| 功能化还原氧化石墨烯/天然橡胶导热复合材料的性能研究 |
| Study on Properties of Functionalized Reduced Graphene Oxide/NR Thermally Conductive Composites |
| 投稿时间：2020-10-27 修订日期：2020-11-10 |
| DOI：10.12136/j.issn.1000-890X.2021.03.0163 |
| 中文关键词: 氧化石墨烯 还原氧化石墨烯 功能化 天然橡胶 复合材料 导热性能 拉伸强度 |
| 英文关键词: GO rGO functionalization NR composite tensile strength thermal conductivity |
| 基金项目:山西省科技重大专项项目(20181101010) |
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| 中文摘要: |
| 采用2-巯基苯并咪唑（防老剂MB，以下简称MB）对GO进行还原及功能化，同时与采用抗坏血酸（VC）对GO进行还原以比，分别制得MB还原氧化石墨烯（rGO-MB）和VC还原氧化石墨烯（rGO-VC），并采用胶乳共混法制备rGO-MB/NR和rGO-VC/NR复合材料，对其性能进行研究。结果表明：MB成功还原了GO，MB接枝到了GO上；与rGO-VC/NR复合材料相比，rGO-MB/NR复合材料具有较低的Panye效应和较高的结合胶含量，拉伸强度和导热性能均明显提高。 |
| 英文摘要: |
| In this study，graphene oxide （GO）was reduced and functionalized by using 2-
mercaptobenzimidazole（antioxidant MB，hereinafter referred to as MB）and ascorbic acid（VC），respectively.
Natural rubber （NR） composites filled with MB reduced graphene oxide （rGO-MB） and VC reduced
graphene oxide （rGO-VC） were prepared by latex blending method，and their properties were studied.
The results showed that，GO was successfully reduced and grafted by MB. Compared with rGO-VC/
NR composites，rGO-MB/NR composites had lower Payne effect，higher content of bound rubber，and
significantly improved tensile strength and thermal conductivity. |
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