| Experimental Study of Plasticizer Dispergum 24 |
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| DOI： |
| Key Words: plasticizer；Dispergum 24；plastification；organic pro-oxygenic agent；NR |
| Author Name | Affiliation | | Guan Qinglu | Qingdao No.2 Rubber Factory |
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| Abstract: |
| A chemical analysis of plasticizer Dispergum 24 was made and its plastification effect in the production formula was studied. The results showed that the organic pro-oxygenic agent and the zinc salt of fatty acid were the main components of Dispergum 24，and there wasn′t any pentachlorothiophenolin it；Dispergum 24 had a remarkable plastification for NR or NR blend system in a quite wide temperature range；the Dispergum 24-containing compound was not subject to be overmixed，and the comparable vulcanization characteristics of compound and physical properties of vulcanizate were obtained because sulfur，antioxidant and carbon black would inhibit the activity of pro-oxygenic agent；Dispergum 24 served as lubricant in mix to decrease the heat build-up in calendering process and promote the dispersion of ingredients in compound. |
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