Cationic copolymerization of 1,3-pentadiene with α-pinene

被引:1
作者
Li, Ai-Yuan [1 ]
Sun, Xiang-Dong [1 ]
Zhang, Hui-Bo [1 ]
Zhang, Yong-Chun [1 ]
Wang, Bin [2 ]
Shi, Li-Qin [1 ]
机构
[1] Ningbo Polytech Coll, Dept Appl Chem Engn, Ningbo 315800, Zhejiang, Peoples R China
[2] Ningbo Yonghua Resin Co Ltd, Ningbo 315023, Zhejiang, Peoples R China
关键词
1,3-pentadiene; alpha-pinene; cationic copolymerization; reactivity ratio; REACTIVITY RATIOS; POLYMERIZATION; CIS-1,3-PENTADIENE; ISOBUTYLENE;
D O I
10.1515/polyeng-2014-0062
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The cationic copolymerization of 1,3-pentadiene (PD) with alpha-pinene (AP) initiated by aluminum trichloride (AlCl3) was carried out in N-pentane solvent. The effects of the polymerization temperature and the comonomer composition on the yield of the copolymer, softening point, Gardner color scale and number-average molecular weight (Mn) are discussed. The performance of the copolymer was better than that of AP homopolymer (PAP) and PD homopolymer (PPD). The structure of the copolymer was characterized by Fourier transform infrared spectroscopy (FT-IR), H-1-nuclear magnetic resonance - (H-1-NMR), C-13-NMR, differential scanning calorimetry (DSC) and gel permeation chromatography (GPC). In addition, the reactivity ratios for AP (M1) and PD (M2) determined by the Kelen-Tudos method from low-conversion data are r1=0.58 and r2=5.92, respectively.
引用
收藏
页码:583 / 589
页数:7
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