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单词 Polyvinyl nitrate
释义

Polyvinyl nitrate

英语百科

Polyvinyl nitrate

Polyvinyl nitrate (PVN) is a polymeric explosive material, an ester of nitric acid and polyvinyl alcohol. It is prepared by nitration of polyvinyl alcohol or transesterification of polyvinyl acetate. It is a thermoplastic substance with softening zone between 30-45 °C, depending on the molecular weight of the starting polyvinyl alcohol.

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