期刊
POLYMER CHEMISTRY
卷 5, 期 2, 页码 535-550出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3py00825h
关键词
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资金
- National Science Council of Taiwan, Republic of China [NSC 101-2113-M-030-006-MY2]
This paper presents the first successful application of vinyl polymer/graphene-based nanocomposites in corrosion protection. Well-dispersed polystyrene (PS)/modified-GO nanocomposites were successfully prepared using in situ miniemulsion polymerisation. The as-prepared nanocomposites exhibit superior anti-corrosion properties compared with pure PS, in which the corrosion protection efficiency increased from 37.90% to 99.53% with the incorporation of 2 wt% modified GO in the PS polymer matrix. The thermal stability and mechanical properties also greatly improved compared with pure PS. The incorporation of 2 wt% modified GO in the PS polymer matrix increased the thermal decomposition temperature (T-d) from approximately 298 to 372 degrees C, and the storage modulus increased from 1808.76 to 2802.36 MPa. This paper attributes the substantially improved properties to the nearly complete exfoliation of the modified-GO dispersion, which greatly enhanced the modified-GO/PS interfacial bond strength and gas barrier properties.
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