Effect of Microwave Drying on Structure and Properties of Natural Rubber

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Abstract:

The morphological structure and properties of wet natural rubber (NR) granulates dried by microwave were studied, which compared with wet NR granulates dried by hot-air. The results show that the molecular weight of NR dried by microwave is higher than that of NR dried by hot-air, and the molecular weight distribution of NR dried by microwave is narrower than that of NR dried by hot-air. The wet NR granules dried by microwave are rough on surfaces and the cutting traces produced during the processing remained on surfaces; whereas the wet NR granules dried by hot-air are smooth on surfaces resulted from melt adhered, and the cutting traces disappeared; the thermal-oxidative resistance of NR vulcanizates dried by microwave improved significantly.

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Periodical:

Advanced Materials Research (Volumes 538-541)

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2409-2412

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Online since:

June 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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