| Effect of processing aid DF on crosslinking network structure of ACM rubber |
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| DOI： |
| Key Words: processing aid；ACM rubber；crosslinking network；crosslink density；compression set |
| Author Name | Affiliation | | CHEN Zhao-hui | South China University of Technology | | FAN Hong | South China University of Technology | | WANG Di-zhen | South China University of Technology |
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| Abstract: |
| The effect of a new processing aid DF on the crosslinking network structure of ACM rubber was investigated and a comparison test of DF was made to conventional processing aid （stearic acid）and imported processing aid （WB）.The results showed that the acidity values of three processing aids were in order of stearic acid>DF>WB；the acidity of processing aid delayed the curing process of alkali metal soap/sulfur curing system to decrease the curing rate and state；the effects of processing aids on the crosslinking density of the first-stage cured ACM rubber were in order of stearic acid>DF>WB；the effects of the increase of processing aids additional level on the increase of the compression set for the second-stage cured ACM rubber were in order of stearic acid>WB=DF. |
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