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Featured researches published by Gunter Weber.


Colloid and Polymer Science | 1982

Ein neues Kontrastierungsverfahren für die elektronenmikroskopische Untersuchung der Morphologie von Polyamiden

Gunter Weber; D. Kuntze; Wolfgang Stix

ZusammenfassungEine neue Kontrastierungsmethode erlaubt erstmals die direkte Beobachtung der kristallinen und amorphen Bereiche in Ultradünnschnitten aus Polyamiden im Transmissions-Elektronenmikroskop (TEM). Als Kontrastierungslösung wird ein Gemisch aus gleichen Teilen einer wäßrigen Lösung aus Formaldehyd und Osmiumtetroxid (OsO4) verwendet.Die MikroStruktur der Polymeren wird durch das Kontrastierungsverfahren nicht verändert.AbstractA new contrasting method for the direct observation of the microstructure of polyamides in the transmission electron microscope (TEM) was found. In the mixture of formaldehyde and osmium tetroxide (OsO4) in an aqueous solution the OsO4 is reduced by formaldehyde and reacts very selectively with the carbonamide groups without causing a reorganization of the structure of the polymer. As a result the density of the amorphous regions in the semicrystalline polyamides is increased. From ultrathin sections high contrasted micrographs can be obtained in the TEM.


Archive | 1985

Thermoplastic moulding compositions based on polyalkylene terephthalate and polymer and a process for the production thereof

Karl-Heinz Dr. Köhler; Christian Dr. Lindner; Dieter Dr. Rempel; Gunter Weber; Karl-Heinz Dr. Ott; Rudolph Dr Binsack


Angewandte Makromolekulare Chemie | 1985

Morphologie und technologische eigenschaften von polycarbonat/ABS-mischungen†‡

Gunter Weber; Jochen Dr. Schoeps


Archive | 1985

Thermoplastic processing of thermotropic liquid-crystalline polymers under the influence of electric fields

Gunter Weber; Hans-Rudolf Dr. Dicke; Roland Vogelsgesang; Walter Simm; Hermann Dr. Brinkmeyer


Archive | 1996

Thermoplastically workable, biodegradable moulding compositions

Joachim Simon; Hanns Peter Dr. Müller; Dirk Dijkstra; Jürgen Engelhardt; Volkhard Müller; Gunter Weber


Angewandte Makromolekulare Chemie | 1978

TSD‐Untersuchungen zum Einfluß von Wasser auf die molekularen Beweglichkeiten in Polyamid‐6

Gunter Weber


Archive | 1994

Thermoplastic cellulose ether ester graft copolymers and process for their production

Jochen Kalbe; Hanns Peter Dr. Müller; Rainhard Koch; Jürgen Engelhardt; Wolfgang Koch; Klaus Szablikowski; Gunter Weber


Archive | 1993

Tubular casing with an organochlorine-free coating impermeable to oxygen and water vapor, a process for its production and its use

Kirkor Sirinyan; Hanns-Peter Dr. Müller; Rolf Dhein; Gunter Weber; Sebastian Dipl Che Meyer-Stork; Michael Stiem


Archive | 1991

CELLULOSE/PLASTIC BLENDS, A PROCESS FOR THEIR PRODUCTION AND THEIR USE

Hanns-Peter Dr. Müller; Tillmann Hassel; Gunter Weber


Archive | 1995

Thermoplastic biodegradable polysaccharide derivatives, process for the manufacture thereof and use thereof

Jochen Kalbe; Hanns-Peter Dr. Müller; Rainhard Koch; Jürgen Engelhardt; Wolfgang Koch; Klaus Szablikowski; Gunter Weber

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