INFLUENCE OF DIFFERENT SYNTHESIS PROCESSES ON THE RHEOLOGY OF PVAC-MMT-DOAB EXFOLIATED NANO-COMPOSITE

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CUI HUI WANG; DU GUAN BEN

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Journal: Iranian Polymer Journal Year:2013 | Volume:22 | Issue:3 Page(s): 165-173

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Title

INFLUENCE OF DIFFERENT SYNTHESIS PROCESSES ON THE RHEOLOGY OF PVAC-MMT-DOAB EXFOLIATED NANO-COMPOSITE

Author(s)

CUI HUI WANG | DU GUAN BEN | Issue Writer Certificate

Keywords

NANO-COMPOSITE

STRUCTURE

VISCOSITY

RHEOLOGY

Abstract

It is very helpful to guide design production and processing conditions for polymer-based inorganic or organic NANO-COMPOSITEs by investigating their RHEOLOGY. In this study, an intercalated NANO-COMPOSITE of montmorillonite (MMT)-dioctadecyl dimethyl ammonium bromide (DOAB) was added and reacted with vinyl acetate (VAc) to form the exfoliated NANO-COMPOSITE of polyvinyl acetate (PVAc)-MMT-DOAB through five different synthesis processes. The MMT-DOAB was exfoliated into nano-particles of layers or sheets and dispersed randomly in PVAc matrix. The different synthesis processes affected the dispersion and apparent VISCOSITY of PVAc and PVAc-MMT-DOAB. With the polymerization time shortening and the water decreasing, the dispersion got bad and the apparent VISCOSITY increased. PVAc and PVAc-MMT-DOAB were pseudo-plastic non-Newtonian fluids and both possessed the normal stress effect (Weissenberg effect) that is also called the pole-climbing phenomenon. By the help of the apparent VISCOSITY analyzed using the power-law function equation, Newtonian fluid flow equation and Cross-Williamson model viscous equation, the different synthesis processes and MMT–DOAB had a certain effect on the RHEOLOGY of PVAc and PVAc-MMT-DOAB. With the change of different synthesis processes and the increase of MMT-DOAB content in the synthesis system, the estimated molecular weight of PVAc–MMT–DOAB was also increased accordingly.

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APA: Copy

CUI, HUI WANG, & DU, GUAN BEN. (2013). INFLUENCE OF DIFFERENT SYNTHESIS PROCESSES ON THE RHEOLOGY OF PVAC-MMT-DOAB EXFOLIATED NANO-COMPOSITE. IRANIAN POLYMER JOURNAL (ENGLISH), 22(3), 165-173. SID. https://sid.ir/paper/641349/en

Vancouver: Copy

CUI HUI WANG, DU GUAN BEN. INFLUENCE OF DIFFERENT SYNTHESIS PROCESSES ON THE RHEOLOGY OF PVAC-MMT-DOAB EXFOLIATED NANO-COMPOSITE. IRANIAN POLYMER JOURNAL (ENGLISH)[Internet]. 2013;22(3):165-173. Available from: https://sid.ir/paper/641349/en

IEEE: Copy

HUI WANG CUI, and GUAN BEN DU, “INFLUENCE OF DIFFERENT SYNTHESIS PROCESSES ON THE RHEOLOGY OF PVAC-MMT-DOAB EXFOLIATED NANO-COMPOSITE,” IRANIAN POLYMER JOURNAL (ENGLISH), vol. 22, no. 3, pp. 165–173, 2013, [Online]. Available: https://sid.ir/paper/641349/en

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