Effect of NBR partitioning agent on the mechanical properties of PVC/NBR blends and investigation of phase morphology by atomic force microscopy

Poly(vinyl chloride) (PVC)/acrylonitrile–butadiene rubber (NBR) blends with different types of partitioning agent were obtained through melt blending. The samples were characterized according to the viscosities properties, torque rheometry and mechanical resistance as tensile testing, tear strength,...

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Bibliographic Details
Published in:Polymer bulletin (Berlin, Germany) Germany), 2009-12, Vol.63 (6), p.865-881
Main Authors: Gheno, Simoni Maria, Passador, F. R., Pessan, L. A.
Format: Article
Language:English
Subjects:
Applied sciences
Atomic force microscopy
Calcium carbonate
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Complex Fluids and Microfluidics
Exact sciences and technology
Heat resistance
Impact strength
Investigations
Mechanical properties
Melt blending
Microscopy
Modulus of elasticity
Morphology
Nitrile rubber
Organic Chemistry
Partitioning
Physical Chemistry
Physical properties
Polymer blends
Polymer industry, paints, wood
Polymer Sciences
Polyvinyl chloride
Properties and testing
Rubber
Soft and Granular Matter
Tear strength
Technology of polymers
Tensile stress
Tensile tests
Viscoelasticity
Viscosity
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Summary:Poly(vinyl chloride) (PVC)/acrylonitrile–butadiene rubber (NBR) blends with different types of partitioning agent were obtained through melt blending. The samples were characterized according to the viscosities properties, torque rheometry and mechanical resistance as tensile testing, tear strength, and hardness. The morphology and phase imaging were studied using an atomic force microscopy operating in tapping mode (TMAFM). It was observed that the PVC/NBR blends with PVC as partitioning agent showed an increase in the tensile stress and Young’s modulus compared to the PVC/NBR blends with calcium carbonate as partitioning agent. The morphology of the blends examined by TMAFM evidenced the effect of the partitioning agent as obtained with other techniques.
ISSN:0170-0839
1436-2449
DOI:10.1007/s00289-009-0130-3