SYNTHESIS OF BLOCK AND GRAFT COPOLYMERS OF β-PINENE

LU Jiang; LIANG Hui; LI Baoen

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SYNTHESIS OF BLOCK AND GRAFT COPOLYMERS OF β-PINENE

Research Article | 更新时间：2021-03-19

- SYNTHESIS OF BLOCK AND GRAFT COPOLYMERS OF β-PINENE
- Acta Polymerica Sinica Issue 6, Pages: 755-759(2001)
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- Published：20 December 2001，
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LU Jiang, LIANG Hui, LI Baoen. SYNTHESIS OF BLOCK AND GRAFT COPOLYMERS OF β-PINENE. [J]. Acta Polymerica Sinica (6):755-759(2001)
DOI：

LU Jiang, LIANG Hui, LI Baoen. SYNTHESIS OF BLOCK AND GRAFT COPOLYMERS OF β-PINENE. [J]. Acta Polymerica Sinica (6):755-759(2001) DOI：

摘要

分别使用苯乙烯-HCl加成物(a)和2-氯乙基乙烯基醚-HCl加成物(b)作为引发剂

TiCl4/Ti(OiPr)4(3∶1mol/mol)为活化剂

在nBu4NCl存在下

- 40℃、CH2Cl2 中

通过顺序活性阳离子聚合

合成了 β 蒎烯与苯乙烯、对甲基苯乙烯的嵌段共聚物.又用带丙烯酰氧功能基的引发剂c[CH3CH(OCH2CH2X)Cl

X =OCOC(CH3)CH2]引发 β 蒎烯活性阳离子聚合

合成了β 蒎烯大分子单体 .该大分子单体在AIBN引发下与甲基丙烯酸甲酯进行自由基共聚

获得主链为聚甲基丙烯酸甲酯、侧链为聚 β 蒎烯的接枝共聚物.

Abstract

Block copolymers of β-pinene with styrene (St) and p-methylstyrene (pMeSt) were prepared by sequential living cationic polymerization initiated with HCl-adducts of styrene(a) and 2-chloroethyl vinyl ether(b) respectively

in the presence of TiCl4/Ti(OiPr)4(at 3:1 mole ratio) and nBu4NCl in CH2Cl2 at -40℃．β-pinene macromonomer with methacryloxy group at the α-end was also synthesized by the living cationic polymerization of β-pinene initiated with HCl adducts of vinyl ether (c

CH3CH- (OCH2CH2X)Cl

X=methacrylate)．The macromonomer was copolymerized with methyl methacrylate(MMA) in the presence of AIBN in toluene at 60℃ to give graft eopolymers carrying poly(β-pinene)as graft chain．

关键词

β蒎烯嵌段共聚物接枝共聚物

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Guangzhou Institute of Chemistry, Chinese Academy of Sciences

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