NON-STEADY-STATE MODEL FOR KINETICS OF FREE-RADICAL POLYMERIZATION, .4. DIRECT THERMAL INITIATION

被引：0

作者：

YAN, DY ^{[1
]}

LIN, JM ^{[1
]}

YUAN, CM ^{[1
]}

机构：

[1] SHANGHAI JIAO TONG UNIV,DEPT APPL CHEM,SHANGHAI 200030,PEOPLES R CHINA

来源：

POLYMER INTERNATIONAL | 1992年 / 28卷 / 03期

关键词：

RADICAL POLYMERIZATION; THERMAL-INITIATION; KINETICS OF POLYMERIZATION; NON-STEADY-STATE MODEL; MOLECULAR WEIGHT DISTRIBUTION; MOLECULAR PARAMETERS;

D O I：

10.1002/pi.4990280302

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

This paper deals with the non-steady-state kinetics of direct thermal initiated polymerization. The initiation is assumed to be a bimolecular reaction of the monomer. The relationship between the radical concentration and the monomer conversion is rigorously derived. In further treatment a few very close approximations are introduced based on the fact that the number of monomer molecules reacting in the initiation step is much less than that consumed in the propagation step for a process producing high polymer, and the value of the rate constant for propagation or chain transfer is much lower than that for chain termination. Expressions for various molecular parameters, such as molecular weight distribution, number-average and weight-average degrees of polymerization, and dispersity, are given. Several numerical examples are provided.

引用

页码：183 / 188

页数：6

共 50 条

[31] KINETICS OF TELOMERIZATION .4. NEW METHOD TO DETERMINE TRANSFER CONSTANTS IN FREE-RADICAL CATALYSIS
BAUDUIN, G
BOUTEVIN, B
MISTRAL, JP
SARRAF, L
[J]. MAKROMOLEKULARE CHEMIE-MACROMOLECULAR CHEMISTRY AND PHYSICS, 1985, 186 (07): : 1445 - 1455
[32] A nonlinear compartmental model of Sr metabolism. I. Non-steady-state kinetics and model building
Staub, JF
Foos, E
Courtin, B
Jochemsen, R
Perault-Staub, AM
[J]. AMERICAN JOURNAL OF PHYSIOLOGY-REGULATORY INTEGRATIVE AND COMPARATIVE PHYSIOLOGY, 2003, 284 (03) : R819 - R834
[33] STEADY-STATE BEHAVIOR OF A CONTINUOUS STIRRED TANK REACTOR FOR STYRENE POLYMERIZATION WITH BIFUNCTIONAL FREE-RADICAL INITIATORS
KIM, KJ
CHOI, KY
[J]. CHEMICAL ENGINEERING SCIENCE, 1988, 43 (04) : 965 - 977
[34] Application of non-steady-state kinetics to resolve the kinetics of proton-transfer reactions between methylarene radical cations and pyridine bases
Parker, VD
Zhao, YX
Lu, Y
Zheng, G
[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1998, 120 (49) : 12720 - 12727
[35] KINETICS OF FREE-RADICAL PSEUDOSTATIONARY POLYMERIZATION .2. A SPECIAL CASE - INITIATION BY INTERMITTENT ADDITION OF A RAPIDLY DECOMPOSING INITIATOR
OLAJ, OF
SCHNOLLBITAI, I
[J]. MAKROMOLEKULARE CHEMIE-RAPID COMMUNICATIONS, 1991, 12 (06): : 373 - 380
[36] THEORY OF NON-STEADY-STATE INTERFACIAL THERMAL CURRENTS IN MOS DEVICES, AND DIRECT DETERMINATION OF INTERFACIAL TRAP PARAMETERS
SIMMONS, JG
TAYLOR, GW
[J]. SOLID-STATE ELECTRONICS, 1974, 17 (02) : 125 - 130
[37] Simulation of non-linear free-radical polymerization using a percolation kinetic gelation model
Ghiass, M
Rey, AD
Dabir, B
[J]. MACROMOLECULAR THEORY AND SIMULATIONS, 2001, 10 (07) : 657 - 667
[38] Non-steady-state kinetics of the reactions of electrode generated intermediates. Resolution of the kinetics of proton transfer reactions of methylarene radical cations.
Parker, VD
Zhao, YX
Lu, Y
[J]. REACTIVE INTERMEDIATES IN ORGANIC AND BIOLOGICAL ELECTROCHEMISTRY, 2001, 2001 (14): : 1 - 4
[39] THE PARABOLIC TRANSITION-STATE MODEL AND RESULTANT NONLINEAR CORRELATIONS FOR THE KINETICS OF FREE-RADICAL REACTIONS
DENISOV, ET
[J]. MENDELEEV COMMUNICATIONS, 1992, (01) : 1 - 2
[40] ORGANIC PEROXIDES .4. KINETICS AND PRODUCTS OF DECOMPOSITIONS OF CYCLOHEXANEFORMYL AND ISOBUTYRYL PEROXIDES . BDPA AS A FREE-RADICAL SCAVENGER
LAMB, RC
PACIFICI, JG
AYERS, PW
[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1965, 87 (17) : 3928 - &

← 1 2 3 4 5 →