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Mechanical Properties and Biodegradability of Cuttlebone/NR Composites

机译：立方骨/ NR复合材料的力学性能和生物降解性

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摘要

Cuttleboneatural rubber (NR) composites were successfully prepared via three sulfur vulcanization systems, conventional, semi-efficient and efficient vulcanizations. The clarification of the organic component from cuttlebone particles was performed by acid-based detnineralization and protease treatment. The incorporation of the cuttlebone particles did not prevent the sulfur cross-linking reaction of NR in three sulfur curing systems. The mechanical properties, in terms of the modulus of composite materials, were improved by using cuttlebone particles as the reinforcing filler due to the presence of the organic components. The interaction between cuttlebone particles with the NR matrix was greater than that between commercial CaCO_3 and NR matrix, as confirmed by scanning electron microscopy. The mechanism of the reinforcement effect of cuttlebone on NR vulcanizates is proposed. The degradation of the NR vulcanizates in both landfill and liquid bacterial culture assays revealed that cuttlebone/NR green composite materials could be degradable within 3 months and 8 weeks, respectively.
机译：通过三种硫磺硫化系统（常规，半高效和高效硫化）成功制备了牛骨/天然橡胶（NR）复合材料。通过基于酸的脱矿质和蛋白酶处理来实现对中cut骨颗粒中有机成分的澄清。硬皮骨颗粒的掺入并不能防止在三个硫磺硫化体系中NR的硫磺交联反应。通过使用硬骨鱼骨颗粒作为增强填料，由于复合材料的存在，机械性能（以复合材料的模量计）得以改善。通过扫描电子显微镜证实，cut骨颗粒与NR基质之间的相互作用大于商业CaCO_3与NR基质之间的相互作用。提出了牛骨对天然橡胶硫化胶增强作用的机理。 NR硫化橡胶在垃圾填埋场和液体细菌培养试验中的降解表明，墨鱼骨/ NR绿色复合材料可分别在3个月和8周内降解。

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  • 来源
    《Journal of Polymers and the Environment》 |2013年第3期|766-779|共14页
  • 作者

    Pontawit Klungsuwan; Amnat Jarerat; Sirilux Poompradub;

  • 作者单位

    Program of Petrochemistry and Polymer Science, Faculty of Science, Chulalongkom University, 254 Phayathai Road,Bangkok 10330, Thailand;

    Food Technology Program, Mahidol University, Kanchanaburi Campus, Saiyok, Kanchanaburi 71150, Thailand;

    Department of Chemical Technology, Faculty of Science,Chulalongkom University, 254 Phayathai Road, Bangkok 10330,Thailand,Center for Excellence on Petrochemical and Materials Technology, Chulalongkom University, 254 Phayathai Road,Bangkok 10330, Thailand;

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  • 正文语种 eng
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  • 关键词

    Biodegradable; Cuttlebone; Composites; Mechanical properties;

    机译：可生物降解;ttle骨;复合材料;机械性能;

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