THERMAL PROPERTY AND MICROSTRUCTURES OF POLY(VAC-B-MA) AND PVAC-B-POLY(MA-CO-MMA)BLOCK COPOLYMERS AND TERPOLYMERS

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

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Journal: Iranian Journal of Polymer Science and Technology Year:2009 | Volume:22 | Issue:3 (ISSUE NO. 101) Page(s): 197-207

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Information Journal Paper

Title

THERMAL PROPERTY AND MICROSTRUCTURES OF POLY(VAC-B-MA) AND PVAC-B-POLY(MA-CO-MMA)BLOCK COPOLYMERS AND TERPOLYMERS

Author(s)

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

Keywords

ATOM TRANSFER RADICAL POLYMERIZATIONQ3

MICROSTRUDUREQ2

DIFFERENTIAL SCANNING CALORIMETER BLOCK COPOLYMERQ3

BLOK TERPOLYMERQ3

Abstract

The microstructure and thennal properties of the synthesized block copolymers and terpolymers via ATOM TRANSFER RADICAL POLYMERIZATION (ATRP) were studied. The mole fraction of the blocks and chain length of the PVAc-b-PMA block copolymers were estimated with IH NMR spectroscopy. Differential scanning calorimety measurement shows two different transitions at 36°C and 8°C assigned to PVAc and PMA blocks. Thennogravimetric analysis demonstrated the similar thennal degradation behavior of the block copolymers and a three-step degradation around 238, 295 and 345°C were attributed to dechlorination step and decomposition of the PVAc and PMA blocks. Study of thennal properties of PVAc-b-Poly(MA-co-MMA) copolymers indicated that glass transition temperature of second block increased from 49°C to 91°C with increase in MMA mole fraction from 0.358 to 0.733. The losses in the thennal degradation of block terpolymers were similar, and the higher thennal degredation temperature of MA unit has delayed the thennal degredation temperature of MMA in copolymer.

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APA: Copy

SEMSARZADEH, M.A., & ROSTAMI DARONKOLA, M.R.. (2009). THERMAL PROPERTY AND MICROSTRUCTURES OF POLY(VAC-B-MA) AND PVAC-B-POLY(MA-CO-MMA)BLOCK COPOLYMERS AND TERPOLYMERS. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), 22(3 (ISSUE NO. 101)), 197-207. SID. https://sid.ir/paper/6326/en

Vancouver: Copy

SEMSARZADEH M.A., ROSTAMI DARONKOLA M.R.. THERMAL PROPERTY AND MICROSTRUCTURES OF POLY(VAC-B-MA) AND PVAC-B-POLY(MA-CO-MMA)BLOCK COPOLYMERS AND TERPOLYMERS. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN)[Internet]. 2009;22(3 (ISSUE NO. 101)):197-207. Available from: https://sid.ir/paper/6326/en

IEEE: Copy

M.A. SEMSARZADEH, and M.R. ROSTAMI DARONKOLA, “THERMAL PROPERTY AND MICROSTRUCTURES OF POLY(VAC-B-MA) AND PVAC-B-POLY(MA-CO-MMA)BLOCK COPOLYMERS AND TERPOLYMERS,” IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), vol. 22, no. 3 (ISSUE NO. 101), pp. 197–207, 2009, [Online]. Available: https://sid.ir/paper/6326/en

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