| Characteristics of Nano-calcium Carbonate and Its Application |
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| DOI： |
| Key Words: nano-material；calcium carbonate；rubber；reinforcement |
| Author Name | Affiliation | | Wu Shaoyin | South China University of Technology | | Lian Ensheng | Guangping Chemical Industry Co.，Ltd |
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| Abstract: |
| 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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