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Self-sacrificed template synthesis of ribbon-like hexagonal boron nitride nano-architectures and their improvement on mechanical and thermal properties of PHA polymer.


ABSTRACT: Two-dimensional (2-D) boron nitride (BN) nanomaterials have received intensive attention because of their attractive mechanical, thermal and chemical stability. Here we demonstrate, for the first time, the synthesis of ribbon-like hexagonal boron nitride nano-architectures (RLBN) through a simple self-sacrificed template method using the cheap boric acid and melamine as raw materials. After the freeze-drying and thermal decomposition process, uniform ultrathin RLBN with width of 200-500?nm and thick of a few nanometers can be obtained. The RLBN with high quality tremendously improves the mechanical and thermal properties of Polyhydroxyalkanoates (PHA) polymer. The decomposition temperature (Td) of PHA increases from 368?°C to 390?°C, while the thermal conductivity increases by 46.0% with RLBN doped. The ductility (strain at break), yield strength and tensile strength of PHA@RLBN composite are also enhanced by 52.3%, 49.4% and 6.01% respectively.

SUBMITTER: Zhao Y 

PROVIDER: S-EPMC5567015 | biostudies-literature | 2017 Aug

REPOSITORIES: biostudies-literature

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Self-sacrificed template synthesis of ribbon-like hexagonal boron nitride nano-architectures and their improvement on mechanical and thermal properties of PHA polymer.

Zhao Yan Y   Liu Zhenya Z   Cao Chaochao C   Wang Chong C   Fang Yi Y   Huang Yang Y   Yu Chao C   Zhang Jun J   Li Lanlan L   Hu Long L   Tang Chengchun C  

Scientific reports 20170821 1


Two-dimensional (2-D) boron nitride (BN) nanomaterials have received intensive attention because of their attractive mechanical, thermal and chemical stability. Here we demonstrate, for the first time, the synthesis of ribbon-like hexagonal boron nitride nano-architectures (RLBN) through a simple self-sacrificed template method using the cheap boric acid and melamine as raw materials. After the freeze-drying and thermal decomposition process, uniform ultrathin RLBN with width of 200-500 nm and t  ...[more]

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