HETEROCYCLIC YLIDE-INITIATED POLYMERIZATION OF METHYL ACRYLATE

被引：10

作者：

SAINI, S ^{[1
]}

SHUKLA, AK ^{[1
]}

KUMAR, P ^{[1
]}

SRIVASTAVA, AK ^{[1
]}

机构：

[1] HARCOURT BUTLER TECHNOL INST,DEPT CHEM,KANPUR 208002,UTTAR PRADESH,INDIA

来源：

JOURNAL OF MACROMOLECULAR SCIENCE-CHEMISTRY | 1986年 / A23卷 / 09期

关键词：

MONOMERS; -; Polymerization; SOLVENTS;

D O I：

10.1080/00222338608081116

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

beta -Picolinium-p-chlorophenacylide initiates radical polymerization of methyl acrylate (MA) up to 19. 5% conversion without gelation due to autoacceleration. The average rate of polymerization (R//p) increases as left bracket ylide right bracket is raised from 1. 02 to 3. 06 mmol/L, the order of reaction being 0. 5 plus or minus 0. 02. However, at higher concentrations ( greater than 3. 06 mmol/L), R//p decreases. The monomer exponent is 1. 40 when benzene is used as diluent. The overall energy of activation is computed to be 28. 8 kJ/mol. A polar solvent like dimethylsulfoxide and a radical scavenger like hydroquinone retard the reaction.

引用

页码：1107 / 1116

页数：10

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