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首页> 美国卫生研究院文献>Polymers >Biosynthesized Poly(3-Hydroxybutyrate) on Coated Pineapple Leaf Fiber Papers for Biodegradable Packaging Application
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Biosynthesized Poly(3-Hydroxybutyrate) on Coated Pineapple Leaf Fiber Papers for Biodegradable Packaging Application

机译：用于可生物降解包装应用的涂层菠萝叶纤维纸上生物合成的聚（3-羟基丁酸）

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摘要

This paper is aimed at investigating the usage of biosynthesized poly(3-hydroxybutyrate) (P(3-HB)) for a coating on pineapple leaf fiber paper (PLFP). For this purpose, (P(3-HB)) was produced by Rhodococcus pyridinivorans BSRT1-1, a highly potential P(3-HB) producing bacterium, with a weight-average molecular weight (Mw) of 6.07 × 10 −5 g/mol. This biosynthesized P(3-HB) at 7.5% (w/v) was then coated on PLFP through the dip-coating technique with chloroform used as a solvent. The respective coated PLFP showed that P(3-HB) could be well coated all over on the PLFP surface as confirmed by scanning electron microscopy (SEM) and Fourier transform infrared (FTIR) spectroscopy. The brightness and mechanical properties of PLFP could be improved by coating with biosynthesized P(3-HB) in comparison to commercially available P(3-HB) and non-coated PLFP. Furthermore, coating of P(3-HB) significantly increased the water drop penetration time on the surface of PLFP and was similar to that of the commercial P(3-HB) with the same content. The results showed that all the coated PLPF samples can be degraded under the soil burial test conditions. We have demonstrated that the P(3-HB) coated PLFP paper has the ability to prevent water drop penetration and could undergo biodegradation. Taken together, the P(3-HB) coated PLFP can be applied as a promising biodegradable paper packaging.
机译：本文旨在研究菠萝叶纤维纸（PLFP）的涂层的生物合成聚（3-羟基丁酸酯）（P（3-Hb））的用途。为此目的，（P（3-Hb））由rhodococcus pyridinivorans bsrt1-1制备，产生的高潜在的p（3-hb）产生细菌，其重均分子量（mw）为6.07×10 -5g / mol。然后将这种生物合成的P（3-HB）在7.5％（w / v）下通过用作溶剂的氯仿涂覆在PLFP上。相应的涂覆的PLFP显示P（3-Hb）可以通过扫描电子显微镜（SEM）和傅里叶变换红外（FTIR）光谱证实，在PLFP表面上均匀涂覆。与商业上可获得的P（3-HB）和非涂覆的PLFP相比，通过用生物合成的P（3-HB）涂覆PLFP的亮度和力学性能。此外，P（3-Hb）的涂层显着增加了PLFP表面上的水滴渗透时间，并且与具有相同内容的商业P（3-HB）的水滴渗透时间增加。结果表明，所有涂覆的PLPF样品都可以在土壤墓穴测试条件下降解。我们已经证明，P（3-HB）涂层PLFP纸具有防止水滴渗透并可能经历生物降解的能力。占用，P（3-HB）涂层PLFP可作为有前途的可生物降解的纸包装应用。

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