000–3002 [Abstract]
  • J. Šebenda and J. Králíček
    On the structure and properties of polyamides. XXVI. The effect of end groups in poly-6-caprolactam on the Huggins constant of polymer solutions in tricresol
    1966, Vol. 31, Issue 6, pp. 2534–2546 [Abstract]
  • J. Šebenda
    Alkaline polymerization of 6-caprolactam. XIX. The Claisen condensation of N-ethyldiacetamide in a system of sodium salt of N-ethylacetamide and N-ethylacetamide
    1966, Vol. 31, Issue 4, pp. 1501–1512 [Abstract]
  • J. Bareš, J. Janáček and P. Čefelín
    On the structure and properties of polyamides. XXII. Low-temperature dielectric relaxation of polycaprolactam, poly(γ-methylcaprolactam) and poly(ε-methylcaprolactam)
    1965, Vol. 30, Issue 8, pp. 2582–2591 [Abstract]
  • J. Janáček, J. Tomka and J. Šebenda
    On the structure and properties of polyamides. XVI. The effect of the conditions of preparation on mechanical properties of polycaprolactam prepared by adiabatic alkaline polymerization
    1965, Vol. 30, Issue 3, pp. 692–701 [Abstract]
  • Z. Bukač, P. Čefelín, D. Doskočilová and J. Šebenda
    Alkaline polymerization of 6-caprolactam. XVIII. Equilibrium between monomer and polymer
    1964, Vol. 29, Issue 11, pp. 2615–2625 [Abstract]
  • J. Stehlíček, J. Šebenda and O. Wichterle
    Alkalische Polymerisation des 6-Caprolactams XVII. Aktivatoren der alkalischen Caprolactam-Polymerisation
    1964, Vol. 29, Issue 5, pp. 1236–1258 [Abstract]
  • J. Šebenda, P. Čefelín and D. Doskočilová
    Alkaline polymerization of 6-caprolactam. XVI. Copolymerization of caprolactam with γ-methylcaprolactam
    1964, Vol. 29, Issue 5, pp. 1138–1149 [Abstract]
  • J. Šebenda and J. Králíček
    Alkalische Polymerisation des 6-Caprolactams XV. Disproportionierungsreaktion im System N-Äthylacetamid-N-Äthylacetamid-Natriumsalz
    1964, Vol. 29, Issue 4, pp. 1017–1028 [Abstract]
  • J. Šebenda and B. Mikulová
    Alkaline polymerisation of 6-caprolactam. XIV. Determination of structure and concentration of imide groups in the polymer by means of acid-catalysed hydrolysis
    1964, Vol. 29, Issue 3, pp. 738–751 [Abstract]
  • O. Wichterle, J. Tomka and J. Šebenda
    Alkalische Polymerisation des 6-Caprolactams XII. Über die Polymerisation von 6-Caprolactam und die Kristallisation des gebildeten Polymeren unter adiabatischen Bedingungen
    1964, Vol. 29, Issue 3, pp. 610–624 [Abstract]
  • P. Čefelín, D. Doskočilová, A. Frydrychová and J. Šebenda
    Alkaline polymerization of 6-caprolactam. XI. Polymerization of γ-methylcaprolactam
    1964, Vol. 29, Issue 2, pp. 485–491 [Abstract]
  • R. Puffr and J. Šebenda
    Über die Struktur und die Eigenschaften der Polyamide XII. Berechnung des Gehaltes an amorphem und mesomorphem Polymer im Poly-6-caprolactam aus Messungen der Gleichgewichtssorption von Wasser
    1964, Vol. 29, Issue 1, pp. 75–87 [Abstract]
  • J. Šebenda and R. Puffr
    Über die Struktur und Eigenschaften der Polyamide XI. Typen der Sorptionsisothermen des Wassers im Poly-6-caprolactam
    1964, Vol. 29, Issue 1, pp. 60–74 [Abstract]
  • J. Jokl, B. Mikulová and J. Šebenda
    On the structure and properties of polyamides. VII. Determination of imide groups in poly-6-caprolactam by differential infrared spectrometry
    1963, Vol. 28, Issue 12, pp. 3239–3244 [Abstract]
  • J. Šebenda and J. Stehlíček
    Alkalische Polymerisation des 6-Caprolactams X. Strukturuntersuchung der Imidgruppen im Polymeren mittels alkalischer Hydrolyse und Aminolyse
    1963, Vol. 28, Issue 10, pp. 2731–2743 [Abstract]
  • D. Doskočilová, B. Schneider and P. Čefelín
    On the structure and properties of polyamides. V. Infrared spectra and crystallinity of copolymers of caprolactam with γ-methylcaprolactam
    1963, Vol. 28, Issue 10, pp. 2556–2562 [Abstract]
  • D. Doskočilová, H. Pivcová, B. Schneider and P. Čefelín
    On the structure and properties of polyamides. IV. Infrared spectra of poly-γ-methylcaprolactam and of amorphous polycaprolactam
    1963, Vol. 28, Issue 7, pp. 1867–1876 [Abstract]
  • O. Wichterle, J. Tomka and J. Šebenda
