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玉米秸微波液化合成可生物降解聚氨酯泡沫研究
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公益性行業(yè)（農(nóng)業(yè)）科研專項經(jīng)費資助項目（201003063）;中央高?；究蒲袠I(yè)務費資助項目（2011JS017）;北京市自然科學基金資助項目（6112014）


Biodegradable Polyurethane Foam with Liquefied Product from Corn Stover
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    摘要:

    以玉米秸稈為原料，采用微波液化產(chǎn)物合成可生物降解聚氨酯泡沫，替代傳統(tǒng)石化產(chǎn)品多元醇制備聚氨酯泡沫。通過異氰酸根指數(shù)及發(fā)泡劑水用量對聚氨酯泡沫材料密度、機械性能的影響分析，得到優(yōu)化的聚氨酯合成工藝條件：水添加量0.30g、異氰酸根指數(shù)為1.0；采用土埋法生物降解試驗發(fā)現(xiàn)，液化產(chǎn)物制備的聚氨酯泡沫在埋置6個月后質(zhì)量損失約18.71%，熱重分析表明合成的聚氨酯泡沫熱分解分為4個典型的階段。試驗結果表明玉米秸稈微波液化產(chǎn)物可合成環(huán)境友好可生物降解聚氨酯泡沫，但其材料性能有待進一步表征。

    Abstract:

    With the aim to explore the efficient application of microwave liquefied product, experiment on the synthesis of polyurethane (PU) with microwave liquefied product from corn stover instead of petrochemical polyol was carried out. The optimized synthetic process of PU was 0.30g foam blowing agent and isocyanate index 1.0. The biodegradable property of the composites was investigated by means of bury test which showed 18.71% degradation rate in six months. The thermal gravimetric analysis indicated four phases in the thermal pyrolysis of PU. All the results indicated microwave liquefied product from corn stover could be used for the production of PU foam while the material property was to be characterized and improved.

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肖衛(wèi)華,李振寧,牛文娟,韓魯佳.玉米秸微波液化合成可生物降解聚氨酯泡沫研究[J].農(nóng)業(yè)機械學報,2013,44(3):124-128. Xiao Weihua, Li Zhenning, Niu Wenjuan, Han Lujia. Biodegradable Polyurethane Foam with Liquefied Product from Corn Stover[J]. Transactions of the Chinese Society for Agricultural Machinery,2013,44(3):124-128.

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  • 在線發(fā)布日期: 2013-02-25
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