文章摘要
Properties of NR from Five Rubber Tree Strains
Received:February 21, 2020  Revised:February 21, 2020
DOI：10.12136/j.issn.1000-890X.2021.04.0276
Key Words: rubber tree strain；NR；natural rubber latex；dry rubber content；physicochemical characters；storage performance；vulcanization characteristics；physical property
Author NameAffiliationE-mail
YAN Li Yunnan Institute of Tropical yanli823@sina.cn 
ZHANG Guimei Yunnan Institute of Tropical  
JIANG Shikua Yunnan Institute of Tropical  
XU Rong Yunnan Institute of Tropical  
FU Jiarong Yunnan Institute of Tropical  
ZOU Jianyun* Yunnan Institute of Tropical zoujianyunbn@sina.com 
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Abstract:
      The seasonal dry rubber content of natural rubber latex of five rubber tree strains and the physicochemical characters，storage properties，vulcanization characteristics and physical properties of natural rubber（NR） were studied.The results showed that，the dry rubber content of natural rubber latex of five rubber tree strains changed significantly with seasons，among which the average dry rubber content of GT1 latex was the largest，and the dry rubber content fluctuated the least with seasons.The storage performances of Yunyan 77-4 and Yunyan 77-2 NR were better，the t90of GT1 NR was the shortest，the t90 of RRIM600 and Yunyan 77-4 NR was longer，and the physical properties of GT1 and PRI107 NR were better.
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