INVESTIGATION OF FACTORS AFFECTING SLURRY COPOLYMERIZATION OF ACRYLONITRILE VINYLACETATE FOR PREPARATION OF ACRYLIC FIBERS

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HAJIAN M.; TAVAKOLY T.; HOSSEPIAN M.; AZARNASAB M.

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Journal: Iranian Journal of Polymer Science and Technology Year:2001 | Volume:14 | Issue:1 (ISSUE NO.51) Page(s): 39-43

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Information Journal Paper

Title

INVESTIGATION OF FACTORS AFFECTING SLURRY COPOLYMERIZATION OF ACRYLONITRILE VINYLACETATE FOR PREPARATION OF ACRYLIC FIBERS

Author(s)

HAJIAN M. | TAVAKOLY T. | HOSSEPIAN M. | AZARNASAB M. | Issue Writer Certificate

Keywords

SLURRY COPOLYMERIZATIONQ4

ACRYLONITRILEQ4

VINYLACETATEQ3

METHYL METHACRYLATEQ3

ACRYLIC FIBERQ4

Abstract

Since 1978, ACRYLIC FIBERs have been prepared by slurry polymerization comprizing of about 94% ACRYLONITRILE (AN) and 6% METHYL METHACRYLATE (MA) as a comonomer to a make bulky polymer and improve the dyeability of ACRYLIC FIBERs in a continuous process by redox initiatior (potassium persulfate and ammonium, ferrous sulfate). The slurry polymer obtained after neutralization, washing and drying are converted to polymer powder. The polymer is dissolved in dimethyl formamide (DMF) and converted to ACRYLIC FIBERs. Since 1998, it has been suggested that MA may be replaced by vinyl acetate (VAc), because VAc has properties like MA and is a monomer produced by Arak Petrochemical CO. Therefore, in this project AN and VAc were polymerized under the same conditions of AN and MA copolymerization process. Many tests have been carried out on the resulted polymer such as IR, viscosity, particle size, whiteness of polymer powder and similar results were obtained as in the for former copolymer. In this work some important factors such as concentration of VAc, time and temperature of polymerization reaction and also speed of agitator have been optimized.

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APA: Copy

HAJIAN, M., TAVAKOLY, T., HOSSEPIAN, M., & AZARNASAB, M.. (2001). INVESTIGATION OF FACTORS AFFECTING SLURRY COPOLYMERIZATION OF ACRYLONITRILE VINYLACETATE FOR PREPARATION OF ACRYLIC FIBERS. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), 14(1 (ISSUE NO.51)), 39-43. SID. https://sid.ir/paper/6754/en

Vancouver: Copy

HAJIAN M., TAVAKOLY T., HOSSEPIAN M., AZARNASAB M.. INVESTIGATION OF FACTORS AFFECTING SLURRY COPOLYMERIZATION OF ACRYLONITRILE VINYLACETATE FOR PREPARATION OF ACRYLIC FIBERS. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN)[Internet]. 2001;14(1 (ISSUE NO.51)):39-43. Available from: https://sid.ir/paper/6754/en

IEEE: Copy

M. HAJIAN, T. TAVAKOLY, M. HOSSEPIAN, and M. AZARNASAB, “INVESTIGATION OF FACTORS AFFECTING SLURRY COPOLYMERIZATION OF ACRYLONITRILE VINYLACETATE FOR PREPARATION OF ACRYLIC FIBERS,” IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), vol. 14, no. 1 (ISSUE NO.51), pp. 39–43, 2001, [Online]. Available: https://sid.ir/paper/6754/en

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