STUDY ON POSITRON ANNIHILATION LIFETIME SPECTRA IN RAW AND HEAT-CURED SILICONE RUBBER

The method of analyzing positron annihilation lifetime spectra was used to study molecular structures of raw silicone rubbers with different molecular weights and heat-cured silicone rubbers’s constitutions. The positron annihilation lifetime spectra were measured using a fast-fast coincidence circu...

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Veröffentlicht in:中国科学通报:英文版 1989 (7), p.612-612
1. Verfasser: 尹传元 周彩华 沈德勋 滕敏康
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Sprache:eng
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Zusammenfassung:The method of analyzing positron annihilation lifetime spectra was used to study molecular structures of raw silicone rubbers with different molecular weights and heat-cured silicone rubbers’s constitutions. The positron annihilation lifetime spectra were measured using a fast-fast coincidence circuitry positron lifetime spectrometer modified by us from a fast-slow delayed coincidence positron lifetime spectrometer
ISSN:2095-9273