会议论文详细信息
Baltic Polymer Symposium 2015
Poly(vinyl alcohol) - poly(vinyl acetate) composite films from water systems: formation, strength-deformation characteristics, fracture
材料科学;化学
Geisari, N.^1 ; Kalnins, M.^1
Riga Technical University, Faculty of Material Science and Applied Chemistry, Institute of Polymer Materials, P. Valdena Street 3, Riga
LV-1048, Latvia^1
关键词: High viscosities;    Poly (vinyl alcohol) (PVA);    Poly(vinyl acetate) (PVAc);    Self-consistency;    Starting systems;    Strength-deformation characteristics;    Tensile deformation;    Water suspensions;   
Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/111/1/012009/pdf
DOI  :  10.1088/1757-899X/111/1/012009
学科分类:材料科学(综合)
来源: IOP
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【 摘 要 】

The object of investigation was thin (PVAcwere studied. Kinetic relationships of several parameters which characterize film formation in drying process were compared and scrutinized. It revealed that the main factor which restrains coalescence of PVAc particles in the composite is high viscosity of PVA water solution at the final stage of composite structure formation. In tensile deformation conditions PVA/PVAc systems behave as being PVA matrix composites in a whole range of PVAc content. Use of Kerner approach, based on the self-consistency idea, for the analysis of ECOMP(φPVAc) relation, confirms the continuity of PVA matrix.

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