| 纳米碳酸钙的特点与应用 |
| Characteristics of Nano-calcium Carbonate and Its Application |
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| DOI： |
| 中文关键词: 纳米材料 碳酸钙 橡胶 补强 |
| 英文关键词: nano-material calcium carbonate rubber reinforcement |
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| 中文摘要: |
| 根据纳米碳酸钙的特点及填充补强机理，将白燕华CC填充于NR，SBR及BR胶料中，测试其补强填充效果。结果表明，随白燕华CC用量的增大，BR和SBR胶料的拉伸强度明显上升，而NR胶料则表现为先缓慢上升，在白燕华CC用量大于60份后明显下降；SBR和BR胶料的撕裂强度则不如NR胶料增长显著。在SBR和BR胶料中随白燕华CC用量的增大，硫化时间明显缩短。纳米碳酸钙可部分或大部分替代炭黑和白炭黑作补强填料，具有填充量大，补强、增白效果好等特点，适宜在浅色橡胶制品中应用。 |
| 英文摘要: |
| The reinforcing effect of Calcene CC in NR，SBR or BR was determined.The results showed that the tensile strength of BR or SBR compounds increased remarkably as the level of Calcene CC increased ；the tensile strength of NR compound increased slowly at first as the level of Calcene CC
increased，but started to decrease significantly as the level of Calcene CC increased to 60 phr；the tear strength of NR compound improved more significantly than that of SBR or BR compounds.The curing cycle sho rtened significantly as the level of Calcene CC in SBR or BR compounds increased.Nano-calcium carbonate could be used as reinforcing filler partly instead of carbon black or silica，and it featured higher loading level，better reinforcing and whitening effects，and was suitable to be used in the light color rubber products. |
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