KINETICS OF POLYMERIZATION OF METHYL METHACRYLATE INITIATED BY COPPER POLYPROPYLENE-BASED POLYAMIDOXIME-SODIUM SULFITE SYSTEM*
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KINETICS OF POLYMERIZATION OF METHYL METHACRYLATE INITIATED BY COPPER POLYPROPYLENE-BASED POLYAMIDOXIME-SODIUM SULFITE SYSTEM*
KINETICS OF POLYMERIZATION OF METHYL METHACRYLATE INITIATED BY COPPER POLYPROPYLENE-BASED POLYAMIDOXIME-SODIUM SULFITE SYSTEM*
高分子科学(英文版)1992年10卷第3期 页码:270-275
Affiliations:
1. Guangzhou Institute of Chemistry, Academia Sinica,Guangzhou,510650
2. Academia Sinica
3. Guangzhou 510650
Author bio:
Funds:
DOI:
中图分类号:
纸质出版:1992-09-20
Accepted:
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[1]吴锦远,杨义光,杨超雄.KINETICS OF POLYMERIZATION OF METHYL METHACRYLATE INITIATED BY COPPER POLYPROPYLENE-BASED POLYAMIDOXIME-SODIUM SULFITE SYSTEM~*[J].Chinese Journal of Polymer Science,1992,{4}(03):270-275.
WU Jinyuan, YANG Yiguang, YANG Chaoxiong. KINETICS OF POLYMERIZATION OF METHYL METHACRYLATE INITIATED BY COPPER POLYPROPYLENE-BASED POLYAMIDOXIME-SODIUM SULFITE SYSTEM*[J]. 1992, 10(3): 270-275.
[1]吴锦远,杨义光,杨超雄.KINETICS OF POLYMERIZATION OF METHYL METHACRYLATE INITIATED BY COPPER POLYPROPYLENE-BASED POLYAMIDOXIME-SODIUM SULFITE SYSTEM~*[J].Chinese Journal of Polymer Science,1992,{4}(03):270-275.DOI:
WU Jinyuan, YANG Yiguang, YANG Chaoxiong. KINETICS OF POLYMERIZATION OF METHYL METHACRYLATE INITIATED BY COPPER POLYPROPYLENE-BASED POLYAMIDOXIME-SODIUM SULFITE SYSTEM*[J]. 1992, 10(3): 270-275.DOI:
KINETICS OF POLYMERIZATION OF METHYL METHACRYLATE INITIATED BY COPPER POLYPROPYLENE-BASED POLYAMIDOXIME-SODIUM SULFITE SYSTEM*
The aqueous polymerization of methyl methacrylate initiated by copper polypropylene-based polyamidoxime (PPAO-Cu) -sodium sulfite system was investigated. The overall rate of polymerization (R
p
) isR
p
=9.7 x 10
12
e
-21.200/RT
[MMA]
O.88
[Na
2
SO
3
]
0.50
The length of the induction period (τ) is inversely proportional to the concentration of sodium sultite and independent of the amount of polymer supported copper and the concentration of monomer. It could be expressed as follows:1/τ=1.2x10
12
e
-15.600/RT
[Na
2
SO
3
]=K
τ
R
i
The polymerization is initiated by a primary radical generated from the redox reaction rather than induced by "coordination-proton transfer" mechanism.
Abstract
The aqueous polymerization of methyl methacrylate initiated by copper polypropylene-based polyamidoxime (PPAO-Cu) -sodium sulfite system was investigated. The overall rate of polymerization (R
p
) isR
p
=9.7 x 10
12
e
-21.200/RT
[MMA]
O.88
[Na
2
SO
3
]
0.50
The length of the induction period (τ) is inversely proportional to the concentration of sodium sultite and independent of the amount of polymer supported copper and the concentration of monomer. It could be expressed as follows:1/τ =1.2x10
12
e
-15.600/RT
[Na
2
SO
3
]=K
τ
R
i
The polymerization is initiated by a primary radical generated from the redox reaction rather than induced by "coordination-proton transfer" mechanism.
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