Spectroscopic chemical insights leading to the design of versatile sustainable composites for enhanced marine application
Spectroscopic chemical insights leading to the design of versatile sustainable composites for enhanced marine application
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光谱化学见解导致设计多功能可持续复合材料以增强海洋应用
DOI：
10.1039/c5ra19197a
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发表时间：
2015
期刊：
影响因子：
3.9
通讯作者：
Dzielendziak A
中科院分区：
文献类型：
--
作者：
Dzielendziak A
探索了一种基于光固化亚麻油树脂的新型可持续聚合物复合材料的可行性，以期开发其在海洋环境中的潜力。研究的重点是通过光引发阳离子聚合进行固化的紫外光固化树脂。多相固体催化剂的部署包含孤立的Brnsted酸中心，进一步提高了阳离子聚合的效率，从而增强了热稳定性和耐水性。在设计海洋应用的复合树脂时，这些特性是非常可取的。采用了广泛的光谱、量热、热重和计算机模拟等方法研究了该树脂的物理化学特性及其耐黑灰废、耐紫外线和耐湿热老化性能。研究结果表明，与传统的环氧树脂不同，ELO树脂的玻璃化转变温度Tg没有下降，尽管经历了不同的老化方法。此外，在湿热老化过程中被树脂吸收的水分子被发现是通过氢键在结构上结合的，这一点得到了初步计算研究的支持。所得到的结构-性能关系有助于更好地理解老化过程，这可能有助于预测这些可持续聚合物复合材料的寿命，从而开发新的化学方法来提高其耐久性和稳定性。
The viability of a novel sustainable polymeric composite material, based on photocurable linseed oil resin was explored, with a view to exploiting its potential in marine environments. The study focused on a UV-curable resin subjected to setting through photoinitiated cationic polymerisation. Deployment of heterogeneous solid catalysts, containing isolated Brønsted acid centres, further improved the efficiency of cationic polymerisation, leading to enhanced thermal stability and water resistance. These features are highly desirable in the design of composite resins for marine applications. A wide range of spectroscopic, calorimetric and thermogravimetric methods as well as computational simulations have been employed to study the physico-chemical characteristics of the resin and its resistance to black and grey waste, UV resistance and hygrothermal ageing. The findings have revealed that, unlike conventional epoxy resins, the ELO resin demonstrated no decrease in glass transition temperature, Tg, despite having been exposed to different methods of ageing. In addition, the water molecules that are absorbed by the resin during hygrothermal ageing have been found to be structurally-bound through hydrogen bonding, which is supported by initial computational studies. The structure–property correlations that have been derived help to better understand the ageing process, which could be beneficial in predicting the lifetimes of these sustainable polymeric composite materials and consequently developing novel chemical methods for improving their durability and stability.
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DOI：
--
发表时间：
2011-11
期刊：
--
影响因子：
--
作者：
入江 正浩
通讯作者：
入江 正浩
影响因子：
5.9
作者：
Lorcks, J
通讯作者：
Lorcks, J
威利复合材料百科全书
DOI：
--
发表时间：
2012
期刊：
影响因子：
--
作者：
L. Nicolais;A. Borzacchiello;Stuart M. Lee
通讯作者：
Stuart M. Lee
表面涂料用亚麻籽油改性聚酯酰胺树脂的制备及表征
DOI：
--
发表时间：
2004
期刊：
影响因子：
--
作者：
Pradeep Shende;S. B. Dabhade;Y. D. Phalke
通讯作者：
Y. D. Phalke
研究位点特异性相互作用并探讨它们在改变框架结构中酸强度中的作用。
DOI：
--
发表时间：
2013
期刊：
Physical Chemistry, Chemical Physics - PCCP
影响因子：
--
作者：
M. Potter;Danni Sun;E. Gianotti;M. Manzoli;Robert Raja
通讯作者：
Robert Raja