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首页> 外文期刊>RSC Advances >Eco-friendly transparent poplar-based composites that are stable and flexible at high temperature
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Eco-friendly transparent poplar-based composites that are stable and flexible at high temperature

机译：生态友好的透明杨木基复合材料，在高温下稳定且具有柔韧性

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Farmed poplar could meet the human demand for transparent wood-based composites to replace glass, avoiding the consumption of natural forest resources. We removed the lignin of poplar using a potassium hydroxide (KOH) and deionized water solution, the waste black liquor could be converted into compound potassium fertilizer after being neutralized by phosphoric acid. Polyurethane (PU) was then added to the lignin-stripped poplar and hardened, the transparent poplar-based composite (TPC) has stable transparency at high temperatures, and flexibility – it elongates (about 15%) before breaking. These properties could provide more uses in hot environments requiring a flexible shape. The TPC PU provides transmittance of 85%, haze of 83%, and anisotropic light diffraction.
机译：种植的杨树可以满足人类对透明木基复合材料替代玻璃的需求，从而避免了天然森林资源的消耗。我们用氢氧化钾（KOH）和去离子水溶液去除了杨木的木质素，废黑液经磷酸中和后可以转化为复合钾肥。然后将聚氨酯（PU）添加到木质素剥离的杨木中并进行硬化，透明的杨木基复合材料（TPC）在高温下具有稳定的透明性和柔韧性–断裂前伸长（约15％）。这些特性可以在需要灵活形状的高温环境中提供更多用途。 TPC PU提供了85％的透射率，83％的雾度和各向异性光衍射。

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