Xiangwen Zhou Yuefeng Zhu Ji Liang Suyuan Yu
材料科学技术（英文）
A novel technology to prepare styrene-butadiene rubber (SBR)/carbon nanotubes (CNTs) composites was developed by combining a spray drying method and a subsequent mechanical mixing process. The cross-linking degrees of the vulcanized composites increased gradually with the additive CNTs contents. By comparing with those of the pure SBR composites, the mechanical properties such as tensile strength, tear strength and hardness of the composites filled with CNTs at certain contents were dramatically improved almost by 600%, 250% and 70%, respectively. The fabrication of the CNTs filled with SBR composites by combination of the spray drying method and subsequent mechanical mixing process was effective for enhancing the reinforcement
effects of CNTs in rubbers. The novel technology can also open a new route for the modification and reinforcement on the nanocomposites with large amount of CNTs.
关键词:
Carbon nanotubes
,
styrene-butadiene rubber
,
spray drying
,
mechanical mixing
,
nanocomposite
,
mechanical property
熊乐艳
,
郑龙珍
,
邹志君
,
亢晓卫
,
王卫
,
杨绍明
,
夏坚
材料科学与工程学报
通过主、客体反应合成了水溶性的C60-羟丙基-β-环糊精包络化合物,负载在石墨烯表面制备了C60-羟丙基-β-环糊精包络化合物/石墨烯纳米复合材料光催化剂.在常温常压条件下,该催化剂在紫外光照射下成功地将N2还原为NH3,计算出固氮反应的平均转化数(TON)为2.2,平均转化频率(TOF)为0.7h-1.C60-羟丙基-β-环糊精包络化合物/石墨烯纳米复合材料为常温常压下固氮反应提供了一种新型光催化剂,并为合成氨的研究提供了一条新思路.
关键词:
光催化剂
,
C60
,
石墨烯
,
环糊精
,
纳米复合材料
,
合成氨
