Chrome Extension
WeChat Mini Program
Use on ChatGLM

Macromolecular Chemistry and Physics Journal

Papers
Linear polystyrenes with dimethylamino end groups were prepared by anionic polymerization, using 3-(dimethylamino)propyllithium as initiator and high vacuum techniques. The amino group was transformed to a sulfozwitterionic moiety by reaction with 1,3-propanesultone. The dilute s...
Cited6Views1
6
1
Download
BibtexChatPaperRate
Full Paper To further elucidate the structure-reactivity relationship in the allyneodymium complex-catalyzed 1,4-cis polymerization of butadiene, the following catalyst systems are investigated in toulene more thoroughly: Nd(C3H5)(2)Cl.4,4-dioxane, Nd(C3H5)Cl-2.2.5 tetrahydrofura...
Cited53Views4
53
4
BibtexChatPaperRate
AbstractDie in der monoklinen α‐Struktur kristallisierten Bereiche des unverstreckten und verstreckten 6‐Polyamids wandeln sich bei der Behandlung mit wäßriger Jod‐Alkalijodid‐Lösung in die γ‐Struktur um. Diese γ‐Struktur wird röntgenographisch, IR‐spektroskopisch und kalorimetri...
Cited85Views4
85
4
Download
BibtexChatPaperRate
AbstractOxy‐cellulose wird nach der Azid‐methode an Eiweißstoffe gebunden. In ihrer Kettenlänge nicht abgebaute Cellulose wird über ihre Glykolsäure‐äther nach der Azid‐methode mit Proteinen kondensiert. Es werden zwei Typen von Stoffen erhalten. Bei den kohlenhydratarmen ist jed...
Cited81Views5
81
5
Download
BibtexChatPaperRate
Macromolecular Chemistry and PhysicsVolume 211, Issue 7 p. 833-834 Book Review Controlled and Living Polymerizations: From Mechanisms to Applications Patrick Theato, Patrick Theato Mainz (Germany) Seoul (Korea)Search for more papers by this author Patrick Theato, Patrick Theato M...
Cited52Views2
52
2
BibtexChatPaperRate
A Goto, T Fukuda
The activation rate constants k(act) of some polystyrene (PS) - nitroxide adducts were determined as a function of temperature by the GPC peak resolution method. The results showed that both the steric and polar factors associated with the structure of the nitroxides strongly aff...
Cited56Views1
56
1
BibtexChatPaperRate
A Greve,H Finkelmann
The orientation process in response to a mechanical field and the phase transformation of nematic elastomers are investigated for different types of crosslinkers and their concentration. For the corresponding linear polymer melt a mechanical field causes a director orientation pe...
Cited56Views7
56
7
BibtexChatPaperRate
Though widely applied in various technological areas, the knowledge about the molecular behavior of poly-p-xylylene and its derivatives prepared via chemical vapor deposition polymerization is still far from comprehensive, as for this polymer the characterization is limited due t...
Cited0Views4
0
4
BibtexChatPaperRate
Cellulose architectures with redox-chromogenic properties and anchor groups for the immobilization of biomolecules have been prepared by reaction of p-toluenesulfonic acid esters of cellulose (tosylcellulose, DS 2.3) with 1,4-phenylenediamine (PDA) in dimethyl sulfoxide (DMSO) so...
Cited48Views2
48
2
BibtexChatPaperRate
This feature article highlights three types of hyperbranched fluoropolymers (HBFPs) with different structural features, which were synthesized by either polycondensation of fluorinated AB(chi) monomers or self-condensing vinyl (co)polymerization of fluorinated inimers and/or fluo...
Cited60Views2
60
2
BibtexChatPaperRate
F PATAT, J HARTMANN
AbstractLösungen sehr hochmolekularer Dextrane zeigen noch im Bereich kleiner Konzentrationen so starke Abweichungen vom Newton schen Verhalten, daß die Ermittlung schubspannungsunabhängiger Viskositätszahlen auf dem üblichen Wege nicht mehr gelingt. Das Fließverhalten solcher De...
Cited9Views1
9
1
Download
BibtexChatPaperRate
G MENGOLI,G VIDOTTO, FURLANET.F
AbstractThe reaction between naphthalene radical‐anions produced through electrochemical reduction of naphthalene and ethylene and propylene oxides has been investigated in dimethylformamide at various temperatures using amperometric and polarographic techniques. The decay rate o...
Cited1Views3
1
3
Download
BibtexChatPaperRate
Using modified equations for the free energy of mixing of hydrogen bonded polymer blends that include the effects of intramolecular screening and functional group accessibility, we have been able to predict and duplicate experimentally observed miscibility maps for ethylene-stat-...
Cited30Views2
30
2
BibtexChatPaperRate
H MARTIN, FH MULLER
AbstractDynamische Messungen der spezifischen Wärme am Polystyrol zeigen, daß die Ergebmisse von der vorangehenden Temperatur‐Zeit‐Behandlung abhängen. Bei Variation der Abkühlgeschwindigkeit treten in den nachfolgenden Aufheizmessungen zwischen 50 und 100°C Unterschiede im cp‐Ve...
Cited8Views0
8
0
Download
BibtexChatPaperRate
AbstractA newly designed automatically controlled stirred reactor suitable for kinetic measurements of reactions with half lives ≥2s has been applied to follow the anionic polymerization of methyl methacrylate in THF with Na+ as a counter ion in the presence of an excess of NaB(C...
Cited49Views7
49
7
Download
BibtexChatPaperRate
The formation of the inter-associated hydrogen bond between poly(ε-caprolactone) (PCL) and 4,4′-thiodiphenol (TDP) was investigated as a function of composition and temperature by temperature-variable Fourier transform infrared spectroscopy. It was found that the fractions of ass...
Cited38Views3
38
3
BibtexChatPaperRate
AbstractN‐Dithiocarbonyl ethoxycarbonyl amino acids (DTE‐amino acids) (I) are easily converted to high molecular polypeptides by heating in dioxane. To elucidate the reaction mechanism, the formation of by‐products or intermediates in the polymerization of DTE‐glycine and ‐alanin...
Cited22Views0
22
0
Download
BibtexChatPaperRate
AbstractDurch Einwirkung von Siliziumtetrachlorid sowie Alkyl‐ und Arylchlorsilanen auf Pektin in Gegenwart von HCl‐bindenden Verbindungen (Pyridin und Formamid) wurden Kieselsäureester und substituierte Silylderivate des Pektins erhalten. In gleicher Weise wurde eine Penta‐(trim...
Cited24Views1
24
1
Download
BibtexChatPaperRate
The structure and dynamics of polyesters composed from a rigid aromatic backbone and oxyalkyl-perfluoroalkyl side chains have been studied using differential scanning calorimetry, small- and wide-angle X-ray scattering, pressure-volume-temperature measurements and rheology. The s...
Cited34Views13
34
13
BibtexChatPaperRate