Preparation of constant viscosity natural rubber with mercaptan

Heping, Y., Zongqiang, Z., Qifang, W., Yongyue, L., Xia, Z., Linxue, K. and Zhanjiang, 2011, Preparation of constant viscosity natural rubber with mercaptan, KGK online, vol. May, pp. 31-34.

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Title Preparation of constant viscosity natural rubber with mercaptan
Author(s) Heping, Y.
Zongqiang, Z.
Qifang, W.
Yongyue, L.
Xia, Z.
Linxue, K.
Zhanjiang,
Journal name KGK online
Volume number May
Start page 31
End page 34
Total pages 4
Publisher Huethig GmbH & Co. KG
Place of publication [Berlin , Germany]
Publication date 2011
ISSN 0948-3276
Keyword(s) constant viscosity natural rubber
storage hardening
Mercaptan
Summary Constant viscosity natural rubber has been prepared using mercaptan. The accelerated storage tests indicate that the storage hardening phenomenon of natural rubber can be inhibited by mercaptan. The amount of mercaptan (2-mercaptobenzothiazole) of 0.14 phr is sufficient to prepare constant viscosity natural rubber and the storage hardening numbers of constant viscosity NR in both Mooney viscosity and Wallace plasticity are less than 4. The processing properties and anti-oxidative behavior of CV-NR can be improved, although the mechanical properties of vulcanizates decreased slightly as compared to those of natural rubber. The results further support the hypothesis that the abnormal groups in natural rubber molecules are aldehyde groups and are responsible for the hardening of natural rubber.
Language eng
Field of Research 091209 Polymers and Plastics
030306 Synthesis of Materials
Socio Economic Objective 860608 Rubber and Synthetic Resins
HERDC Research category C1.1 Refereed article in a scholarly journal
Persistent URL http://hdl.handle.net/10536/DRO/DU:30044120

Document type: Journal Article
Collection: Centre for Material and Fibre Innovation
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