Study of the rheological and compatibility behavior of sulfonated acrylamide copolymer/ wheat starch blends in aqueous media

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ostovari Abdolamir; AALAIE JAMAL; BAZGIR SAEED; Sepehri Sanam

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Journal: APPLIED RESEARCH IN CHEMICAL POLYMER ENGINEERING Year:2019 | Volume:3 | Issue:2 Page(s): 15-27

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Title

Study of the rheological and compatibility behavior of sulfonated acrylamide copolymer/ wheat starch blends in aqueous media

Author(s)

ostovari Abdolamir | AALAIE JAMAL | BAZGIR SAEED | Sepehri Sanam | Issue Writer Certificate

Keywords

Polymer blends acrylamide copolymer wheat starch rheology

Abstract

Research subject: In this study the scope of application of polymer materials in the preparation of drilling fluids is examined. Therefore, various blends of wheat starch and copolymer of sulfonated polyacrylamide were prepared and their rheological properties were investigated. Research approach: The rheology and compatibility behavior of samples under different salinity and aging conditions were evaluated. Main results: The rheological behavior of starch-polyacrylamide blends in tap water and saturated brine water showed that the viscosity of the samples increased with increasing concentration of polyacrylamide copolymer in the both media. However, starchpolyacrylamide blends in saturated brine had less viscosity than tap water. It was observed that in both tap water and saturated salt water conditions after 4 hours of aging at 90 ° C, the viscosity of most samples increased. Comparison of the curves for empirical viscosity data and prediction of the mixing rule showed that in both of tap water and saturated salt water, positive deviation from the mixing rule is observed, which indicates the compatibility between the blend components. By performing the aging process, although positive deviation was still observed, this positive deviation slightly decreased, which means the negative effect of aging on the compatibility of the starch-copolymer of sulfonated polyacrylamide blend. In conclusion, the results of this study showed that the blend of starch-sulfonated polyacrylamide copolymer is compatible at high temperature (90 ° C) and saturated NaCl salt water. Moreover, in some samples, this compatibility exists even after aging.

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APA: Copy

ostovari, Abdolamir, AALAIE, JAMAL, BAZGIR, SAEED, & Sepehri, Sanam. (2019). Study of the rheological and compatibility behavior of sulfonated acrylamide copolymer/ wheat starch blends in aqueous media. APPLIED RESEARCH IN CHEMICAL POLYMER ENGINEERING, 3(2), 15-27. SID. https://sid.ir/paper/267791/en

Vancouver: Copy

ostovari Abdolamir, AALAIE JAMAL, BAZGIR SAEED, Sepehri Sanam. Study of the rheological and compatibility behavior of sulfonated acrylamide copolymer/ wheat starch blends in aqueous media. APPLIED RESEARCH IN CHEMICAL POLYMER ENGINEERING[Internet]. 2019;3(2):15-27. Available from: https://sid.ir/paper/267791/en

IEEE: Copy

Abdolamir ostovari, JAMAL AALAIE, SAEED BAZGIR, and Sanam Sepehri, “Study of the rheological and compatibility behavior of sulfonated acrylamide copolymer/ wheat starch blends in aqueous media,” APPLIED RESEARCH IN CHEMICAL POLYMER ENGINEERING, vol. 3, no. 2, pp. 15–27, 2019, [Online]. Available: https://sid.ir/paper/267791/en

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