Extensive stretch of polysiloxane network chains with random- and super-coiled conformations
書誌事項
- 公開日
- 1998-04
- 権利情報
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- http://www.springer.com/tdm
- DOI
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- 10.1007/s100510050227
- 公開者
- Springer Science and Business Media LLC
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説明
The stress-elongation $$(\lambda )$$ relations at large deformations for the polymer network chains with randomcoiled and supercoiled conformations are investigated using the polysiloxane networks with high elongations at break far over 10. Supercoil is the conformation of network chains in deswollen polymer networks which are made by removing solvent from the networks crosslinked in solutions at low polymer concentrations. The validity of the scaling concept of Pincus blob for the mechanical response of a polymer chain is experimentally confirmed for the network composed of randomcoiled chains. The analysis of the stress-λ relations for the deswollen networks comprised of supercoiled chains on the basis of the Pincus blob concept suggests that supercoil is a much more contracted conformation relative to randomcoil.
収録刊行物
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- The European Physical Journal B
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The European Physical Journal B 2 (1), 75-78, 1998-04
Springer Science and Business Media LLC
