文章摘要
Effect of Preservative HY on Consistency of Physicochemical Properties of NR
Received:June 10, 2020  Revised:June 10, 2020
DOI：10.12136/j.issn.1000-890X.2021.06.426
Key Words: NR；natural latex；preservative；physicochemical property；Mooney viscosity；initial plasticity value；plasticity retention index；consistency
Author NameAffiliationE-mail
HUANG Honghai Key Laboratory of Rubber Tree Biology and Genetic Resources Utilization Ministry of Agriculture and Rural Affairs/Natural Rubber Cultivation and Processing Engineering Research Center of Hainan Province，Institute of Rubber Research，Chinese Academy of Tropical Agricultural Sciences honghaihuang2009@163.com 
LI Jianwei Key Laboratory of Rubber Tree Biology and Genetic Resources Utilization Ministry of Agriculture and Rural Affairs/Natural Rubber Cultivation and Processing Engineering Research Center of Hainan Province，Institute of Rubber Research，Chinese Academy of Tropical Agricultural Sciences  
SONG Yazhong Key Laboratory of Rubber Tree Biology and Genetic Resources Utilization Ministry of Agriculture and Rural Affairs/Natural Rubber Cultivation and Processing Engineering Research Center of Hainan Province，Institute of Rubber Research，Chinese Academy of Tropical Agricultural Sciences  
DING Li Key Laboratory of Rubber Tree Biology and Genetic Resources Utilization Ministry of Agriculture and Rural Affairs/Natural Rubber Cultivation and Processing Engineering Research Center of Hainan Province，Institute of Rubber Research，Chinese Academy of Tropical Agricultural Sciences  
WANG Yuekun Key Laboratory of Rubber Tree Biology and Genetic Resources Utilization Ministry of Agriculture and Rural Affairs/Natural Rubber Cultivation and Processing Engineering Research Center of Hainan Province，Institute of Rubber Research，Chinese Academy of Tropical Agricultural Sciences  
ZHAO Liguang Key Laboratory of Rubber Tree Biology and Genetic Resources Utilization Ministry of Agriculture and Rural Affairs/Natural Rubber Cultivation and Processing Engineering Research Center of Hainan Province，Institute of Rubber Research，Chinese Academy of Tropical Agricultural Sciences  
GUI Hongxing* Key Laboratory of Rubber Tree Biology and Genetic Resources Utilization Ministry of Agriculture and Rural Affairs/Natural Rubber Cultivation and Processing Engineering Research Center of Hainan Province，Institute of Rubber Research，Chinese Academy of Tropical Agricultural Sciences guihongxing@263.net 
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Abstract:
      The effect of natural latex preservative HY on the consistency of the physicochemical properties of natural rubber（NR） was studied.The results showed that a good preservation effect was achieved by using preservative HY and modified preservative HY instead of ammonia as the preservative of fresh latex.It was found that the Mooney viscosity and initial plasticity value of NR were basically constant through coagulation.Specifically，NR preserved with preservative HY could meet the requirements of high constant viscosity after cougulation for 2 d，and NR preserved by the modified preservative HY could meet the requirements of medium constant viscosity.Compared with NR preserved by ammonia，the oxidation resistance of NR preserved with preservative HY was slightly lower.
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