Rubber elasticity. June 15, 1981-June 14, 1981. [Polydimethylsiloxane]

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Progress on the following three projects are described: swelling of elastomers by diluents; theoretical analysis of the dynamics and thermodynamics of random networks; and synthesis of elastomers with metal-chelate crosslinkages. Five elastomer-solvent systems were investigated. In all cases polydimethylsiloxane was used with either cyclohexane or benzene or both. The comparison established the general validity of Flory's new constrained junction theory. However a slight revision of the theory was required. Theoretical work on amorphorus systems centered on evaluation of the density states for models (constructed by others) of amorphorus silicon, As/sub 2/O/sub 3/, etc. The utility of these models are being ... continued below

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Pages: 8

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Eichinger, B.E. January 1, 1981.

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Description

Progress on the following three projects are described: swelling of elastomers by diluents; theoretical analysis of the dynamics and thermodynamics of random networks; and synthesis of elastomers with metal-chelate crosslinkages. Five elastomer-solvent systems were investigated. In all cases polydimethylsiloxane was used with either cyclohexane or benzene or both. The comparison established the general validity of Flory's new constrained junction theory. However a slight revision of the theory was required. Theoretical work on amorphorus systems centered on evaluation of the density states for models (constructed by others) of amorphorus silicon, As/sub 2/O/sub 3/, etc. The utility of these models are being assessed. A batch of styrene-isoprene elastomer was prepared and is undergoing stress-strain measurements.

Physical Description

Pages: 8

Notes

NTIS, PC A02/MF A01.

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  • Other: DE82011220
  • Report No.: DOE/ER/10912-1
  • Grant Number: AT06-81ER10912
  • DOI: 10.2172/5594665 | External Link
  • Office of Scientific & Technical Information Report Number: 5594665
  • Archival Resource Key: ark:/67531/metadc1093902

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • January 1, 1981

Added to The UNT Digital Library

  • Feb. 10, 2018, 10:06 p.m.

Description Last Updated

  • April 9, 2018, 1:13 p.m.

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Eichinger, B.E. Rubber elasticity. June 15, 1981-June 14, 1981. [Polydimethylsiloxane], report, January 1, 1981; United States. (digital.library.unt.edu/ark:/67531/metadc1093902/: accessed October 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.