    Alkalische Polymerisation des 6-Caprolactams IX. Einfluss von Zusätzen auf die morphologische Struktur des Poly-6-caprolactams
    1963, Vol. 28, Issue 3, pp. 696–708 [Abstract]
  • J. Šebenda, Z. Pelzbauer and J. Tomka
    Alkalische Polymerisation des 6-Caprolactams VIII. Einfluss der Reaktionsbedingungen bei der adiabatischen alkalischen Polymerisation auf die morphologische Struktur von Poly-6-caprolactam
    1963, Vol. 28, Issue 2, pp. 310–319 [Abstract]
  • D. Doskočilová, B. Schneider and J. Šebenda
    On the structure and properties of polyamides. II. Determination of crystallinity in polycaprolactam blocks by infrared absorption
    1962, Vol. 27, Issue 8, pp. 1760–1769 [Abstract]
  • P. Čefelín and J. Šebenda
    Alkalische polymerisierung des 6-caprolactams VI. Darstellung der alkalisalze des 6-caprolactams
    1961, Vol. 26, Issue 12, pp. 3028–3038 [Abstract]
  • O. Wichterle, E. Šittler and P. Čefelín
    Abbau von poly-6-caprolactam durch umamidierung
    1961, Vol. 26, Issue 11, pp. 2897–2908 [Abstract]
  • P. Čefelín, E. Šittler and O. Wichterle
    Darstellung von gemischten polyamiden aus amidinen
    1960, Vol. 25, Issue 10, pp. 2522–2529 [Abstract]
  • P. Čefelín, M. Chmelíř and O. Wichterle
    Über die kristallisation von poly-6-caprolactam
    1960, Vol. 25, Issue 5, pp. 1267–1274 [Abstract]
  • P. Čefelín, E. Šittler and O. Wichterle
    Über den einfluss von alkoholen auf die anionische polymerisation des 6-caprolactams
    1959, Vol. 24, Issue 10, pp. 3287–3290 [Abstract]
  • P. Čefelín, J. Trekoval and Z. Drbálek
    Bestimmung des spezifischen gewichts der polymerisationsprodukte des ε-caprolactams
    1959, Vol. 24, Issue 9, pp. 2890–2897 [Abstract]
  • O. Wichterle, E. Šittler and P. Čefelín
    Untersuchung über das gleichgewicht der alkalischen 6-caprolactam-polymerisation
    1959, Vol. 24, Issue 7, pp. 2356–2364 [Abstract]
  • O. Wichterle, J. Králíček and J. Šebenda
    Über die anionische polymerisation des 6-caprolactams III. Neue katalysatoren für die anionische polymerisation des 6-caprolactams
    1959, Vol. 24, Issue 3, pp. 755–759 [Abstract]
  • P. Čefelín, J. Stehlíček and O. Wichterle
    Tension und dichte des dampfes von 6-caprolactam über der polymerenschmelze
    1959, Vol. 24, Issue 2, pp. 516–521 [Abstract]
  • J. Šebenda and J. Králíček
    Effect of imides on the alkaline polymerisation of caprolactam
    1958, Vol. 23, Issue 4, pp. 766–767 [Abstract]
  • P. Čefelín and E. Šittler
    Die quantitative Bestimmung von ε-Caprolactam im Polymerisat nach der Kjeldahlmethode
    1958, Vol. 23, Issue 3, pp. 422–425 [Abstract]
  • J. Exner and M. Bohdanecký
    Über die Autooxydation von Butylmethacrylat
    1958, Vol. 23, Issue 2, pp. 239–248 [Abstract]
  • M. Bohdanecký and J. Exner
    Konzentrationsabhängigkeit der Viskosität der Lösungen von Polymeren. Einfluss des nichtnewtonischen Flusses
    1958, Vol. 23, Issue 2, pp. 198–205 [Abstract]
  • O. Wichterle and J. Šebenda
    Die polymerisation von ε-caprolactam mit alkalicarbonaten II. Über die kinetik und den mechanismus der alkalischen polymerisation des ε-caprolactams
    1957, Vol. 22, Issue 5, pp. 1353–1367 [Abstract]
  • O. Wichterle and P. Čefelín
    Kinetics of decomposition of α-cumyl hydroperoxide and its p-nitro derivative in acid solution
    1957, Vol. 22, Issue 4, pp. 1083–1087 [Abstract]
  • O. Wichterle and P. Čefelín
    Darstellung und zersetzung von p-nitro-α-cumylhydroperoxyd
    1957, Vol. 22, Issue 1, pp. 274–278 [Abstract]
  • M. Bohdanecký and J. Exner
    Nichtnewtonsche strömung verdünnter lösungen von polymethylmethakrylaten
    1956, Vol. 21, Issue 6, pp. 1584–1591 [Abstract]
  • O. Wichterle and J. Šebenda
    Die polymerisation von ε-caprolactam mit alkalicarbonaten I. Über die schnelle polymerisation von ε-caprolactam mit natriumcarbonat
    1956, Vol. 21, Issue 2, pp. 312–317 [Abstract]
  • J. Exner and M. Bohdanecký
    Polarographische bestimmung von hydrochinon in monomeren
    1955, Vol. 20, Issue 5, pp. 1246–1248 [Abstract]
  • M. Bohdanecký and J. Exner
    Polarographische Bestimmung der Autoxydationsprodukte in Methacrylaten
    1955, Vol. 20, Issue 4, pp. 917–922 [Abstract]