Characterization of styrene-divinylbenzene copolymers by high-resolution pyrolysis-gas chromatography

1985 ◽  
Vol 18 (10) ◽  
pp. 2068-2072 ◽  
Author(s):  
Hiroshi Nakagawa ◽  
Shin Tsuge
Keyword(s):  
Gas Chromatography ◽  
High Resolution ◽  
Pyrolysis Gas ◽  
Pyrolysis Gas Chromatography ◽  
Styrene Divinylbenzene

Characterization of poly(2,6-dimethyl-1,4-phenylene ether) by high resolution pyrolysis-gas chromatography (HR-Pyg.c.)

Polymer ◽  
1992 ◽  
Vol 33 (14) ◽  
pp. 3024-3030 ◽  
Author(s):  
Takao Usami ◽  
Fumio Keitoku ◽  
Hajime Ohtani ◽  
Shin Tsuge
Keyword(s):  
Gas Chromatography ◽  
High Resolution ◽  
Pyrolysis Gas ◽  
Pyrolysis Gas Chromatography

Characterization of chloromethyl-substituted polystyrene networks by high-resolution pyrolysis-gas chromatography

1988 ◽  
Vol 21 (4) ◽  
pp. 930-933 ◽  
Author(s):  
H. Nakagawa ◽  
S. Tsuge ◽  
S. Mohanraj ◽  
Warren T. Ford
Keyword(s):  
Gas Chromatography ◽  
High Resolution ◽  
Pyrolysis Gas ◽  
Pyrolysis Gas Chromatography

Characterization of Vulcanized EPDM Rubbers by High-Resolution Pyrolysis Gas Chromatography

1991 ◽  
Vol 64 (5) ◽  
pp. 708-713 ◽  
Author(s):  
T. Yamada ◽  
T. Okumoto ◽  
H. Ohtani ◽  
S. Tsuge
Keyword(s):  
Gas Chromatography ◽  
High Resolution ◽  
Degradation Products ◽  
Polymeric Materials ◽  
Pyrolysis Gas ◽  
Ethylene Propylene ◽  
Pyrolysis Gas Chromatography ◽  
Vulcanized Rubber ◽  
Thermal Degradation Behavior

Abstract Pyrolysis gas chromatography (PyGC) is a powerful tool to give unique information of high polymers. Especially, PyGC is favorable for the practical analysis of insoluble polymeric materials such as vulcanized rubbers. In the previous paper, the structures of commercially available unvulcanized ethylene-propylene-ethylidenenorbornene rubbers (ENB-EPDMs) were investigated by high-resolution PyGC. The observed high-resolution pyrograms of the unvulcanized EPDMs were correlated to the ENB content. In addition, several peaks of the characteristic degradation products were interpreted in terms of the sequence distribution and the ethylene-propylene composition. In this work, vulcanized ENB-EPDMs (V-EPDMs) cured with two types of vulcanizing agents were studied using high-resolution PyGC. Characteristic pyrolysis products formed at 650°C were separated by the high-resolution capillary column, and the resulting pyrograms were interpreted in terms of ENB content in the vulcanized rubber samples. In addition, thermal degradation behavior of the ENB units in V-EPDMs was investigated.

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