Critical Exponents for Off-Lattice Gelation of Polymer Chains

Liang-Yuan Shy; Y. K. Leung; B. E. Eichinger

doi:10.1021/ma00147a029

Critical Exponents for Off-Lattice Gelation of Polymer Chains

Liang-Yuan Shy, Y. K. Leung, B. E. Eichinger

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

48 Citations (Scopus)

Abstract

The random polycondensation of telechelic linear chains cured with tri- and tetrafunctional cross-linkers has been simulated. Calculations are done for both bulk and solution reactions; critical points are located by different methods, with results in good agreement with experiment. Critical exponents 0 and 7 vary from system to system, with average values 0 = 0.300 ± 0.024 and γ=1.77±0.16. The average value C_/C+ = 13.58 ± 3.50 is slightly larger than that from standard percolation.

Original language	English
Pages (from-to)	983-986
Number of pages	4
Journal	Macromolecules
Volume	18
Issue number	5
DOIs	https://doi.org/10.1021/ma00147a029
Publication status	Published - 1985 Jan 1

All Science Journal Classification (ASJC) codes

Organic Chemistry
Polymers and Plastics
Inorganic Chemistry
Materials Chemistry

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abstract = "The random polycondensation of telechelic linear chains cured with tri- and tetrafunctional cross-linkers has been simulated. Calculations are done for both bulk and solution reactions; critical points are located by different methods, with results in good agreement with experiment. Critical exponents 0 and 7 vary from system to system, with average values 0 = 0.300 ± 0.024 and γ=1.77±0.16. The average value C_/C+ = 13.58 ± 3.50 is slightly larger than that from standard percolation.",

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N2 - The random polycondensation of telechelic linear chains cured with tri- and tetrafunctional cross-linkers has been simulated. Calculations are done for both bulk and solution reactions; critical points are located by different methods, with results in good agreement with experiment. Critical exponents 0 and 7 vary from system to system, with average values 0 = 0.300 ± 0.024 and γ=1.77±0.16. The average value C_/C+ = 13.58 ± 3.50 is slightly larger than that from standard percolation.

AB - The random polycondensation of telechelic linear chains cured with tri- and tetrafunctional cross-linkers has been simulated. Calculations are done for both bulk and solution reactions; critical points are located by different methods, with results in good agreement with experiment. Critical exponents 0 and 7 vary from system to system, with average values 0 = 0.300 ± 0.024 and γ=1.77±0.16. The average value C_/C+ = 13.58 ± 3.50 is slightly larger than that from standard percolation.

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