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首页> 外文期刊>Journal of Applied Polymer Science >Reduction of time-releasing ammonia from polymer foam using low acidic polymers
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Reduction of time-releasing ammonia from polymer foam using low acidic polymers

机译：使用低酸性聚合物从聚合物泡沫中减少时间释放氨

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摘要

Polymer foams are used in everyday life for industrial and household applications. However, the time-releasing ammonia is environmentally harmful that becomes attractive. Here, we introduce a technically advanced synthetic process for the polyvinyl chloride (PVC) foam, in which the emission of ammonia gas is significantly reduced by using the polymeric acids. The PVC foam has processed with azodicarbonamide (ADCA) as a chemical blowing agent after the solid type polymeric acid is mixed as supporting agent. While the characteristic properties such as specific gravity (density) and chromaticity of PVC foams are not critically changed, the reduction of time-releasing ammonia is up to 85% compared to the PVC foam without polymeric acid. This is attributed to the cell structure with small sub-cells and lots of connecting channels and the chemically capturing ammonia of polymeric acids.
机译：聚合物泡沫用于日常生活中的工业和家庭应用。然而，释放氨的时间对环境有害，这一点很有吸引力。在这里，我们介绍了一种技术先进的聚氯乙烯（PVC）泡沫合成工艺，其中使用聚合酸可显著减少氨气的排放。以固体型聚合酸为支撑剂，以偶氮二甲酰胺（ADCA）为化学发泡剂，对PVC泡沫进行加工。虽然PVC泡沫塑料的比重（密度）和色度等特性没有发生严重变化，但与不含聚合酸的PVC泡沫塑料相比，氨释放时间减少了85%。这归因于具有小的亚细胞和许多连接通道的细胞结构，以及聚合酸对氨的化学捕获。

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