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Citation: Liu Zhenhai, Ni Shaoru, Liu Shumin, Chen Zhongqing, Tang Xueming. THERMAL ANALYSIS OF POLY DIENES Ⅱ. A STUDY ON THERMO-OXIDATION OF THE RANDOM POLYBUTADIENES WITH DIFFERENT CONTENTS OF 1,2-UNITS[J]. Chinese Journal of Applied Chemistry, ;1985, 2(2): 39-42. shu

THERMAL ANALYSIS OF POLY DIENES Ⅱ. A STUDY ON THERMO-OXIDATION OF THE RANDOM POLYBUTADIENES WITH DIFFERENT CONTENTS OF 1,2-UNITS

1.
Changchun Institute of Applied Chemistry, Academia Sinica

Received Date: 22 March 1984
Available Online: 28 August 1984

The study on thermo-oxidation behavior of polybutadienes with different contents of 1,2-units shows that the thermo-oxidation reaction takes place more easily at the doble bond in the main chain than in the side vinyl group of polybutadiene,as being attributed to having more α-H's in the former case. Based on the thermo-oxidation temperature and apparent activation energy E, it has been concluded that the syndiotactic 1,2-poly-butadiene with high vinyl content synthesized on the cobolt catalyst system is more stable than that obtained with molybdenum catalyst system. The E of the former is more than 150kJ/mol, but -100kJ/mol for the latter. The variation is considered due to the difference in macromolecular aggregatoin.
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THERMAL ANALYSIS OF POLY DIENES Ⅱ. A STUDY ON THERMO-OXIDATION OF THE RANDOM POLYBUTADIENES WITH DIFFERENT CONTENTS OF 1,2-UNITS

南开大学师唯/华北电力大学（保定）刘景维：二维配位聚合物中有序的亲锂冠醚位点用于无枝晶锂沉积

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通讯作者: 陈斌, bchen63@163.com