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Transport in Oriented Bottles Made from Polyester Resin by Naresh Swaroop; Gerald A. Gordon is a Materials Science article available to read on EtoBox.

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## Abstract Oxygen permeation has been measured in flat sheet as a function of degree of orientation, and oxygen and water transport have been measured in oriented polyester bottles. O~2~ permeability in flat sheets decreases gradually with orientation on either side of an abrupt decrease by about a factor of 2 after moderate orientation. The bottles tested were all more highly oriented than that critical decree; no significant effect of orientation on water or O~2~ transport in bottles could be found. Only container intrinsic viscosity (IV) (which is determined by molecular weight, and is therefore a convenient measure of polymer degradation) was significantly related to the transport properties of the bottles. It was found that O~2~ transport is increased with increasing IV while H~2~O transport decreased. The explanation for these seemingly contradictory data can be found in the chemistry of degradation of the polyester.

Who reads Transport in Oriented Bottles Made from Polyester Resin?

Author

Naresh Swaroop; Gerald A. Gordon

Publisher

Society for Plastic Engineers; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0032-3888)

Published

1980

Language

EN

Field

Materials Science (Physical Sciences)