ATOM TRANSFER RADICAL POLYMERIZATION OF METHYL ACRYLATE WITH PVAC-CCL3 MACROINITIATOR AND A NOVEL SYNTHESIS OF BLOCK TERPOLYMERS OF PVA C-B-POLY (MA-CO-MMA)

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SEMSARZADEH M.A.; ROSTAMI DARONKOLA M.R.

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Journal: Iranian Polymer Journal Year:2006 | Volume:15 | Issue:10 (76) Page(s): 829-839

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Title

ATOM TRANSFER RADICAL POLYMERIZATION OF METHYL ACRYLATE WITH PVAC-CCL3 MACROINITIATOR AND A NOVEL SYNTHESIS OF BLOCK TERPOLYMERS OF PVA C-B-POLY (MA-CO-MMA)

Author(s)

SEMSARZADEH M.A. | ROSTAMI DARONKOLA M.R. | Issue Writer Certificate

Keywords

ATOM TRANSFER RADICAL POLYMERIZATION

METHYL ACRYLATE

MACROINITIATOR

CHEMICAL SELECTIVE ATRP

TERPOLYMER

Abstract

The ATOM TRANSFER RADICAL POLYMERIZATION of METHYL ACRYLATE (MA) with poly vinylacetate telomer (PVAc-CCl3) as a MACROINITIATOR and CuCl/N,N,N',N',N''- pentamethyldiethylenetriamine (PMDETA) as a catalyst was successfully carried out in the bulk. The reaction temperature had a direct effect on the conversion and apparent propagation rate constant (Kpapp) of MA polymerization reaction. In this study the apparent enthalpy of activation and enthalpy of equilibrium are 83.68 and 65.98 kJ/mol, respectively. for this polymerization reaction. In a similar polymerization system, PVAc-CCl3 MACROINITIATORs were used with several molecular weights, it was found that the rate of polymerization was independent of molecular weight of the MACROINITIATOR, but the percentage of telomer used had a direct effect on the Kpapp of this polymerization. In all reactions studied the first order kinetics showed a linear dependence, indicating a constant number of propagating species during the polymerization. Kelen-Tüdös and Fineman-Ross linear methods were used to determine monomers chemical reactivity of METHYL ACRYLATE and methyl methacrylate in ATOM TRANSFER RADICAL POLYMERIZATION. The synthesized block copolymers showed a relatively narrow molecular weight distribution (1.1<PDI<1.3) specific of the controlled polymerization reactions of ATRP. A broadening trend of PDI in block copolymers was observed with polymerization temperature. This work shows that it is possible to synthesis the novel block TERPOLYMERs of PVA c-b-poly (MA-co-MMA) with further narrowing in PDI which is shows that there is a chemical selectivity within the mechanism of ATRP.

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APA: Copy

SEMSARZADEH, M.A., & ROSTAMI DARONKOLA, M.R.. (2006). ATOM TRANSFER RADICAL POLYMERIZATION OF METHYL ACRYLATE WITH PVAC-CCL3 MACROINITIATOR AND A NOVEL SYNTHESIS OF BLOCK TERPOLYMERS OF PVA C-B-POLY (MA-CO-MMA). IRANIAN POLYMER JOURNAL (ENGLISH), 15(10 (76)), 829-839. SID. https://sid.ir/paper/530781/en

Vancouver: Copy

SEMSARZADEH M.A., ROSTAMI DARONKOLA M.R.. ATOM TRANSFER RADICAL POLYMERIZATION OF METHYL ACRYLATE WITH PVAC-CCL3 MACROINITIATOR AND A NOVEL SYNTHESIS OF BLOCK TERPOLYMERS OF PVA C-B-POLY (MA-CO-MMA). IRANIAN POLYMER JOURNAL (ENGLISH)[Internet]. 2006;15(10 (76)):829-839. Available from: https://sid.ir/paper/530781/en

IEEE: Copy

M.A. SEMSARZADEH, and M.R. ROSTAMI DARONKOLA, “ATOM TRANSFER RADICAL POLYMERIZATION OF METHYL ACRYLATE WITH PVAC-CCL3 MACROINITIATOR AND A NOVEL SYNTHESIS OF BLOCK TERPOLYMERS OF PVA C-B-POLY (MA-CO-MMA),” IRANIAN POLYMER JOURNAL (ENGLISH), vol. 15, no. 10 (76), pp. 829–839, 2006, [Online]. Available: https://sid.ir/paper/530781/en

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