Relaxation properties of plasticised poly(vinyl chloride) and PVC blends | Zendy

Suvorova A.I. | Zendy

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Relaxation properties of plasticised poly(vinyl chloride) and PVC blends

Author(s) -

Suvorova A.I.

Publication year - 1989

Publication title -

makromolekulare chemie. macromolecular symposia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.257

H-Index - 76

eISSN - 1521-3900

pISSN - 0258-0322

DOI - 10.1002/masy.19890290124

Subject(s) - miscibility , plasticizer , polyvinyl chloride , vinyl chloride , relaxation (psychology) , materials science , polymer chemistry , cloud point , dielectric , chemical engineering , composite material , polymer , copolymer , psychology , social psychology , optoelectronics , engineering , pulmonary surfactant

The temperature‐frequency dependence of dielectric parameters for several PVC‐plasticizer systems and PVC blends was obtained. Kinetic and activation parameters and α‐relaxation spectra were estimated. The increase of the polar group number and size in the plasticizer molecules results in the narrowing of the relaxation spectra and in the increase of inner mobility of PVC segments. It was found for PVC‐ABS and PVC‐Paraloid blends that all relaxation characteristics depend on the miscibility of components. The results were also confirmed by the cloud point data.

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